X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=test%2Faclocal.m4;h=a78dec7e08a32c3ea8a346e0cbee7a1e221a0214;hp=2ef2d46a2ff9273a075bd2e5bb042894d461fc89;hb=91d451ffc473b358d8d74506d2da8871e44fbd7b;hpb=ee1bcda2cbb28cd84f136d8343cf83b7e576bd79 diff --git a/test/aclocal.m4 b/test/aclocal.m4 index 2ef2d46a..a78dec7e 100644 --- a/test/aclocal.m4 +++ b/test/aclocal.m4 @@ -1,5 +1,6 @@ dnl*************************************************************************** -dnl Copyright (c) 2003-2014,2015 Free Software Foundation, Inc. * +dnl Copyright 2018-2020,2021 Thomas E. Dickey * +dnl Copyright 2003-2017,2018 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 * @@ -26,7 +27,7 @@ dnl sale, use or other dealings in this Software without prior written * dnl authorization. * dnl*************************************************************************** dnl -dnl $Id: aclocal.m4,v 1.112 2015/04/26 00:54:24 tom Exp $ +dnl $Id: aclocal.m4,v 1.197 2021/07/10 21:40:29 tom Exp $ dnl dnl Author: Thomas E. Dickey dnl @@ -36,10 +37,35 @@ 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 --------------------------------------------------------------------------- +dnl AM_LANGINFO_CODESET version: 6 updated: 2021/01/01 16:53:59 +dnl ------------------- +dnl Inserted as requested by gettext 0.10.40 +dnl File from /usr/share/aclocal +dnl codeset.m4 +dnl ==================== +dnl serial AM1 +dnl +dnl From Bruno Haible. +AC_DEFUN([AM_LANGINFO_CODESET], +[ +AC_CACHE_CHECK([for nl_langinfo and CODESET], am_cv_langinfo_codeset, + [AC_TRY_LINK([#include ], + [char* cs = nl_langinfo(CODESET); (void)cs], + am_cv_langinfo_codeset=yes, + am_cv_langinfo_codeset=no) + ]) + if test "$am_cv_langinfo_codeset" = yes; then + AC_DEFINE(HAVE_LANGINFO_CODESET, 1, + [Define if you have and nl_langinfo(CODESET).]) + fi +])dnl +dnl --------------------------------------------------------------------------- dnl CF_ACVERSION_CHECK version: 5 updated: 2014/06/04 19:11:49 dnl ------------------ dnl Conditionally generate script according to whether we're using a given autoconf. @@ -66,10 +92,11 @@ define([CF_ACVERSION_COMPARE], [ifelse([$8], , ,[$8])], [ifelse([$9], , ,[$9])])])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 @@ -83,23 +110,23 @@ 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 ;; @@ -108,25 +135,25 @@ 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 "${cf_tst_cflags}" \ @@ -137,24 +164,24 @@ done if test -n "$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: 13 updated: 2010/05/26 16:44:57 +dnl CF_ADD_INCDIR version: 16 updated: 2020/12/31 20:19:42 dnl ------------- dnl Add an include-directory to $CPPFLAGS. Don't add /usr/include, since it's dnl redundant. We don't normally need to add -I/usr/local/include for gcc, @@ -166,9 +193,9 @@ 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 @@ -185,7 +212,7 @@ 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")], [], @@ -199,12 +226,14 @@ 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 break fi + else + break fi done done @@ -219,7 +248,7 @@ 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 @@ -233,9 +262,9 @@ 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 @@ -255,7 +284,7 @@ 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 @@ -264,19 +293,19 @@ 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 @@ -294,7 +323,7 @@ LIBS=`echo "$LIBS" | sed -e "s/[[ ]][[ ]]*/ /g" -e "s%$1 %$1 $2 %" -e 's% % % CF_VERBOSE(...after $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 @@ -306,16 +335,26 @@ 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/$2" } ])dnl dnl --------------------------------------------------------------------------- +dnl CF_APPEND_TEXT version: 1 updated: 2017/02/25 18:58:55 +dnl -------------- +dnl use this macro for appending text without introducing an extra blank at +dnl the beginning +define([CF_APPEND_TEXT], +[ + test -n "[$]$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. @@ -328,7 +367,7 @@ 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: 4 updated: 2010/05/26 05:38:42 +dnl CF_ARG_OPTION version: 5 updated: 2015/05/10 19:52:14 dnl ------------- dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus dnl values. @@ -341,35 +380,112 @@ dnl $4 = action if perform if option is default dnl $5 = default option value (either 'yes' or 'no') AC_DEFUN([CF_ARG_OPTION], [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes) - if test "$enableval" != "$5" ; then + if test "$enableval" != "$5" ; then ifelse([$3],,[ :]dnl ,[ $3]) ifelse([$4],,,[ - else - $4]) - fi],[enableval=$5 ifelse([$4],,,[ - $4 + else + $4]) + fi],[enableval=$5 ifelse([$4],,,[ + $4 +])dnl +])])dnl +dnl --------------------------------------------------------------------------- +dnl CF_C11_NORETURN version: 3 updated: 2021/03/28 11:36:23 +dnl --------------- +AC_DEFUN([CF_C11_NORETURN], +[ +AC_MSG_CHECKING(if you want to use C11 _Noreturn feature) +CF_ARG_ENABLE(stdnoreturn, + [ --enable-stdnoreturn enable C11 _Noreturn feature for diagnostics], + [enable_stdnoreturn=yes], + [enable_stdnoreturn=no]) +AC_MSG_RESULT($enable_stdnoreturn) + +if test $enable_stdnoreturn = yes; then +AC_CACHE_CHECK([for C11 _Noreturn feature], cf_cv_c11_noreturn, + [AC_TRY_COMPILE([ +#include +#include +#include +static _Noreturn void giveup(void) { exit(0); } + ], + [if (feof(stdin)) giveup()], + cf_cv_c11_noreturn=yes, + cf_cv_c11_noreturn=no) + ]) +else + cf_cv_c11_noreturn=no, +fi + +if test "$cf_cv_c11_noreturn" = yes; then + AC_DEFINE(HAVE_STDNORETURN_H, 1,[Define if header is available and working]) + AC_DEFINE_UNQUOTED(STDC_NORETURN,_Noreturn,[Define if C11 _Noreturn keyword is supported]) + HAVE_STDNORETURN_H=1 +else + HAVE_STDNORETURN_H=0 +fi + +AC_SUBST(HAVE_STDNORETURN_H) +AC_SUBST(STDC_NORETURN) ])dnl - ])])dnl dnl --------------------------------------------------------------------------- -dnl CF_CC_ENV_FLAGS version: 2 updated: 2015/04/12 15:39:00 +dnl CF_CC_ENV_FLAGS version: 10 updated: 2020/12/31 18:40:20 dnl --------------- dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content -dnl into CC. This will not help with broken scripts that wrap the compiler with -dnl options, but eliminates a more common category of