X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=Ada95%2Faclocal.m4;h=d81405d440917a88f991531b3936bf734c8791fd;hp=eba2a91407c866705d29fb12e4b82fbf827e57dc;hb=HEAD;hpb=4d01f5de859abce88a97e91460db7f3769eedbc1 diff --git a/Ada95/aclocal.m4 b/Ada95/aclocal.m4 index eba2a914..6fe1f946 100644 --- a/Ada95/aclocal.m4 +++ b/Ada95/aclocal.m4 @@ -1,5 +1,6 @@ dnl*************************************************************************** -dnl Copyright (c) 2010-2015,2016 Free Software Foundation, Inc. * +dnl Copyright 2018-2023,2024 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 * @@ -28,14 +29,16 @@ dnl*************************************************************************** dnl dnl Author: Thomas E. Dickey dnl -dnl $Id: aclocal.m4,v 1.115 2016/08/27 16:25:56 tom Exp $ +dnl $Id: aclocal.m4,v 1.210 2024/03/30 22:17:13 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 http://invisible-island.net/autoconf/ for additional information. +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 --------------------------------------------------------------------------- @@ -97,10 +100,11 @@ AC_DEFUN([CF_ADD_ADAFLAGS],[ AC_SUBST(ADAFLAGS) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_ADD_CFLAGS version: 12 updated: 2015/04/12 15:39:00 +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 The second parameter if given makes this macro verbose. +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 @@ -114,23 +118,23 @@ cf_new_extra_cppflags= for cf_add_cflags in $1 do -case $cf_fix_cppflags in +case "$cf_fix_cppflags" in (no) - case $cf_add_cflags in + case "$cf_add_cflags" in (-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C) - case $cf_add_cflags in + case "$cf_add_cflags" in (-D*) - cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'` + cf_tst_cflags=`echo "${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 $cf_fix_cppflags = yes ; then - cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags" + if test "$cf_fix_cppflags" = yes ; then + CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags) continue elif test "${cf_tst_cflags}" = "\"'" ; then - cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags" + CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags) continue fi ;; @@ -139,25 +143,25 @@ case $cf_fix_cppflags in (*$cf_add_cflags) ;; (*) - case $cf_add_cflags in + case "$cf_add_cflags" in (-D*) cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'` CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags) ;; esac - cf_new_cppflags="$cf_new_cppflags $cf_add_cflags" + CF_APPEND_TEXT(cf_new_cppflags,$cf_add_cflags) ;; esac ;; (*) - cf_new_cflags="$cf_new_cflags $cf_add_cflags" + CF_APPEND_TEXT(cf_new_cflags,$cf_add_cflags) ;; esac ;; (yes) - cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags" + CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags) - cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'` + cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[[^"]]*"'\''//'` test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \ && test -z "${cf_tst_cflags}" \ @@ -168,26 +172,26 @@ done if test -n "$cf_new_cflags" ; then ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)]) - CFLAGS="$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 $cf_new_cppflags)]) - CPPFLAGS="$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 $cf_new_extra_cppflags)]) - EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS" + CF_APPEND_TEXT(EXTRA_CPPFLAGS,$cf_new_extra_cppflags) fi AC_SUBST(EXTRA_CPPFLAGS) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_ADD_INCDIR version: 14 updated: 2015/05/25 20:53:04 +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's +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 @@ -197,9 +201,9 @@ AC_DEFUN([CF_ADD_INCDIR], if test -n "$1" ; then for cf_add_incdir in $1 do - while test $cf_add_incdir != /usr/include + while test "$cf_add_incdir" != /usr/include do - if test -d $cf_add_incdir + if test -d "$cf_add_incdir" then cf_have_incdir=no if test -n "$CFLAGS$CPPFLAGS" ; then @@ -216,7 +220,7 @@ if test -n "$1" ; then if test "$GCC" = yes then cf_save_CPPFLAGS=$CPPFLAGS - CPPFLAGS="$CPPFLAGS -I$cf_add_incdir" + CF_APPEND_TEXT(CPPFLAGS,-I$cf_add_incdir) AC_TRY_COMPILE([#include ], [printf("Hello")], [], @@ -230,7 +234,7 @@ if test -n "$1" ; 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%'` + 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 @@ -252,7 +256,7 @@ 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: 10 updated: 2015/04/18 08:56:57 +dnl CF_ADD_LIBDIR version: 11 updated: 2020/12/31 20:19:42 dnl ------------- dnl Adds to the library-path dnl @@ -266,9 +270,9 @@ AC_DEFUN([CF_ADD_LIBDIR], if test -n "$1" ; then for cf_add_libdir in $1 do - if test $cf_add_libdir = /usr/lib ; then + if test "$cf_add_libdir" = /usr/lib ; then : - elif test -d $cf_add_libdir + elif test -d "$cf_add_libdir" then cf_have_libdir=no if test -n "$LDFLAGS$LIBS" ; then @@ -288,7 +292,7 @@ if test -n "$1" ; then fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_ADD_LIBS version: 2 updated: 2014/07/13 14:33:27 +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 @@ -297,24 +301,24 @@ 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="$1" -# Filter out duplicates - this happens with badly-designed ".pc" files... -for cf_add_1lib in [$]ifelse($2,,LIBS,[$2]) -do - for cf_add_2lib in $cf_add_libs - do - if test "x$cf_add_1lib" = "x$cf_add_2lib" - then +cf_add_libs="[$]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_libs $cf_add_1lib" + test -n "$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: 4 updated: 2013/10/08 17:47:05 +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 @@ -326,22 +330,57 @@ 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") &&]) { +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" + 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 @@ -365,7 +404,7 @@ ifelse([$3],,[ :]dnl ])dnl ])])dnl dnl --------------------------------------------------------------------------- -dnl CF_AR_FLAGS version: 6 updated: 2015/10/10 15:25:05 +dnl CF_AR_FLAGS version: 9 updated: 2021/01/01 13:31:04 dnl ----------- dnl Check for suitable "ar" (archiver) options for updating an archive. dnl @@ -376,39 +415,55 @@ AC_DEFUN([CF_AR_FLAGS],[ AC_REQUIRE([CF_PROG_AR]) AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[ - cf_cv_ar_flags=unknown - for cf_ar_flags in -curvU -curv curv -crv crv -cqv cqv -rv rv - do + case "$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 + # 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" != "$cf_check_ar_flags" ; then + cf_cv_ar_flags= + break + fi fi - fi - rm -f conftest.$ac_cv_objext - rm -f conftest.a + rm -f "conftest.$ac_cv_objext" + rm -f conftest.a - cat >conftest.$ac_ext <"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=$cf_ar_flags + if AC_TRY_EVAL(ac_compile) ; then + echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&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 - else - CF_VERBOSE(cannot compile test-program) - break - fi - done - rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext + done + rm -f conftest.a "conftest.$ac_ext" "conftest.$ac_cv_objext" + ;; + esac ]) if test -n "$ARFLAGS" ; then @@ -422,7 +477,7 @@ fi AC_SUBST(ARFLAGS) ]) dnl --------------------------------------------------------------------------- -dnl CF_BUILD_CC version: 7 updated: 2012/10/06 15:31:55 +dnl CF_BUILD_CC version: 11 updated: 2022/12/04 15:40:08 dnl ----------- dnl If we're cross-compiling, allow the user to override the tools and their dnl options. The configure script is oriented toward identifying the host @@ -447,7 +502,7 @@ if test "$cross_compiling" = yes ; then AC_ARG_WITH(build-cc, [ --with-build-cc=XXX the build C compiler ($BUILD_CC)], [BUILD_CC="$withval"], - [AC_CHECK_PROGS(BUILD_CC, gcc cc cl)]) + [AC_CHECK_PROGS(BUILD_CC, [gcc clang c99 c89 cc cl],none)]) AC_MSG_CHECKING(for native build C compiler) AC_MSG_RESULT($BUILD_CC) @@ -488,7 +543,32 @@ if test "$cross_compiling" = yes ; then : ${BUILD_CC:='${CC}'} - if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then + AC_MSG_CHECKING(if the build-compiler "$BUILD_CC" works) + + cf_save_crossed=$cross_compiling + cf_save_ac_link=$ac_link + cross_compiling=no + cf_build_cppflags=$BUILD_CPPFLAGS + test "$cf_build_cppflags" = "#" && cf_build_cppflags= + ac_link='$BUILD_CC -o "conftest$ac_exeext" $BUILD_CFLAGS $cf_build_cppflags $BUILD_LDFLAGS "conftest.$ac_ext" $BUILD_LIBS >&AS_MESSAGE_LOG_FD' + + AC_TRY_RUN([#include + int main(int argc, char *argv[]) + { + ${cf_cv_main_return:-return}(argc < 0 || argv == 0 || argv[0] == 0); + } + ], + cf_ok_build_cc=yes, + cf_ok_build_cc=no, + cf_ok_build_cc=unknown) + + cross_compiling=$cf_save_crossed + ac_link=$cf_save_ac_link + + AC_MSG_RESULT($cf_ok_build_cc) + + if test "$cf_ok_build_cc" != yes + then AC_MSG_ERROR([Cross-build requires two compilers. Use --with-build-cc to specify the native compiler.]) fi @@ -514,7 +594,45 @@ AC_SUBST(BUILD_EXEEXT) AC_SUBST(BUILD_OBJEXT) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_CC_ENV_FLAGS version: 5 updated: 2016/08/27 11:24:46 +dnl CF_C11_NORETURN version: 4 updated: 2023/02/18 17:41:25 +dnl --------------- +AC_DEFUN([CF_C11_NORETURN], +[ +AC_MSG_CHECKING(if you want to use C11 _Noreturn feature) +CF_ARG_ENABLE(stdnoreturn, + [ --enable-stdnoreturn enable C11 _Noreturn feature for diagnostics], + [enable_stdnoreturn=yes], + [enable_stdnoreturn=no]) +AC_MSG_RESULT($enable_stdnoreturn) + +if test $enable_stdnoreturn = yes; then +AC_CACHE_CHECK([for C11 _Noreturn feature], cf_cv_c11_noreturn, + [AC_TRY_COMPILE([ +$ac_includes_default +#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: 11 updated: 2023/02/20 11:15:46 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 @@ -529,17 +647,45 @@ dnl outweighs that limitation. AC_DEFUN([CF_CC_ENV_FLAGS], [ # This should have been defined by AC_PROG_CC -: ${CC:=cc} +: "${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 "$CC" in (*[[\ \ ]]-*) AC_MSG_RESULT(broken) - AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options) + AC_MSG_WARN(your environment uses the CC variable to hold CFLAGS/CPPFLAGS options) # humor him... - cf_flags=`echo "$CC" | sed -e 's/^.