dnl*************************************************************************** dnl Copyright 2018-2020,2021 Thomas E. Dickey * dnl Copyright 2010-2017,2018 Free Software Foundation, Inc. * dnl * dnl Permission is hereby granted, free of charge, to any person obtaining a * dnl copy of this software and associated documentation files (the * dnl "Software"), to deal in the Software without restriction, including * dnl without limitation the rights to use, copy, modify, merge, publish, * dnl distribute, distribute with modifications, sublicense, and/or sell * dnl copies of the Software, and to permit persons to whom the Software is * dnl furnished to do so, subject to the following conditions: * dnl * dnl The above copyright notice and this permission notice shall be included * dnl in all copies or substantial portions of the Software. * dnl * dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * dnl IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * dnl DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * dnl OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * dnl THE USE OR OTHER DEALINGS IN THE SOFTWARE. * dnl * dnl Except as contained in this notice, the name(s) of the above copyright * dnl holders shall not be used in advertising or otherwise to promote the * dnl sale, use or other dealings in this Software without prior written * dnl authorization. * dnl*************************************************************************** dnl dnl Author: Thomas E. Dickey dnl dnl $Id: aclocal.m4,v 1.183 2021/09/05 21:33:34 tom Exp $ dnl Macros used in NCURSES Ada95 auto-configuration script. dnl dnl These macros are maintained separately from NCURSES. The copyright on dnl this file applies to the aggregation of macros and does not affect use of dnl these macros in other applications. dnl dnl See these pages for additional information: dnl https://invisible-island.net/autoconf/ dnl https://invisible-island.net/autoconf/my-autoconf.html dnl dnl --------------------------------------------------------------------------- dnl --------------------------------------------------------------------------- dnl CF_ACVERSION_CHECK version: 5 updated: 2014/06/04 19:11:49 dnl ------------------ dnl Conditionally generate script according to whether we're using a given autoconf. dnl dnl $1 = version to compare against dnl $2 = code to use if AC_ACVERSION is at least as high as $1. dnl $3 = code to use if AC_ACVERSION is older than $1. define([CF_ACVERSION_CHECK], [ ifdef([AC_ACVERSION], ,[ifdef([AC_AUTOCONF_VERSION],[m4_copy([AC_AUTOCONF_VERSION],[AC_ACVERSION])],[m4_copy([m4_PACKAGE_VERSION],[AC_ACVERSION])])])dnl ifdef([m4_version_compare], [m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])], [CF_ACVERSION_COMPARE( AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])), AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl dnl --------------------------------------------------------------------------- dnl CF_ACVERSION_COMPARE version: 3 updated: 2012/10/03 18:39:53 dnl -------------------- dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1, dnl MAJOR2, MINOR2, TERNARY2, dnl PRINTABLE2, not FOUND, FOUND) define([CF_ACVERSION_COMPARE], [ifelse(builtin([eval], [$2 < $5]), 1, [ifelse([$8], , ,[$8])], [ifelse([$9], , ,[$9])])])dnl dnl --------------------------------------------------------------------------- dnl CF_ADA_INCLUDE_DIRS version: 8 updated: 2013/10/14 04:24:07 dnl ------------------- dnl Construct the list of include-options for the C programs in the Ada95 dnl binding. AC_DEFUN([CF_ADA_INCLUDE_DIRS], [ ACPPFLAGS="-I. -I../include -I../../include $ACPPFLAGS" if test "$srcdir" != "."; then ACPPFLAGS="-I\${srcdir}/../../include $ACPPFLAGS" fi if test "$GCC" != yes; then ACPPFLAGS="$ACPPFLAGS -I\${includedir}" elif test "$includedir" != "/usr/include"; then if test "$includedir" = '${prefix}/include' ; then if test x$prefix != x/usr ; then ACPPFLAGS="$ACPPFLAGS -I\${includedir}" fi else ACPPFLAGS="$ACPPFLAGS -I\${includedir}" fi fi AC_SUBST(ACPPFLAGS) ])dnl dnl --------------------------------------------------------------------------- dnl CF_ADD_ADAFLAGS version: 1 updated: 2010/06/19 15:22:18 dnl --------------- dnl Add to $ADAFLAGS, which is substituted into makefile and scripts. AC_DEFUN([CF_ADD_ADAFLAGS],[ ADAFLAGS="$ADAFLAGS $1" AC_SUBST(ADAFLAGS) ])dnl dnl --------------------------------------------------------------------------- dnl CF_ADD_CFLAGS version: 15 updated: 2020/12/31 10:54:15 dnl ------------- dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS dnl $1 = flags to add dnl $2 = if given makes this macro verbose. dnl dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS, dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily dnl confused by the quotes (which require backslashes to keep them usable). AC_DEFUN([CF_ADD_CFLAGS], [ cf_fix_cppflags=no cf_new_cflags= cf_new_cppflags= cf_new_extra_cppflags= for cf_add_cflags in $1 do case "$cf_fix_cppflags" in (no) case "$cf_add_cflags" in (-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C) case "$cf_add_cflags" in (-D*) cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'` test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \ && test -z "${cf_tst_cflags}" \ && cf_fix_cppflags=yes if test "$cf_fix_cppflags" = yes ; then CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags) continue elif test "${cf_tst_cflags}" = "\"'" ; then CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags) continue fi ;; esac case "$CPPFLAGS" in (*$cf_add_cflags) ;; (*) case "$cf_add_cflags" in (-D*) cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'` CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags) ;; esac CF_APPEND_TEXT(cf_new_cppflags,$cf_add_cflags) ;; esac ;; (*) CF_APPEND_TEXT(cf_new_cflags,$cf_add_cflags) ;; esac ;; (yes) CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags) cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[[^"]]*"'\''//'` test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \ && test -z "${cf_tst_cflags}" \ && cf_fix_cppflags=no ;; esac done if test -n "$cf_new_cflags" ; then ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)]) CF_APPEND_TEXT(CFLAGS,$cf_new_cflags) fi if test -n "$cf_new_cppflags" ; then ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)]) CF_APPEND_TEXT(CPPFLAGS,$cf_new_cppflags) fi if test -n "$cf_new_extra_cppflags" ; then ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)]) CF_APPEND_TEXT(EXTRA_CPPFLAGS,$cf_new_extra_cppflags) fi AC_SUBST(EXTRA_CPPFLAGS) ])dnl dnl --------------------------------------------------------------------------- dnl CF_ADD_INCDIR version: 17 updated: 2021/09/04 06:35:04 dnl ------------- dnl Add an include-directory to $CPPFLAGS. Don't add /usr/include, since it is dnl redundant. We don't normally need to add -I/usr/local/include for gcc, dnl but old versions (and some misinstalled ones) need that. To make things dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to dnl the include-path). AC_DEFUN([CF_ADD_INCDIR], [ if test -n "$1" ; then for cf_add_incdir in $1 do while test "$cf_add_incdir" != /usr/include do if test -d "$cf_add_incdir" then cf_have_incdir=no if test -n "$CFLAGS$CPPFLAGS" ; then # a loop is needed to ensure we can add subdirs of existing dirs for cf_test_incdir in $CFLAGS $CPPFLAGS ; do if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then cf_have_incdir=yes; break fi done fi if test "$cf_have_incdir" = no ; then if test "$cf_add_incdir" = /usr/local/include ; then if test "$GCC" = yes then cf_save_CPPFLAGS=$CPPFLAGS CF_APPEND_TEXT(CPPFLAGS,-I$cf_add_incdir) AC_TRY_COMPILE([#include ], [printf("Hello")], [], [cf_have_incdir=yes]) CPPFLAGS=$cf_save_CPPFLAGS fi fi fi if test "$cf_have_incdir" = no ; then CF_VERBOSE(adding $cf_add_incdir to include-path) ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir" cf_top_incdir=`echo "$cf_add_incdir" | sed -e 's%/include/.*$%/include%'` test "$cf_top_incdir" = "$cf_add_incdir" && break cf_add_incdir="$cf_top_incdir" else break fi else break fi done done fi ])dnl dnl --------------------------------------------------------------------------- dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05 dnl ---------- dnl Add a library, used to enforce consistency. dnl dnl $1 = library to add, without the "-l" dnl $2 = variable to update (default $LIBS) AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl dnl --------------------------------------------------------------------------- dnl CF_ADD_LIBDIR version: 11 updated: 2020/12/31 20:19:42 dnl ------------- dnl Adds to the library-path dnl dnl Some machines have trouble with multiple -L options. dnl dnl $1 is the (list of) directory(s) to add dnl $2 is the optional name of the variable to update (default LDFLAGS) dnl AC_DEFUN([CF_ADD_LIBDIR], [ if test -n "$1" ; then for cf_add_libdir in $1 do if test "$cf_add_libdir" = /usr/lib ; then : elif test -d "$cf_add_libdir" then cf_have_libdir=no if test -n "$LDFLAGS$LIBS" ; then # a loop is needed to ensure we can add subdirs of existing dirs for cf_test_libdir in $LDFLAGS $LIBS ; do if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then cf_have_libdir=yes; break fi done fi if test "$cf_have_libdir" = no ; then CF_VERBOSE(adding $cf_add_libdir to library-path) ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])" fi fi done fi ])dnl dnl --------------------------------------------------------------------------- dnl CF_ADD_LIBS version: 3 updated: 2019/11/02 16:47:33 dnl ----------- dnl Add one or more libraries, used to enforce consistency. Libraries are dnl prepended to an existing list, since their dependencies are assumed to dnl already exist in the list. dnl dnl $1 = libraries to add, with the "-l", etc. dnl $2 = variable to update (default $LIBS) AC_DEFUN([CF_ADD_LIBS],[ cf_add_libs="[$]ifelse($2,,LIBS,[$2])" # reverse order cf_add_0lib= for cf_add_1lib in $1; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done # filter duplicates for cf_add_1lib in $cf_add_0lib; do for cf_add_2lib in $cf_add_libs; do if test "x$cf_add_1lib" = "x$cf_add_2lib"; then cf_add_1lib= break fi done test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs" done ifelse($2,,LIBS,[$2])="$cf_add_libs" ])dnl dnl --------------------------------------------------------------------------- dnl CF_ADD_SUBDIR_PATH version: 5 updated: 2020/12/31 20:19:42 dnl ------------------ dnl Append to a search-list for a nonstandard header/lib-file dnl $1 = the variable to return as result dnl $2 = the package name dnl $3 = the subdirectory, e.g., bin, include or lib dnl $4 = the directory under which we will test for subdirectories dnl $5 = a directory that we do not want $4 to match AC_DEFUN([CF_ADD_SUBDIR_PATH], [ test "x$4" != "x$5" && \ test -d "$4" && \ ifelse([$5],NONE,,[{ test -z "$5" || test "x$5" = xNONE || test "x$4" != "x$5"; } &&]) { test -n "$verbose" && echo " ... testing for $3-directories under $4" test -d "$4/$3" && $1="[$]$1 $4/$3" test -d "$4/$3/$2" && $1="[$]$1 $4/$3/$2" test -d "$4/$3/$2/$3" && $1="[$]$1 $4/$3/$2/$3" test -d "$4/$2/$3" && $1="[$]$1 $4/$2/$3" test -d "$4/$2/$3/$2" && $1="[$]$1 $4/$2/$3/$2" } ])dnl dnl --------------------------------------------------------------------------- dnl CF_APPEND_CFLAGS version: 3 updated: 2021/09/05 17:25:40 dnl ---------------- dnl Use CF_ADD_CFLAGS after first checking for potential redefinitions. dnl $1 = flags to add dnl $2 = if given makes this macro verbose. define([CF_APPEND_CFLAGS], [ for cf_add_cflags in $1 do case "x$cf_add_cflags" in (x-[[DU]]*) CF_REMOVE_CFLAGS($cf_add_cflags,CFLAGS,[$2]) CF_REMOVE_CFLAGS($cf_add_cflags,CPPFLAGS,[$2]) ;; esac CF_ADD_CFLAGS([$cf_add_cflags],[$2]) done ])dnl dnl --------------------------------------------------------------------------- dnl CF_APPEND_TEXT version: 1 updated: 2017/02/25 18:58:55 dnl -------------- dnl use this macro for appending text without introducing an extra blank at dnl the beginning define([CF_APPEND_TEXT], [ test -n "[$]$1" && $1="[$]$1 " $1="[$]{$1}$2" ])dnl dnl --------------------------------------------------------------------------- dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31 dnl -------------- dnl Allow user to disable a normally-on option. AC_DEFUN([CF_ARG_DISABLE], [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl dnl --------------------------------------------------------------------------- dnl CF_ARG_ENABLE version: 3 updated: 1999/03/30 17:24:31 dnl ------------- dnl Allow user to enable a normally-off option. AC_DEFUN([CF_ARG_ENABLE], [CF_ARG_OPTION($1,[$2],[$3],[$4],no)])dnl dnl --------------------------------------------------------------------------- dnl CF_ARG_OPTION version: 5 updated: 2015/05/10 19:52:14 dnl ------------- dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus dnl values. dnl dnl Parameters: dnl $1 = option name dnl $2 = help-string dnl $3 = action to perform if option is not default dnl $4 = action if perform if option is default dnl $5 = default option value (either 'yes' or 'no') AC_DEFUN([CF_ARG_OPTION], [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes) if test "$enableval" != "$5" ; then ifelse([$3],,[ :]dnl ,[ $3]) ifelse([$4],,,[ else $4]) fi],[enableval=$5 ifelse([$4],,,[ $4 ])dnl ])])dnl dnl --------------------------------------------------------------------------- dnl CF_AR_FLAGS version: 9 updated: 2021/01/01 13:31:04 dnl ----------- dnl Check for suitable "ar" (archiver) options for updating an archive. dnl dnl In particular, handle some obsolete cases where the "-" might be omitted, dnl as well as a workaround for breakage of make's archive rules by the GNU dnl binutils "ar" program. AC_DEFUN([CF_AR_FLAGS],[ AC_REQUIRE([CF_PROG_AR]) AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[ case "$cf_cv_system_name" in (*-msvc*) cf_cv_ar_flags='' cat >mk_static_lib.sh <<-EOF #!$SHELL MSVC_BIN="[$]AR" out="\[$]1" shift exec \[$]MSVC_BIN -out:"\[$]out" \[$]@ EOF chmod +x mk_static_lib.sh AR=`pwd`/mk_static_lib.sh ;; (*) cf_cv_ar_flags=unknown for cf_ar_flags in -curvU -curv curv -crv crv -cqv cqv -rv rv do # check if $ARFLAGS already contains this choice if test "x$ARFLAGS" != "x" ; then cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"` if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then cf_cv_ar_flags= break fi fi rm -f "conftest.$ac_cv_objext" rm -f conftest.a cat >"conftest.$ac_ext" <&AC_FD_CC $AR $ARFLAGS "$cf_ar_flags" conftest.a "conftest.$ac_cv_objext" 2>&AC_FD_CC 1>/dev/null if test -f conftest.a ; then cf_cv_ar_flags="$cf_ar_flags" break fi else CF_VERBOSE(cannot compile test-program) break fi done rm -f conftest.a "conftest.$ac_ext" "conftest.