user confusion. +dnl into CC. This will not help with broken scripts that wrap the compiler +dnl with options, but eliminates a more common category of user confusion. +dnl +dnl In particular, it addresses the problem of being able to run the C +dnl preprocessor in a consistent manner. +dnl +dnl Caveat: this also disallows blanks in the pathname for the compiler, but +dnl the nuisance of having inconsistent settings for compiler and preprocessor +dnl outweighs that limitation. AC_DEFUN([CF_CC_ENV_FLAGS], [ # This should have been defined by AC_PROG_CC -: ${CC:=cc} +: "${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 "$CC" in -(*[[\ \ ]]-[[IUD]]*) +(*[[\ \ ]]-*) AC_MSG_RESULT(broken) - AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options) + AC_MSG_WARN(your environment uses the CC variable to hold CFLAGS/CPPFLAGS options) # humor him... - cf_flags=`echo "$CC" | sed -e 's/^[[^ ]]*[[ ]]//'` - CC=`echo "$CC" | sed -e 's/[[ ]].*//'` - CF_ADD_CFLAGS($cf_flags) + cf_prog=`echo "$CC" | sed -e 's/ / /g' -e 's/[[ ]]* / /g' -e 's/[[ ]]*[[ ]]-[[^ ]].*//'` + cf_flags=`echo "$CC" | ${AWK:-awk} -v prog="$cf_prog" '{ printf("%s", [substr]([$]0,1+length(prog))); }'` + CC="$cf_prog" + for cf_arg in $cf_flags + do + case "x$cf_arg" in + (x-[[IUDfgOW]]*) + CF_ADD_CFLAGS($cf_arg) + ;; + (*) + CC="$CC $cf_arg" + ;; + esac + done + CF_VERBOSE(resulting CC: '$CC') + CF_VERBOSE(resulting CFLAGS: '$CFLAGS') + CF_VERBOSE(resulting CPPFLAGS: '$CPPFLAGS') ;; (*) AC_MSG_RESULT(ok) @@ -377,7 +493,7 @@ case "$CC" in esac ])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. @@ -391,7 +507,7 @@ 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 @@ -412,7 +528,7 @@ if test ".$system_name" != ".$cf_cv_system_name" ; then fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_CHECK_CFLAGS version: 3 updated: 2014/07/22 05:32:57 +dnl CF_CHECK_CFLAGS version: 4 updated: 2021/01/02 19:22:58 dnl --------------- dnl Conditionally add to $CFLAGS and $CPPFLAGS values which are derived from dnl a build-configuration such as imake. These have the pitfall that they @@ -430,24 +546,68 @@ AC_TRY_LINK([#include ],[printf("Hello world");],, if test "x$cf_check_cppflags" != "x$CPPFLAGS" ; then CF_VERBOSE(but keeping change to \$CPPFLAGS) fi - CFLAGS="$cf_check_flags"]) + CFLAGS="$cf_check_cflags"]) fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_CHECK_CURSES_LIB version: 1 updated: 2015/04/25 20:53:11 +dnl CF_CHECK_CURSES_LIB version: 3 updated: 2021/01/04 19:45:09 dnl ------------------- dnl $1 = nominal library name, used also for header lookup dnl $2 = suffix to append to library name dnl $3 = function to check for using AC_CHECK_LIB +dnl $4 = optional parameter list for $3 AC_DEFUN([CF_CHECK_CURSES_LIB], [ -AC_CHECK_LIB($1$2,$3,[ -CF_UPPER(cf_upper,have_lib$1) -CF_ADD_LIBS(-l$1$2) -AC_DEFINE_UNQUOTED($cf_upper,1)]) +AC_REQUIRE([CF_PKG_CONFIG]) + +cf_have_curses_lib=no + +: ${NCURSES_CONFIG_PKG:=none} +if test "x${NCURSES_CONFIG_PKG}" = xnone; then + : +elif test "x${PKG_CONFIG:=none}" != xnone; then + AC_MSG_CHECKING(pkg-config for $1$2) + if "$PKG_CONFIG" --exists "$1$2" ; then + AC_MSG_RESULT(yes) + + AC_MSG_CHECKING(if the $1$2 package files work) + + cf_save_CPPFLAGS="$CPPFLAGS" + cf_save_LIBS="$LIBS" + + CF_ADD_CFLAGS(`$PKG_CONFIG --cflags "$1$2"`) + CF_ADD_LIBS(`$PKG_CONFIG --libs "$1$2"`) + + AC_TRY_LINK([#include <$1.h>], + [(void) $3 ( ]ifelse([$4],,,[[$4]])[ );], + [AC_TRY_RUN([#include <$1.h> + int main(void) + { (void) $3 ( ]ifelse([$4],,,[[$4]])[ ); return 0; }], + [cf_have_curses_lib=yes], + [cf_have_curses_lib=no], + [cf_have_curses_lib=maybe])], + [cf_have_curses_lib=no]) + AC_MSG_RESULT($cf_have_curses_lib) + test "$cf_have_curses_lib" = maybe && cf_have_curses_lib=yes + if test "$cf_have_curses_lib" != "yes" + then + CPPFLAGS="$cf_save_CPPFLAGS" + LIBS="$cf_save_LIBS" + else + CF_UPPER(cf_upper,have_lib$1) + AC_DEFINE_UNQUOTED($cf_upper,1) + fi + fi +fi +if test "$cf_have_curses_lib" = no; then + AC_CHECK_LIB($1$2,$3,[ + CF_UPPER(cf_upper,have_lib$1) + CF_ADD_LIBS(-l$1$2) + AC_DEFINE_UNQUOTED($cf_upper,1)]) +fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_CLANG_COMPILER version: 2 updated: 2013/11/19 19:23:35 +dnl CF_CLANG_COMPILER version: 8 updated: 2021/01/01 13:31:04 dnl ----------------- dnl Check if the given compiler is really clang. clang's C driver defines dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does @@ -466,21 +626,116 @@ 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 #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_CURSES_ACS_MAP version: 7 updated: 2012/10/06 16:39:58 +dnl CF_CONST_X_STRING version: 7 updated: 2021/06/07 17:39:17 +dnl ----------------- +dnl The X11R4-X11R6 Xt specification uses an ambiguous String type for most +dnl character-strings. +dnl +dnl It is ambiguous because the specification accommodated the pre-ANSI +dnl compilers bundled by more than one vendor in lieu of providing a standard C +dnl compiler other than by costly add-ons. Because of this, the specification +dnl did not take into account the use of const for telling the compiler that +dnl string literals would be in readonly memory. +dnl +dnl As a workaround, one could (starting with X11R5) define XTSTRINGDEFINES, to +dnl let the compiler decide how to represent Xt's strings which were #define'd. +dnl That does not solve the problem of using the block of Xt's strings which +dnl are compiled into the library (and is less efficient than one might want). +dnl +dnl Xt specification 7 introduces the _CONST_X_STRING symbol which is used both +dnl when compiling the library and compiling using the library, to tell the +dnl compiler that String is const. +AC_DEFUN([CF_CONST_X_STRING], +[ +AC_REQUIRE([AC_PATH_XTRA]) + +CF_SAVE_XTRA_FLAGS([CF_CONST_X_STRING]) + +AC_TRY_COMPILE( +[ +#include +#include +], +[String foo = malloc(1); free((void*)foo)],[ + +AC_CACHE_CHECK(for X11/Xt const-feature,cf_cv_const_x_string,[ + AC_TRY_COMPILE( + [ +#define _CONST_X_STRING /* X11R7.8 (perhaps) */ +#undef XTSTRINGDEFINES /* X11R5 and later */ +#include +#include + ],[String foo = malloc(1); *foo = 0],[ + cf_cv_const_x_string=no + ],[ + cf_cv_const_x_string=yes + ]) +]) + +CF_RESTORE_XTRA_FLAGS([CF_CONST_X_STRING]) + +case "$cf_cv_const_x_string" in +(no) + CF_APPEND_TEXT(CPPFLAGS,-DXTSTRINGDEFINES) + ;; +(*) + CF_APPEND_TEXT(CPPFLAGS,-D_CONST_X_STRING) + ;; +esac + +]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_CURSES_ACS_MAP version: 8 updated: 2021/01/04 19:45:09 dnl ----------------- dnl Check for likely values of acs_map[]: AC_DEFUN([CF_CURSES_ACS_MAP], @@ -493,7 +748,7 @@ do AC_TRY_LINK([ #include <${cf_cv_ncurses_header:-curses.h}> ],[ -$name['k'] = ACS_PLUS +${name}['k'] = ACS_PLUS ],[cf_cv_curses_acs_map=$name; break]) done ]) @@ -501,53 +756,61 @@ done test "$cf_cv_curses_acs_map" != unknown && AC_DEFINE_UNQUOTED(CURSES_ACS_ARRAY,$cf_cv_curses_acs_map,[Define as needed to override ncurses prefix _nc_]) ]) dnl --------------------------------------------------------------------------- -dnl CF_CURSES_CHECK_DATA version: 5 updated: 2014/07/19 18:41:17 +dnl CF_CURSES_CHECK_DATA version: 10 updated: 2021/01/04 19:45:09 dnl -------------------- dnl Check if curses.h defines the given data/variable. dnl Use this after CF_NCURSES_CONFIG or CF_CURSES_CONFIG. +dnl +dnl $1 = data item(s) to check for +dnl $2 = action on success, e.g., "break" to quit checking a series of choices AC_DEFUN([CF_CURSES_CHECK_DATA], [ -AC_MSG_CHECKING(for data $1 declaration in ${cf_cv_ncurses_header:-curses.h}) +for cf_data in $1 +do +AC_MSG_CHECKING(for data $cf_data declaration in ${cf_cv_ncurses_header:-curses.h}) -AC_TRY_COMPILE(CF__CURSES_HEAD,[ -void *foo = &($1) -],cf_result=yes,cf_result=no) +AC_TRY_COMPILE(CF__CURSES_HEAD, +CF__CURSES_DATA(foo,$cf_data) +,[cf_result=yes +],[cf_result=no]) AC_MSG_RESULT($cf_result) -if test $cf_result = yes ; then - CF_UPPER(cf_result,have_curses_data_$1) +if test "$cf_result" = yes ; then + CF_UPPER(cf_result,have_curses_data_$cf_data) AC_DEFINE_UNQUOTED($cf_result) + ifelse($2,,,[$2]) else - AC_MSG_CHECKING(for data $1 in library) + AC_MSG_CHECKING(for data $cf_data in library) # BSD linkers insist on making weak linkage, but resolve at runtime. AC_TRY_RUN(CF__CURSES_HEAD [ -extern char $1; +extern char $cf_data; int main(void) { - void *foo = &($1); - fprintf(stderr, "testing linkage of $1:%p\n", foo); + ]CF__CURSES_DATA(foo,$cf_data)[ ${cf_cv_main_return:-return}(foo == 0); -}],[cf_result=yes],[cf_result=no],[ +}],[cf_result=yes +],[cf_result=no],[ # cross-compiling AC_TRY_LINK(CF__CURSES_HEAD -[extern char $1;],[ +[extern char $cf_data;],[ do { - void *foo = &($1); - fprintf(stderr, "testing linkage of $1:%p\n", foo); + ]CF__CURSES_DATA(foo,$cf_data)[ ${cf_cv_main_return:-return}(foo == 0); } while (0) ],[cf_result=yes],[cf_result=no]) ]) AC_MSG_RESULT($cf_result) - if test $cf_result = yes ; then - CF_UPPER(cf_result,decl_curses_data_$1) + if test "$cf_result" = yes ; then + CF_UPPER(cf_result,decl_curses_data_$cf_data) AC_DEFINE_UNQUOTED($cf_result) + # do not exit loop here, since we prefer system's declarations fi fi +done ])dnl dnl --------------------------------------------------------------------------- -dnl CF_CURSES_CHECK_TYPE version: 4 updated: 2012/10/06 16:39:58 +dnl