*[[ ]]\(-[[^ ]]\)/\1/'` - CC=`echo "$CC " | sed -e 's/[[ ]]-[[^ ]].*$//' -e 's/[[ ]]*$//'` - CF_ADD_CFLAGS($cf_flags) + cf_prog=`echo "$CC" | sed -e 's/ / /g' -e 's/[[ ]]* / /g' -e 's/[[ ]]*[[ ]]-[[^ ]].*//'` + cf_flags=`echo "$CC" | sed -e "s%^$cf_prog%%"` + CC="$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') @@ -550,7 +696,7 @@ case "$CC" in esac ])dnl dnl --------------------------------------------------------------------------- -dnl CF_CFG_DEFAULTS version: 11 updated: 2015/04/17 21:13:04 +dnl CF_CFG_DEFAULTS version: 16 updated: 2021/01/04 19:33:05 dnl --------------- dnl Determine the default configuration into which we'll install ncurses. This dnl can be overridden by the user's command-line options. There's two items to @@ -563,7 +709,8 @@ dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's dnl programs from a vendor's. AC_DEFUN([CF_CFG_DEFAULTS], -[ +[AC_REQUIRE([AC_PROG_FGREP])dnl + AC_MSG_CHECKING(for prefix) if test "x$prefix" = "xNONE" ; then case "$cf_cv_system_name" in @@ -581,20 +728,20 @@ if test "x$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 \ - $prefix/include/ncurses \ + "$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 NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then + cf_dir=`eval echo "$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 $ac_n " found " 1>&AC_FD_MSG + test -n "$verbose" && echo $ECHO_N " found " 1>&AC_FD_MSG break fi fi @@ -604,7 +751,7 @@ AC_MSG_RESULT($includedir) fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_CHECK_CACHE version: 12 updated: 2012/10/02 20:55:03 +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. @@ -618,7 +765,7 @@ 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 $ac_aux_dir/config.guess ; then +if test -f "$srcdir/config.guess" || test -f "$ac_aux_dir/config.guess" ; then ifelse([$1],,[AC_CANONICAL_HOST],[$1]) system_name="$host_os" else @@ -639,7 +786,54 @@ if test ".$system_name" != ".$cf_cv_system_name" ; then fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_CLANG_COMPILER version: 2 updated: 2013/11/19 19:23:35 +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 $cf_cv_gnat_version. We require 3.11 or better. Disabling Ada95 binding.) + cf_cv_prog_gnat_correct=no + ;; +esac +]) +dnl --------------------------------------------------------------------------- +dnl CF_CHECK_LIBSSP version: 1 updated: 2021/10/30 10:40:19 +dnl --------------- +dnl Check if libssp is needed, e.g., to work around misconfigured libraries +dnl used in cross-compiling to MinGW. +AC_DEFUN([CF_CHECK_LIBSSP],[ +AC_CACHE_CHECK(if ssp library is needed,cf_cv_need_libssp,[ +AC_TRY_LINK([ +#include +#include +],[ + DIR *dp = opendir("."); +],cf_cv_need_libssp=no,[ + cf_save_LIBS="$LIBS" + LIBS="$LIBS -lssp" + AC_TRY_LINK([ +#include +#include + ],[ + DIR *dp = opendir("."); + ],cf_cv_need_libssp=yes, + cf_cv_need_libssp=maybe) + LIBS="$cf_save_LIBS" +])dnl +]) + +if test "x$cf_cv_need_libssp" = xyes +then + CF_ADD_LIB(ssp) +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_CLANG_COMPILER version: 9 updated: 2023/02/18 17:41:25 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 @@ -658,21 +852,178 @@ 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])" - ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -Qunused-arguments" AC_TRY_COMPILE([],[ #ifdef __clang__ #else -make an error +#error __clang__ is not defined #endif ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes -cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments" ],[]) 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: 8 updated: 2023/12/01 17:22:50 +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( + [ +#undef _CONST_X_STRING +#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 "$cf_cv_const_x_string" in +(no) + CF_APPEND_TEXT(CPPFLAGS,-DXTSTRINGDEFINES) + ;; +(*) + CF_APPEND_TEXT(CPPFLAGS,-D_CONST_X_STRING) + ;; +esac + +]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_CONST_X_STRING version: 8 updated: 2023/12/01 17:22:50 +dnl ----------------- +dnl The X11R4-X11R6 Xt specification uses an ambiguous String type for most +dnl character-strings. +dnl +dnl It is ambiguous because the specification accommodated the pre-ANSI +dnl compilers bundled by more than one vendor in lieu of providing a standard C +dnl compiler other than by costly add-ons. Because of this, the specification +dnl did not take into account the use of const for telling the compiler that +dnl string literals would be in readonly memory. +dnl +dnl As a workaround, one could (starting with X11R5) define XTSTRINGDEFINES, to +dnl let the compiler decide how to represent Xt's strings which were #define'd. +dnl That does not solve the problem of using the block of Xt's strings which +dnl are compiled into the library (and is less efficient than one might want). +dnl +dnl Xt specification 7 introduces the _CONST_X_STRING symbol which is used both +dnl when compiling the library and compiling using the library, to tell the +dnl compiler that String is const. +AC_DEFUN([CF_CONST_X_STRING], +[ +AC_REQUIRE([AC_PATH_XTRA]) + +CF_SAVE_XTRA_FLAGS([CF_CONST_X_STRING]) + +AC_TRY_COMPILE( +[ +#include +#include +], +[String foo = malloc(1); free((void*)foo)],[ + +AC_CACHE_CHECK(for X11/Xt const-feature,cf_cv_const_x_string,[ + AC_TRY_COMPILE( + [ +#undef _CONST_X_STRING +#define _CONST_X_STRING /* X11R7.8 (perhaps) */ +#undef XTSTRINGDEFINES /* X11R5 and later */ +#include +#include + ],[String foo = malloc(1); *foo = 0],[ + cf_cv_const_x_string=no + ],[ + cf_cv_const_x_string=yes + ]) +]) + +CF_RESTORE_XTRA_FLAGS([CF_CONST_X_STRING]) + +case "$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 CF_CURSES_HEADER version: 6 updated: 2022/12/02 20:06:52 dnl ---------------- dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common dnl variations of ncurses' installs. @@ -686,7 +1037,7 @@ for cf_header in \ 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)], + [initscr(); endwin()], [cf_cv_ncurses_header=$cf_header; break],[]) done ]) @@ -699,14 +1050,14 @@ fi AC_CHECK_HEADERS($cf_cv_ncurses_header) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52 +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 +AC_DEFUN([CF_DIRNAME],[$1=`echo "$2" | sed -e 's%/[[^/]]*$%%'`])dnl dnl --------------------------------------------------------------------------- -dnl CF_DISABLE_ECHO version: 13 updated: 2015/04/18 08:56:57 +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's hard to +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: @@ -752,7 +1103,59 @@ CF_ARG_DISABLE(gnat-projects, AC_MSG_RESULT($enable_gnat_projects) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54 +dnl CF_ENABLE_BROKEN_LINKER version: 2 updated: 2021/01/02 17:09:14 +dnl ----------------------- +dnl Some linkers cannot reference a data-only object. Cygwin used to be one. +dnl This usually follows CF_LINK_DATAONLY, but is not required in case we need +dnl an unconditional feature. +AC_DEFUN([CF_ENABLE_BROKEN_LINKER],[ + +AC_MSG_CHECKING(if you want broken-linker support code) +AC_ARG_ENABLE(broken_linker, + [ --enable-broken_linker compile with broken-linker support code], + [with_broken_linker=$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($2,yes,[CF_GCC_ATTRIBUTES]) +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_FIND_LIBRARY version: 11 updated: 2021/01/02 09:31:20 dnl --------------- dnl Look for a non-standard library, given parameters for AC_TRY_LINK. We dnl prefer a standard location, and use -L options only if we do not find the @@ -768,16 +1171,16 @@ dnl Sets the variable "$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' + eval 'cf_cv_have_lib_'"$1"'=no' cf_libdir="" AC_CHECK_FUNC($5, - eval 'cf_cv_have_lib_'$1'=yes',[ + 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' + eval 'cf_cv_have_lib_'"$1"'=yes' ], [AC_MSG_RESULT(no) CF_LIBRARY_PATH(cf_search,$2) @@ -787,22 +1190,22 @@ AC_DEFUN([CF_FIND_LIBRARY], LIBS="-L$cf_libdir -l$1 $cf_save_LIBS" AC_TRY_LINK([$3],[$4], [AC_MSG_RESULT(yes) - eval 'cf_cv_have_lib_'$1'=yes' + 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_'$1 +eval 'cf_found_library="[$]cf_cv_have_lib_'"$1"\" ifelse($6,,[ -if test $cf_found_library = no ; then +if test "$cf_found_library" = no ; then AC_MSG_ERROR(Cannot link $1 library) fi ]) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_FIND_LINKAGE version: 20 updated: 2015/04/18 08:56:57 +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. @@ -859,9 +1262,10 @@ AC_TRY_LINK([$1],[$2],[ 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_$3 ; then + if test -d "$cf_cv_header_path_$3" ; then CF_VERBOSE(... testing $cf_cv_header_path_$3) - CPPFLAGS="$cf_save_CPPFLAGS -I$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 @@ -893,7 +1297,7 @@ AC_TRY_LINK([$1],[$2],[ CF_LIBRARY_PATH(cf_search,$3) for cf_cv_library_path_$3 in $cf_search do - if test -d $cf_cv_library_path_$3 ; then + if test -d "$cf_cv_library_path_$3" ; then CF_VERBOSE(... testing $cf_cv_library_path_$3) CPPFLAGS="$cf_test_CPPFLAGS" LIBS="-l$3 $7 $cf_save_LIBS" @@ -951,14 +1355,83 @@ AC_DEFUN([CF_FIXUP_ADAFLAGS],[ AC_MSG_RESULT($ADAFLAGS) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_GCC_ATTRIBUTES version: 17 updated: 2015/04/12 15:39:00 +dnl CF_FIX_WARNINGS version: 4 updated: 2021/12/16 18:22:31 +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 "$GXX" = yes +then + case [$]$1 in + (*-Werror=*) + cf_temp_flags= + for cf_temp_scan in [$]$1 + do + case "x$cf_temp_scan" in + (x-Werror=format*) + CF_APPEND_TEXT(cf_temp_flags,$cf_temp_scan) + ;; + (x-Werror=*) + CF_APPEND_TEXT(EXTRA_CFLAGS,$cf_temp_scan) + ;; + (*) + CF_APPEND_TEXT(cf_temp_flags,$cf_temp_scan) + ;; + esac + done + if test "x[$]$1" != "x$cf_temp_flags" + then + CF_VERBOSE(repairing $1: [$]$1) + $1="$cf_temp_flags" + CF_VERBOSE(... fixed [$]$1) + CF_VERBOSE(... extra $EXTRA_CFLAGS) + fi + ;; + esac +fi +AC_SUBST(EXTRA_CFLAGS) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_FUNC_GETTIME version: 2 updated: 2023/02/25 08:45:56 +dnl --------------- +dnl Check for gettimeofday or clock_gettime. In 2023, the former is still more +dnl widely supported, but "deprecated" (2008), so we will use the latter if it +dnl is available, to reduce compiler warnings. +AC_DEFUN([CF_FUNC_GETTIME],[ +AC_CACHE_CHECK(for clock_gettime,cf_cv_func_clock_gettime,[ + AC_TRY_LINK([#include ], + [struct timespec ts; + int rc = clock_gettime(CLOCK_REALTIME, &ts); (void) rc; (void)ts], + [cf_cv_func_clock_gettime=yes], + [cf_cv_func_clock_gettime=no]) +]) + +if test "$cf_cv_func_clock_gettime" = yes +then + AC_DEFINE(HAVE_CLOCK_GETTIME,1,[Define to 1 if we have clock_gettime function]) +else +AC_CHECK_FUNC(gettimeofday, + AC_DEFINE(HAVE_GETTIMEOFDAY,1,[Define to 1 if we have gettimeofday function]),[ + +AC_CHECK_LIB(bsd, gettimeofday, + AC_DEFINE(HAVE_GETTIMEOFDAY,1,[Define to 1 if we have gettimeofday function]) + CF_ADD_LIB(bsd))])dnl CLIX: bzero, select, gettimeofday +fi +])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], -[ -if test "$GCC" = yes +[AC_REQUIRE([AC_PROG_FGREP])dnl +AC_REQUIRE([CF_C11_NORETURN])dnl + +if test "$GCC" = yes || test "$GXX" = yes then cat > conftest.i < conftest.$ac_ext < "conftest.$ac_ext" < #include "confdefs.h" #include "conftest.h" #include "conftest.i" @@ -993,9 +1467,9 @@ cat > conftest.$ac_ext <&AC_FD_CC - case $cf_attribute in + case "$cf_attribute" in (printf) cf_printf_attribute=yes cat >conftest.h <>confdefs.h - case $cf_attribute in + case "$cf_attribute" in (noreturn) AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc]) ;; @@ -1055,32 +1529,36 @@ EOF fi done else - fgrep define conftest.i >>confdefs.h + ${FGREP-fgrep} define conftest.i >>confdefs.h fi -rm -rf conftest* +rm -rf ./conftest* fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_GCC_VERSION version: 7 updated: 2012/10/18 06:46:33 +dnl CF_GCC_VERSION version: 9 updated: 2023/03/05 14:30:13 dnl -------------- -dnl Find version of gcc +dnl Find version of gcc, and (because icc/clang pretend to be gcc without being +dnl compatible), attempt to determine if icc/clang is actually used. AC_DEFUN([CF_GCC_VERSION],[ AC_REQUIRE([AC_PROG_CC]) GCC_VERSION=none if test "$GCC" = yes ; then AC_MSG_CHECKING(version of $CC) - GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`" + GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^[[^(]]*([[^)]][[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`" test -z "$GCC_VERSION" && GCC_VERSION=unknown AC_MSG_RESULT($GCC_VERSION) fi +CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS) +CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_GCC_WARNINGS version: 32 updated: 2015/04/12 15:39:00 +dnl CF_GCC_WARNINGS version: 41 updated: 2021/01/01 16:53:59 dnl --------------- dnl Check if the compiler supports useful warning options. There's a few that dnl we don't use, simply because they're too noisy: dnl dnl -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x) +dnl -Winline (usually not worthwhile) dnl -Wredundant-decls (system headers make this too noisy) dnl -Wtraditional (combines too many unrelated messages, only a few useful) dnl -Wwrite-strings (too noisy, but should review occasionally). This @@ -1097,14 +1575,11 @@ dnl AC_DEFUN([CF_GCC_WARNINGS], [ AC_REQUIRE([CF_GCC_VERSION]) -CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS) -CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS) - -cat > conftest.$ac_ext < "conftest.$ac_ext" <>library.gpr <>library.gpr <>confpackage.ads <>confpackage.ads <>confpackage.adb <>confpackage.adb <&AC_FD_CC 2>&1 ) ; then - cf_gnat_projects=yes + if ( "$cf_ada_make" $ADAFLAGS \ + -Plibrary.gpr \ + -XBUILD_DIR="`cd ../conftest.bin;pwd`" \ + -XLIBRARY_DIR="`cd ../conftest.lib;pwd`" \ + -XSOURCE_DIR="`pwd`" \ + -XSONAME=libConfTest.so.1 \ + -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then + cf_gnat_projects=yes + fi + cd .. fi - cd .. if test -f conftest.lib/confpackage.ali then cf_gnat_libraries=yes fi - rm -rf conftest* *~conftest* + rm -rf ./conftest* ./*~conftest* ;; esac ;; @@ -1312,19 +1785,30 @@ esac AC_MSG_RESULT($cf_gnat_projects) fi # enable_gnat_projects -if test $cf_gnat_projects = yes +if test "$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="" -else - 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 @@ -1337,9 +1821,11 @@ 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: 1 updated: 2011/03/27 20:07:59 +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 @@ -1378,7 +1864,7 @@ end ConfTest;], [cf_cv_gnat_sigint=yes], [cf_cv_gnat_sigint=no])]) -if test $cf_cv_gnat_sigint = yes ; then +if test "$cf_cv_gnat_sigint" = yes ; then USE_GNAT_SIGINT="" else USE_GNAT_SIGINT="#" @@ -1386,7 +1872,7 @@ fi AC_SUBST(USE_GNAT_SIGINT) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45 +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 @@ -1398,22 +1884,22 @@ dnl $3 is the shell command to execute if successful dnl $4 is the shell command to execute if not successful AC_DEFUN([CF_GNAT_TRY_LINK], [ -rm -rf conftest* *~conftest* +rm -rf ./conftest* ./*~conftest* cat >>conftest.ads <>conftest.adb <&AC_FD_CC 2>&1 ) ; then +if ( "$cf_ada_make" $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then ifelse($3,, :,[ $3]) ifelse($4,,,[else $4]) fi -rm -rf conftest* *~conftest* +rm -rf ./conftest* ./*~conftest* ])dnl dnl --------------------------------------------------------------------------- -dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45 +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 @@ -1425,14 +1911,14 @@ dnl $3 is the shell command to execute if successful dnl $4 is the shell command to execute if not successful AC_DEFUN([CF_GNAT_TRY_RUN], [ -rm -rf conftest* *~conftest* +rm -rf ./conftest* ./*~conftest* cat >>conftest.ads <>conftest.adb <&AC_FD_CC 2>&1 ) ; then +if ( "$cf_ada_make" $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then ifelse($3,, :,[ $3]) ifelse($4,,,[ else @@ -1441,32 +1927,26 @@ ifelse($4,,,[ else ifelse($4,,,[else $4]) fi -rm -rf conftest* *~conftest* +rm -rf ./conftest* ./*~conftest* ])dnl dnl --------------------------------------------------------------------------- -dnl CF_GNAT_VERSION version: 20 updated: 2015/04/18 08:56:57 +dnl CF_GNAT_VERSION version: 22 updated: 2019/12/31 08:53:54 dnl --------------- -dnl Verify version of GNAT. +dnl $1 = cache variable to update +dnl $2 = program name +dnl Verify version of GNAT or related tool AC_DEFUN([CF_GNAT_VERSION], [ -AC_MSG_CHECKING(for gnat version) -cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \ +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/ .*//'` -AC_MSG_RESULT($cf_gnat_version) - -case $cf_gnat_version in -(3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]]) - cf_cv_prog_gnat_correct=yes - ;; -(*) - AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.) - cf_cv_prog_gnat_correct=no - ;; -esac ]) +test -z "$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: 7 updated: 2016/08/05 05:15:37 +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 @@ -1474,42 +1954,110 @@ 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], [ -AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[ +cf_gnu_xopen_source=ifelse($1,,500,$1) + +AC_CACHE_CHECK(if this is the GNU C library,cf_cv_gnu_library,[ AC_TRY_COMPILE([#include ],[ -#ifndef _XOPEN_SOURCE -make an error -#endif], - [cf_cv_gnu_source=no], - [cf_save="$CPPFLAGS" - CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE" - AC_TRY_COMPILE([#include ],[ -#ifdef _XOPEN_SOURCE -make an error -#endif], - [cf_cv_gnu_source=no], - [cf_cv_gnu_source=yes]) - CPPFLAGS="$cf_save" - ]) + #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 "$cf_cv_gnu_source" = yes -then -AC_CACHE_CHECK(if we should also define _DEFAULT_SOURCE,cf_cv_default_source,[ -CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE" - AC_TRY_COMPILE([#include ],[ -#ifdef _DEFAULT_SOURCE -make an error -#endif], - [cf_cv_default_source=no], - [cf_cv_default_source=yes]) +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="$cf_save" ]) -test "$cf_cv_default_source" = yes && CPPFLAGS="$CPPFLAGS -D_DEFAULT_SOURCE" + + if test "x$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: 13 updated: 2015/04/15 19:08:48 +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 @@ -1525,7 +2073,7 @@ cf_header_path_list="" if test -n "${CFLAGS}${CPPFLAGS}" ; then for cf_header_path in $CPPFLAGS $CFLAGS do - case $cf_header_path in + case "$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) @@ -1541,25 +2089,26 @@ 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/$2" + test -d "$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/$2" + test -d "$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: 3 updated: 1998/01/14 10:56:23 +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], -[AC_DIVERT_HELP([$1])dnl +[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 @@ -1579,7 +2128,168 @@ CPPFLAGS="-I. $CPPFLAGS" AC_SUBST(CPPFLAGS) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_INTEL_COMPILER version: 7 updated: 2015/04/12 15:39:00 +dnl CF_INSTALL_OPTS version: 3 updated: 2023/06/03 15:17:30 +dnl --------------- +dnl prompt for/fill-in useful install-program options +AC_DEFUN([CF_INSTALL_OPTS], +[ +CF_INSTALL_OPT_S +CF_INSTALL_OPT_P +CF_INSTALL_OPT_O +CF_INSTALL_OPT_STRIP_PROG +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_INSTALL_OPT_O version: 3 updated: 2020/12/31 20:19:42 +dnl ---------------- +dnl Almost all "install" programs default to the current user's ownership. +dnl Almost - MINIX is an exception. +AC_DEFUN([CF_INSTALL_OPT_O], +[ +AC_MSG_CHECKING(if install needs to be told about ownership) +case `$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 "$enable_stripping" = yes +then + INSTALL_OPT_S="-s" +else + INSTALL_OPT_S= +fi +AC_SUBST(INSTALL_OPT_S) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_INSTALL_OPT_STRIP_PROG version: 1 updated: 2023/06/03 15:17:30 +dnl ------------------------- +dnl Provide an option for overriding the strip program used in install "-s" +dnl +dnl coreutils install provides a --strip-program option +dnl FreeBSD uses STRIPBIN environment variable, while NetBSD and OpenBSD use +dnl STRIP environment variable. Other versions of install do not support this. +AC_DEFUN([CF_INSTALL_OPT_STRIP_PROG], +[ +AC_REQUIRE([CF_INSTALL_OPT_S]) +if test -n "$INSTALL_OPT_S" +then + AC_MSG_CHECKING(if you want to specify strip-program) + AC_ARG_WITH(strip-program, + [ --with-strip-program=XX specify program to use when stripping in install], + [with_strip_program=$withval], + [with_strip_program=no]) + AC_MSG_RESULT($with_strip_program) + if test "$with_strip_program" != no + then + AC_MSG_CHECKING(if strip-program is supported with this installer) + cf_install_program=`echo "$INSTALL" | sed -e 's%[[ ]]*[[ ]]-.