$ac_cv_objext" ;; esac ]) if test -n "$ARFLAGS" ; then if test -n "$cf_cv_ar_flags" ; then ARFLAGS="$ARFLAGS $cf_cv_ar_flags" fi else ARFLAGS=$cf_cv_ar_flags fi AC_SUBST(ARFLAGS) ]) dnl --------------------------------------------------------------------------- dnl CF_BUILD_CC version: 9 updated: 2021/01/02 09:31:20 dnl ----------- dnl If we're cross-compiling, allow the user to override the tools and their dnl options. The configure script is oriented toward identifying the host dnl compiler, etc., but we need a build compiler to generate parts of the dnl source. dnl dnl $1 = default for $CPPFLAGS dnl $2 = default for $LIBS AC_DEFUN([CF_BUILD_CC],[ CF_ACVERSION_CHECK(2.52,, [AC_REQUIRE([CF_PROG_EXT])]) if test "$cross_compiling" = yes ; then # defaults that we might want to override : ${BUILD_CFLAGS:=''} : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'} : ${BUILD_LDFLAGS:=''} : ${BUILD_LIBS:='ifelse([$2],,,[$2])'} : ${BUILD_EXEEXT:='$x'} : ${BUILD_OBJEXT:='o'} AC_ARG_WITH(build-cc, [ --with-build-cc=XXX the build C compiler ($BUILD_CC)], [BUILD_CC="$withval"], [AC_CHECK_PROGS(BUILD_CC, [gcc clang c99 c89 cc cl],none)]) AC_MSG_CHECKING(for native build C compiler) AC_MSG_RESULT($BUILD_CC) AC_MSG_CHECKING(for native build C preprocessor) AC_ARG_WITH(build-cpp, [ --with-build-cpp=XXX the build C preprocessor ($BUILD_CPP)], [BUILD_CPP="$withval"], [BUILD_CPP='${BUILD_CC} -E']) AC_MSG_RESULT($BUILD_CPP) AC_MSG_CHECKING(for native build C flags) AC_ARG_WITH(build-cflags, [ --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)], [BUILD_CFLAGS="$withval"]) AC_MSG_RESULT($BUILD_CFLAGS) AC_MSG_CHECKING(for native build C preprocessor-flags) AC_ARG_WITH(build-cppflags, [ --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)], [BUILD_CPPFLAGS="$withval"]) AC_MSG_RESULT($BUILD_CPPFLAGS) AC_MSG_CHECKING(for native build linker-flags) AC_ARG_WITH(build-ldflags, [ --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)], [BUILD_LDFLAGS="$withval"]) AC_MSG_RESULT($BUILD_LDFLAGS) AC_MSG_CHECKING(for native build linker-libraries) AC_ARG_WITH(build-libs, [ --with-build-libs=XXX the build libraries (${BUILD_LIBS})], [BUILD_LIBS="$withval"]) AC_MSG_RESULT($BUILD_LIBS) # this assumes we're on Unix. BUILD_EXEEXT= BUILD_OBJEXT=o : ${BUILD_CC:='${CC}'} if { test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}'; } ; then AC_MSG_ERROR([Cross-build requires two compilers. Use --with-build-cc to specify the native compiler.]) fi else : ${BUILD_CC:='${CC}'} : ${BUILD_CPP:='${CPP}'} : ${BUILD_CFLAGS:='${CFLAGS}'} : ${BUILD_CPPFLAGS:='${CPPFLAGS}'} : ${BUILD_LDFLAGS:='${LDFLAGS}'} : ${BUILD_LIBS:='${LIBS}'} : ${BUILD_EXEEXT:='$x'} : ${BUILD_OBJEXT:='o'} fi AC_SUBST(BUILD_CC) AC_SUBST(BUILD_CPP) AC_SUBST(BUILD_CFLAGS) AC_SUBST(BUILD_CPPFLAGS) AC_SUBST(BUILD_LDFLAGS) AC_SUBST(BUILD_LIBS) AC_SUBST(BUILD_EXEEXT) AC_SUBST(BUILD_OBJEXT) ])dnl dnl --------------------------------------------------------------------------- dnl CF_C11_NORETURN version: 3 updated: 2021/03/28 11:36:23 dnl --------------- AC_DEFUN([CF_C11_NORETURN], [ AC_MSG_CHECKING(if you want to use C11 _Noreturn feature) CF_ARG_ENABLE(stdnoreturn, [ --enable-stdnoreturn enable C11 _Noreturn feature for diagnostics], [enable_stdnoreturn=yes], [enable_stdnoreturn=no]) AC_MSG_RESULT($enable_stdnoreturn) if test $enable_stdnoreturn = yes; then AC_CACHE_CHECK([for C11 _Noreturn feature], cf_cv_c11_noreturn, [AC_TRY_COMPILE([ #include #include #include static _Noreturn void giveup(void) { exit(0); } ], [if (feof(stdin)) giveup()], cf_cv_c11_noreturn=yes, cf_cv_c11_noreturn=no) ]) else cf_cv_c11_noreturn=no, fi if test "$cf_cv_c11_noreturn" = yes; then AC_DEFINE(HAVE_STDNORETURN_H, 1,[Define if header is available and working]) AC_DEFINE_UNQUOTED(STDC_NORETURN,_Noreturn,[Define if C11 _Noreturn keyword is supported]) HAVE_STDNORETURN_H=1 else HAVE_STDNORETURN_H=0 fi AC_SUBST(HAVE_STDNORETURN_H) AC_SUBST(STDC_NORETURN) ])dnl dnl --------------------------------------------------------------------------- dnl CF_CC_ENV_FLAGS version: 10 updated: 2020/12/31 18:40:20 dnl --------------- dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content dnl into CC. This will not help with broken scripts that wrap the compiler dnl with options, but eliminates a more common category of user confusion. dnl dnl In particular, it addresses the problem of being able to run the C dnl preprocessor in a consistent manner. dnl dnl Caveat: this also disallows blanks in the pathname for the compiler, but dnl the nuisance of having inconsistent settings for compiler and preprocessor dnl outweighs that limitation. AC_DEFUN([CF_CC_ENV_FLAGS], [ # This should have been defined by AC_PROG_CC : "${CC:=cc}" AC_MSG_CHECKING(\$CFLAGS variable) case "x$CFLAGS" in (*-[[IUD]]*) AC_MSG_RESULT(broken) AC_MSG_WARN(your environment uses the CFLAGS variable to hold CPPFLAGS options) cf_flags="$CFLAGS" CFLAGS= for cf_arg in $cf_flags do CF_ADD_CFLAGS($cf_arg) done ;; (*) AC_MSG_RESULT(ok) ;; esac AC_MSG_CHECKING(\$CC variable) case "$CC" in (*[[\ \ ]]-*) AC_MSG_RESULT(broken) AC_MSG_WARN(your environment uses the CC variable to hold CFLAGS/CPPFLAGS options) # humor him... cf_prog=`echo "$CC" | sed -e 's/ / /g' -e 's/[[ ]]* / /g' -e 's/[[ ]]*[[ ]]-[[^ ]].*//'` cf_flags=`echo "$CC" | ${AWK:-awk} -v prog="$cf_prog" '{ printf("%s", [substr]([$]0,1+length(prog))); }'` CC="$cf_prog" for cf_arg in $cf_flags do case "x$cf_arg" in (x-[[IUDfgOW]]*) CF_ADD_CFLAGS($cf_arg) ;; (*) CC="$CC $cf_arg" ;; esac done CF_VERBOSE(resulting CC: '$CC') CF_VERBOSE(resulting CFLAGS: '$CFLAGS') CF_VERBOSE(resulting CPPFLAGS: '$CPPFLAGS') ;; (*) AC_MSG_RESULT(ok) ;; esac ])dnl dnl --------------------------------------------------------------------------- dnl CF_CFG_DEFAULTS version: 16 updated: 2021/01/04 19:33:05 dnl --------------- dnl Determine the default configuration into which we'll install ncurses. This dnl can be overridden by the user's command-line options. There's two items to dnl look for: dnl 1. the prefix (e.g., /usr) dnl 2. the header files (e.g., /usr/include/ncurses) dnl We'll look for a previous installation of ncurses and use the same defaults. dnl dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's dnl programs from a vendor's. AC_DEFUN([CF_CFG_DEFAULTS], [AC_REQUIRE([AC_PROG_FGREP])dnl AC_MSG_CHECKING(for prefix) if test "x$prefix" = "xNONE" ; then case "$cf_cv_system_name" in # non-vendor systems don't have a conflict (openbsd*|freebsd*|mirbsd*|linux*|cygwin*|msys*|k*bsd*-gnu|mingw*) prefix=/usr ;; (*) prefix=$ac_default_prefix ;; esac fi AC_MSG_RESULT($prefix) if test "x$prefix" = "xNONE" ; then AC_MSG_CHECKING(for default include-directory) test -n "$verbose" && echo 1>&AC_FD_MSG for cf_symbol in \ "$includedir" \ "$includedir/ncurses" \ "$prefix/include" \ "$prefix/include/ncurses" \ /usr/local/include \ /usr/local/include/ncurses \ /usr/include \ /usr/include/ncurses do cf_dir=`eval echo "$cf_symbol"` if test -f "$cf_dir/curses.h" ; then if ( ${FGREP-fgrep} NCURSES_VERSION "$cf_dir/curses.h" >/dev/null 2>&1 ) ; then includedir="$cf_symbol" test -n "$verbose" && echo $ECHO_N " found " 1>&AC_FD_MSG break fi fi test -n "$verbose" && echo " tested $cf_dir" 1>&AC_FD_MSG done AC_MSG_RESULT($includedir) fi ])dnl dnl --------------------------------------------------------------------------- dnl CF_CHECK_CACHE version: 13 updated: 2020/12/31 10:54:15 dnl -------------- dnl Check if we're accidentally using a cache from a different machine. dnl Derive the system name, as a check for reusing the autoconf cache. dnl dnl If we've packaged config.guess and config.sub, run that (since it does a dnl better job than uname). Normally we'll use AC_CANONICAL_HOST, but allow dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM dnl which is useful in cross-compiles. dnl dnl Note: we would use $ac_config_sub, but that is one of the places where dnl autoconf 2.5x broke compatibility with autoconf 2.13 AC_DEFUN([CF_CHECK_CACHE], [ if test -f "$srcdir/config.guess" || test -f "$ac_aux_dir/config.guess" ; then ifelse([$1],,[AC_CANONICAL_HOST],[$1]) system_name="$host_os" else system_name="`(uname -s -r) 2>/dev/null`" if test -z "$system_name" ; then system_name="`(hostname) 2>/dev/null`" fi fi test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.]) AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"]) test -z "$system_name" && system_name="$cf_cv_system_name" test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name) if test ".$system_name" != ".$cf_cv_system_name" ; then AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name)) AC_MSG_ERROR("Please remove config.cache and try again.") fi ])dnl dnl --------------------------------------------------------------------------- dnl CF_CHECK_GNAT_VERSION version: 4 updated: 2021/01/01 13:31:04 dnl --------------------- AC_DEFUN([CF_CHECK_GNAT_VERSION], [ AC_REQUIRE([CF_GNAT_VERSION]) case "$cf_cv_gnat_version" in (3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|[[1-9]][[0-9]].[[0-9]]*|20[[0-9]][[0-9]]) cf_cv_prog_gnat_correct=yes ;; (*) AC_MSG_WARN(Unsupported GNAT version $cf_cv_gnat_version. We require 3.11 or better. Disabling Ada95 binding.) cf_cv_prog_gnat_correct=no ;; esac ]) dnl --------------------------------------------------------------------------- dnl CF_CLANG_COMPILER version: 8 updated: 2021/01/01 13:31:04 dnl ----------------- dnl Check if the given compiler is really clang. clang's C driver defines dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does dnl not ignore some gcc options. dnl dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from dnl the wrappers for gcc and g++ warnings. dnl dnl $1 = GCC (default) or GXX dnl $2 = CLANG_COMPILER (default) dnl $3 = CFLAGS (default) or CXXFLAGS AC_DEFUN([CF_CLANG_COMPILER],[ ifelse([$2],,CLANG_COMPILER,[$2])=no if test "$ifelse([$1],,[$1],GCC)" = yes ; then AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler) cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])" AC_TRY_COMPILE([],[ #ifdef __clang__ #else make an error #endif ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes ],[]) ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS" AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2])) fi CLANG_VERSION=none if test "x$ifelse([$2],,CLANG_COMPILER,[$2])" = "xyes" ; then case "$CC" in (c[[1-9]][[0-9]]|*/c[[1-9]][[0-9]]) AC_MSG_WARN(replacing broken compiler alias $CC) CFLAGS="$CFLAGS -std=`echo "$CC" | sed -e 's%.*/%%'`" CC=clang ;; esac AC_MSG_CHECKING(version of $CC) CLANG_VERSION="`$CC --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(CLANG[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`" test -z "$CLANG_VERSION" && CLANG_VERSION=unknown AC_MSG_RESULT($CLANG_VERSION) for cf_clang_opt in \ -Qunused-arguments \ -Wno-error=implicit-function-declaration do AC_MSG_CHECKING(if option $cf_clang_opt works) cf_save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS $cf_clang_opt" AC_TRY_LINK([ #include ],[ printf("hello!\\n");],[ cf_clang_optok=yes],[ cf_clang_optok=no]) AC_MSG_RESULT($cf_clang_optok) CFLAGS="$cf_save_CFLAGS" if test "$cf_clang_optok" = yes; then CF_VERBOSE(adding option $cf_clang_opt) CF_APPEND_TEXT(CFLAGS,$cf_clang_opt) fi done fi ]) dnl --------------------------------------------------------------------------- dnl CF_CONST_X_STRING version: 7 updated: 2021/06/07 17:39:17 dnl ----------------- dnl The X11R4-X11R6 Xt specification uses an ambiguous String type for most dnl character-strings. dnl dnl It is ambiguous because the specification accommodated the pre-ANSI dnl compilers bundled by more than one vendor in lieu of providing a standard C dnl compiler other than by costly add-ons. Because of this, the specification dnl did not take into account the use of const for telling the compiler that dnl string literals would be in readonly memory. dnl dnl As a workaround, one could (starting with X11R5) define XTSTRINGDEFINES, to dnl let the compiler decide how to represent Xt's strings which were #define'd. dnl That does not solve the problem of using the block of Xt's strings which dnl are compiled into the library (and is less efficient than one might want). dnl dnl Xt specification 7 introduces the _CONST_X_STRING symbol which is used both dnl when compiling the library and compiling using the library, to tell the dnl compiler that String is const. AC_DEFUN([CF_CONST_X_STRING], [ AC_REQUIRE([AC_PATH_XTRA]) CF_SAVE_XTRA_FLAGS([CF_CONST_X_STRING]) AC_TRY_COMPILE( [ #include #include ], [String foo = malloc(1); free((void*)foo)],[ AC_CACHE_CHECK(for X11/Xt const-feature,cf_cv_const_x_string,[ AC_TRY_COMPILE( [ #define _CONST_X_STRING /* X11R7.8 (perhaps) */ #undef XTSTRINGDEFINES /* X11R5 and later */ #include #include ],[String foo = malloc(1); *foo = 0],[ cf_cv_const_x_string=no ],[ cf_cv_const_x_string=yes ]) ]) CF_RESTORE_XTRA_FLAGS([CF_CONST_X_STRING]) case "$cf_cv_const_x_string" in (no) CF_APPEND_TEXT(CPPFLAGS,-DXTSTRINGDEFINES) ;; (*) CF_APPEND_TEXT(CPPFLAGS,-D_CONST_X_STRING) ;; esac ]) ])dnl dnl --------------------------------------------------------------------------- dnl CF_CONST_X_STRING version: 7 updated: 2021/06/07 17:39:17 dnl ----------------- dnl The X11R4-X11R6 Xt specification uses an ambiguous String type for most dnl character-strings. dnl dnl It is ambiguous because the specification accommodated the pre-ANSI dnl compilers bundled by more than one vendor in lieu of providing a standard C dnl compiler other than by costly add-ons. Because of this, the specification dnl did not take into account the use of const for telling the compiler that dnl string literals would be in readonly memory. dnl dnl As a workaround, one could (starting with X11R5) define XTSTRINGDEFINES, to dnl let the compiler decide how to represent Xt's strings which were #define'd. dnl That does not solve the problem of using the block of Xt's strings which dnl are compiled into the library (and is less efficient than one might want). dnl dnl Xt specification 7 introduces the _CONST_X_STRING symbol which is used both dnl when compiling the library and compiling using the library, to tell the dnl compiler that String is const. AC_DEFUN([CF_CONST_X_STRING], [ AC_REQUIRE([AC_PATH_XTRA]) CF_SAVE_XTRA_FLAGS([CF_CONST_X_STRING]) AC_TRY_COMPILE( [ #include #include ], [String foo = malloc(1); free((void*)foo)],[ AC_CACHE_CHECK(for X11/Xt const-feature,cf_cv_const_x_string,[ AC_TRY_COMPILE( [ #define _CONST_X_STRING /* X11R7.8 (perhaps) */ #undef XTSTRINGDEFINES /* X11R5 and later */ #include #include ],[String foo = malloc(1); *foo = 0],[ cf_cv_const_x_string=no ],[ cf_cv_const_x_string=yes ]) ]) CF_RESTORE_XTRA_FLAGS([CF_CONST_X_STRING]) case "$cf_cv_const_x_string" in (no) CF_APPEND_TEXT(CPPFLAGS,-DXTSTRINGDEFINES) ;; (*) CF_APPEND_TEXT(CPPFLAGS,-D_CONST_X_STRING) ;; esac ]) ])dnl dnl --------------------------------------------------------------------------- dnl CF_CURSES_HEADER version: 5 updated: 2015/04/23 20:35:30 dnl ---------------- dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common dnl variations of ncurses' installs. dnl dnl $1 = ncurses when looking for ncurses, or is empty AC_DEFUN([CF_CURSES_HEADER],[ AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[ cf_cv_ncurses_header=none for cf_header in \ ncurses.h ifelse($1,,,[$1/ncurses.h]) \ curses.h ifelse($1,,,[$1/curses.h]) ifelse($1,,[ncurses/ncurses.h ncurses/curses.h]) do AC_TRY_COMPILE([#include <${cf_header}>], [initscr(); tgoto("?", 0,0)], [cf_cv_ncurses_header=$cf_header; break],[]) done ]) if test "$cf_cv_ncurses_header" = none ; then AC_MSG_ERROR(No curses header-files found) fi # cheat, to get the right #define's for HAVE_NCURSES_H, etc. AC_CHECK_HEADERS($cf_cv_ncurses_header) ])dnl dnl --------------------------------------------------------------------------- dnl CF_DIRNAME version: 5 updated: 2020/12/31 20:19:42 dnl ---------- dnl "dirname" is not portable, so we fake it with a shell script. AC_DEFUN([CF_DIRNAME],[$1=`echo "$2" | sed -e 's%/[[^/]]*$%%'`])dnl dnl --------------------------------------------------------------------------- dnl CF_DISABLE_ECHO version: 14 updated: 2021/09/04 06:35:04 dnl --------------- dnl You can always use "make -n" to see the actual options, but it is hard to dnl pick out/analyze warning messages when the compile-line is long. dnl dnl Sets: dnl ECHO_LT - symbol to control if libtool is verbose dnl ECHO_LD - symbol to prefix "cc -o" lines dnl RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o) dnl SHOW_CC - symbol to put before explicit "cc -c" lines dnl ECHO_CC - symbol to put before any "cc" line dnl AC_DEFUN([CF_DISABLE_ECHO],[ AC_MSG_CHECKING(if you want to see long compiling messages) CF_ARG_DISABLE(echo, [ --disable-echo do not display "compiling" commands], [ ECHO_LT='--silent' ECHO_LD='@echo linking [$]@;' RULE_CC='@echo compiling [$]<' SHOW_CC='@echo compiling [$]@' ECHO_CC='@' ],[ ECHO_LT='' ECHO_LD='' RULE_CC='' SHOW_CC='' ECHO_CC='' ]) AC_MSG_RESULT($enableval) AC_SUBST(ECHO_LT) AC_SUBST(ECHO_LD) AC_SUBST(RULE_CC) AC_SUBST(SHOW_CC) AC_SUBST(ECHO_CC) ])dnl dnl --------------------------------------------------------------------------- dnl CF_DISABLE_GNAT_PROJECTS version: 1 updated: 2014/06/01 11:34:00 dnl ------------------------ AC_DEFUN([CF_DISABLE_GNAT_PROJECTS],[ AC_MSG_CHECKING(if we want to use GNAT projects) CF_ARG_DISABLE(gnat-projects, [ --disable-gnat-projects test: disable GNAT projects even if usable], [enable_gnat_projects=no], [enable_gnat_projects=yes]) AC_MSG_RESULT($enable_gnat_projects) ])dnl dnl --------------------------------------------------------------------------- dnl CF_ENABLE_BROKEN_LINKER version: 2 updated: 2021/01/02 17:09:14 dnl ----------------------- dnl Some linkers cannot reference a data-only object. Cygwin used to be one. dnl This usually follows CF_LINK_DATAONLY, but is not required in case we need dnl an unconditional feature. AC_DEFUN([CF_ENABLE_BROKEN_LINKER],[ AC_MSG_CHECKING(if you want broken-linker support code) AC_ARG_ENABLE(broken_linker, [ --enable-broken_linker compile with broken-linker support code], [with_broken_linker=$enableval], [with_broken_linker=no]) AC_MSG_RESULT($with_broken_linker) : "${BROKEN_LINKER:=0}" if test "x$with_broken_linker" = xyes ; then AC_DEFINE(BROKEN_LINKER,1,[Define to 1 to work around linkers which cannot link data-only modules]) BROKEN_LINKER=1 fi AC_SUBST(BROKEN_LINKER) ])dnl dnl --------------------------------------------------------------------------- dnl CF_ENABLE_WARNINGS version: 9 updated: 2021/01/05 19:40:50 dnl ------------------ dnl Configure-option to enable gcc warnings dnl dnl $1 = extra options to add, if supported dnl $2 = option for checking attributes. By default, this is done when dnl warnings are enabled. For other values: dnl yes: always do this, e.g., to use in generated library-headers dnl no: never do this AC_DEFUN([CF_ENABLE_WARNINGS],[ if test "$GCC" = yes || test "$GXX" = yes then CF_FIX_WARNINGS(CFLAGS) CF_FIX_WARNINGS(CPPFLAGS) CF_FIX_WARNINGS(LDFLAGS) AC_MSG_CHECKING(if you want to turn on gcc warnings) CF_ARG_ENABLE(warnings, [ --enable-warnings test: turn on gcc compiler warnings], [enable_warnings=yes], [enable_warnings=no]) AC_MSG_RESULT($enable_warnings) if test "$enable_warnings" = "yes" then ifelse($2,,[CF_GCC_ATTRIBUTES]) CF_GCC_WARNINGS($1) fi ifelse($2,yes,[CF_GCC_ATTRIBUTES]) fi ])dnl dnl --------------------------------------------------------------------------- dnl CF_FIND_LIBRARY version: 11 updated: 2021/01/02 09:31:20 dnl --------------- dnl Look for a non-standard library, given parameters for AC_TRY_LINK. We dnl prefer a standard location, and use -L options only if we do not find the dnl library in the standard library location(s). dnl $1 = library name dnl $2 = library class, usually the same as library name dnl $3 = includes dnl $4 = code fragment to compile/link dnl $5 = corresponding function-name dnl $6 = flag, nonnull if failure should not cause an error-exit dnl dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had dnl to use a -L option. AC_DEFUN([CF_FIND_LIBRARY], [ eval 'cf_cv_have_lib_'"$1"'=no' cf_libdir="" AC_CHECK_FUNC($5, eval 'cf_cv_have_lib_'"$1"'=yes',[ cf_save_LIBS="$LIBS" AC_MSG_CHECKING(for $5 in -l$1) LIBS="-l$1 $LIBS" AC_TRY_LINK([$3],[$4], [AC_MSG_RESULT(yes) eval 'cf_cv_have_lib_'"$1"'=yes' ], [AC_MSG_RESULT(no) CF_LIBRARY_PATH(cf_search,$2) for cf_libdir in $cf_search do AC_MSG_CHECKING(for -l$1 in $cf_libdir) LIBS="-L$cf_libdir -l$1 $cf_save_LIBS" AC_TRY_LINK([$3],[$4], [AC_MSG_RESULT(yes) eval 'cf_cv_have_lib_'"$1"'=yes' break], [AC_MSG_RESULT(no) LIBS="$cf_save_LIBS"]) done ]) ]) eval 'cf_found_library="[$]cf_cv_have_lib_'"$1"\" ifelse($6,,[ if test "$cf_found_library" = no ; then AC_MSG_ERROR(Cannot link $1 library) fi ]) ])dnl dnl --------------------------------------------------------------------------- dnl CF_FIND_LINKAGE version: 22 updated: 2020/12/31 20:19:42 dnl --------------- dnl Find a library (specifically the linkage used in the code fragment), dnl searching for it if it is not already in the library path. dnl See also CF_ADD_SEARCHPATH. dnl dnl Parameters (4-on are optional): dnl $1 = headers for library entrypoint dnl $2 = code fragment for library entrypoint dnl $3 = the library name without the "-l" option or ".so" suffix. dnl $4 = action to perform if successful (default: update CPPFLAGS, etc) dnl $5 = action to perform if not successful dnl $6 = module name, if not the same as the library name dnl $7 = extra libraries dnl dnl Sets these variables: dnl $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found dnl $cf_cv_header_path_$3 - include-directory if needed dnl $cf_cv_library_path_$3 - library-directory if needed dnl $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3 AC_DEFUN([CF_FIND_LINKAGE],[ # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these # will be set on completion of the AC_TRY_LINK below. cf_cv_header_path_$3= cf_cv_library_path_$3= CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)]) cf_save_LIBS="$LIBS" AC_TRY_LINK([$1],[$2],[ cf_cv_find_linkage_$3=yes cf_cv_header_path_$3=/usr/include cf_cv_library_path_$3=/usr/lib ],[ LIBS="-l$3 $7 $cf_save_LIBS" AC_TRY_LINK([$1],[$2],[ cf_cv_find_linkage_$3=yes cf_cv_header_path_$3=/usr/include cf_cv_library_path_$3=/usr/lib cf_cv_library_file_$3="-l$3" ],[ cf_cv_find_linkage_$3=no LIBS="$cf_save_LIBS" CF_VERBOSE(find linkage for $3 library) CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)]) cf_save_CPPFLAGS="$CPPFLAGS" cf_test_CPPFLAGS="$CPPFLAGS" CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6])) for cf_cv_header_path_$3 in $cf_search do if test -d "$cf_cv_header_path_$3" ; then CF_VERBOSE(... testing $cf_cv_header_path_$3) CPPFLAGS="$cf_save_CPPFLAGS" CF_APPEND_TEXT(CPPFLAGS,-I$cf_cv_header_path_$3) AC_TRY_COMPILE([$1],[$2],[ CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3) cf_cv_find_linkage_$3=maybe cf_test_CPPFLAGS="$CPPFLAGS" break],[ CPPFLAGS="$cf_save_CPPFLAGS" ]) fi done if test "$cf_cv_find_linkage_$3" = maybe ; then CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)]) cf_save_LIBS="$LIBS" cf_save_LDFLAGS="$LDFLAGS" ifelse([$6],,,[ CPPFLAGS="$cf_test_CPPFLAGS" LIBS="-l$3 $7 $cf_save_LIBS" AC_TRY_LINK([$1],[$2],[ CF_VERBOSE(... found $3 library in system) cf_cv_find_linkage_$3=yes]) CPPFLAGS="$cf_save_CPPFLAGS" LIBS="$cf_save_LIBS" ]) if test "$cf_cv_find_linkage_$3" != yes ; then CF_LIBRARY_PATH(cf_search,$3) for cf_cv_library_path_$3 in $cf_search do if test -d "$cf_cv_library_path_$3" ; then CF_VERBOSE(... testing $cf_cv_library_path_$3) CPPFLAGS="$cf_test_CPPFLAGS" LIBS="-l$3 $7 $cf_save_LIBS" LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3" AC_TRY_LINK([$1],[$2],[ CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3) cf_cv_find_linkage_$3=yes cf_cv_library_file_$3="-l$3" break],[ CPPFLAGS="$cf_save_CPPFLAGS" LIBS="$cf_save_LIBS" LDFLAGS="$cf_save_LDFLAGS" ]) fi done CPPFLAGS="$cf_save_CPPFLAGS" LDFLAGS="$cf_save_LDFLAGS" fi else cf_cv_find_linkage_$3=no fi ],$7) ]) LIBS="$cf_save_LIBS" if test "$cf_cv_find_linkage_$3" = yes ; then ifelse([$4],,[ CF_ADD_INCDIR($cf_cv_header_path_$3) CF_ADD_LIBDIR($cf_cv_library_path_$3) CF_ADD_LIB($3) ],[$4]) else ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5]) fi ])dnl dnl --------------------------------------------------------------------------- dnl CF_FIXUP_ADAFLAGS version: 2 updated: 2015/04/17 21:13:04 dnl ----------------- dnl make ADAFLAGS consistent with CFLAGS AC_DEFUN([CF_FIXUP_ADAFLAGS],[ AC_MSG_CHECKING(optimization options for ADAFLAGS) case "$CFLAGS" in (*-g*) CF_ADD_ADAFLAGS(-g) ;; esac case "$CFLAGS" in (*-O*) cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[ ]].*//'` CF_ADD_ADAFLAGS($cf_O_flag) ;; esac AC_MSG_RESULT($ADAFLAGS) ])dnl dnl --------------------------------------------------------------------------- dnl CF_FIX_WARNINGS version: 3 updated: 2020/12/31 18:40:20 dnl --------------- dnl Warning flags do not belong in CFLAGS, CPPFLAGS, etc. Any of gcc's dnl "-Werror" flags can interfere with configure-checks. Those go into dnl EXTRA_CFLAGS. dnl dnl $1 = variable name to repair define([CF_FIX_WARNINGS],[ if test "$GCC" = yes || test "$GXX" = yes then case [$]$1 in (*-Werror=*) CF_VERBOSE(repairing $1: [$]$1) cf_temp_flags= for cf_temp_scan in [$]$1 do case "x$cf_temp_scan" in (x-Werror=*) CF_APPEND_TEXT(EXTRA_CFLAGS,$cf_temp_scan) ;; (*) CF_APPEND_TEXT(cf_temp_flags,$cf_temp_scan) ;; esac done $1="$cf_temp_flags" CF_VERBOSE(... fixed [$]$1) CF_VERBOSE(... extra $EXTRA_CFLAGS) ;; esac fi AC_SUBST(EXTRA_CFLAGS) ])dnl dnl --------------------------------------------------------------------------- dnl CF_GCC_ATTRIBUTES version: 24 updated: 2021/03/20 12:00:25 dnl ----------------- dnl Test for availability of useful gcc __attribute__ directives to quiet dnl compiler warnings. Though useful, not all are supported -- and contrary dnl to documentation, unrecognized directives cause older compilers to barf. AC_DEFUN([CF_GCC_ATTRIBUTES], [AC_REQUIRE([AC_PROG_FGREP])dnl AC_REQUIRE([CF_C11_NORETURN])dnl if test "$GCC" = yes || test "$GXX" = yes then cat > conftest.i < "conftest.$ac_ext" <&AC_FD_CC case "$cf_attribute" in (printf) cf_printf_attribute=yes cat >conftest.h <conftest.h <conftest.h <>confdefs.h case "$cf_attribute" in (noreturn) AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc]) ;; (printf) cf_value='/* nothing */' if test "$cf_printf_attribute" != no ; then cf_value='__attribute__((format(printf,fmt,var)))' AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.]) fi AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc]) ;; (scanf) cf_value='/* nothing */' if test "$cf_scanf_attribute" != no ; then cf_value='__attribute__((format(scanf,fmt,var)))' AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.]) fi AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc]) ;; (unused) AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc]) ;; esac fi done else ${FGREP-fgrep} define conftest.i >>confdefs.h fi rm -rf ./conftest* fi ])dnl dnl --------------------------------------------------------------------------- dnl CF_GCC_VERSION version: 8 updated: 2019/09/07 13:38:36 dnl -------------- dnl Find version of gcc, and (because icc/clang pretend to be gcc without being dnl compatible), attempt to determine if icc/clang is actually used. AC_DEFUN([CF_GCC_VERSION],[ AC_REQUIRE([AC_PROG_CC]) GCC_VERSION=none if test "$GCC" = yes ; then AC_MSG_CHECKING(version of $CC) GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`" test -z "$GCC_VERSION" && GCC_VERSION=unknown AC_MSG_RESULT($GCC_VERSION) fi CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS) CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS) ])dnl dnl --------------------------------------------------------------------------- dnl CF_GCC_WARNINGS version: 41 updated: 2021/01/01 16:53:59 dnl --------------- dnl Check if the compiler supports useful warning options. There's a few that dnl we don't use, simply because they're too noisy: dnl dnl -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x) dnl -Winline (usually not worthwhile) dnl -Wredundant-decls (system headers make this too noisy) dnl -Wtraditional (combines too many unrelated messages, only a few useful) dnl -Wwrite-strings (too noisy, but should review occasionally). This dnl is enabled for ncurses using "--enable-const". dnl -pedantic dnl dnl Parameter: dnl $1 is an optional list of gcc warning flags that a particular dnl application might want to use, e.g., "no-unused" for dnl -Wno-unused dnl Special: dnl If $with_ext_const is "yes", add a check for -Wwrite-strings dnl AC_DEFUN([CF_GCC_WARNINGS], [ AC_REQUIRE([CF_GCC_VERSION]) if test "x$have_x" = xyes; then CF_CONST_X_STRING fi cat > "conftest.$ac_ext" </dev/null >/dev/null && cf_cv_gnatprep_opt_t=yes ]) test "$cf_cv_gnatprep_opt_t" = yes && GNATPREP_OPTS="-T $GNATPREP_OPTS" AC_SUBST(GNATPREP_OPTS) ])dnl dnl --------------------------------------------------------------------------- dnl CF_GNAT_GENERICS version: 7 updated: 2021/01/01 13:31:04 dnl ---------------- AC_DEFUN([CF_GNAT_GENERICS], [ AC_REQUIRE([CF_GNAT_VERSION]) AC_MSG_CHECKING(if GNAT supports generics) case "$cf_cv_gnat_version" in (3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|[[1-9]][[0-9]].[[0-9]]*|20[[0-9]][[0-9]]) cf_gnat_generics=yes ;; (*) cf_gnat_generics=no ;; esac AC_MSG_RESULT($cf_gnat_generics) if test "$cf_gnat_generics" = yes then cf_compile_generics=generics cf_generic_objects="\${GENOBJS}" else cf_compile_generics= cf_generic_objects= fi AC_SUBST(cf_compile_generics) AC_SUBST(cf_generic_objects) ])dnl dnl --------------------------------------------------------------------------- dnl CF_GNAT_PROJECTS version: 13 updated: 2021/01/02 17:09:14 dnl ---------------- dnl GNAT projects are configured with ".gpr" project files. dnl GNAT libraries are a further development, using the project feature. AC_DEFUN([CF_GNAT_PROJECTS], [ AC_REQUIRE([CF_GNAT_VERSION]) AC_REQUIRE([CF_DISABLE_GNAT_PROJECTS]) cf_gnat_libraries=no cf_gnat_projects=no if test "$enable_gnat_projects" != no ; then AC_MSG_CHECKING(if GNAT supports project files) case "$cf_cv_gnat_version" in (3.[[0-9]]*) ;; (*) case "$cf_cv_system_name" in (cygwin*|msys*) ;; (*) rm -rf ./conftest* ./*~conftest* if mkdir conftest.src conftest.bin conftest.lib then cd conftest.src rm -rf ./conftest* ./*~conftest* cat >>library.gpr <>confpackage.ads <>confpackage.adb <&AC_FD_CC 2>&1 ) ; then cf_gnat_projects=yes fi cd .. fi if test -f conftest.lib/confpackage.ali then cf_gnat_libraries=yes fi rm -rf ./conftest* ./*~conftest* ;; esac ;; esac AC_MSG_RESULT($cf_gnat_projects) fi # enable_gnat_projects if test "$cf_gnat_projects" = yes then AC_MSG_CHECKING(if GNAT supports libraries) AC_MSG_RESULT($cf_gnat_libraries) fi USE_OLD_MAKERULES="" USE_GNAT_PROJECTS="#" USE_GNAT_MAKE_GPR="#" USE_GNAT_GPRBUILD="#" if test "$cf_gnat_projects" = yes then USE_OLD_MAKERULES="#" USE_GNAT_PROJECTS="" if test "$cf_cv_VERSION_GPRBUILD" != no then USE_GNAT_GPRBUILD="" elif test "$cf_cv_VERSION_GNATMAKE" != no then USE_GNAT_MAKE_GPR="" else AC_MSG_WARN(use old makefile rules since tools are missing) fi fi if test "$cf_gnat_libraries" = yes then USE_GNAT_LIBRARIES="" else USE_GNAT_LIBRARIES="#" fi AC_SUBST(USE_OLD_MAKERULES) AC_SUBST(USE_GNAT_PROJECTS) AC_SUBST(USE_GNAT_LIBRARIES) AC_SUBST(USE_GNAT_MAKE_GPR) AC_SUBST(USE_GNAT_GPRBUILD) ])dnl dnl --------------------------------------------------------------------------- dnl CF_GNAT_SIGINT version: 2 updated: 2021/01/01 13:31:04 dnl -------------- dnl Check if gnat supports SIGINT, and presumably tasking. For the latter, it dnl is noted that gnat may compile a tasking unit even for configurations which dnl fail at runtime. AC_DEFUN([CF_GNAT_SIGINT],[ AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[ CF_GNAT_TRY_LINK([with Ada.Interrupts.Names; package ConfTest is pragma Warnings (Off); -- the next pragma exists since 3.11p pragma Unreserve_All_Interrupts; pragma Warnings (On); protected Process is procedure Stop; function Continue return Boolean; pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT); private Done : Boolean := False; end Process; end ConfTest;], [package body ConfTest is protected body Process is procedure Stop is begin Done := True; end Stop; function Continue return Boolean is begin return not Done; end Continue; end Process; end ConfTest;], [cf_cv_gnat_sigint=yes], [cf_cv_gnat_sigint=no])]) if test "$cf_cv_gnat_sigint" = yes ; then USE_GNAT_SIGINT="" else USE_GNAT_SIGINT="#" fi AC_SUBST(USE_GNAT_SIGINT) ])dnl dnl --------------------------------------------------------------------------- dnl CF_GNAT_TRY_LINK version: 4 updated: 2021/01/01 13:31:04 dnl ---------------- dnl Verify that a test program compiles/links with GNAT. dnl $cf_ada_make is set to the program that compiles/links dnl $ADAFLAGS may be set to the GNAT flags. dnl dnl $1 is the text of the spec dnl $2 is the text of the body dnl $3 is the shell command to execute if successful dnl $4 is the shell command to execute if not successful AC_DEFUN([CF_GNAT_TRY_LINK], [ rm -rf ./conftest* ./*~conftest* cat >>conftest.ads <>conftest.adb <&AC_FD_CC 2>&1 ) ; then ifelse($3,, :,[ $3]) ifelse($4,,,[else $4]) fi rm -rf ./conftest* ./*~conftest* ])dnl dnl --------------------------------------------------------------------------- dnl CF_GNAT_TRY_RUN version: 6 updated: 2021/01/01 13:31:04 dnl --------------- dnl Verify that a test program compiles and runs with GNAT dnl $cf_ada_make is set to the program that compiles/links dnl $ADAFLAGS may be set to the GNAT flags. dnl dnl $1 is the text of the spec dnl $2 is the text of the body dnl $3 is the shell command to execute if successful dnl $4 is the shell command to execute if not successful AC_DEFUN([CF_GNAT_TRY_RUN], [ rm -rf ./conftest* ./*~conftest* cat >>conftest.ads <>conftest.adb <&AC_FD_CC 2>&1 ) ; then if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then ifelse($3,, :,[ $3]) ifelse($4,,,[ else $4]) fi ifelse($4,,,[else $4]) fi rm -rf ./conftest* ./*~conftest* ])dnl dnl --------------------------------------------------------------------------- dnl CF_GNAT_VERSION version: 22 updated: 2019/12/31 08:53:54 dnl --------------- dnl $1 = cache variable to update dnl $2 = program name dnl Verify version of GNAT or related tool AC_DEFUN([CF_GNAT_VERSION], [ AC_CACHE_CHECK(for ifelse($2,,gnat,$2) version, cf_cv_gnat_version,[ cf_cv_gnat_version=`ifelse($2,,${cf_ada_make:-gnatmake},$2) --version 2>&1 | \ grep '[[0-9]].[[0-9]][[0-9]]*' |\ sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'` ]) test -z "$cf_cv_gnat_version" && cf_cv_gnat_version=no ifelse($1,,,[eval $1=$cf_cv_gnat_version; unset cf_cv_gnat_version]) ])dnl dnl --------------------------------------------------------------------------- dnl CF_GNU_SOURCE version: 10 updated: 2018/12/10 20:09:41 dnl ------------- dnl Check if we must define _GNU_SOURCE to get a reasonable value for dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect dnl (or misfeature) of glibc2, which breaks portability of many applications, dnl since it is interwoven with GNU extensions. dnl dnl Well, yes we could work around it... dnl dnl Parameters: dnl $1 is the nominal value for _XOPEN_SOURCE AC_DEFUN([CF_GNU_SOURCE], [ cf_gnu_xopen_source=ifelse($1,,500,$1) AC_CACHE_CHECK(if this is the GNU C library,cf_cv_gnu_library,[ AC_TRY_COMPILE([#include ],[ #if __GLIBC__ > 0 && __GLIBC_MINOR__ >= 0 return 0; #elif __NEWLIB__ > 0 && __NEWLIB_MINOR__ >= 0 return 0; #else # error not GNU C library #endif], [cf_cv_gnu_library=yes], [cf_cv_gnu_library=no]) ]) if test x$cf_cv_gnu_library = xyes; then # With glibc 2.19 (13 years after this check was begun), _DEFAULT_SOURCE # was changed to help a little. newlib incorporated the change about 4 # years later. AC_CACHE_CHECK(if _DEFAULT_SOURCE can be used as a basis,cf_cv_gnu_library_219,[ cf_save="$CPPFLAGS" CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE) AC_TRY_COMPILE([#include ],[ #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 19) || (__GLIBC__ > 2) return 0; #elif (__NEWLIB__ == 2 && __NEWLIB_MINOR__ >= 4) || (__GLIBC__ > 3) return 0; #else # error GNU C library __GLIBC__.