%%'` + check_install_strip=no + if test -f "$cf_install_program" + then + check_install_version=`"$cf_install_program" --version 2>/dev/null | head -n 1 | grep coreutils` + if test -n "$check_install_version" + then + check_install_strip="option" + else + for check_strip_variable in STRIPBIN STRIP + do + if strings "$cf_install_program" | grep "^$check_strip_variable[$]" >/dev/null + then + check_install_strip="environ" + break + fi + done + fi + fi + AC_MSG_RESULT($check_install_strip) + case "$check_install_strip" in + (no) + AC_MSG_WARN($cf_install_program does not support strip program option) + with_strip_program=no + ;; + (environ) + cat >install.tmp <<-CF_EOF + #! $SHELL + STRIPBIN="$with_strip_program" \\ + STRIP="$with_strip_program" \\ + $INSTALL "[$]@" + CF_EOF + INSTALL="`pwd`/install.tmp" + chmod +x "$INSTALL" + CF_VERBOSE(created $INSTALL) + ;; + (option) + INSTALL_OPT_S="$INSTALL_OPT_S --strip-program=\"$with_strip_program\"" + ;; + esac + fi +fi +AC_SUBST(INSTALL_OPT_S) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_INTEL_COMPILER version: 9 updated: 2023/02/18 17:41:25 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 @@ -1597,7 +2307,7 @@ AC_REQUIRE([AC_CANONICAL_HOST]) ifelse([$2],,INTEL_COMPILER,[$2])=no if test "$ifelse([$1],,[$1],GCC)" = yes ; then - case $host_os in + case "$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,[$3])" @@ -1605,7 +2315,7 @@ if test "$ifelse([$1],,[$1],GCC)" = yes ; then AC_TRY_COMPILE([],[ #ifdef __INTEL_COMPILER #else -make an error +#error __INTEL_COMPILER is not defined #endif ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes cf_save_CFLAGS="$cf_save_CFLAGS -we147" @@ -1617,7 +2327,7 @@ cf_save_CFLAGS="$cf_save_CFLAGS -we147" fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_LARGEFILE version: 9 updated: 2015/04/18 08:56:57 +dnl CF_LARGEFILE version: 13 updated: 2023/12/03 19:09:59 dnl ------------ dnl Add checks for large file support. AC_DEFUN([CF_LARGEFILE],[ @@ -1633,20 +2343,35 @@ ifdef([AC_FUNC_FSEEKO],[ # header files by themselves before looking at the body files it is # told to compile. For ncurses, those header files do not include # the config.h - test "$ac_cv_sys_large_files" != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES " - test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE " - test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits " + 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 + +#ifndef __REDIRECT +/* if transitional largefile support is setup, this is true */ +extern struct dirent64 * readdir(DIR *); +#endif ],[ - /* 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); + DIR *dp = opendir("."); + struct dirent64 *x = readdir(dp); + struct dirent *y = readdir(dp); int z = x - y; + (void)z; ], [cf_cv_struct_dirent64=yes], [cf_cv_struct_dirent64=no]) @@ -1656,7 +2381,7 @@ ifdef([AC_FUNC_FSEEKO],[ ]) ]) dnl --------------------------------------------------------------------------- -dnl CF_LD_RPATH_OPT version: 7 updated: 2016/02/20 18:01:19 +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. @@ -1665,52 +2390,55 @@ AC_DEFUN([CF_LD_RPATH_OPT], AC_REQUIRE([CF_CHECK_CACHE]) LD_RPATH_OPT= -AC_MSG_CHECKING(for an rpath option) -case $cf_cv_system_name in -(irix*) - if test "$GCC" = yes; then +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 "$GCC" = yes; then + LD_RPATH_OPT="-Wl,-rpath," + else + LD_RPATH_OPT="-rpath " + fi + ;; + (linux*|gnu*|k*bsd*-gnu|freebsd*) LD_RPATH_OPT="-Wl,-rpath," - else + ;; + (openbsd[[2-9]].*|mirbsd*) + LD_RPATH_OPT="-Wl,-rpath," + ;; + (dragonfly*) LD_RPATH_OPT="-rpath " - fi - ;; -(linux*|gnu*|k*bsd*-gnu|freebsd*) - LD_RPATH_OPT="-Wl,-rpath," - ;; -(openbsd[[2-9]].*|mirbsd*) - LD_RPATH_OPT="-Wl,-rpath," - ;; -(dragonfly*) - LD_RPATH_OPT="-rpath " - ;; -(netbsd*) - LD_RPATH_OPT="-Wl,-rpath," - ;; -(osf*|mls+*) - LD_RPATH_OPT="-rpath " - ;; -(solaris2*) - LD_RPATH_OPT="-R" - ;; -(*) - ;; -esac -AC_MSG_RESULT($LD_RPATH_OPT) + ;; + (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="$LD_RPATH_OPT " - ;; -esac + case "x$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="$LD_RPATH_OPT " + ;; + esac +fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_LIBRARY_PATH version: 10 updated: 2015/04/15 19:08:48 +dnl CF_LIBRARY_PATH version: 11 updated: 2021/01/01 13:31:04 dnl --------------- dnl Construct a search-list of directories for a nonstandard library-file dnl @@ -1724,7 +2452,7 @@ cf_library_path_list="" if test -n "${LDFLAGS}${LIBS}" ; then for cf_library_path in $LDFLAGS $LIBS do - case $cf_library_path in + case "$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) @@ -1739,13 +2467,13 @@ CF_SUBDIR_PATH($1,$2,lib) $1="$cf_library_path_list [$]$1" ])dnl dnl --------------------------------------------------------------------------- -dnl CF_LIB_PREFIX version: 12 updated: 2015/10/17 19:03:33 +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 $cf_cv_system_name in + case "$cf_cv_system_name" in (OS/2*|os2*) if test "$DFT_LWR_MODEL" = libtool; then LIB_PREFIX='lib' @@ -1753,6 +2481,9 @@ define([CF_LIB_PREFIX], LIB_PREFIX='' fi ;; + (*-msvc*) + LIB_PREFIX='' + ;; (*) LIB_PREFIX='lib' ;; esac @@ -1760,7 +2491,7 @@ ifelse($1,,,[$1=$LIB_PREFIX]) AC_SUBST(LIB_PREFIX) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_LIB_SUFFIX version: 25 updated: 2015/04/17 21:13:04 +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 @@ -1775,19 +2506,37 @@ AC_DEFUN([CF_LIB_SUFFIX], $3=[$]$2 ;; (Xdebug) - $2='_g.a' + case "$cf_cv_system_name" in + (*-msvc*) + $2='_g.lib' + ;; + (*) + $2='_g.a' + ;; + esac $3=[$]$2 ;; (Xprofile) - $2='_p.a' + case "$cf_cv_system_name" in + (*-msvc*) + $2='_p.lib' + ;; + (*) + $2='_p.a' + ;; + esac $3=[$]$2 ;; (Xshared) - case $cf_cv_system_name in + case "$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' @@ -1797,7 +2546,7 @@ AC_DEFUN([CF_LIB_SUFFIX], $3=[$]$2 ;; (hpux*) - case $target in + case "$target" in (ia64*) $2='.so' $3=[$]$2 @@ -1815,7 +2564,14 @@ AC_DEFUN([CF_LIB_SUFFIX], esac ;; (*) - $2='.a' + case "$target" in + (*-msvc*) + $2='.lib' + ;; + (*) + $2='.a' + ;; + esac $3=[$]$2 ;; esac @@ -1844,7 +2600,7 @@ AC_DEFUN([CF_LIB_TYPE], test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}" ])dnl dnl --------------------------------------------------------------------------- -dnl CF_LINK_DATAONLY version: 10 updated: 2012/10/06 17:41:51 +dnl CF_LINK_DATAONLY version: 15 updated: 2023/12/03 10:03:10 dnl ---------------- dnl Some systems have a non-ANSI linker that doesn't pull in modules that have dnl only data (i.e., no functions), for example NeXT. On those systems we'll @@ -1866,17 +2622,21 @@ EOF rm -f conftest.$ac_ext data.o cat >conftest.$ac_ext </dev/null | fgrep -v "ing directory" | sed -e 's,[[ ]]*$,,'` + cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/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` + cf_result="`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`" case "$cf_result" in (.*CC=*) cf_cv_makeflags= ;; @@ -1936,8 +2698,10 @@ CF_EOF esac break ;; - (.-) ;; - (*) echo "given option \"$cf_option\", no match \"$cf_result\"" + (.-) + ;; + (*) + CF_MSG_LOG(given option \"$cf_option\", no match \"$cf_result\") ;; esac done @@ -1947,6 +2711,89 @@ CF_EOF 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$cf_cv_make_PHONY" != xyes && MAKE_NO_PHONY= +AC_SUBST(MAKE_NO_PHONY) +AC_SUBST(MAKE_PHONY) +])dnl +dnl --------------------------------------------------------------------------- dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32 dnl ------------ dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have @@ -1984,7 +2831,7 @@ AC_SUBST(MAKE_UPPER_TAGS) AC_SUBST(MAKE_LOWER_TAGS) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_MIXEDCASE_FILENAMES version: 7 updated: 2015/04/12 15:39:00 +dnl CF_MIXEDCASE_FILENAMES version: 9 updated: 2021/01/01 16:53:59 dnl ---------------------- dnl Check if the file-system supports mixed-case filenames. If we're able to dnl create a lowercase name and see it as uppercase, it doesn't support that. @@ -1992,8 +2839,8 @@ AC_DEFUN([CF_MIXEDCASE_FILENAMES], [ AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[ if test "$cross_compiling" = yes ; then - case $target_alias in - (*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*) + case "$target_alias" in + (*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*|darwin*) cf_cv_mixedcase=no ;; (*) @@ -2014,22 +2861,22 @@ fi test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.]) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_MKSTEMP version: 9 updated: 2012/10/03 04:34:49 +dnl CF_MKSTEMP version: 13 updated: 2023/12/01 17:22:50 dnl ---------- dnl Check for a working mkstemp. This creates two files, checks that they are dnl successfully created and distinct (AmigaOS apparently fails on the last). AC_DEFUN([CF_MKSTEMP],[ +AC_CHECK_HEADERS( \ +unistd.h \ +) AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[ -rm -rf conftest* +rm -rf ./conftest* AC_TRY_RUN([ -#include -#include -#include -#include -#include -int main() +$ac_includes_default + +int main(void) { - char *tmpl = "conftestXXXXXX"; + static char tmpl[] = "conftestXXXXXX"; char name[2][80]; int n; int result = 0; @@ -2074,7 +2921,7 @@ AC_DEFUN([CF_MSG_LOG],[ echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC ])dnl dnl --------------------------------------------------------------------------- -dnl CF_NCURSES_ADDON version: 5 updated: 2015/04/26 18:06:58 +dnl CF_NCURSES_ADDON version: 6 updated: 2021/01/04 19:33:05 dnl ---------------- dnl Configure an ncurses add-on, built outside the ncurses tree. AC_DEFUN([CF_NCURSES_ADDON],[ @@ -2130,7 +2977,7 @@ CF_EOF cf_try="$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=`cat conftest.out | sed -e "s/^.*AUTOCONF_$cf_name[[ ]][[ ]]*//"` + cf_result=`sed -e "s/^.*AUTOCONF_${cf_name}[[ ]][[ ]]*//" conftest.out` eval NCURSES_$cf_name=\"$cf_result\" # cat conftest.$ac_ext # cat conftest.out @@ -2164,7 +3011,7 @@ AC_SUBST(cf_cv_type_of_bool)dnl ]) dnl --------------------------------------------------------------------------- -dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05 +dnl CF_NCURSES_CC_CHECK version: 6 updated: 2023/02/18 17:47:58 dnl ------------------- dnl Check if we can compile with ncurses' header file dnl $1 is the cache variable to set @@ -2181,15 +3028,15 @@ AC_DEFUN([CF_NCURSES_CC_CHECK],[ #ifdef NCURSES_VERSION ]ifelse($3,ncursesw,[ #ifndef WACS_BSSB - make an error + #error WACS_BSSB is not defined #endif ])[ -printf("%s\n", NCURSES_VERSION); +printf("%s\\n", NCURSES_VERSION); #else #ifdef __NCURSES_H -printf("old\n"); +printf("old\\n"); #else - make an error + #error __NCURSES_H is not defined #endif #endif ] @@ -2197,7 +3044,7 @@ printf("old\n"); ,[$1=no]) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_NCURSES_CONFIG version: 17 updated: 2015/07/07 04:22:07 +dnl CF_NCURSES_CONFIG version: 28 updated: 2021/08/28 15:20:37 dnl ----------------- dnl Tie together the configure-script macros for ncurses, preferring these in dnl order: @@ -2219,17 +3066,53 @@ if test "x${PKG_CONFIG:=none}" != xnone; then 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" - CPPFLAGS="$CPPFLAGS `$PKG_CONFIG --cflags $cf_ncuconfig_root`" - CF_ADD_LIBS(`$PKG_CONFIG --libs $cf_ncuconfig_root`) + cf_pkg_cflags="`$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 <${cf_cv_ncurses_header:-curses.h}>], - [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);], + [initscr(); mousemask(0,0); tigetstr((char *)0);], [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}> int main(void) - { char *xx = curses_version(); return (xx == 0); }], + { const char *xx = curses_version(); return (xx == 0); }], [cf_have_ncuconfig=yes], [cf_have_ncuconfig=no], [cf_have_ncuconfig=maybe])], @@ -2244,6 +3127,7 @@ if test "x${PKG_CONFIG:=none}" != xnone; then else AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries]) NCURSES_CONFIG_PKG=$cf_ncuconfig_root + CF_TERM_HEADER fi else @@ -2255,15 +3139,15 @@ else fi if test "x$cf_have_ncuconfig" = "xno"; then - echo "Looking for ${cf_ncuconfig_root}-config" + cf_ncurses_config="${cf_ncuconfig_root}${NCURSES_CONFIG_SUFFIX}-config"; echo "Looking for ${cf_ncurses_config}" CF_ACVERSION_CHECK(2.52, - [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncuconfig_root}-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)], - [AC_PATH_PROGS(NCURSES_CONFIG, ${cf_ncuconfig_root}-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)]) + [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 - CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`" + CF_APPEND_CFLAGS(`$NCURSES_CONFIG --cflags`) CF_ADD_LIBS(`$NCURSES_CONFIG --libs`) # even with config script, some packages use no-override for curses.h @@ -2277,7 +3161,7 @@ if test "x$cf_have_ncuconfig" = "xno"; then AC_DEFINE_UNQUOTED($cf_nculib_ROOT) dnl like CF_NCURSES_VERSION - cf_cv_ncurses_version=`$NCURSES_CONFIG --version` + cf_cv_ncurses_version="`$NCURSES_CONFIG --version`" else @@ -2290,7 +3174,7 @@ else fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_NCURSES_CPPFLAGS version: 21 updated: 2012/10/06 08:57:51 +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. @@ -2324,7 +3208,7 @@ test "$cf_cv_curses_dir" != "no" && { \ 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" + { 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) @@ -2341,7 +3225,7 @@ AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries]) CF_NCURSES_VERSION ])dnl dnl --------------------------------------------------------------------------- -dnl CF_NCURSES_HEADER version: 4 updated: 2015/04/15 19:08:48 +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. @@ -2356,7 +3240,7 @@ 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 $cf_search + test -n "$verbose" && echo "search path $cf_search" cf_save2_CPPFLAGS="$CPPFLAGS" for cf_incdir in $cf_search do @@ -2368,7 +3252,7 @@ AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[ CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1) if test "$cf_cv_ncurses_h2" != no ; then cf_cv_ncurses_h2=$cf_incdir/$cf_header - test -n "$verbose" && echo $ac_n " ... found $ac_c" 1>&AC_FD_MSG + test -n "$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 @@ -2380,9 +3264,9 @@ AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[ ]) CF_DIRNAME(cf_1st_incdir,$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/$cf_cv_ncurses_header + cf_cv_ncurses_header="`basename "$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) @@ -2390,13 +3274,13 @@ fi # Set definitions to allow ifdef'ing for ncurses.h -case $cf_cv_ncurses_header in +case "$cf_cv_ncurses_header" in (*ncurses.h) AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h]) ;; esac -case $cf_cv_ncurses_header in +case "$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]) ;; @@ -2407,7 +3291,7 @@ esac ])dnl dnl --------------------------------------------------------------------------- -dnl CF_NCURSES_LIBS version: 17 updated: 2015/04/15 19:08:48 +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. @@ -2433,10 +3317,10 @@ AC_CHECK_LIB(gpm,Gpm_Open, [LIBS="$cf_ncurses_SAVE"], [cf_ncurses_LIBS="-lgpm"])]) -case $host_os in +case "$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's static). + # 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 $cf_ncurses_LIBS"]) fi @@ -2445,7 +3329,7 @@ esac CF_ADD_LIBS($cf_ncurses_LIBS) -if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" ) +if test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" then CF_ADD_LIBS(-l$cf_nculib_root) else @@ -2459,13 +3343,13 @@ if test -n "$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%$p$%%"` + 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); tgoto((char *)0, 0, 0);], + [initscr(); mousemask(0,0); tigetstr((char *)0);], [AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no) LIBS="$cf_ncurses_SAVE"]) @@ -2475,7 +3359,7 @@ CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root) AC_DEFINE_UNQUOTED($cf_nculib_ROOT) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_NCURSES_VERSION version: 14 updated: 2012/10/06 08:57:51 +dnl CF_NCURSES_VERSION version: 18 updated: 2024/01/07 06:34:16 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 @@ -2486,24 +3370,26 @@ 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 $cf_tempfile + rm -f "$cf_tempfile" AC_TRY_RUN([ +$ac_includes_default + #include <${cf_cv_ncurses_header:-curses.h}> -#include -int main() + +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); + fprintf(fp, "%s.%d\\n", NCURSES_VERSION, NCURSES_VERSION_PATCH); # else - fprintf(fp, "%s\n", NCURSES_VERSION); + fprintf(fp, "%s\\n", NCURSES_VERSION); # endif #else # ifdef __NCURSES_H - fprintf(fp, "old\n"); + fprintf(fp, "old\\n"); # else - make an error + #error expected ncurses header to define __NCURSES_H # endif #endif ${cf_cv_main_return:-return}(0); @@ -2512,7 +3398,7 @@ int main() # This will not work if the preprocessor splits the line after the # Autoconf token. The 'unproto' program does that. - cat > conftest.$ac_ext < "conftest.$ac_ext" < #undef Autoconf #ifdef NCURSES_VERSION @@ -2527,17 +3413,17 @@ EOF cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out" AC_TRY_EVAL(cf_try) if test -f conftest.out ; then - cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'` + cf_out=`sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%' conftest.out` test -n "$cf_out" && cf_cv_ncurses_version="$cf_out" rm -f conftest.out fi ]) - rm -f $cf_tempfile + rm -f "$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: 7 updated: 2015/04/17 21:13:04 +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], @@ -2548,7 +3434,7 @@ AC_DEFUN([CF_OBJ_SUBDIR], (debug) $2='obj_g' ;; (profile) $2='obj_p' ;; (shared) - case $cf_cv_system_name in + case "$cf_cv_system_name" in (cygwin|msys) $2='objects' ;; (*) @@ -2557,14 +3443,14 @@ AC_DEFUN([CF_OBJ_SUBDIR], esac ])dnl dnl --------------------------------------------------------------------------- -dnl CF_PATHSEP version: 7 updated: 2015/04/12 15:39:00 +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 $cf_cv_system_name in + case "$cf_cv_system_name" in (os2*) PATH_SEPARATOR=';' ;; (*) ${PATH_SEPARATOR:=':'} ;; esac @@ -2573,7 +3459,7 @@ ifelse([$1],,,[$1=$PATH_SEPARATOR]) AC_MSG_RESULT($PATH_SEPARATOR) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_PATH_SYNTAX version: 16 updated: 2015/04/18 08:56:57 +dnl CF_PATH_SYNTAX version: 18 updated: 2020/12/31 18:40:20 dnl -------------- dnl Check the argument to see that it looks like a pathname. Rewrite it if it dnl begins with one of the prefix/exec_prefix variables, and then again if the @@ -2593,16 +3479,16 @@ case ".[$]$1" in ;; (.[[a-zA-Z]]:[[\\/]]*) # OS/2 EMX ;; -(.\[$]{*prefix}*|.\[$]{*dir}*) +(.\[$]\{*prefix\}*|.\[$]\{*dir\}*) eval $1="[$]$1" case ".[$]$1" in (.NONE/*) - $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%` + $1=`echo "[$]$1" | sed -e s%NONE%$cf_path_syntax%` ;; esac ;; (.no|.NONE/*) - $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%` + $1=`echo "[$]$1" | sed -e s%NONE%$cf_path_syntax%` ;; (*) ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2) @@ -2610,19 +3496,21 @@ case ".[$]$1" in esac ])dnl dnl --------------------------------------------------------------------------- -dnl CF_PKG_CONFIG version: 10 updated: 2015/04/26 18:06:58 +dnl CF_PKG_CONFIG version: 13 updated: 2023/10/28 11:59:01 dnl ------------- dnl Check for the package-config program, unless disabled by command-line. +dnl +dnl Sets $PKG_CONFIG to the pathname of the pkg-config program. AC_DEFUN([CF_PKG_CONFIG], [ AC_MSG_CHECKING(if you want to use pkg-config) AC_ARG_WITH(pkg-config, - [ --with-pkg-config{=path} enable/disable use of pkg-config], + [[ --with-pkg-config[=CMD] enable/disable use of pkg-config and its name CMD]], [cf_pkg_config=$withval], [cf_pkg_config=yes]) AC_MSG_RESULT($cf_pkg_config) -case $cf_pkg_config in +case "$cf_pkg_config" in (no) PKG_CONFIG=none ;; @@ -2646,7 +3534,7 @@ fi AC_SUBST(PKG_CONFIG) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_POSIX_C_SOURCE version: 9 updated: 2015/04/12 15:39:00 +dnl CF_POSIX_C_SOURCE version: 12 updated: 2023/02/18 17:41:25 dnl ----------------- dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed. dnl @@ -2661,7 +3549,10 @@ 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" @@ -2674,7 +3565,7 @@ 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 +#error _POSIX_C_SOURCE is not defined #endif], [cf_cv_posix_c_source=no], [cf_want_posix_source=no @@ -2693,17 +3584,18 @@ make an error if test "$cf_want_posix_source" = yes ; then AC_TRY_COMPILE([#include ],[ #ifdef _POSIX_SOURCE -make an error +#error _POSIX_SOURCE is defined #endif],[], cf_cv_posix_c_source="$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 $cf_cv_posix_c_source" + CPPFLAGS="$cf_trim_CPPFLAGS" + CF_APPEND_TEXT(CPPFLAGS,$cf_cv_posix_c_source) CF_MSG_LOG(if the second compile does not leave our definition intact error) AC_TRY_COMPILE([#include ],[ #ifndef _POSIX_C_SOURCE -make an error +#error _POSIX_C_SOURCE is not defined #endif],, [cf_cv_posix_c_source=no]) CFLAGS="$cf_save_CFLAGS" @@ -2717,6 +3609,35 @@ if test "$cf_cv_posix_c_source" != no ; then CF_ADD_CFLAGS($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 @@ -2735,11 +3656,15 @@ AC_PROG_AWK test -z "$AWK" && AC_MSG_ERROR(No awk program found) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_PROG_CC version: 4 updated: 2014/07/12 18:57:58 +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, @@ -2748,7 +3673,7 @@ CF_ACVERSION_CHECK(2.52, CF_CC_ENV_FLAGS ])dnl dnl --------------------------------------------------------------------------- -dnl CF_PROG_CC_C_O version: 4 updated: 2016/05/21 18:08:09 +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 $CC, ensures that dnl the output file can be renamed, and allows for a shell variable that can @@ -2765,7 +3690,7 @@ AC_MSG_CHECKING([whether [$]$1 understands -c and -o together]) AC_CACHE_VAL(cf_cv_prog_$1_c_o, [ cat > conftest.$ac_ext <&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 "$cf_cv_prog_gnat_correct" = yes; then - AC_MSG_CHECKING(if GNAT works) - CF_GNAT_TRY_RUN([procedure conftest;], + if test "x$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 @@ -2855,12 +3843,38 @@ 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($cf_cv_prog_gnat_correct) +end conftest;], +[cf_cv_prog_gnat_correct=yes], +[cf_cv_prog_gnat_correct=no]) + AC_MSG_RESULT($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 "$INSTALL" | sed -e 's%^.*/%%'`" + ;; +esac ])dnl dnl --------------------------------------------------------------------------- dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37 @@ -2885,6 +3899,24 @@ AC_MSG_RESULT($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 @@ -2915,7 +3947,43 @@ define([CF_REMOVE_LIB], $1=`echo "$2" | sed -e 's/-l$3[[ ]]//g' -e 's/-l$3[$]//'` ])dnl dnl --------------------------------------------------------------------------- -dnl CF_SHARED_OPTS version: 89 updated: 2015/08/15 18:38:59 +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 $cf_X_CFLAGS" + ;; + esac +done +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_SHARED_OPTS version: 111 updated: 2024/03/29 20:08:49 dnl -------------- dnl -------------- dnl Attempt to determine the appropriate CC/LD options for creating a shared @@ -2939,10 +4007,11 @@ dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library dnl version numbers are infix (ex: libncurses..dylib) or postfix dnl (ex: libncurses.so.). dnl -dnl Some loaders leave 'so_locations' lying around. It's nice to clean up. +dnl Some loaders leave 'so_locations' lying around. It is nice to clean up. AC_DEFUN([CF_SHARED_OPTS], [ AC_REQUIRE([CF_LD_RPATH_OPT]) + RM_SHARED_OPTS= LOCAL_LDFLAGS= LOCAL_LDFLAGS2= @@ -2960,11 +4029,11 @@ AC_DEFUN([CF_SHARED_OPTS], cf_ld_rpath_opt= test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT" - AC_MSG_CHECKING(if release/abi version should be used for shared libs) + AC_MSG_CHECKING(whether to use release or ABI version in shared library file names) AC_ARG_WITH(shlib-version, - [ --with-shlib-version=X Specify rel or abi version for shared libs], + [[ --with-shlib-version[={rel|abi}] use release or ABI version in shared library file names]], [test -z "$withval" && withval=auto - case $withval in + case "$withval" in (yes) cf_cv_shlib_version=auto ;; @@ -2984,14 +4053,27 @@ AC_DEFUN([CF_SHARED_OPTS], # 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 $CC_SHARED_OPTS" - AC_TRY_COMPILE([#include ],[int x = 1],[break],[]) + AC_TRY_COMPILE([#include ],[int x = 1; (void)x],[break],[]) done AC_MSG_RESULT($CC_SHARED_OPTS) CFLAGS="$cf_save_CFLAGS" @@ -2999,19 +4081,19 @@ AC_DEFUN([CF_SHARED_OPTS], cf_cv_shlib_version_infix=no - case $cf_cv_system_name in + case "$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} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@' + 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} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@' + MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@' fi ;; (beos*) - MK_SHARED_LIB='${CC} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0' + MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0' ;; (cygwin*) CC_SHARED_OPTS= @@ -3031,7 +4113,7 @@ AC_DEFUN([CF_SHARED_OPTS], ** SHARED_LIB \[$]SHARED_LIB ** IMPORT_LIB \[$]IMPORT_LIB EOF - exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB} + exec \[$]* ${LDFLAGS} -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB} CF_EOF chmod +x mk_shared_lib.sh ;; @@ -3053,14 +4135,14 @@ CF_EOF ** SHARED_LIB \[$]SHARED_LIB ** IMPORT_LIB \[$]IMPORT_LIB EOF - exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB} + 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} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]' + MK_SHARED_LIB='${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, [ @@ -3068,16 +4150,20 @@ CF_EOF 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 $cf_cv_ldflags_search_paths_first = yes; then + if test "$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} -b -o $[@]' + MK_SHARED_LIB='${LD} ${LDFLAGS} -b -o $[@]' INSTALL_LIB="-m 555" ;; (hpux*) @@ -3088,7 +4174,7 @@ CF_EOF CC_SHARED_OPTS='+Z' LD_SHARED_OPTS='-Wl,+b,${libdir}' fi - MK_SHARED_LIB='${LD} +b ${libdir} -b -o $[@]' + MK_SHARED_LIB='${LD} ${LDFLAGS} +b ${libdir} -b -o $[@]' # HP-UX shared libraries must be executable, and should be # readonly to exploit a quirk in the memory manager. INSTALL_LIB="-m 555" @@ -3096,12 +4182,12 @@ CF_EOF (interix*) test "$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}' + cf_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}' else - cf_shared_soname='`basename $@`' + cf_shared_soname='`basename $[@]`' fi CC_SHARED_OPTS= - MK_SHARED_LIB='${CC} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $@' + MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $[@]' ;; (irix*) if test "$cf_cv_enable_rpath" = yes ; then @@ -3110,14 +4196,14 @@ CF_EOF # tested with IRIX 5.2 and 'cc'. if test "$GCC" != yes; then CC_SHARED_OPTS='-KPIC' - MK_SHARED_LIB='${CC} -shared -rdata_shared -soname `basename $[@]` -o $[@]' + MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -rdata_shared -soname `basename $[@]` -o $[@]' else - MK_SHARED_LIB='${CC} -shared -Wl,-soname,`basename $[@]` -o $[@]' + MK_SHARED_LIB='${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" ; then + if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)" LOCAL_LDFLAGS2="$LOCAL_LDFLAGS" fi @@ -3125,7 +4211,113 @@ CF_EOF EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS" fi CF_SHARED_SONAME - MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]' + MK_SHARED_LIB='${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 @@ -3150,12 +4342,12 @@ CF_EOF ** SHARED_LIB \[$]SHARED_LIB ** IMPORT_LIB \[$]IMPORT_LIB EOF - exec \[$]* -shared -Wl,--enable-auto-import,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB} + 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" ; then + if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)" LOCAL_LDFLAGS2="$LOCAL_LDFLAGS" fi @@ -3164,11 +4356,19 @@ CF_EOF fi CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC" CF_SHARED_SONAME - MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]' + MK_SHARED_LIB='${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} -Bshareable -o $[@]' + MK_SHARED_LIB='${LD} ${LDFLAGS} -Bshareable -o $[@]' test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel ;; (dragonfly*|freebsd*) @@ -3179,7 +4379,7 @@ CF_EOF EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS" fi CF_SHARED_SONAME - MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]' + MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]' ;; (netbsd*) CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC" @@ -3195,23 +4395,23 @@ CF_EOF fi fi CF_SHARED_SONAME - MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]' + MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]' else - MK_SHARED_LIB='${CC} -Wl,-shared -Wl,-Bshareable -o $[@]' + MK_SHARED_LIB='${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} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`' - case $host_os in + MK_SHARED_LIB='${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" ; then + if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)" LOCAL_LDFLAGS2="$LOCAL_LDFLAGS" fi @@ -3222,7 +4422,7 @@ CF_EOF if test "$GCC" != yes; then CC_SHARED_OPTS='-belf -KPIC' fi - MK_SHARED_LIB='${LD} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@' + 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 @@ -3236,18 +4436,18 @@ CF_EOF if test "$GCC" != yes; then CC_SHARED_OPTS='-KPIC' fi - MK_SHARED_LIB='${LD} -assert pure-text -o $[@]' + MK_SHARED_LIB='${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 "$DFT_LWR_MODEL" = "shared" ; then - LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}" + LOCAL_LDFLAGS="-R\$(LOCAL_LIBDIR):\${libdir}" LOCAL_LDFLAGS2="$LOCAL_LDFLAGS" fi if test "$cf_cv_enable_rpath" = yes ; then - EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS" + EXTRA_LDFLAGS="-R\${libdir} $EXTRA_LDFLAGS" fi CF_SHARED_SONAME if test "$GCC" != yes; then @@ -3255,13 +4455,13 @@ CF_EOF for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O do CFLAGS="$cf_shared_opts $cf_save_CFLAGS" - AC_TRY_COMPILE([#include ],[printf("Hello\n");],[break]) + AC_TRY_COMPILE([#include ],[printf("Hello\\n");],[break]) done CFLAGS="$cf_save_CFLAGS" CC_SHARED_OPTS=$cf_shared_opts - MK_SHARED_LIB='${CC} -dy -G -h '$cf_cv_shared_soname' -o $[@]' + MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -dy -G -Wl,-h,'$cf_cv_shared_soname' -o $[@]' else - MK_SHARED_LIB='${CC} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]' + MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -dy -G -Wl,-h,'$cf_cv_shared_soname' -o $[@]' fi ;; (sysv5uw7*|unix_sv*) @@ -3269,7 +4469,7 @@ CF_EOF if test "$GCC" != yes; then CC_SHARED_OPTS='-KPIC' fi - MK_SHARED_LIB='${LD} -d y -G -o [$]@' + MK_SHARED_LIB='${LD} ${LDFLAGS} -d y -G -o [$]@' ;; (*) CC_SHARED_OPTS='unknown' @@ -3298,7 +4498,7 @@ cat > conftest.$ac_ext < int main(int argc, char *argv[[]]) { - printf("hello\n"); + printf("hello\\n"); return (argv[[argc-1]] == 0) ; } EOF @@ -3322,7 +4522,7 @@ EOF test -n "$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" + 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) @@ -3362,11 +4562,11 @@ define([CF_SHARED_SONAME], fi ]) dnl --------------------------------------------------------------------------- -dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52 +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 ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl +[$1=`echo "${$1}" | CF__SED_TRIMBLANKS(-e 's%-g %%' -e 's%-g$%%')`])dnl dnl --------------------------------------------------------------------------- dnl CF_SUBDIR_PATH version: 7 updated: 2014/12/04 04:33:06 dnl -------------- @@ -3392,14 +4592,14 @@ do done ])dnl dnl --------------------------------------------------------------------------- -dnl CF_TERM_HEADER version: 4 updated: 2015/04/15 19:08:48 +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 ${cf_cv_ncurses_header} in +case "${cf_cv_ncurses_header}" in (*/ncurses.h|*/ncursesw.h) cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'` ;; @@ -3413,7 +4613,7 @@ do AC_TRY_COMPILE([#include #include <${cf_cv_ncurses_header:-curses.h}> #include <$cf_test> -],[int x = auto_left_margin],[ +],[int x = auto_left_margin; (void)x],[ cf_cv_term_header="$cf_test"],[ cf_cv_term_header=unknown ]) @@ -3423,13 +4623,13 @@ done # Set definitions to allow ifdef'ing to accommodate subdirectories -case $cf_cv_term_header in +case "$cf_cv_term_header" in (*term.h) AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h]) ;; esac -case $cf_cv_term_header in +case "$cf_cv_term_header" in (ncurses/term.h) AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h]) ;; @@ -3448,34 +4648,20 @@ top_builddir=ifelse($1,,`pwd`,$1) AC_SUBST(top_builddir) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50 +dnl CF_TRY_XOPEN_SOURCE version: 4 updated: 2022/09/10 15:16:16 dnl ------------------- dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we dnl can define it successfully. AC_DEFUN([CF_TRY_XOPEN_SOURCE],[ AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[ - AC_TRY_COMPILE([ -#include -#include -#include -],[ -#ifndef _XOPEN_SOURCE -make an error -#endif], + AC_TRY_COMPILE(CF__XOPEN_SOURCE_HEAD,CF__XOPEN_SOURCE_BODY, [cf_cv_xopen_source=no], [cf_save="$CPPFLAGS" - CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$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" + CF_APPEND_TEXT(CPPFLAGS,-D_XOPEN_SOURCE=$cf_XOPEN_SOURCE) + AC_TRY_COMPILE(CF__XOPEN_SOURCE_HEAD,CF__XOPEN_SOURCE_BODY, + [cf_cv_xopen_source=no], + [cf_cv_xopen_source=$cf_XOPEN_SOURCE]) + CPPFLAGS="$cf_save" ]) ]) @@ -3483,7 +4669,7 @@ if test "$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=$cf_cv_xopen_source" - CF_ADD_CFLAGS($cf_temp_xopen_source) + CF_APPEND_CFLAGS($cf_temp_xopen_source) fi ]) dnl --------------------------------------------------------------------------- @@ -3496,15 +4682,20 @@ AC_DEFUN([CF_UPPER], $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%` ])dnl dnl --------------------------------------------------------------------------- -dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51 +dnl CF_UTF8_LIB version: 10 updated: 2023/01/11 04:05:23 dnl ----------- dnl Check for multibyte support, and if not found, utf8 compatibility library AC_DEFUN([CF_UTF8_LIB], [ +AC_HAVE_HEADERS(wchar.h) AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[ cf_save_LIBS="$LIBS" AC_TRY_LINK([ -#include ],[putwc(0,0);], +$ac_includes_default +#ifdef HAVE_WCHAR_H +#include +#endif +],[putwc(0,0);], [cf_cv_utf8_lib=yes], [CF_FIND_LINKAGE([ #include ],[putwc(0,0);],utf8, @@ -3556,26 +4747,26 @@ weak_symbol(fopen); ]) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58 +dnl CF_WITH_ADA_COMPILER version: 3 updated: 2023/10/28 11:59:01 dnl -------------------- dnl Command-line option to specify the Ada95 compiler. AC_DEFUN([CF_WITH_ADA_COMPILER],[ -AC_MSG_CHECKING(for ada-compiler) +AC_MSG_CHECKING(for Ada95 compiler) AC_ARG_WITH(ada-compiler, - [ --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)], + [[ --with-ada-compiler[=CMD] use CMD as Ada95 compiler (default: gnatmake)]], [cf_ada_compiler=$withval], [cf_ada_compiler=gnatmake]) AC_SUBST(cf_ada_compiler) AC_MSG_RESULT($cf_ada_compiler) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58 +dnl CF_WITH_ADA_INCLUDE version: 3 updated: 2023/10/28 11:59:01 dnl ------------------- dnl Command-line option to specify where Ada includes will install. AC_DEFUN([CF_WITH_ADA_INCLUDE],[ -AC_MSG_CHECKING(for ada-include) +AC_MSG_CHECKING(for Ada95 include directory) CF_WITH_PATH(ada-include, - [ --with-ada-include=DIR Ada includes are in DIR], + [ --with-ada-include=DIR find Ada95 includes in DIR], ADA_INCLUDE, PREFIX/share/ada/adainclude, [$]prefix/share/ada/adainclude) @@ -3583,13 +4774,34 @@ AC_SUBST(ADA_INCLUDE) AC_MSG_RESULT($ADA_INCLUDE) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58 +dnl CF_WITH_ADA_LIBNAME version: 3 updated: 2023/11/22 20:48:30 +dnl ------------------- +dnl CF_WITH_ADA_LIBNAME +dnl ------------------- +dnl Command-line option to specify how to name the resulting Ada library. +dnl $1 = default value +AC_DEFUN([CF_WITH_ADA_LIBNAME],[ +AC_MSG_CHECKING(for Ada95 curses library name) +AC_ARG_WITH(ada-libname, + [[ --with-ada-libname[=XXX] use XXX as Ada95 library name]], + ADA_LIBNAME=[$]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: 3 updated: 2023/10/28 11:59:01 dnl ------------------- dnl Command-line option to specify where Ada objects will install. AC_DEFUN([CF_WITH_ADA_OBJECTS],[ -AC_MSG_CHECKING(for ada-objects) +AC_MSG_CHECKING(for Ada95 object directory) CF_WITH_PATH(ada-objects, - [ --with-ada-objects=DIR Ada objects are in DIR], + [ --with-ada-objects=DIR find Ada95 objects in DIR], ADA_OBJECTS, PREFIX/lib/ada/adalib, [$]prefix/lib/ada/adalib) @@ -3597,17 +4809,33 @@ AC_SUBST(ADA_OBJECTS) AC_MSG_RESULT($ADA_OBJECTS) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_WITH_ADA_SHAREDLIB version: 4 updated: 2014/05/31 21:08:37 +dnl CF_WITH_ADA_SHAREDLIB version: 6 updated: 2023/10/28 11:59:01 dnl --------------------- -dnl Command-line option to specify if an Ada95 shared-library should be built, +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_MSG_CHECKING(if an Ada95 shared-library should be built) +AC_REQUIRE([CF_GNAT_PROJECTS]) +AC_MSG_CHECKING(whether to build an Ada95 shared library) AC_ARG_WITH(ada-sharedlib, - [ --with-ada-sharedlib=soname build shared-library (requires GNAT projects)], + [ --with-ada-sharedlib build Ada95 shared library; requires GNAT project support], [with_ada_sharedlib=$withval], [with_ada_sharedlib=no]) +cf_ada_sharedlib_warn=no + +if test "x$with_ada_sharedlib" != xno +then + if test "x$cf_gnat_projects" != xyes + then + with_ada_sharedlib=no + cf_ada_sharedlib_warn=yes + fi +fi + AC_MSG_RESULT($with_ada_sharedlib) +if test "x$cf_ada_sharedlib_warn" != xno +then + AC_MSG_WARN(disabling Ada95 shared library since GNAT projects are not supported) +fi ADA_SHAREDLIB='lib$(LIB_NAME).so.1' MAKE_ADA_SHAREDLIB="#" @@ -3625,7 +4853,7 @@ AC_SUBST(ADA_SHAREDLIB) AC_SUBST(MAKE_ADA_SHAREDLIB) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38 +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. @@ -3638,7 +4866,7 @@ AC_ARG_WITH(curses-dir, [cf_cv_curses_dir=no]) AC_MSG_RESULT($cf_cv_curses_dir) -if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" ) +if