__GLIBC_MINOR__ is too old #endif], [cf_cv_gnu_library_219=yes], [cf_cv_gnu_library_219=no]) CPPFLAGS="$cf_save" ]) if test "x$cf_cv_gnu_library_219" = xyes; then cf_save="$CPPFLAGS" AC_CACHE_CHECK(if _XOPEN_SOURCE=$cf_gnu_xopen_source works with _DEFAULT_SOURCE,cf_cv_gnu_dftsrc_219,[ CF_ADD_CFLAGS(-D_DEFAULT_SOURCE -D_XOPEN_SOURCE=$cf_gnu_xopen_source) AC_TRY_COMPILE([ #include #include ],[ #if (_XOPEN_SOURCE >= $cf_gnu_xopen_source) && (MB_LEN_MAX > 1) return 0; #else # error GNU C library is too old #endif], [cf_cv_gnu_dftsrc_219=yes], [cf_cv_gnu_dftsrc_219=no]) ]) test "x$cf_cv_gnu_dftsrc_219" = "xyes" || CPPFLAGS="$cf_save" else cf_cv_gnu_dftsrc_219=maybe fi if test "x$cf_cv_gnu_dftsrc_219" != xyes; then AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[ AC_TRY_COMPILE([#include ],[ #ifndef _XOPEN_SOURCE #error expected _XOPEN_SOURCE to be defined #endif], [cf_cv_gnu_source=no], [cf_save="$CPPFLAGS" CF_ADD_CFLAGS(-D_GNU_SOURCE) AC_TRY_COMPILE([#include ],[ #ifdef _XOPEN_SOURCE #error expected _XOPEN_SOURCE to be undefined #endif], [cf_cv_gnu_source=no], [cf_cv_gnu_source=yes]) CPPFLAGS="$cf_save" ]) ]) if test "$cf_cv_gnu_source" = yes then AC_CACHE_CHECK(if we should also define _DEFAULT_SOURCE,cf_cv_default_source,[ CF_APPEND_TEXT(CPPFLAGS,-D_GNU_SOURCE) AC_TRY_COMPILE([#include ],[ #ifdef _DEFAULT_SOURCE #error expected _DEFAULT_SOURCE to be undefined #endif], [cf_cv_default_source=no], [cf_cv_default_source=yes]) ]) if test "$cf_cv_default_source" = yes then CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE) fi fi fi fi ])dnl dnl --------------------------------------------------------------------------- dnl CF_HEADER_PATH version: 15 updated: 2021/01/01 13:31:04 dnl -------------- dnl Construct a search-list of directories for a nonstandard header-file dnl dnl Parameters dnl $1 = the variable to return as result dnl $2 = the package name AC_DEFUN([CF_HEADER_PATH], [ $1= # collect the current set of include-directories from compiler flags cf_header_path_list="" if test -n "${CFLAGS}${CPPFLAGS}" ; then for cf_header_path in $CPPFLAGS $CFLAGS do case "$cf_header_path" in (-I*) cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'` CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE) cf_header_path_list="$cf_header_path_list [$]$1" ;; esac done fi # add the variations for the package we are looking for CF_SUBDIR_PATH($1,$2,include) test "$includedir" != NONE && \ test "$includedir" != "/usr/include" && \ test -d "$includedir" && { test -d "$includedir" && $1="[$]$1 $includedir" test -d "$includedir/$2" && $1="[$]$1 $includedir/$2" } test "$oldincludedir" != NONE && \ test "$oldincludedir" != "/usr/include" && \ test -d "$oldincludedir" && { test -d "$oldincludedir" && $1="[$]$1 $oldincludedir" test -d "$oldincludedir/$2" && $1="[$]$1 $oldincludedir/$2" } $1="[$]$1 $cf_header_path_list" ])dnl dnl --------------------------------------------------------------------------- dnl CF_HELP_MESSAGE version: 4 updated: 2019/12/31 08:53:54 dnl --------------- dnl Insert text into the help-message, for readability, from AC_ARG_WITH. AC_DEFUN([CF_HELP_MESSAGE], [CF_ACVERSION_CHECK(2.53,[],[ AC_DIVERT_HELP($1)])dnl ])dnl dnl --------------------------------------------------------------------------- dnl CF_INCLUDE_DIRS version: 10 updated: 2014/09/19 20:58:42 dnl --------------- dnl Construct the list of include-options according to whether we're building dnl in the source directory or using '--srcdir=DIR' option. AC_DEFUN([CF_INCLUDE_DIRS], [ if test "$srcdir" != "."; then CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS" fi CPPFLAGS="-I../include $CPPFLAGS" if test "$srcdir" != "."; then CPPFLAGS="-I\${srcdir} $CPPFLAGS" fi CPPFLAGS="-I. $CPPFLAGS" AC_SUBST(CPPFLAGS) ])dnl dnl --------------------------------------------------------------------------- dnl CF_INSTALL_OPTS version: 2 updated: 2018/08/18 12:19:21 dnl --------------- dnl prompt for/fill-in useful install-program options AC_DEFUN([CF_INSTALL_OPTS], [ CF_INSTALL_OPT_S CF_INSTALL_OPT_P CF_INSTALL_OPT_O ])dnl dnl --------------------------------------------------------------------------- dnl CF_INSTALL_OPT_O version: 3 updated: 2020/12/31 20:19:42 dnl ---------------- dnl Almost all "install" programs default to the current user's ownership. dnl Almost - MINIX is an exception. AC_DEFUN([CF_INSTALL_OPT_O], [ AC_MSG_CHECKING(if install needs to be told about ownership) case `$ac_config_guess` in (*minix) with_install_o=yes ;; (*) with_install_o=no ;; esac AC_MSG_RESULT($with_install_o) if test "x$with_install_o" = xyes then INSTALL_OPT_O="`id root|sed -e 's/uid=[[0-9]]*(/ -o /' -e 's/gid=[[0-9]]*(/ -g /' -e 's/ [[^=[:space:]]][[^=[:space:]]]*=.*/ /' -e 's/)//g'`" else INSTALL_OPT_O= fi AC_SUBST(INSTALL_OPT_O) ])dnl dnl --------------------------------------------------------------------------- dnl CF_INSTALL_OPT_P version: 3 updated: 2021/01/01 13:31:04 dnl ---------------- dnl Some install-programs accept a "-p" option to preserve file modification dnl timestamps. That can be useful as an install option, as well as a way to dnl avoid the need for ranlib after copying a static archive. AC_DEFUN([CF_INSTALL_OPT_P], [ : "${INSTALL:=install}" AC_CACHE_CHECK(if install accepts -p option, cf_cv_install_p,[ rm -rf ./conftest* date >conftest.in mkdir conftest.out sleep 3 if $INSTALL -p conftest.in conftest.out 2>/dev/null then if test -f conftest.out/conftest.in then test conftest.in -nt conftest.out/conftest.in 2>conftest.err && \ test conftest.out/conftest.in -nt conftest.in 2>conftest.err if test -s conftest.err then cf_cv_install_p=no else cf_cv_install_p=yes fi else cf_cv_install_p=no fi else cf_cv_install_p=no fi rm -rf ./conftest* ]) ])dnl dnl --------------------------------------------------------------------------- dnl CF_INSTALL_OPT_S version: 3 updated: 2021/01/05 19:23:48 dnl ---------------- dnl By default, we should strip executables which are installed, but leave the dnl ability to suppress that for unit-testing. AC_DEFUN([CF_INSTALL_OPT_S], [ AC_MSG_CHECKING(if you want to install stripped executables) CF_ARG_DISABLE(stripping, [ --disable-stripping do not strip (debug info) installed executables], [enable_stripping=no], [enable_stripping=yes]) AC_MSG_RESULT($enable_stripping) if test "$enable_stripping" = yes then INSTALL_OPT_S="-s" else INSTALL_OPT_S= fi AC_SUBST(INSTALL_OPT_S) ])dnl dnl --------------------------------------------------------------------------- dnl CF_INTEL_COMPILER version: 8 updated: 2021/01/01 16:53:59 dnl ----------------- dnl Check if the given compiler is really the Intel compiler for Linux. It dnl tries to imitate gcc, but does not return an error when it finds a mismatch dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK. dnl dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from dnl the wrappers for gcc and g++ warnings. dnl dnl $1 = GCC (default) or GXX dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS dnl $3 = CFLAGS (default) or CXXFLAGS AC_DEFUN([CF_INTEL_COMPILER],[ AC_REQUIRE([AC_CANONICAL_HOST]) ifelse([$2],,INTEL_COMPILER,[$2])=no if test "$ifelse([$1],,[$1],GCC)" = yes ; then case "$host_os" in (linux*|gnu*) AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler) cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])" ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc" AC_TRY_COMPILE([],[ #ifdef __INTEL_COMPILER #else make an error #endif ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes cf_save_CFLAGS="$cf_save_CFLAGS -we147" ],[]) ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS" AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2])) ;; esac fi ])dnl dnl --------------------------------------------------------------------------- dnl CF_LARGEFILE version: 12 updated: 2020/03/19 20:23:48 dnl ------------ dnl Add checks for large file support. AC_DEFUN([CF_LARGEFILE],[ ifdef([AC_FUNC_FSEEKO],[ AC_SYS_LARGEFILE if test "$enable_largefile" != no ; then AC_FUNC_FSEEKO # Normally we would collect these definitions in the config.h, # but (like _XOPEN_SOURCE), some environments rely on having these # defined before any of the system headers are included. Another # case comes up with C++, e.g., on AIX the compiler compiles the # header files by themselves before looking at the body files it is # told to compile. For ncurses, those header files do not include # the config.h if test "$ac_cv_sys_large_files" != no then CF_APPEND_TEXT(CPPFLAGS,-D_LARGE_FILES) fi if test "$ac_cv_sys_largefile_source" != no then CF_APPEND_TEXT(CPPFLAGS,-D_LARGEFILE_SOURCE) fi if test "$ac_cv_sys_file_offset_bits" != no then CF_APPEND_TEXT(CPPFLAGS,-D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits) fi AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[ AC_TRY_COMPILE([ #pragma GCC diagnostic error "-Wincompatible-pointer-types" #include #include ],[ /* if transitional largefile support is setup, this is true */ extern struct dirent64 * readdir(DIR *); struct dirent64 *x = readdir((DIR *)0); struct dirent *y = readdir((DIR *)0); int z = x - y; (void)z; ], [cf_cv_struct_dirent64=yes], [cf_cv_struct_dirent64=no]) ]) test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64]) fi ]) ]) dnl --------------------------------------------------------------------------- dnl CF_LD_RPATH_OPT version: 9 updated: 2021/01/01 13:31:04 dnl --------------- dnl For the given system and compiler, find the compiler flags to pass to the dnl loader to use the "rpath" feature. AC_DEFUN([CF_LD_RPATH_OPT], [ AC_REQUIRE([CF_CHECK_CACHE]) LD_RPATH_OPT= if test "x$cf_cv_enable_rpath" != xno then AC_MSG_CHECKING(for an rpath option) case "$cf_cv_system_name" in (irix*) if test "$GCC" = yes; then LD_RPATH_OPT="-Wl,-rpath," else LD_RPATH_OPT="-rpath " fi ;; (linux*|gnu*|k*bsd*-gnu|freebsd*) LD_RPATH_OPT="-Wl,-rpath," ;; (openbsd[[2-9]].*|mirbsd*) LD_RPATH_OPT="-Wl,-rpath," ;; (dragonfly*) LD_RPATH_OPT="-rpath " ;; (netbsd*) LD_RPATH_OPT="-Wl,-rpath," ;; (osf*|mls+*) LD_RPATH_OPT="-rpath " ;; (solaris2*) LD_RPATH_OPT="-R" ;; (*) ;; esac AC_MSG_RESULT($LD_RPATH_OPT) case "x$LD_RPATH_OPT" in (x-R*) AC_MSG_CHECKING(if we need a space after rpath option) cf_save_LIBS="$LIBS" CF_ADD_LIBS(${LD_RPATH_OPT}$libdir) AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes) LIBS="$cf_save_LIBS" AC_MSG_RESULT($cf_rpath_space) test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT " ;; esac fi ])dnl dnl --------------------------------------------------------------------------- dnl CF_LIBRARY_PATH version: 11 updated: 2021/01/01 13:31:04 dnl --------------- dnl Construct a search-list of directories for a nonstandard library-file dnl dnl Parameters dnl $1 = the variable to return as result dnl $2 = the package name AC_DEFUN([CF_LIBRARY_PATH], [ $1= cf_library_path_list="" if test -n "${LDFLAGS}${LIBS}" ; then for cf_library_path in $LDFLAGS $LIBS do case "$cf_library_path" in (-L*) cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'` CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE) cf_library_path_list="$cf_library_path_list [$]$1" ;; esac done fi CF_SUBDIR_PATH($1,$2,lib) $1="$cf_library_path_list [$]$1" ])dnl dnl --------------------------------------------------------------------------- dnl CF_LIB_PREFIX version: 14 updated: 2021/01/01 13:31:04 dnl ------------- dnl Compute the library-prefix for the given host system dnl $1 = variable to set define([CF_LIB_PREFIX], [ case "$cf_cv_system_name" in (OS/2*|os2*) if test "$DFT_LWR_MODEL" = libtool; then LIB_PREFIX='lib' else LIB_PREFIX='' fi ;; (*-msvc*) LIB_PREFIX='' ;; (*) LIB_PREFIX='lib' ;; esac ifelse($1,,,[$1=$LIB_PREFIX]) AC_SUBST(LIB_PREFIX) ])dnl dnl --------------------------------------------------------------------------- dnl CF_LIB_SUFFIX version: 28 updated: 2021/01/01 16:53:59 dnl ------------- dnl Compute the library file-suffix from the given model name dnl $1 = model name dnl $2 = variable to set (the nominal library suffix) dnl $3 = dependency variable to set (actual filename) dnl The variable $LIB_SUFFIX, if set, prepends the variable to set. AC_DEFUN([CF_LIB_SUFFIX], [ case X$1 in (Xlibtool) $2='.la' $3=[$]$2 ;; (Xdebug) case "$cf_cv_system_name" in (*-msvc*) $2='_g.lib' ;; (*) $2='_g.a' ;; esac $3=[$]$2 ;; (Xprofile) case "$cf_cv_system_name" in (*-msvc*) $2='_p.lib' ;; (*) $2='_p.a' ;; esac $3=[$]$2 ;; (Xshared) case "$cf_cv_system_name" in (aix[[5-7]]*) $2='.so' $3=[$]$2 ;; (*-msvc*) $2='.dll' $3='.dll.lib' ;; (cygwin*|msys*|mingw*) $2='.dll' $3='.dll.a' ;; (darwin*) $2='.dylib' $3=[$]$2 ;; (hpux*) case "$target" in (ia64*) $2='.so' $3=[$]$2 ;; (*) $2='.sl' $3=[$]$2 ;; esac ;; (*) $2='.so' $3=[$]$2 ;; esac ;; (*) case "$target" in (*-msvc*) $2='.lib' ;; (*) $2='.a' ;; esac $3=[$]$2 ;; esac if test -n "${LIB_SUFFIX}${EXTRA_SUFFIX}" then $2="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$2}" $3="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$3}" fi ])dnl dnl --------------------------------------------------------------------------- dnl CF_LIB_TYPE version: 5 updated: 2015/04/17 21:13:04 dnl ----------- dnl Compute the string to append to -library from the given model name dnl $1 = model name dnl $2 = variable to set dnl The variable $LIB_SUFFIX, if set, prepends the variable to set. AC_DEFUN([CF_LIB_TYPE], [ case $1 in (libtool) $2='' ;; (normal) $2='' ;; (debug) $2='_g' ;; (profile) $2='_p' ;; (shared) $2='' ;; esac test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}" ])dnl dnl --------------------------------------------------------------------------- dnl CF_LINK_DATAONLY version: 13 updated: 2020/02/08 15:59:30 dnl ---------------- dnl Some systems have a non-ANSI linker that doesn't pull in modules that have dnl only data (i.e., no functions), for example NeXT. On those systems we'll dnl have to provide wrappers for global tables to ensure they're linked dnl properly. AC_DEFUN([CF_LINK_DATAONLY], [ AC_MSG_CHECKING([if data-only library module links]) AC_CACHE_VAL(cf_cv_link_dataonly,[ rm -f conftest.a cat >conftest.$ac_ext <&AC_FD_CC 1>/dev/null fi rm -f conftest.$ac_ext data.o cat >conftest.$ac_ext <&AC_FD_CC 1>/dev/null fi rm -f conftest.$ac_ext func.o ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null cf_saveLIBS="$LIBS" LIBS="conftest.a $LIBS" AC_TRY_RUN([ int main(void) { extern int testfunc(); ${cf_cv_main_return:-return} (!testfunc()); } ], [cf_cv_link_dataonly=yes], [cf_cv_link_dataonly=no], [cf_cv_link_dataonly=unknown]) LIBS="$cf_saveLIBS" ]) AC_MSG_RESULT($cf_cv_link_dataonly) if test "$cf_cv_link_dataonly" = no ; then AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link]) BROKEN_LINKER=1 fi AC_SUBST(BROKEN_LINKER) ])dnl dnl --------------------------------------------------------------------------- dnl CF_MAKEFLAGS version: 21 updated: 2021/09/04 06:47:34 dnl ------------ dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make' dnl options to lower-levels. It is very useful for "make -n" -- if we have it. dnl (GNU 'make' does both, something POSIX 'make', which happens to make the dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-) AC_DEFUN([CF_MAKEFLAGS], [AC_REQUIRE([AC_PROG_FGREP])dnl AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[ cf_cv_makeflags='' for cf_option in '-${MAKEFLAGS}' '${MFLAGS}' do cat >cf_makeflags.tmp </dev/null | ${FGREP-fgrep} -v "ing directory" | sed -e 's,[[ ]]*$,,'` case "$cf_result" in (.*k|.*kw) cf_result="`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`" case "$cf_result" in (.*CC=*) cf_cv_makeflags= ;; (*) cf_cv_makeflags=$cf_option ;; esac break ;; (.-) ;; (*) CF_MSG_LOG(given option \"$cf_option\", no match \"$cf_result\") ;; esac done rm -f cf_makeflags.tmp ]) AC_SUBST(cf_cv_makeflags) ])dnl dnl --------------------------------------------------------------------------- dnl CF_MAKE_PHONY version: 3 updated: 2021/01/08 16:08:21 dnl ------------- dnl Check if the make-program handles a ".PHONY" target, e.g,. a target which dnl acts as a placeholder. dnl dnl The ".PHONY" feature was proposed in 2011 here dnl https://www.austingroupbugs.net/view.php?id=523 dnl and is scheduled for release in P1003.1 Issue 8 (late 2022). dnl dnl This is not supported by SVr4 make (or SunOS 4, 4.3SD, etc), but works with dnl a few others (i.e., GNU make and the non-POSIX "BSD" make): dnl dnl + This is a GNU make feature (since April 1988, but in turn from binutils, dnl date unspecified). dnl dnl + It was adopted in NetBSD make in June 1995. dnl dnl + The other BSD make programs are derived from the NetBSD make (and for dnl that reason are not actually different "implementations"). dnl dnl + Some features of NetBSD make were actually adapted from pmake, which dnl began as a modified GNU make starting in 1993. dnl dnl + Version 3.8 of the dmake program in January 1992 also implemented this dnl GNU make extension, but is less well known than the BSD make. AC_DEFUN([CF_MAKE_PHONY],[ AC_CACHE_CHECK(for \".PHONY\" make-support, cf_cv_make_PHONY,[ rm -rf conftest* ( mkdir conftest || exit 1 cd conftest cat >makefile <<'CF_EOF' .PHONY: always DATA=0 always: always.out @echo "** making [$]@ [$](DATA)" once: once.out @echo "** making [$]@ [$](DATA)" always.out: @echo "** making [$]@ [$](DATA)" echo [$](DATA) > [$]@ once.out: @echo "** making [$]@ [$](DATA)" echo [$](DATA) > [$]@ CF_EOF for cf_data in 1 2 3 do ${MAKE:-make} always DATA=$cf_data ${MAKE:-make} once DATA=$cf_data ${MAKE:-make} -t always once if test -f always ; then echo "no (case 1)" > ../conftest.tmp elif test ! -f always.out ; then echo "no (case 2)" > ../conftest.tmp elif test ! -f once.out ; then echo "no (case 3)" > ../conftest.tmp elif ! cmp -s always.out once.out ; then echo "no (case 4)" > ../conftest.tmp diff always.out once.out else cf_check="`cat always.out`" if test "x$cf_check" != "x$cf_data" ; then echo "no (case 5)" > ../conftest.tmp else echo yes > ../conftest.tmp rm -f ./*.out continue fi fi break done ) >&AC_FD_CC 2>&1 cf_cv_make_PHONY="`cat conftest.tmp`" rm -rf conftest* ]) MAKE_NO_PHONY="#" MAKE_PHONY="#" test "x$cf_cv_make_PHONY" = xyes && MAKE_PHONY= test "x$cf_cv_make_PHONY" != xyes && MAKE_NO_PHONY= AC_SUBST(MAKE_NO_PHONY) AC_SUBST(MAKE_PHONY) ])dnl dnl --------------------------------------------------------------------------- dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32 dnl ------------ dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have dnl a monocase filesystem. AC_DEFUN([CF_MAKE_TAGS],[ AC_REQUIRE([CF_MIXEDCASE_FILENAMES]) AC_CHECK_PROGS(CTAGS, exctags ctags) AC_CHECK_PROGS(ETAGS, exetags etags) AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no) if test "$cf_cv_mixedcase" = yes ; then AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no) else MAKE_UPPER_TAGS=no fi if test "$MAKE_UPPER_TAGS" = yes ; then MAKE_UPPER_TAGS= else MAKE_UPPER_TAGS="#" fi if test "$MAKE_LOWER_TAGS" = yes ; then MAKE_LOWER_TAGS= else MAKE_LOWER_TAGS="#" fi AC_SUBST(CTAGS) AC_SUBST(ETAGS) AC_SUBST(MAKE_UPPER_TAGS) AC_SUBST(MAKE_LOWER_TAGS) ])dnl dnl --------------------------------------------------------------------------- dnl CF_MIXEDCASE_FILENAMES version: 9 updated: 2021/01/01 16:53:59 dnl ---------------------- dnl Check if the file-system supports mixed-case filenames. If we're able to dnl create a lowercase name and see it as uppercase, it doesn't support that. AC_DEFUN([CF_MIXEDCASE_FILENAMES], [ AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[ if test "$cross_compiling" = yes ; then case "$target_alias" in (*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*|darwin*) cf_cv_mixedcase=no ;; (*) cf_cv_mixedcase=yes ;; esac else rm -f conftest CONFTEST echo test >conftest if test -f CONFTEST ; then cf_cv_mixedcase=no else cf_cv_mixedcase=yes fi rm -f conftest CONFTEST fi ]) test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.]) ])dnl dnl --------------------------------------------------------------------------- dnl CF_MKSTEMP version: 11 updated: 2021/01/01 13:31:04 dnl ---------- dnl Check for a working mkstemp. This creates two files, checks that they are dnl successfully created and distinct (AmigaOS apparently fails on the last). AC_DEFUN([CF_MKSTEMP],[ AC_CHECK_HEADERS( \ unistd.h \ ) AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[ rm -rf ./conftest* AC_TRY_RUN([ #include #ifdef HAVE_UNISTD_H #include #endif #include #include #include #include int main(void) { char *tmpl = "conftestXXXXXX"; char name[2][80]; int n; int result = 0; int fd; struct stat sb; umask(077); for (n = 0; n < 2; ++n) { strcpy(name[n], tmpl); if ((fd = mkstemp(name[n])) >= 0) { if (!strcmp(name[n], tmpl) || stat(name[n], &sb) != 0 || (sb.st_mode & S_IFMT) != S_IFREG || (sb.st_mode & 077) != 0) { result = 1; } close(fd); } } if (result == 0 && !strcmp(name[0], name[1])) result = 1; ${cf_cv_main_return:-return}(result); } ],[cf_cv_func_mkstemp=yes ],[cf_cv_func_mkstemp=no ],[cf_cv_func_mkstemp=maybe]) ]) if test "x$cf_cv_func_mkstemp" = xmaybe ; then AC_CHECK_FUNC(mkstemp) fi if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then AC_DEFINE(HAVE_MKSTEMP,1,[Define to 1 if mkstemp() is available and working.]) fi ])dnl dnl --------------------------------------------------------------------------- dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32 dnl ---------- dnl Write a debug message to config.log, along with the line number in the dnl configure script. AC_DEFUN([CF_MSG_LOG],[ echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC ])dnl dnl --------------------------------------------------------------------------- dnl CF_NCURSES_ADDON version: 6 updated: 2021/01/04 19:33:05 dnl ---------------- dnl Configure an ncurses add-on, built outside the ncurses tree. AC_DEFUN([CF_NCURSES_ADDON],[ AC_REQUIRE([CF_NCURSES_CONFIG]) AC_PROVIDE([CF_SUBST_NCURSES_VERSION]) AC_MSG_CHECKING(if you want wide-character code) AC_ARG_ENABLE(widec, [ --enable-widec compile with wide-char/UTF-8 code], [with_widec=$enableval], [with_widec=no]) AC_MSG_RESULT($with_widec) if test "$with_widec" = yes ; then CF_UTF8_LIB CF_NCURSES_CONFIG(ncursesw) else CF_NCURSES_CONFIG(ncurses) fi if test "$NCURSES_CONFIG_PKG" != none ; then cf_version=`$PKG_CONFIG --modversion $NCURSES_CONFIG_PKG 2>/dev/null` NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'` NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'` NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'` cf_cv_abi_version=`$PKG_CONFIG --variable=abi_version $NCURSES_CONFIG_PKG 2>/dev/null` if test -z "$cf_cv_abi_version" then cf_cv_abi_version=`$PKG_CONFIG --variable=major_version $NCURSES_CONFIG_PKG 2>/dev/null` fi elif test "$NCURSES_CONFIG" != none ; then cf_version=`$NCURSES_CONFIG --version 2>/dev/null` NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'` NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'` NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'` # ABI version is not available from headers cf_cv_abi_version=`$NCURSES_CONFIG --abi-version 2>/dev/null` else for cf_name in MAJOR MINOR PATCH do cat >conftest.$ac_ext < AUTOCONF_$cf_name NCURSES_VERSION_$cf_name CF_EOF cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out" AC_TRY_EVAL(cf_try) if test -f conftest.out ; then cf_result=`sed -e "s/^.*AUTOCONF_${cf_name}[[ ]][[ ]]*//" conftest.out` eval NCURSES_$cf_name=\"$cf_result\" # cat conftest.$ac_ext # cat conftest.out fi done cf_cv_abi_version=${NCURSES_MAJOR} fi cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR} dnl Show the computed version, for logging cf_cv_timestamp=`date` AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp)) dnl We need these values in the generated headers AC_SUBST(NCURSES_MAJOR) AC_SUBST(NCURSES_MINOR) AC_SUBST(NCURSES_PATCH) dnl We need these values in the generated makefiles AC_SUBST(cf_cv_rel_version) AC_SUBST(cf_cv_abi_version) dnl FIXME - not needed for Ada95 AC_SUBST(cf_cv_builtin_bool) AC_SUBST(cf_cv_header_stdbool_h) AC_SUBST(cf_cv_type_of_bool)dnl ]) dnl --------------------------------------------------------------------------- dnl CF_NCURSES_CC_CHECK version: 5 updated: 2020/12/31 20:19:42 dnl ------------------- dnl Check if we can compile with ncurses' header file dnl $1 is the cache variable to set dnl $2 is the header-file to include dnl $3 is the root name (ncurses or ncursesw) AC_DEFUN([CF_NCURSES_CC_CHECK],[ AC_TRY_COMPILE([ ]ifelse($3,ncursesw,[ #define _XOPEN_SOURCE_EXTENDED #undef HAVE_LIBUTF8_H /* in case we used CF_UTF8_LIB */ #define HAVE_LIBUTF8_H /* to force ncurses' header file to use cchar_t */ ])[ #include <$2>],[ #ifdef NCURSES_VERSION ]ifelse($3,ncursesw,[ #ifndef WACS_BSSB make an error #endif ])[ printf("%s\\n", NCURSES_VERSION); #else #ifdef __NCURSES_H printf("old\\n"); #else make an error #endif #endif ] ,[$1=$2] ,[$1=no]) ])dnl dnl --------------------------------------------------------------------------- dnl CF_NCURSES_CONFIG version: 28 updated: 2021/08/28 15:20:37 dnl ----------------- dnl Tie together the configure-script macros for ncurses, preferring these in dnl order: dnl a) ".pc" files for pkg-config, using $NCURSES_CONFIG_PKG dnl b) the "-config" script from ncurses, using $NCURSES_CONFIG dnl c) just plain libraries dnl dnl $1 is the root library name (default: "ncurses") AC_DEFUN([CF_NCURSES_CONFIG],[ AC_REQUIRE([CF_PKG_CONFIG]) cf_ncuconfig_root=ifelse($1,,ncurses,$1) cf_have_ncuconfig=no if test "x${PKG_CONFIG:=none}" != xnone; then AC_MSG_CHECKING(pkg-config for $cf_ncuconfig_root) if "$PKG_CONFIG" --exists $cf_ncuconfig_root ; then AC_MSG_RESULT(yes) AC_MSG_CHECKING(if the $cf_ncuconfig_root package files work) cf_have_ncuconfig=unknown cf_save_CFLAGS="$CFLAGS" cf_save_CPPFLAGS="$CPPFLAGS" cf_save_LIBS="$LIBS" cf_pkg_cflags="`$PKG_CONFIG --cflags $cf_ncuconfig_root`" cf_pkg_libs="`$PKG_CONFIG --libs $cf_ncuconfig_root`" # while -W for passing linker flags is prevalent, it is not "standard". # At least one wrapper for c89/c99 (in Apple's xcode) has its own # incompatible _and_ non-standard -W option which gives an error. Work # around that pitfall. case "x${CC}@@${cf_pkg_libs}@${cf_pkg_cflags}" in (x*c[[89]]9@@*-W*) CF_ADD_CFLAGS($cf_pkg_cflags) CF_ADD_LIBS($cf_pkg_libs) AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>], [initscr(); mousemask(0,0); tigetstr((char *)0);], [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}> int main(void) { const char *xx = curses_version(); return (xx == 0); }], [cf_test_ncuconfig=yes], [cf_test_ncuconfig=no], [cf_test_ncuconfig=maybe])], [cf_test_ncuconfig=no]) CFLAGS="$cf_save_CFLAGS" CPPFLAGS="$cf_save_CPPFLAGS" LIBS="$cf_save_LIBS" if test "x$cf_test_ncuconfig" != xyes; then cf_temp=`echo "x$cf_pkg_cflags" | sed -e s/^x// -e 's/-W[[^ ]]*//g'` cf_pkg_cflags="$cf_temp" cf_temp=`echo "x$cf_pkg_libs" | sed -e s/^x// -e 's/-W[[^ ]]*//g'` cf_pkg_libs="$cf_temp" fi ;; esac CF_APPEND_CFLAGS($cf_pkg_cflags) CF_ADD_LIBS($cf_pkg_libs) AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>], [initscr(); mousemask(0,0); tigetstr((char *)0);], [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}> int main(void) { const char *xx = curses_version(); return (xx == 0); }], [cf_have_ncuconfig=yes], [cf_have_ncuconfig=no], [cf_have_ncuconfig=maybe])], [cf_have_ncuconfig=no]) AC_MSG_RESULT($cf_have_ncuconfig) test "$cf_have_ncuconfig" = maybe && cf_have_ncuconfig=yes if test "$cf_have_ncuconfig" != "yes" then CPPFLAGS="$cf_save_CPPFLAGS" LIBS="$cf_save_LIBS" NCURSES_CONFIG_PKG=none else AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries]) NCURSES_CONFIG_PKG=$cf_ncuconfig_root CF_TERM_HEADER fi else AC_MSG_RESULT(no) NCURSES_CONFIG_PKG=none fi else NCURSES_CONFIG_PKG=none fi if test "x$cf_have_ncuconfig" = "xno"; then cf_ncurses_config="${cf_ncuconfig_root}${NCURSES_CONFIG_SUFFIX}-config"; echo "Looking for ${cf_ncurses_config}" CF_ACVERSION_CHECK(2.52, [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)], [AC_PATH_PROGS(NCURSES_CONFIG, ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)]) if test "$NCURSES_CONFIG" != none ; then CF_APPEND_CFLAGS(`$NCURSES_CONFIG --cflags`) CF_ADD_LIBS(`$NCURSES_CONFIG --libs`) # even with config script, some packages use no-override for curses.h CF_CURSES_HEADER(ifelse($1,,ncurses,$1)) dnl like CF_NCURSES_CPPFLAGS AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries]) dnl like CF_NCURSES_LIBS CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root) AC_DEFINE_UNQUOTED($cf_nculib_ROOT) dnl like CF_NCURSES_VERSION cf_cv_ncurses_version="`$NCURSES_CONFIG --version`" else CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1)) CF_NCURSES_LIBS(ifelse($1,,ncurses,$1)) fi else NCURSES_CONFIG=none fi ])dnl dnl --------------------------------------------------------------------------- dnl CF_NCURSES_CPPFLAGS version: 22 updated: 2021/01/02 09:31:20 dnl ------------------- dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting dnl the CPPFLAGS variable so we can include its header. dnl dnl The header files may be installed as either curses.h, or ncurses.h (would dnl be obsolete, except that some packagers prefer this name to distinguish it dnl from a "native" curses implementation). If not installed for overwrite, dnl the curses.h file would be in an ncurses subdirectory (e.g., dnl /usr/include/ncurses), but someone may have installed overwriting the dnl vendor's curses. Only very old versions (pre-1.9.2d, the first autoconf'd dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in dnl the header. dnl dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header dnl is already in the include-path, don't even bother with this, since we cannot dnl easily determine which file it is. In this case, it has to be . dnl dnl The optional parameter gives the root name of the library, in case it is dnl not installed as the default curses library. That is how the dnl wide-character version of ncurses is installed. AC_DEFUN([CF_NCURSES_CPPFLAGS], [AC_REQUIRE([CF_WITH_CURSES_DIR]) AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl cf_ncuhdr_root=ifelse($1,,ncurses,$1) test -n "$cf_cv_curses_dir" && \ test "$cf_cv_curses_dir" != "no" && { \ CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root) } AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[ cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h" { test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw; } && cf_header_list="$cf_header_list curses.h ncurses.h" for cf_header in $cf_header_list do CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1) test "$cf_cv_ncurses_h" != no && break done ]) CF_NCURSES_HEADER CF_TERM_HEADER # some applications need this, but should check for NCURSES_VERSION AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries]) CF_NCURSES_VERSION ])dnl dnl --------------------------------------------------------------------------- dnl CF_NCURSES_HEADER version: 7 updated: 2021/01/04 19:33:05 dnl ----------------- dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common dnl variations of ncurses' installs. dnl dnl See also CF_CURSES_HEADER, which sets the same cache variable. AC_DEFUN([CF_NCURSES_HEADER],[ if test "$cf_cv_ncurses_h" != no ; then cf_cv_ncurses_header=$cf_cv_ncurses_h else AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[ test -n "$verbose" && echo CF_HEADER_PATH(cf_search,$cf_ncuhdr_root) test -n "$verbose" && echo "search path $cf_search" cf_save2_CPPFLAGS="$CPPFLAGS" for cf_incdir in $cf_search do CF_ADD_INCDIR($cf_incdir) for cf_header in \ ncurses.h \ curses.h do CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1) if test "$cf_cv_ncurses_h2" != no ; then cf_cv_ncurses_h2=$cf_incdir/$cf_header test -n "$verbose" && echo $ECHO_N " ... found $ECHO_C" 1>&AC_FD_MSG break fi test -n "$verbose" && echo " ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG done CPPFLAGS="$cf_save2_CPPFLAGS" test "$cf_cv_ncurses_h2" != no && break done test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found) ]) CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2) cf_cv_ncurses_header="`basename "$cf_cv_ncurses_h2"`" if test "`basename "$cf_1st_incdir"`" = "$cf_ncuhdr_root" ; then cf_cv_ncurses_header="$cf_ncuhdr_root/$cf_cv_ncurses_header" fi CF_ADD_INCDIR($cf_1st_incdir) fi # Set definitions to allow ifdef'ing for ncurses.h case "$cf_cv_ncurses_header" in (*ncurses.h) AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h]) ;; esac case "$cf_cv_ncurses_header" in (ncurses/curses.h|ncurses/ncurses.h) AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h]) ;; (ncursesw/curses.h|ncursesw/ncurses.h) AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h]) ;; esac ])dnl dnl --------------------------------------------------------------------------- dnl CF_NCURSES_LIBS version: 21 updated: 2021/09/04 06:37:12 dnl --------------- dnl Look for the ncurses library. This is a little complicated on Linux, dnl because it may be linked with the gpm (general purpose mouse) library. dnl Some distributions have gpm linked with (bsd) curses, which makes it dnl unusable with ncurses. However, we don't want to link with gpm unless dnl ncurses has a dependency, since gpm is normally set up as a shared library, dnl and the linker will record a dependency. dnl dnl The optional parameter gives the root name of the library, in case it is dnl not installed as the default curses library. That is how the dnl wide-character version of ncurses is installed. AC_DEFUN([CF_NCURSES_LIBS], [AC_REQUIRE([CF_NCURSES_CPPFLAGS]) cf_nculib_root=ifelse($1,,ncurses,$1) # This works, except for the special case where we find gpm, but # ncurses is in a nonstandard location via $LIBS, and we really want # to link gpm. cf_ncurses_LIBS="" cf_ncurses_SAVE="$LIBS" AC_CHECK_LIB(gpm,Gpm_Open, [AC_CHECK_LIB(gpm,initscr, [LIBS="$cf_ncurses_SAVE"], [cf_ncurses_LIBS="-lgpm"])]) case "$host_os" in (freebsd*) # This is only necessary if you are linking against an obsolete # version of ncurses (but it should do no harm, since it is static). if test "$cf_nculib_root" = ncurses ; then AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"]) fi ;; esac CF_ADD_LIBS($cf_ncurses_LIBS) if test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" then CF_ADD_LIBS(-l$cf_nculib_root) else CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root, [#include <${cf_cv_ncurses_header:-curses.h}>], [initscr()], initscr) fi if test -n "$cf_ncurses_LIBS" ; then AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS) cf_ncurses_SAVE="$LIBS" for p in $cf_ncurses_LIBS ; do q=`echo "$LIBS" | sed -e "s%$p %%" -e "s%$p$%%"` if test "$q" != "$LIBS" ; then LIBS="$q" fi done AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>], [initscr(); mousemask(0,0); tigetstr((char *)0);], [AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no) LIBS="$cf_ncurses_SAVE"]) fi CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root) AC_DEFINE_UNQUOTED($cf_nculib_ROOT) ])dnl dnl --------------------------------------------------------------------------- dnl CF_NCURSES_VERSION version: 16 updated: 2020/12/31 20:19:42 dnl ------------------ dnl Check for the version of ncurses, to aid in reporting bugs, etc. dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS. We don't use dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi. AC_DEFUN([CF_NCURSES_VERSION], [ AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[ cf_cv_ncurses_version=no cf_tempfile=out$$ rm -f "$cf_tempfile" AC_TRY_RUN([ #include <${cf_cv_ncurses_header:-curses.h}> #include int main(void) { FILE *fp = fopen("$cf_tempfile", "w"); #ifdef NCURSES_VERSION # ifdef NCURSES_VERSION_PATCH fprintf(fp, "%s.