test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" then CF_PATH_SYNTAX(withval) if test -d "$cf_cv_curses_dir" @@ -3649,7 +4877,7 @@ then fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10 +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. @@ -3664,10 +4892,10 @@ AC_ARG_WITH(lib-prefix, [with_lib_prefix=auto]) AC_MSG_RESULT($with_lib_prefix) -if test $with_lib_prefix = auto +if test "$with_lib_prefix" = auto then CF_LIB_PREFIX($1) -elif test $with_lib_prefix = no +elif test "$with_lib_prefix" = no then LIB_PREFIX= else @@ -3675,7 +4903,7 @@ else fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19 +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. @@ -3684,7 +4912,7 @@ 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's an expression & cannot be in the help-message +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])),, @@ -3696,12 +4924,22 @@ eval $3="$withval" AC_SUBST($3)dnl ])dnl dnl --------------------------------------------------------------------------- -dnl CF_WITH_PKG_CONFIG_LIBDIR version: 10 updated: 2015/08/22 17:10:56 +dnl CF_WITH_PKG_CONFIG_LIBDIR version: 23 updated: 2023/11/22 20:48:30 dnl ------------------------- dnl Allow the choice of the pkg-config library directory to be overridden. +dnl +dnl pkg-config uses a search-list built from these colon-separated lists of +dnl directories: +dnl a) $PKG_CONFIG_PATH (tested first, added if set) +dnl b) $PKG_CONFIG_LIBDIR (tested second, added if set) +dnl c) builtin-list (added if $PKG_CONFIG_LIBDIR is not set) +dnl +dnl pkgconf (used with some systems such as FreeBSD in place of pkg-config) +dnl optionally ignores $PKG_CONFIG_LIBDIR. Very old versions of pkg-config, +dnl e.g., Solaris 10 also do not recognize $PKG_CONFIG_LIBDIR. AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[ -case $PKG_CONFIG in +case "$PKG_CONFIG" in (no|none|yes) AC_MSG_CHECKING(for pkg-config library directory) ;; @@ -3710,68 +4948,119 @@ case $PKG_CONFIG in ;; esac -PKG_CONFIG_LIBDIR=no +# if $PKG_CONFIG_LIBDIR is set, try to use that +if test -n "$PKG_CONFIG_PATH"; then + cf_search_path=`echo "$PKG_CONFIG_PATH" | sed -e 's/:/ /g' -e 's,^[[ ]]*,,' -e 's,[[ ]]*$,,'` +elif test -n "$PKG_CONFIG_LIBDIR"; then + cf_search_path=`echo "$PKG_CONFIG_LIBDIR" | sed -e 's/:/ /g' -e 's,^[[ ]]*,,' -e 's,[[ ]]*$,,'` +else + cf_search_path=auto +fi + +# if the option is used, let that override. otherwise default to "libdir" AC_ARG_WITH(pkg-config-libdir, - [ --with-pkg-config-libdir=XXX use given directory for installing pc-files], - [PKG_CONFIG_LIBDIR=$withval], - [test "x$PKG_CONFIG" != xnone && PKG_CONFIG_LIBDIR=yes]) + [[ --with-pkg-config-libdir[=XXX] use given directory for installing pc-files]], + [cf_search_path=$withval], + [test "x$PKG_CONFIG" != xnone && test -z "$cf_search_path" && cf_search_path=libdir]) -case x$PKG_CONFIG_LIBDIR in +case "x$cf_search_path" in +(xlibdir) + PKG_CONFIG_LIBDIR='${libdir}/pkgconfig' + AC_MSG_RESULT($PKG_CONFIG_LIBDIR) + cf_search_path= + ;; +(x) + ;; +(x/*\ *) + PKG_CONFIG_LIBDIR= + ;; (x/*) + PKG_CONFIG_LIBDIR="$cf_search_path" + AC_MSG_RESULT($PKG_CONFIG_LIBDIR) + cf_search_path= ;; -(xyes) +(xyes|xauto) + AC_MSG_RESULT(auto) + cf_search_path= # Look for the library directory using the same prefix as the executable - if test "x$PKG_CONFIG" = xnone + AC_MSG_CHECKING(for search-list) + if test "x$PKG_CONFIG" != xnone then - cf_path=$prefix - else - cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'` + # works for pkg-config since version 0.24 (2009) + # works for pkgconf since version 0.8.3 (2012) + for cf_pkg_program in \ + `echo "$PKG_CONFIG" | sed -e 's,^.*/,,'` \ + pkg-config \ + pkgconf + do + cf_search_path=`"$PKG_CONFIG" --variable=pc_path "$cf_pkg_program" 2>/dev/null | tr : ' '` + test -n "$cf_search_path" && break + done + + # works for pkg-config since import in 2005 of original 2001 HP code. + test -z "$cf_search_path" && \ + cf_search_path=` + "$PKG_CONFIG" --debug --exists no-such-package 2>&1 | $AWK "\ +/^Scanning directory (#[1-9][0-9]* )?'.*'$/{ \ + sub(\"^[[^']]*'\",\"\"); \ + sub(\"'.*\",\"\"); \ + printf \" %s\", \\[$]0; } \ +{ next; } \ +"` 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 \ - $cf_path/libdata" - ;; - esac + AC_MSG_RESULT($cf_search_path) + ;; +(*) + AC_MSG_ERROR(Unexpected option value: $cf_search_path) + ;; +esac - CF_VERBOSE(list...) +if test -n "$cf_search_path" +then + AC_MSG_CHECKING(for first directory) + cf_pkg_config_path=none for cf_config in $cf_search_path do - CF_VERBOSE(checking $cf_config/pkgconfig) - if test -d $cf_config/pkgconfig + if test -d "$cf_config" then - PKG_CONFIG_LIBDIR=$cf_config/pkgconfig - AC_MSG_CHECKING(done) + cf_pkg_config_path=$cf_config break fi done - ;; -(*) - ;; -esac + AC_MSG_RESULT($cf_pkg_config_path) -if test "x$PKG_CONFIG_LIBDIR" != xno ; then - AC_MSG_RESULT($PKG_CONFIG_LIBDIR) + if test "x$cf_pkg_config_path" != xnone ; then + # limit this to the first directory found + PKG_CONFIG_LIBDIR="$cf_pkg_config_path" + fi + + if test -z "$PKG_CONFIG_LIBDIR" && test -n "$cf_search_path" + then + AC_MSG_CHECKING(for workaround) + if test "$prefix" = "NONE" ; then + cf_prefix="$ac_default_prefix" + else + cf_prefix="$prefix" + fi + eval cf_libdir=$libdir + cf_libdir=`echo "$cf_libdir" | sed -e "s,^NONE,$cf_prefix,"` + cf_backup= + for cf_config in $cf_search_path + do + case $cf_config in + $cf_libdir/pkgconfig) + PKG_CONFIG_LIBDIR=$cf_libdir/pkgconfig + break + ;; + *) + test -z "$cf_backup" && cf_backup=$cf_config + ;; + esac + done + test -z "$PKG_CONFIG_LIBDIR" && PKG_CONFIG_LIBDIR=$cf_backup + AC_MSG_RESULT($PKG_CONFIG_LIBDIR) + fi fi AC_SUBST(PKG_CONFIG_LIBDIR) @@ -3839,7 +5128,7 @@ AC_ARG_WITH(system-type, ]) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_XOPEN_SOURCE version: 52 updated: 2016/08/27 12:21:42 +dnl CF_XOPEN_SOURCE version: 67 updated: 2023/09/06 18:55:27 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, @@ -3848,20 +5137,32 @@ dnl dnl Parameters: dnl $1 is the nominal value for _XOPEN_SOURCE dnl $2 is the nominal value for _POSIX_C_SOURCE +dnl +dnl The default case prefers _XOPEN_SOURCE over _POSIX_C_SOURCE if the +dnl implementation predefines it, because X/Open and most implementations agree +dnl that the latter is a legacy or "aligned" value. +dnl +dnl Because _XOPEN_SOURCE is preferred, if defining _POSIX_C_SOURCE turns +dnl that off, then refrain from setting _POSIX_C_SOURCE explicitly. +dnl +dnl References: +dnl https://pubs.opengroup.org/onlinepubs/007904975/functions/xsh_chap02_02.html +dnl https://docs.oracle.com/cd/E19253-01/816-5175/standards-5/index.html +dnl https://www.gnu.org/software/libc/manual/html_node/Feature-Test-Macros.html AC_DEFUN([CF_XOPEN_SOURCE],[ AC_REQUIRE([AC_CANONICAL_HOST]) +AC_REQUIRE([CF_POSIX_VISIBLE]) + +if test "$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 $host_os in +case "$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" ;; @@ -3869,7 +5170,7 @@ case $host_os in cf_xopen_source="-D_DARWIN_C_SOURCE" cf_XOPEN_SOURCE= ;; -(freebsd*|dragonfly*) +(freebsd*|dragonfly*|midnightbsd*) # 5.x headers associate # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L @@ -3887,8 +5188,8 @@ case $host_os in cf_xopen_source="-D_SGI_SOURCE" cf_XOPEN_SOURCE= ;; -(linux*|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin) - CF_GNU_SOURCE +(linux*gnu|linux*gnuabi64|linux*gnuabin32|linux*gnueabi|linux*gnueabihf|linux*gnux32|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin|msys|mingw*|linux*uclibc) + CF_GNU_SOURCE($cf_XOPEN_SOURCE) ;; (minix*) cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this... @@ -3901,7 +5202,15 @@ case $host_os in (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[[4-9]]*) +(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 @@ -3928,12 +5237,20 @@ case $host_os in ;; (*) CF_TRY_XOPEN_SOURCE + cf_save_xopen_cppflags="$CPPFLAGS" CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE) + # Some of these niche implementations use copy/paste, double-check... + if test "$cf_cv_xopen_source" = no ; then + CF_VERBOSE(checking if _POSIX_C_SOURCE interferes with _XOPEN_SOURCE) + AC_TRY_COMPILE(CF__XOPEN_SOURCE_HEAD,CF__XOPEN_SOURCE_BODY,,[ + AC_MSG_WARN(_POSIX_C_SOURCE definition is not usable) + CPPFLAGS="$cf_save_xopen_cppflags"]) + fi ;; esac if test -n "$cf_xopen_source" ; then - CF_ADD_CFLAGS($cf_xopen_source,true) + CF_APPEND_CFLAGS($cf_xopen_source,true) fi dnl In anything but the default case, we may have system-specific setting @@ -3943,20 +5260,20 @@ 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 +#error _XOPEN_SOURCE is not defined #endif], [cf_XOPEN_SOURCE_set=yes], [cf_XOPEN_SOURCE_set=no]) AC_MSG_RESULT($cf_XOPEN_SOURCE_set) - if test $cf_XOPEN_SOURCE_set = yes + if test "$cf_XOPEN_SOURCE_set" = yes then AC_TRY_COMPILE([#include ],[ #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE -make an error +#error (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE #endif], [cf_XOPEN_SOURCE_set_ok=yes], [cf_XOPEN_SOURCE_set_ok=no]) - if test $cf_XOPEN_SOURCE_set_ok = no + if test "$cf_XOPEN_SOURCE_set_ok" = no then AC_MSG_WARN(_XOPEN_SOURCE is lower than requested) fi @@ -3964,4 +5281,29 @@ make an error 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 +dnl --------------------------------------------------------------------------- +dnl CF__XOPEN_SOURCE_BODY version: 2 updated: 2023/02/18 17:41:25 +dnl --------------------- +dnl body of test when test-compiling for _XOPEN_SOURCE check +define([CF__XOPEN_SOURCE_BODY], +[ +#ifndef _XOPEN_SOURCE +#error _XOPEN_SOURCE is not defined +#endif +]) +dnl --------------------------------------------------------------------------- +dnl CF__XOPEN_SOURCE_HEAD version: 2 updated: 2023/02/18 17:41:25 +dnl --------------------- +dnl headers to include when test-compiling for _XOPEN_SOURCE check +define([CF__XOPEN_SOURCE_HEAD], +[ +$ac_includes_default ])