%d\\n", NCURSES_VERSION, NCURSES_VERSION_PATCH); # else fprintf(fp, "%s\\n", NCURSES_VERSION); # endif #else # ifdef __NCURSES_H fprintf(fp, "old\\n"); # else make an error # endif #endif ${cf_cv_main_return:-return}(0); }],[ cf_cv_ncurses_version=`cat $cf_tempfile`],,[ # This will not work if the preprocessor splits the line after the # Autoconf token. The 'unproto' program does that. cat > "conftest.$ac_ext" < #undef Autoconf #ifdef NCURSES_VERSION Autoconf NCURSES_VERSION #else #ifdef __NCURSES_H Autoconf "old" #endif ; #endif EOF cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out" AC_TRY_EVAL(cf_try) if test -f conftest.out ; then cf_out=`sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%' conftest.out` test -n "$cf_out" && cf_cv_ncurses_version="$cf_out" rm -f conftest.out fi ]) rm -f "$cf_tempfile" ]) test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries]) ])dnl dnl --------------------------------------------------------------------------- dnl CF_OBJ_SUBDIR version: 8 updated: 2021/01/01 13:31:04 dnl ------------- dnl Compute the object-directory name from the given model name AC_DEFUN([CF_OBJ_SUBDIR], [ case $1 in (libtool) $2='obj_lo' ;; (normal) $2='objects' ;; (debug) $2='obj_g' ;; (profile) $2='obj_p' ;; (shared) case "$cf_cv_system_name" in (cygwin|msys) $2='objects' ;; (*) $2='obj_s' ;; esac esac ])dnl dnl --------------------------------------------------------------------------- dnl CF_PATHSEP version: 8 updated: 2021/01/01 13:31:04 dnl ---------- dnl Provide a value for the $PATH and similar separator (or amend the value dnl as provided in autoconf 2.5x). AC_DEFUN([CF_PATHSEP], [ AC_MSG_CHECKING(for PATH separator) case "$cf_cv_system_name" in (os2*) PATH_SEPARATOR=';' ;; (*) ${PATH_SEPARATOR:=':'} ;; esac ifelse([$1],,,[$1=$PATH_SEPARATOR]) AC_SUBST(PATH_SEPARATOR) AC_MSG_RESULT($PATH_SEPARATOR) ])dnl dnl --------------------------------------------------------------------------- dnl CF_PATH_SYNTAX version: 18 updated: 2020/12/31 18:40:20 dnl -------------- dnl Check the argument to see that it looks like a pathname. Rewrite it if it dnl begins with one of the prefix/exec_prefix variables, and then again if the dnl result begins with 'NONE'. This is necessary to work around autoconf's dnl delayed evaluation of those symbols. AC_DEFUN([CF_PATH_SYNTAX],[ if test "x$prefix" != xNONE; then cf_path_syntax="$prefix" else cf_path_syntax="$ac_default_prefix" fi case ".[$]$1" in (.\[$]\(*\)*|.\'*\'*) ;; (..|./*|.\\*) ;; (.[[a-zA-Z]]:[[\\/]]*) # OS/2 EMX ;; (.\[$]\{*prefix\}*|.\[$]\{*dir\}*) eval $1="[$]$1" case ".[$]$1" in (.NONE/*) $1=`echo "[$]$1" | sed -e s%NONE%$cf_path_syntax%` ;; esac ;; (.no|.NONE/*) $1=`echo "[$]$1" | sed -e s%NONE%$cf_path_syntax%` ;; (*) ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2) ;; esac ])dnl dnl --------------------------------------------------------------------------- dnl CF_PKG_CONFIG version: 11 updated: 2021/01/01 13:31:04 dnl ------------- dnl Check for the package-config program, unless disabled by command-line. AC_DEFUN([CF_PKG_CONFIG], [ AC_MSG_CHECKING(if you want to use pkg-config) AC_ARG_WITH(pkg-config, [ --with-pkg-config{=path} enable/disable use of pkg-config], [cf_pkg_config=$withval], [cf_pkg_config=yes]) AC_MSG_RESULT($cf_pkg_config) case "$cf_pkg_config" in (no) PKG_CONFIG=none ;; (yes) CF_ACVERSION_CHECK(2.52, [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)], [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)]) ;; (*) PKG_CONFIG=$withval ;; esac test -z "$PKG_CONFIG" && PKG_CONFIG=none if test "$PKG_CONFIG" != none ; then CF_PATH_SYNTAX(PKG_CONFIG) elif test "x$cf_pkg_config" != xno ; then AC_MSG_WARN(pkg-config is not installed) fi AC_SUBST(PKG_CONFIG) ])dnl dnl --------------------------------------------------------------------------- dnl CF_POSIX_C_SOURCE version: 11 updated: 2018/12/31 20:46:17 dnl ----------------- dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed. dnl dnl POSIX.1-1990 _POSIX_SOURCE dnl POSIX.1-1990 and _POSIX_SOURCE and dnl POSIX.2-1992 C-Language _POSIX_C_SOURCE=2 dnl Bindings Option dnl POSIX.1b-1993 _POSIX_C_SOURCE=199309L dnl POSIX.1c-1996 _POSIX_C_SOURCE=199506L dnl X/Open 2000 _POSIX_C_SOURCE=200112L dnl dnl Parameters: dnl $1 is the nominal value for _POSIX_C_SOURCE AC_DEFUN([CF_POSIX_C_SOURCE], [AC_REQUIRE([CF_POSIX_VISIBLE])dnl if test "$cf_cv_posix_visible" = no; then cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1]) cf_save_CFLAGS="$CFLAGS" cf_save_CPPFLAGS="$CPPFLAGS" CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE) CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE) AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[ CF_MSG_LOG(if the symbol is already defined go no further) AC_TRY_COMPILE([#include ],[ #ifndef _POSIX_C_SOURCE make an error #endif], [cf_cv_posix_c_source=no], [cf_want_posix_source=no case .$cf_POSIX_C_SOURCE in (.[[12]]??*) cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE" ;; (.2) cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE" cf_want_posix_source=yes ;; (.*) cf_want_posix_source=yes ;; esac if test "$cf_want_posix_source" = yes ; then AC_TRY_COMPILE([#include ],[ #ifdef _POSIX_SOURCE make an error #endif],[], cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE") fi CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE) CFLAGS="$cf_trim_CFLAGS" CPPFLAGS="$cf_trim_CPPFLAGS" CF_APPEND_TEXT(CPPFLAGS,$cf_cv_posix_c_source) CF_MSG_LOG(if the second compile does not leave our definition intact error) AC_TRY_COMPILE([#include ],[ #ifndef _POSIX_C_SOURCE make an error #endif],, [cf_cv_posix_c_source=no]) CFLAGS="$cf_save_CFLAGS" CPPFLAGS="$cf_save_CPPFLAGS" ]) ]) if test "$cf_cv_posix_c_source" != no ; then CFLAGS="$cf_trim_CFLAGS" CPPFLAGS="$cf_trim_CPPFLAGS" CF_ADD_CFLAGS($cf_cv_posix_c_source) fi fi # cf_cv_posix_visible ])dnl dnl --------------------------------------------------------------------------- dnl CF_POSIX_VISIBLE version: 1 updated: 2018/12/31 20:46:17 dnl ---------------- dnl POSIX documents test-macros which an application may set before any system dnl headers are included to make features available. dnl dnl Some BSD platforms (originally FreeBSD, but copied by a few others) dnl diverged from POSIX in 2002 by setting symbols which make all of the most dnl recent features visible in the system header files unless the application dnl overrides the corresponding test-macros. Doing that introduces portability dnl problems. dnl dnl This macro makes a special check for the symbols used for this, to avoid a dnl conflicting definition. AC_DEFUN([CF_POSIX_VISIBLE], [ AC_CACHE_CHECK(if the POSIX test-macros are already defined,cf_cv_posix_visible,[ AC_TRY_COMPILE([#include ],[ #if defined(__POSIX_VISIBLE) && ((__POSIX_VISIBLE - 0L) > 0) \ && defined(__XSI_VISIBLE) && ((__XSI_VISIBLE - 0L) > 0) \ && defined(__BSD_VISIBLE) && ((__BSD_VISIBLE - 0L) > 0) \ && defined(__ISO_C_VISIBLE) && ((__ISO_C_VISIBLE - 0L) > 0) #error conflicting symbols found #endif ],[cf_cv_posix_visible=no],[cf_cv_posix_visible=yes]) ]) ])dnl dnl --------------------------------------------------------------------------- dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22 dnl ---------- dnl Check for archiver "ar". AC_DEFUN([CF_PROG_AR],[ AC_CHECK_TOOL(AR, ar, ar) ]) dnl --------------------------------------------------------------------------- dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59 dnl ----------- dnl Check for awk, ensure that the check found something. AC_DEFUN([CF_PROG_AWK], [ AC_PROG_AWK test -z "$AWK" && AC_MSG_ERROR(No awk program found) ])dnl dnl --------------------------------------------------------------------------- dnl CF_PROG_CC version: 5 updated: 2019/12/31 08:53:54 dnl ---------- dnl standard check for CC, plus followup sanity checks dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name AC_DEFUN([CF_PROG_CC],[ CF_ACVERSION_CHECK(2.53, [AC_MSG_WARN(this will incorrectly handle gnatgcc choice) AC_REQUIRE([AC_PROG_CC])], []) ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)]) CF_GCC_VERSION CF_ACVERSION_CHECK(2.52, [AC_PROG_CC_STDC], [CF_ANSI_CC_REQD]) CF_CC_ENV_FLAGS ])dnl dnl --------------------------------------------------------------------------- dnl CF_PROG_CC_C_O version: 6 updated: 2021/01/01 13:31:04 dnl -------------- dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that dnl the output file can be renamed, and allows for a shell variable that can dnl be used later. The parameter is either CC or CXX. The result is the dnl cache variable: dnl $cf_cv_prog_CC_c_o dnl $cf_cv_prog_CXX_c_o dnl dnl $1 = compiler dnl $2 = compiler options, if any AC_DEFUN([CF_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])dnl AC_MSG_CHECKING([whether [$]$1 understands -c and -o together]) AC_CACHE_VAL(cf_cv_prog_$1_c_o, [ cat > conftest.$ac_ext </dev/null 2>&1 then ac_cv_prog_egrep='grep -E' else ac_cv_prog_egrep='egrep' fi]) EGREP=$ac_cv_prog_egrep AC_SUBST([EGREP]) test -z "$EGREP" && AC_MSG_ERROR(No egrep program found) ])dnl dnl --------------------------------------------------------------------------- dnl CF_PROG_EXT version: 15 updated: 2021/01/02 09:31:20 dnl ----------- dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX. AC_DEFUN([CF_PROG_EXT], [ AC_REQUIRE([CF_CHECK_CACHE]) case "$cf_cv_system_name" in (os2*) CFLAGS="$CFLAGS -Zmt" CF_APPEND_TEXT(CPPFLAGS,-D__ST_MT_ERRNO__) CXXFLAGS="$CXXFLAGS -Zmt" # autoconf's macro sets -Zexe and suffix both, which conflict:w LDFLAGS="$LDFLAGS -Zmt -Zcrtdll" ac_cv_exeext=.exe ;; esac AC_EXEEXT AC_OBJEXT PROG_EXT="$EXEEXT" AC_SUBST(PROG_EXT) test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT",[Define to the program extension (normally blank)]) ])dnl dnl --------------------------------------------------------------------------- dnl CF_PROG_GNAT version: 12 updated: 2021/01/02 17:09:14 dnl ------------ dnl Check for gnat/gnatmake/etc, ensure that the toolset is complete. AC_DEFUN([CF_PROG_GNAT],[ for cf_prog_gnat in gnat gnatmake gprconfig gprbuild do CF_UPPER(cf_upper_prog_gnat,${cf_prog_gnat}) unset ac_cv_path_cf_TEMP_gnat unset cf_TEMP_gnat AC_PATH_PROG(cf_TEMP_gnat,$cf_prog_gnat,no) eval "cf_cv_PATH_$cf_upper_prog_gnat=[$]ac_cv_path_cf_TEMP_gnat" if test "x$cf_TEMP_gnat" != xno; then unset cf_cv_gnat_version unset cf_TEMP_gnat CF_GNAT_VERSION(cf_TEMP_gnat,$cf_prog_gnat) fi eval "cf_cv_VERSION_$cf_upper_prog_gnat=[$]cf_TEMP_gnat" unset cf_TEMP_gnat unset cf_cv_gnat_version unset ac_cv_path_cf_TEMP_gnat done if test "x$cf_cv_VERSION_GNATMAKE" = "xno"; then cf_ada_make= cf_cv_prog_gnat_correct=no else cf_ada_make=gnatmake if test "x$cf_cv_VERSION_GPRCONFIG" = "xno"; then # gprconfig is newer than gnatmake; we can continue... cf_ada_config="##" else rm -rf ./conftest* ./*~conftest* if mkdir conftest.src then cf_ada_config="" cd conftest.src for cf_gprconfig in Ada C do AC_MSG_CHECKING(for gprconfig name for $cf_gprconfig) if test "$cf_gprconfig" = C then for cf_gprconfig_param in \ "$cf_gprconfig,,,,GNATGCC" \ "$cf_gprconfig,,,,GCC" \ "$cf_gprconfig" do cf_gprconfig_value=`echo s| gprconfig --config=$cf_gprconfig_param 2>&AC_FD_CC | ${AWK:-awk} '/^\*/{print [$]3;}' | head -n 1` test -n "$cf_gprconfig_value" && break done else cf_gprconfig_param=$cf_gprconfig cf_gprconfig_value=`echo s| gprconfig --config=$cf_gprconfig_param 2>&AC_FD_CC | ${AWK:-awk} '/^\*/{print [$]3;}' | head -n 1` fi if test -n "$cf_gprconfig_value" then eval "cf_ada_config_[$]cf_gprconfig=[$]cf_gprconfig_value" AC_MSG_RESULT($cf_gprconfig_value) else AC_MSG_RESULT(missing) cf_ada_config="#" break fi done cd .. rm -rf ./conftest* ./*~conftest* fi fi if test "x$cf_ada_config" != "x#" then CF_GNAT_VERSION CF_CHECK_GNAT_VERSION AC_CHECK_PROG(M4_exists, m4, yes, no) if test "$ac_cv_prog_M4_exists" = no; then cf_cv_prog_gnat_correct=no AC_MSG_WARN(Ada95 binding required program m4 not found. Ada95 binding disabled) fi if test "$cf_cv_prog_gnat_correct" = yes; then AC_MSG_CHECKING(if GNAT works) CF_GNAT_TRY_RUN([procedure conftest;], [with Text_IO; with GNAT.OS_Lib; procedure conftest is begin Text_IO.Put ("Hello World"); Text_IO.New_Line; GNAT.OS_Lib.OS_Exit (0); end conftest;], [cf_cv_prog_gnat_correct=yes], [cf_cv_prog_gnat_correct=no]) AC_MSG_RESULT($cf_cv_prog_gnat_correct) fi else cf_cv_prog_gnat_correct=no fi fi AC_SUBST(cf_ada_make) AC_SUBST(cf_ada_config) AC_SUBST(cf_ada_config_Ada) AC_SUBST(cf_ada_config_C) ])dnl dnl --------------------------------------------------------------------------- dnl CF_PROG_INSTALL version: 10 updated: 2021/01/04 19:33:05 dnl --------------- dnl Force $INSTALL to be an absolute-path. Otherwise, edit_man.sh and the dnl misc/tabset install won't work properly. Usually this happens only when dnl using the fallback mkinstalldirs script AC_DEFUN([CF_PROG_INSTALL], [AC_PROG_INSTALL case $INSTALL in (/*) ;; (*) CF_DIRNAME(cf_dir,$INSTALL) test -z "$cf_dir" && cf_dir=. INSTALL="`cd \"$cf_dir\" && pwd`"/"`echo "$INSTALL" | sed -e 's%^.*/%%'`" ;; esac ])dnl dnl --------------------------------------------------------------------------- dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37 dnl ------------ dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f" dnl option if it is supported. AC_DEFUN([CF_PROG_LN_S],[ AC_PROG_LN_S AC_MSG_CHECKING(if $LN_S -f options work) rm -f conf$$.src conf$$dst echo >conf$$.dst echo first >conf$$.src if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then cf_prog_ln_sf=yes else cf_prog_ln_sf=no fi rm -f conf$$.dst conf$$src AC_MSG_RESULT($cf_prog_ln_sf) test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f" ])dnl dnl --------------------------------------------------------------------------- dnl CF_REMOVE_CFLAGS version: 3 updated: 2021/09/05 17:25:40 dnl ---------------- dnl Remove a given option from CFLAGS/CPPFLAGS dnl $1 = option to remove dnl $2 = variable to update dnl $3 = nonempty to allow verbose message define([CF_REMOVE_CFLAGS], [ cf_tmp_cflag=`echo "x$1" | sed -e 's/^.//' -e 's/=.*//'` while true do cf_old_cflag=`echo "x[$]$2" | sed -e 's/^.//' -e 's/[[ ]][[ ]]*-/ -/g' -e "s%$cf_tmp_cflag\\(=[[^ ]][[^ ]]*\\)\?%%" -e 's/^[[ ]]*//' -e 's%[[ ]][[ ]]*-D% -D%g' -e 's%[[ ]][[ ]]*-I% -I%g'` test "[$]$2" != "$cf_old_cflag" || break ifelse([$3],,,[CF_VERBOSE(removing old option $1 from $2)]) $2="$cf_old_cflag" done ])dnl dnl --------------------------------------------------------------------------- dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50 dnl ---------------- dnl Remove all -U and -D options that refer to the given symbol from a list dnl of C compiler options. This works around the problem that not all dnl compilers process -U and -D options from left-to-right, so a -U option dnl cannot be used to cancel the effect of a preceding -D option. dnl dnl $1 = target (which could be the same as the source variable) dnl $2 = source (including '$') dnl $3 = symbol to remove define([CF_REMOVE_DEFINE], [ $1=`echo "$2" | \ sed -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[[ ]]/ /g' \ -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[$]//g'` ])dnl dnl --------------------------------------------------------------------------- dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52 dnl ------------- dnl Remove the given library from the symbol dnl dnl $1 = target (which could be the same as the source variable) dnl $2 = source (including '$') dnl $3 = library to remove define([CF_REMOVE_LIB], [ # remove $3 library from $2 $1=`echo "$2" | sed -e 's/-l$3[[ ]]//g' -e 's/-l$3[$]//'` ])dnl dnl --------------------------------------------------------------------------- dnl CF_RESTORE_XTRA_FLAGS version: 1 updated: 2020/01/11 16:47:45 dnl --------------------- dnl Restore flags saved in CF_SAVE_XTRA_FLAGS dnl $1 = name of current macro define([CF_RESTORE_XTRA_FLAGS], [ LIBS="$cf_save_LIBS_$1" CFLAGS="$cf_save_CFLAGS_$1" CPPFLAGS="$cf_save_CPPFLAGS_$1" ])dnl dnl --------------------------------------------------------------------------- dnl CF_SAVE_XTRA_FLAGS version: 1 updated: 2020/01/11 16:46:44 dnl ------------------ dnl Use this macro to save CFLAGS/CPPFLAGS/LIBS before checks against X headers dnl and libraries which do not update those variables. dnl dnl $1 = name of current macro define([CF_SAVE_XTRA_FLAGS], [ cf_save_LIBS_$1="$LIBS" cf_save_CFLAGS_$1="$CFLAGS" cf_save_CPPFLAGS_$1="$CPPFLAGS" LIBS="$LIBS ${X_PRE_LIBS} ${X_LIBS} ${X_EXTRA_LIBS}" for cf_X_CFLAGS in $X_CFLAGS do case "x$cf_X_CFLAGS" in x-[[IUD]]*) CPPFLAGS="$CPPFLAGS $cf_X_CFLAGS" ;; *) CFLAGS="$CFLAGS $cf_X_CFLAGS" ;; esac done ])dnl dnl --------------------------------------------------------------------------- dnl CF_SHARED_OPTS version: 107 updated: 2021/09/04 06:47:34 dnl -------------- dnl -------------- dnl Attempt to determine the appropriate CC/LD options for creating a shared dnl library. dnl dnl Notes: dnl a) ${LOCAL_LDFLAGS} is used to link executables that will run within dnl the build-tree, i.e., by making use of the libraries that are compiled in dnl $rel_builddir/lib We avoid compiling-in a $rel_builddir/lib path for the dnl shared library since that can lead to unexpected results at runtime. dnl b) ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared dnl libraries are compiled in ../../lib dnl dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure dnl to install symbolic links to the rel/abi versions of shared libraries. dnl dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi dnl version when making symbolic links. dnl dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library dnl version numbers are infix (ex: libncurses..dylib) or postfix dnl (ex: libncurses.so.). dnl dnl Some loaders leave 'so_locations' lying around. It is nice to clean up. AC_DEFUN([CF_SHARED_OPTS], [ AC_REQUIRE([CF_LD_RPATH_OPT]) RM_SHARED_OPTS= LOCAL_LDFLAGS= LOCAL_LDFLAGS2= LD_SHARED_OPTS= INSTALL_LIB="-m 644" : ${rel_builddir:=.} shlibdir=$libdir AC_SUBST(shlibdir) MAKE_DLLS="#" AC_SUBST(MAKE_DLLS) cf_cv_do_symlinks=no cf_ld_rpath_opt= test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT" AC_MSG_CHECKING(if release/abi version should be used for shared libs) AC_ARG_WITH(shlib-version, [ --with-shlib-version=X Specify rel or abi version for shared libs], [test -z "$withval" && withval=auto case "$withval" in (yes) cf_cv_shlib_version=auto ;; (rel|abi|auto) cf_cv_shlib_version=$withval ;; (*) AC_MSG_RESULT($withval) AC_MSG_ERROR([option value must be one of: rel, abi, or auto]) ;; esac ],[cf_cv_shlib_version=auto]) AC_MSG_RESULT($cf_cv_shlib_version) cf_cv_rm_so_locs=no cf_try_cflags= # Some less-capable ports of gcc support only -fpic CC_SHARED_OPTS= cf_try_fPIC=no if test "$GCC" = yes then cf_try_fPIC=yes else case "$cf_cv_system_name" in (*linux*) # e.g., PGI compiler cf_try_fPIC=yes ;; esac fi if test "$cf_try_fPIC" = yes then AC_MSG_CHECKING(which $CC option to use) cf_save_CFLAGS="$CFLAGS" for CC_SHARED_OPTS in -fPIC -fpic '' do CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS" AC_TRY_COMPILE([#include ],[int x = 1],[break],[]) done AC_MSG_RESULT($CC_SHARED_OPTS) CFLAGS="$cf_save_CFLAGS" fi cf_cv_shlib_version_infix=no case "$cf_cv_system_name" in (aix4.[3-9]*|aix[[5-7]]*) if test "$GCC" = yes; then CC_SHARED_OPTS='-Wl,-brtl' MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@' else CC_SHARED_OPTS='-brtl' # as well as '-qpic=large -G' or perhaps "-bM:SRE -bnoentry -bexpall" MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@' fi ;; (beos*) MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0' ;; (cygwin*) CC_SHARED_OPTS= MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}' RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a" cf_cv_shlib_version=cygdll cf_cv_shlib_version_infix=cygdll shlibdir=$bindir MAKE_DLLS= cat >mk_shared_lib.sh <<-CF_EOF #!$SHELL SHARED_LIB=\[$]1 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\` shift cat <<-EOF Linking shared library ** SHARED_LIB \[$]SHARED_LIB ** IMPORT_LIB \[$]IMPORT_LIB EOF exec \[$]* ${LDFLAGS} -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB} CF_EOF chmod +x mk_shared_lib.sh ;; (msys*) CC_SHARED_OPTS= MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}' RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a" cf_cv_shlib_version=msysdll cf_cv_shlib_version_infix=msysdll shlibdir=$bindir MAKE_DLLS= cat >mk_shared_lib.sh <<-CF_EOF #!$SHELL SHARED_LIB=\[$]1 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/msys-/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\` shift cat <<-EOF Linking shared library ** SHARED_LIB \[$]SHARED_LIB ** IMPORT_LIB \[$]IMPORT_LIB EOF exec \[$]* ${LDFLAGS} -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB} CF_EOF chmod +x mk_shared_lib.sh ;; (darwin*) cf_try_cflags="no-cpp-precomp" CC_SHARED_OPTS="-dynamic" MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]' test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi cf_cv_shlib_version_infix=yes AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [ cf_save_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS -Wl,-search_paths_first" AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no) LDFLAGS=$cf_save_LDFLAGS]) if test "$cf_cv_ldflags_search_paths_first" = yes; then LDFLAGS="$LDFLAGS -Wl,-search_paths_first" fi ;; (haiku*) CF_SHARED_SONAME MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]' ;; (hpux[[7-8]]*) # HP-UX 8.07 ld lacks "+b" option used for libdir search-list if test "$GCC" != yes; then CC_SHARED_OPTS='+Z' fi MK_SHARED_LIB='${LD} ${LDFLAGS} -b -o $[@]' INSTALL_LIB="-m 555" ;; (hpux*) # (tested with gcc 2.7.2 -- I don't have c89) if test "$GCC" = yes; then LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}' else CC_SHARED_OPTS='+Z' LD_SHARED_OPTS='-Wl,+b,${libdir}' fi MK_SHARED_LIB='${LD} ${LDFLAGS} +b ${libdir} -b -o $[@]' # HP-UX shared libraries must be executable, and should be # readonly to exploit a quirk in the memory manager. INSTALL_LIB="-m 555" ;; (interix*) test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel if test "$cf_cv_shlib_version" = rel; then cf_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}' else cf_shared_soname='`basename $[@]`' fi CC_SHARED_OPTS= MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $[@]' ;; (irix*) if test "$cf_cv_enable_rpath" = yes ; then EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS" fi # tested with IRIX 5.2 and 'cc'. if test "$GCC" != yes; then CC_SHARED_OPTS='-KPIC' MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -rdata_shared -soname `basename $[@]` -o $[@]' else MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,`basename $[@]` -o $[@]' fi cf_cv_rm_so_locs=yes ;; (linux*|gnu*|k*bsd*-gnu) if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)" LOCAL_LDFLAGS2="$LOCAL_LDFLAGS" fi if test "$cf_cv_enable_rpath" = yes ; then EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS" fi CF_SHARED_SONAME MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]' ;; (mingw*msvc*) cf_cv_shlib_version=msvcdll cf_cv_shlib_version_infix=msvcdll shlibdir=$bindir MAKE_DLLS= if test "$DFT_LWR_MODEL" = "shared" ; then LOCAL_LDFLAGS="-link -dll" LOCAL_LDFLAGS2="$LOCAL_LDFLAGS" EXTRA_LDFLAGS="-link -dll $EXTRA_LDFLAGS" fi CC_SHARED_OPTS= MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ ${LD} [$]{CFLAGS}' RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.lib" cat >mk_shared_lib.sh <<-CF_EOF #!$SHELL SHARED_LIB=\[$]1 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.lib/'\` shift my_ld=\[$]1 shift cat <<-EOF Linking shared library ** SHARED LIB \$SHARED_LIB ** IMPORT_LIB \$IMPORT_LIB EOF args=\$(echo \[$]* | sed -E "s#-l(\w*)#\1.dll.lib#g" | sed -E "s#-L(\w*)#-LIBPATH:\1#g") exec \$my_ld -DLL -IMPLIB:"\${IMPORT_LIB}" -OUT:"\${SHARED_LIB}" ${LDFLAGS} \$args mv "\${IMPORT_LIB}" "\${IMPORT_LIB}" CF_EOF chmod +x mk_shared_lib.sh cat >mk_prog.sh <<-CF_EOF #!$SHELL shift # Ignore first argument (compiler) and use LD (link.exe) unconditionally LD="[$]LD" clopts=() ldopts=("/subsystem:console") libs=() isdll=0 while test \[$]# -gt 0; do case "\[$]1" in -link) # ignore -link argument ;; -M[[TD]] | -M[[TD]]d) # ignore runtime-library option ;; -dll) isdll=1 ;; -W* | -w*) # ignore warnings ;; -D*) clopts+=("\[$]1") ;; -I*) clopts+=("\[$]1") ;; -l*) libs+=("\`echo \"\[$]1\" | sed \"s/^-l//\"\`") ;; -L*) ldopts+=("\`echo \"\[$]1\" | sed \"s/^-L/-LIBPATH:/\"\`") ;; *.obj | *.o) ldopts+=("\[$]1") ;; -Wl,*) for linkarg in \`echo '\[$]1' | sed -e 's/-Wl,//' -e 's/,/ /'\`; do ldopts+=("\[$]{linkarg}") done ;; *.lib) ldopts+=("\[$]1") ;; -o) shift ldopts+=("-out:\[$]1") ;; *) clopts+=("\[$]1") ldopts+=("\[$]1") ;; esac shift done if [[ "\$isdll" -ne 0 ]]; then for lib in \[$]{libs[[*]]}; do ldopts+=("\[$]lib.dll.lib") done else for lib in \[$]{libs[[*]]}; do ldopts+=("\[$]lib.lib") done fi cat <<-EOF Creating program ** ld options: "\[$]{ldopts[[@]]}" EOF exec \[$]LD \[$]{ldopts[[@]]} CF_EOF chmod +x mk_prog.sh LINK_PROGS="$SHELL ${rel_builddir}/mk_prog.sh" LINK_TESTS="$SHELL ${rel_builddir}/mk_prog.sh" ;; (mingw*) cf_cv_shlib_version=mingw cf_cv_shlib_version_infix=mingw shlibdir=$bindir MAKE_DLLS= if test "$DFT_LWR_MODEL" = "shared" ; then LOCAL_LDFLAGS="-Wl,--enable-auto-import" LOCAL_LDFLAGS2="$LOCAL_LDFLAGS" EXTRA_LDFLAGS="-Wl,--enable-auto-import $EXTRA_LDFLAGS" fi CC_SHARED_OPTS= MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}' RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a" cat >mk_shared_lib.sh <<-CF_EOF #!$SHELL SHARED_LIB=\[$]1 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\` shift cat <<-EOF Linking shared library ** SHARED_LIB \[$]SHARED_LIB ** IMPORT_LIB \[$]IMPORT_LIB EOF exec \[$]* ${LDFLAGS} -shared -Wl,--enable-auto-import,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB} CF_EOF chmod +x mk_shared_lib.sh ;; (openbsd[[2-9]].*|mirbsd*) if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)" LOCAL_LDFLAGS2="$LOCAL_LDFLAGS" fi if test "$cf_cv_enable_rpath" = yes ; then EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS" fi CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC" CF_SHARED_SONAME MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]' ;; (nskJ*) CC_SHARED_OPTS= MK_SHARED_LIB='${LD} -Wshared -Weld=-export_all -o $[@]' ;; (nskL*) CC_SHARED_OPTS= MK_SHARED_LIB='${LD} -Wshared -Wxld=-export_all -o $[@]' ;; (nto-qnx*|openbsd*|freebsd[[12]].*) CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC" MK_SHARED_LIB='${LD} ${LDFLAGS} -Bshareable -o $[@]' test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel ;; (dragonfly*|freebsd*) CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC" if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)" LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS" EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS" fi CF_SHARED_SONAME MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]' ;; (netbsd*) CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC" if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)" LOCAL_LDFLAGS2="$LOCAL_LDFLAGS" EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS" if test "$cf_cv_shlib_version" = auto; then if test -f /usr/libexec/ld.elf_so; then cf_cv_shlib_version=abi else cf_cv_shlib_version=rel fi fi CF_SHARED_SONAME MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]' else MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -o $[@]' fi ;; (osf*|mls+*) # tested with OSF/1 V3.2 and 'cc' # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't # link with shared libs). MK_SHARED_LIB='${LD} ${LDFLAGS} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`' case "$host_os" in (osf4*) MK_SHARED_LIB="${MK_SHARED_LIB} -msym" ;; esac MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]' if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)" LOCAL_LDFLAGS2="$LOCAL_LDFLAGS" fi cf_cv_rm_so_locs=yes ;; (sco3.2v5*) # also uw2* and UW7: hops 13-Apr-98 # tested with osr5.0.5 if test "$GCC" != yes; then CC_SHARED_OPTS='-belf -KPIC' fi MK_SHARED_LIB='${LD} ${LDFLAGS} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@' if test "$cf_cv_enable_rpath" = yes ; then # only way is to set LD_RUN_PATH but no switch for it RUN_PATH=$libdir fi test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel LINK_PROGS='LD_RUN_PATH=${libdir}' LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib' ;; (sunos4*) # tested with SunOS 4.1.1 and gcc 2.7.0 if test "$GCC" != yes; then CC_SHARED_OPTS='-KPIC' fi MK_SHARED_LIB='${LD} ${LDFLAGS} -assert pure-text -o $[@]' test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel ;; (solaris2*) # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3 if test "$DFT_LWR_MODEL" = "shared" ; then LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}" LOCAL_LDFLAGS2="$LOCAL_LDFLAGS" fi if test "$cf_cv_enable_rpath" = yes ; then EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS" fi CF_SHARED_SONAME if test "$GCC" != yes; then cf_save_CFLAGS="$CFLAGS" for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O do CFLAGS="$cf_shared_opts $cf_save_CFLAGS" AC_TRY_COMPILE([#include ],[printf("Hello\\n");],[break]) done CFLAGS="$cf_save_CFLAGS" CC_SHARED_OPTS=$cf_shared_opts MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -dy -G -h '$cf_cv_shared_soname' -o $[@]' else MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]' fi ;; (sysv5uw7*|unix_sv*) # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc) if test "$GCC" != yes; then CC_SHARED_OPTS='-KPIC' fi MK_SHARED_LIB='${LD} ${LDFLAGS} -d y -G -o [$]@' ;; (*) CC_SHARED_OPTS='unknown' MK_SHARED_LIB='echo unknown' ;; esac # This works if the last tokens in $MK_SHARED_LIB are the -o target. case "$cf_cv_shlib_version" in (rel|abi) case "$MK_SHARED_LIB" in (*'-o $[@]') test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes ;; (*) AC_MSG_WARN(ignored --with-shlib-version) ;; esac ;; esac if test -n "$cf_try_cflags" then cat > conftest.$ac_ext < int main(int argc, char *argv[[]]) { printf("hello\\n"); return (argv[[argc-1]] == 0) ; } EOF cf_save_CFLAGS="$CFLAGS" for cf_opt in $cf_try_cflags do CFLAGS="$cf_save_CFLAGS -$cf_opt" AC_MSG_CHECKING(if CFLAGS option -$cf_opt works) if AC_TRY_EVAL(ac_compile); then AC_MSG_RESULT(yes) cf_save_CFLAGS="$CFLAGS" else AC_MSG_RESULT(no) fi done CFLAGS="$cf_save_CFLAGS" fi # RPATH_LIST is a colon-separated list of directories test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}" test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}" test "$cf_cv_rm_so_locs" = yes && RM_SHARED_OPTS="$RM_SHARED_OPTS so_locations" CF_VERBOSE(CC_SHARED_OPTS: $CC_SHARED_OPTS) CF_VERBOSE(MK_SHARED_LIB: $MK_SHARED_LIB) AC_SUBST(CC_SHARED_OPTS) AC_SUBST(LD_RPATH_OPT) AC_SUBST(LD_SHARED_OPTS) AC_SUBST(MK_SHARED_LIB) AC_SUBST(RM_SHARED_OPTS) AC_SUBST(LINK_PROGS) AC_SUBST(LINK_TESTS) AC_SUBST(EXTRA_LDFLAGS) AC_SUBST(LOCAL_LDFLAGS) AC_SUBST(LOCAL_LDFLAGS2) AC_SUBST(INSTALL_LIB) AC_SUBST(RPATH_LIST) ])dnl dnl --------------------------------------------------------------------------- dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43 dnl ---------------- dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar) dnl option. dnl dnl $1 is the default that should be used for "$cf_cv_shlib_version". dnl If missing, use "rel". define([CF_SHARED_SONAME], [ test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1) if test "$cf_cv_shlib_version" = rel; then cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}' else cf_cv_shared_soname='`basename $[@]`' fi ]) dnl --------------------------------------------------------------------------- dnl CF_STRIP_G_OPT version: 4 updated: 2021/01/02 09:31:20 dnl -------------- dnl Remove "-g" option from the compiler options AC_DEFUN([CF_STRIP_G_OPT], [$1=`echo "${$1}" | CF__SED_TRIMBLANKS(-e 's%-g %%' -e 's%-g$%%')`])dnl dnl --------------------------------------------------------------------------- dnl CF_SUBDIR_PATH version: 7 updated: 2014/12/04 04:33:06 dnl -------------- dnl Construct a search-list for a nonstandard header/lib-file dnl $1 = the variable to return as result dnl $2 = the package name dnl $3 = the subdirectory, e.g., bin, include or lib AC_DEFUN([CF_SUBDIR_PATH], [ $1= CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE) for cf_subdir_prefix in \ /usr \ /usr/local \ /usr/pkg \ /opt \ /opt/local \ [$]HOME do CF_ADD_SUBDIR_PATH($1,$2,$3,$cf_subdir_prefix,$prefix) done ])dnl dnl --------------------------------------------------------------------------- dnl CF_TERM_HEADER version: 6 updated: 2021/01/02 09:31:20 dnl -------------- dnl Look for term.h, which is part of X/Open curses. It defines the interface dnl to terminfo database. Usually it is in the same include-path as curses.h, dnl but some packagers change this, breaking various applications. AC_DEFUN([CF_TERM_HEADER],[ AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[ case "${cf_cv_ncurses_header}" in (*/ncurses.h|*/ncursesw.h) cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'` ;; (*) cf_term_header=term.h ;; esac for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h" do AC_TRY_COMPILE([#include #include <${cf_cv_ncurses_header:-curses.h}> #include <$cf_test> ],[int x = auto_left_margin; (void)x],[ cf_cv_term_header="$cf_test"],[ cf_cv_term_header=unknown ]) test "$cf_cv_term_header" != unknown && break done ]) # Set definitions to allow ifdef'ing to accommodate subdirectories case "$cf_cv_term_header" in (*term.h) AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h]) ;; esac case "$cf_cv_term_header" in (ncurses/term.h) AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h]) ;; (ncursesw/term.h) AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h]) ;; esac ])dnl dnl --------------------------------------------------------------------------- dnl CF_TOP_BUILDDIR version: 2 updated: 2013/07/27 17:38:32 dnl --------------- dnl Define a top_builddir symbol, for applications that need an absolute path. AC_DEFUN([CF_TOP_BUILDDIR], [ top_builddir=ifelse($1,,`pwd`,$1) AC_SUBST(top_builddir) ])dnl dnl --------------------------------------------------------------------------- dnl CF_TRY_XOPEN_SOURCE version: 3 updated: 2021/08/28 15:20:37 dnl ------------------- dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we dnl can define it successfully. AC_DEFUN([CF_TRY_XOPEN_SOURCE],[ AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[ AC_TRY_COMPILE([ #include #include #include ],[ #ifndef _XOPEN_SOURCE make an error #endif], [cf_cv_xopen_source=no], [cf_save="$CPPFLAGS" CF_APPEND_TEXT(CPPFLAGS,-D_XOPEN_SOURCE=$cf_XOPEN_SOURCE) AC_TRY_COMPILE([ #include #include #include ],[ #ifdef _XOPEN_SOURCE make an error #endif], [cf_cv_xopen_source=no], [cf_cv_xopen_source=$cf_XOPEN_SOURCE]) CPPFLAGS="$cf_save" ]) ]) if test "$cf_cv_xopen_source" != no ; then CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE) CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE) cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source" CF_APPEND_CFLAGS($cf_temp_xopen_source) fi ]) dnl --------------------------------------------------------------------------- dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59 dnl -------- dnl Make an uppercase version of a variable dnl $1=uppercase($2) AC_DEFUN([CF_UPPER], [ $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%` ])dnl dnl --------------------------------------------------------------------------- dnl CF_UTF8_LIB version: 9 updated: 2021/05/19 19:35:25 dnl ----------- dnl Check for multibyte support, and if not found, utf8 compatibility library AC_DEFUN([CF_UTF8_LIB], [ AC_HAVE_HEADERS(wchar.h) AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[ cf_save_LIBS="$LIBS" AC_TRY_LINK([ #include #include #ifdef HAVE_WCHAR_H #include #endif ],[putwc(0,0);], [cf_cv_utf8_lib=yes], [CF_FIND_LINKAGE([ #include ],[putwc(0,0);],utf8, [cf_cv_utf8_lib=add-on], [cf_cv_utf8_lib=no]) ])]) # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between # ncurses/ncursesw: if test "$cf_cv_utf8_lib" = "add-on" ; then AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h]) CF_ADD_INCDIR($cf_cv_header_path_utf8) CF_ADD_LIBDIR($cf_cv_library_path_utf8) CF_ADD_LIBS($cf_cv_library_file_utf8) fi ])dnl dnl --------------------------------------------------------------------------- dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12 dnl ---------- dnl Use AC_VERBOSE w/o the warnings AC_DEFUN([CF_VERBOSE], [test -n "$verbose" && echo " $1" 1>&AC_FD_MSG CF_MSG_LOG([$1]) ])dnl dnl --------------------------------------------------------------------------- dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06 dnl --------------- dnl Check for compiler-support for weak symbols. dnl This works with "recent" gcc. AC_DEFUN([CF_WEAK_SYMBOLS],[ AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[ AC_TRY_COMPILE([ #include ], [ #if defined(__GNUC__) # if defined __USE_ISOC99 # define _cat_pragma(exp) _Pragma(#exp) # define _weak_pragma(exp) _cat_pragma(weak name) # else # define _weak_pragma(exp) # endif # define _declare(name) __extension__ extern __typeof__(name) name # define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak)) #endif weak_symbol(fopen); ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no]) ]) ])dnl dnl --------------------------------------------------------------------------- dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58 dnl -------------------- dnl Command-line option to specify the Ada95 compiler. AC_DEFUN([CF_WITH_ADA_COMPILER],[ AC_MSG_CHECKING(for ada-compiler) AC_ARG_WITH(ada-compiler, [ --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)], [cf_ada_compiler=$withval], [cf_ada_compiler=gnatmake]) AC_SUBST(cf_ada_compiler) AC_MSG_RESULT($cf_ada_compiler) ])dnl dnl --------------------------------------------------------------------------- dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58 dnl ------------------- dnl Command-line option to specify where Ada includes will install. AC_DEFUN([CF_WITH_ADA_INCLUDE],[ AC_MSG_CHECKING(for ada-include) CF_WITH_PATH(ada-include, [ --with-ada-include=DIR Ada includes are in DIR], ADA_INCLUDE, PREFIX/share/ada/adainclude, [$]prefix/share/ada/adainclude) AC_SUBST(ADA_INCLUDE) AC_MSG_RESULT($ADA_INCLUDE) ])dnl dnl --------------------------------------------------------------------------- dnl CF_WITH_ADA_LIBNAME version: 1 updated: 2019/09/07 18:59:41 dnl ------------------- dnl CF_WITH_ADA_LIBNAME dnl ------------------- dnl Command-line option to specify how to name the resulting Ada library. dnl $1 = default value AC_DEFUN([CF_WITH_ADA_LIBNAME],[ AC_MSG_CHECKING(for ada-libname) AC_ARG_WITH(ada-libname, [ --with-ada-libname=XXX override default Ada library-name], ADA_LIBNAME=[$]withval, ADA_LIBNAME=$1) case "x$ADA_LIBNAME" in (x|xyes|xno) ADA_LIBNAME=$1 ;; esac AC_SUBST(ADA_LIBNAME) AC_MSG_RESULT($ADA_LIBNAME) ])dnl dnl --------------------------------------------------------------------------- dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58 dnl ------------------- dnl Command-line option to specify where Ada objects will install. AC_DEFUN([CF_WITH_ADA_OBJECTS],[ AC_MSG_CHECKING(for ada-objects) CF_WITH_PATH(ada-objects, [ --with-ada-objects=DIR Ada objects are in DIR], ADA_OBJECTS, PREFIX/lib/ada/adalib, [$]prefix/lib/ada/adalib) AC_SUBST(ADA_OBJECTS) AC_MSG_RESULT($ADA_OBJECTS) ])dnl dnl --------------------------------------------------------------------------- dnl CF_WITH_ADA_SHAREDLIB version: 5 updated: 2018/07/21 19:10:35 dnl --------------------- dnl Command-line option to specify if an Ada95 shared-library should be built, dnl and optionally what its soname should be. AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[ AC_REQUIRE([CF_GNAT_PROJECTS]) AC_MSG_CHECKING(if an Ada95 shared-library should be built) AC_ARG_WITH(ada-sharedlib, [ --with-ada-sharedlib=soname build shared-library (requires GNAT projects)], [with_ada_sharedlib=$withval], [with_ada_sharedlib=no]) AC_MSG_RESULT($with_ada_sharedlib) if test "x$with_ada_sharedlib" != xno then if test "x$cf_gnat_projects" != xyes then AC_MSG_WARN(disabling shared-library since GNAT projects are not supported) with_ada_sharedlib=no fi fi ADA_SHAREDLIB='lib$(LIB_NAME).so.1' MAKE_ADA_SHAREDLIB="#" if test "x$with_ada_sharedlib" != xno then MAKE_ADA_SHAREDLIB= if test "x$with_ada_sharedlib" != xyes then ADA_SHAREDLIB="$with_ada_sharedlib" fi fi AC_SUBST(ADA_SHAREDLIB) AC_SUBST(MAKE_ADA_SHAREDLIB) ])dnl dnl --------------------------------------------------------------------------- dnl CF_WITH_CURSES_DIR version: 4 updated: 2021/01/02 19:22:58 dnl ------------------ dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses dnl libraries. AC_DEFUN([CF_WITH_CURSES_DIR],[ AC_MSG_CHECKING(for specific curses-directory) AC_ARG_WITH(curses-dir, [ --with-curses-dir=DIR directory in which (n)curses is installed], [cf_cv_curses_dir=$withval], [cf_cv_curses_dir=no]) AC_MSG_RESULT($cf_cv_curses_dir) if test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" then CF_PATH_SYNTAX(withval) if test -d "$cf_cv_curses_dir" then CF_ADD_INCDIR($cf_cv_curses_dir/include) CF_ADD_LIBDIR($cf_cv_curses_dir/lib) fi fi ])dnl dnl --------------------------------------------------------------------------- dnl CF_WITH_LIB_PREFIX version: 2 updated: 2021/01/01 16:53:59 dnl ------------------ dnl Allow the library-prefix to be overridden. OS/2 EMX originally had no dnl "lib" prefix, e.g., because it used the dll naming convention. dnl dnl $1 = variable to set AC_DEFUN([CF_WITH_LIB_PREFIX], [ AC_MSG_CHECKING(if you want to have a library-prefix) AC_ARG_WITH(lib-prefix, [ --with-lib-prefix override library-prefix], [with_lib_prefix=$withval], [with_lib_prefix=auto]) AC_MSG_RESULT($with_lib_prefix) if test "$with_lib_prefix" = auto then CF_LIB_PREFIX($1) elif test "$with_lib_prefix" = no then LIB_PREFIX= else LIB_PREFIX=$with_lib_prefix fi ])dnl dnl --------------------------------------------------------------------------- dnl CF_WITH_PATH version: 12 updated: 2021/09/04 06:35:04 dnl ------------ dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just dnl defaulting to yes/no. dnl dnl $1 = option name dnl $2 = help-text dnl $3 = environment variable to set dnl $4 = default value, shown in the help-message, must be a constant dnl $5 = default value, if it is an expression & cannot be in the help-message dnl AC_DEFUN([CF_WITH_PATH], [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),, ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl if ifelse([$5],,true,[test -n "$5"]) ; then CF_PATH_SYNTAX(withval) fi eval $3="$withval" AC_SUBST($3)dnl ])dnl dnl --------------------------------------------------------------------------- dnl CF_WITH_PKG_CONFIG_LIBDIR version: 11 updated: 2021/01/01 16:16:30 dnl ------------------------- dnl Allow the choice of the pkg-config library directory to be overridden. AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[ case "$PKG_CONFIG" in (no|none|yes) AC_MSG_CHECKING(for pkg-config library directory) ;; (*) AC_MSG_CHECKING(for $PKG_CONFIG library directory) ;; esac PKG_CONFIG_LIBDIR=no AC_ARG_WITH(pkg-config-libdir, [ --with-pkg-config-libdir=XXX use given directory for installing pc-files], [PKG_CONFIG_LIBDIR=$withval], [test "x$PKG_CONFIG" != xnone && PKG_CONFIG_LIBDIR=yes]) case x$PKG_CONFIG_LIBDIR in (x/*) ;; (xyes) # Look for the library directory using the same prefix as the executable if test "x$PKG_CONFIG" = xnone then cf_path=$prefix else cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'` fi # If you don't like using the default architecture, you have to specify the # intended library directory and corresponding compiler/linker options. # # This case allows for Debian's 2014-flavor of multiarch, along with the # most common variations before that point. Some other variants spell the # directory differently, e.g., "pkg-config", and put it in unusual places. # pkg-config has always been poorly standardized, which is ironic... case x`(arch) 2>/dev/null` in (*64) cf_search_path="\ $cf_path/lib/*64-linux-gnu \ $cf_path/share \ $cf_path/lib64 \ $cf_path/lib32 \ $cf_path/lib" ;; (*) cf_search_path="\ $cf_path/lib/*-linux-gnu \ $cf_path/share \ $cf_path/lib32 \ $cf_path/lib \ $cf_path/libdata" ;; esac CF_VERBOSE(list...) for cf_config in $cf_search_path do CF_VERBOSE(checking $cf_config/pkgconfig) if test -d "$cf_config/pkgconfig" then PKG_CONFIG_LIBDIR=$cf_config/pkgconfig AC_MSG_CHECKING(done) break fi done ;; (*) ;; esac if test "x$PKG_CONFIG_LIBDIR" != xno ; then AC_MSG_RESULT($PKG_CONFIG_LIBDIR) fi AC_SUBST(PKG_CONFIG_LIBDIR) ])dnl dnl --------------------------------------------------------------------------- dnl CF_WITH_PTHREAD version: 7 updated: 2015/04/18 08:56:57 dnl --------------- dnl Check for POSIX thread library. AC_DEFUN([CF_WITH_PTHREAD], [ AC_MSG_CHECKING(if you want to link with the pthread library) AC_ARG_WITH(pthread, [ --with-pthread use POSIX thread library], [with_pthread=$withval], [with_pthread=no]) AC_MSG_RESULT($with_pthread) if test "$with_pthread" != no ; then AC_CHECK_HEADER(pthread.h,[ AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header]) for cf_lib_pthread in pthread c_r do AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library) cf_save_LIBS="$LIBS" CF_ADD_LIB($cf_lib_pthread) AC_TRY_LINK([ #include ],[ int rc = pthread_create(0,0,0,0); int r2 = pthread_mutexattr_settype(0, 0); ],[with_pthread=yes],[with_pthread=no]) LIBS="$cf_save_LIBS" AC_MSG_RESULT($with_pthread) test "$with_pthread" = yes && break done if test "$with_pthread" = yes ; then CF_ADD_LIB($cf_lib_pthread) AC_DEFINE(HAVE_LIBPTHREADS,1,[Define to 1 if we have pthreads library]) else AC_MSG_ERROR(Cannot link with pthread library) fi ]) fi ]) dnl --------------------------------------------------------------------------- dnl CF_WITH_SYSTYPE version: 1 updated: 2013/01/26 16:26:12 dnl --------------- dnl For testing, override the derived host system-type which is used to decide dnl things such as the linker commands used to build shared libraries. This is dnl normally chosen automatically based on the type of system which you are dnl building on. We use it for testing the configure script. dnl dnl This is different from the --host option: it is used only for testing parts dnl of the configure script which would not be reachable with --host since that dnl relies on the build environment being real, rather than mocked up. AC_DEFUN([CF_WITH_SYSTYPE],[ CF_CHECK_CACHE([AC_CANONICAL_SYSTEM]) AC_ARG_WITH(system-type, [ --with-system-type=XXX test: override derived host system-type], [AC_MSG_WARN(overriding system type to $withval) cf_cv_system_name=$withval host_os=$withval ]) ])dnl dnl --------------------------------------------------------------------------- dnl CF_XOPEN_SOURCE version: 59 updated: 2021/08/28 15:20:37 dnl --------------- dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions, dnl or adapt to the vendor's definitions to get equivalent functionality, dnl without losing the common non-POSIX features. dnl dnl Parameters: dnl $1 is the nominal value for _XOPEN_SOURCE dnl $2 is the nominal value for _POSIX_C_SOURCE AC_DEFUN([CF_XOPEN_SOURCE],[ AC_REQUIRE([AC_CANONICAL_HOST]) AC_REQUIRE([CF_POSIX_VISIBLE]) if test "$cf_cv_posix_visible" = no; then cf_XOPEN_SOURCE=ifelse([$1],,500,[$1]) cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2]) cf_xopen_source= case "$host_os" in (aix[[4-7]]*) cf_xopen_source="-D_ALL_SOURCE" ;; (msys) cf_XOPEN_SOURCE=600 ;; (darwin[[0-8]].*) cf_xopen_source="-D_APPLE_C_SOURCE" ;; (darwin*) cf_xopen_source="-D_DARWIN_C_SOURCE" cf_XOPEN_SOURCE= ;; (freebsd*|dragonfly*|midnightbsd*) # 5.x headers associate # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L cf_POSIX_C_SOURCE=200112L cf_XOPEN_SOURCE=600 cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE" ;; (hpux11*) cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500" ;; (hpux*) cf_xopen_source="-D_HPUX_SOURCE" ;; (irix[[56]].*) cf_xopen_source="-D_SGI_SOURCE" cf_XOPEN_SOURCE= ;; (linux*|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin) CF_GNU_SOURCE($cf_XOPEN_SOURCE) ;; (minix*) cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this... ;; (mirbsd*) # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks and other headers which use u_int / u_short types cf_XOPEN_SOURCE= CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE) ;; (netbsd*) cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw ;; (openbsd[[6-9]]*) # OpenBSD 6.x has broken locale support, both compile-time and runtime. # see https://www.mail-archive.com/bugs@openbsd.org/msg13200.html # Abusing the conformance level is a workaround. AC_MSG_WARN(this system does not provide usable locale support) cf_xopen_source="-D_BSD_SOURCE" cf_XOPEN_SOURCE=700 ;; (openbsd[[4-5]]*) # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw cf_xopen_source="-D_BSD_SOURCE" cf_XOPEN_SOURCE=600 ;; (openbsd*) # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw ;; (osf[[45]]*) cf_xopen_source="-D_OSF_SOURCE" ;; (nto-qnx*) cf_xopen_source="-D_QNX_SOURCE" ;; (sco*) # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer ;; (solaris2.*) cf_xopen_source="-D__EXTENSIONS__" cf_cv_xopen_source=broken ;; (sysv4.2uw2.*) # Novell/SCO UnixWare 2.x (tested on 2.1.2) cf_XOPEN_SOURCE= cf_POSIX_C_SOURCE= ;; (*) CF_TRY_XOPEN_SOURCE CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE) ;; esac if test -n "$cf_xopen_source" ; then CF_APPEND_CFLAGS($cf_xopen_source,true) fi dnl In anything but the default case, we may have system-specific setting dnl which is still not guaranteed to provide all of the entrypoints that dnl _XOPEN_SOURCE would yield. if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then AC_MSG_CHECKING(if _XOPEN_SOURCE really is set) AC_TRY_COMPILE([#include ],[ #ifndef _XOPEN_SOURCE make an error #endif], [cf_XOPEN_SOURCE_set=yes], [cf_XOPEN_SOURCE_set=no]) AC_MSG_RESULT($cf_XOPEN_SOURCE_set) if test "$cf_XOPEN_SOURCE_set" = yes then AC_TRY_COMPILE([#include ],[ #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE make an error #endif], [cf_XOPEN_SOURCE_set_ok=yes], [cf_XOPEN_SOURCE_set_ok=no]) if test "$cf_XOPEN_SOURCE_set_ok" = no then AC_MSG_WARN(_XOPEN_SOURCE is lower than requested) fi else CF_TRY_XOPEN_SOURCE fi fi fi # cf_cv_posix_visible ]) dnl --------------------------------------------------------------------------- dnl CF__SED_TRIMBLANKS version: 1 updated: 2021/01/02 09:31:20 dnl ------------------ dnl Trim something using sed, then trim extra whitespace dnl $1 = extra parameters, e.g., in CF_STRIP_G_OPT define([CF__SED_TRIMBLANKS],[sed ifelse($1,,,[$1] )-e 's%[[ ]]% %g' -e 's% [[ ]]*% %g' -e 's%^ %%' -e 's% [$]%%'])dnl