CF_CURSES_CHECK_TYPE version: 5 updated: 2021/01/04 19:45:09 dnl -------------------- dnl Check if curses.h defines the given type AC_DEFUN([CF_CURSES_CHECK_TYPE], @@ -561,7 +824,7 @@ AC_TRY_COMPILE([ $1 foo ],cf_result=yes,cf_result=no) AC_MSG_RESULT($cf_result) -if test $cf_result = yes ; then +if test "$cf_result" = yes ; then CF_UPPER(cf_result,have_type_$1) AC_DEFINE_UNQUOTED($cf_result,1,[Define to 1 if we have type $1]) else @@ -581,14 +844,14 @@ CF_NCURSES_VERSION CF_CURSES_LIBS ])dnl dnl --------------------------------------------------------------------------- -dnl CF_CURSES_CPPFLAGS version: 12 updated: 2015/04/15 19:08:48 +dnl CF_CURSES_CPPFLAGS version: 14 updated: 2021/01/02 09:31:20 dnl ------------------ dnl Look for the curses headers. AC_DEFUN([CF_CURSES_CPPFLAGS],[ AC_CACHE_CHECK(for extra include directories,cf_cv_curses_incdir,[ cf_cv_curses_incdir=no -case $host_os in +case "$host_os" in (hpux10.*) if test "x$cf_cv_screen" = "xcurses_colr" then @@ -606,13 +869,16 @@ case $host_os in ;; esac ]) -test "$cf_cv_curses_incdir" != no && CPPFLAGS="$CPPFLAGS $cf_cv_curses_incdir" +if test "$cf_cv_curses_incdir" != no +then + CF_APPEND_TEXT(CPPFLAGS,$cf_cv_curses_incdir) +fi CF_CURSES_HEADER CF_TERM_HEADER ])dnl dnl --------------------------------------------------------------------------- -dnl CF_CURSES_FUNCS version: 18 updated: 2014/07/19 18:44:41 +dnl CF_CURSES_FUNCS version: 20 updated: 2020/12/31 20:19:42 dnl --------------- dnl Curses-functions are a little complicated, since a lot of them are macros. AC_DEFUN([CF_CURSES_FUNCS], @@ -633,20 +899,20 @@ do [ #ifndef ${cf_func} long foo = (long)(&${cf_func}); -fprintf(stderr, "testing linkage of $cf_func:%p\n", foo); -if (foo + 1234 > 5678) - ${cf_cv_main_return:-return}(foo); +fprintf(stderr, "testing linkage of $cf_func:%p\\n", (void *)foo); +if (foo + 1234L > 5678L) + ${cf_cv_main_return:-return}(foo != 0); #endif ], [cf_result=yes], [cf_result=no]) fi - eval 'cf_cv_func_'$cf_func'=$cf_result' + eval 'cf_cv_func_'$cf_func'="$cf_result"' ]) # use the computed/retrieved cache-value: eval 'cf_result=$cf_cv_func_'$cf_func AC_MSG_RESULT($cf_result) - if test $cf_result != no; then + if test "$cf_result" != no; then AC_DEFINE_UNQUOTED(HAVE_${cf_tr_func}) fi done @@ -679,7 +945,7 @@ fi AC_CHECK_HEADERS($cf_cv_ncurses_header) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_CURSES_LIBS version: 38 updated: 2015/04/15 19:08:48 +dnl CF_CURSES_LIBS version: 44 updated: 2021/01/02 09:31:20 dnl -------------- dnl Look for the curses libraries. Older curses implementations may require dnl termcap/termlib to be linked as well. Call CF_CURSES_CPPFLAGS first. @@ -688,16 +954,16 @@ AC_DEFUN([CF_CURSES_LIBS],[ AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl AC_MSG_CHECKING(if we have identified curses libraries) AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>], - [initscr(); tgoto("?", 0,0)], - cf_result=yes, - cf_result=no) + [initscr(); tgoto("?", 0,0)], + cf_result=yes, + cf_result=no) AC_MSG_RESULT($cf_result) if test "$cf_result" = no ; then -case $host_os in +case "$host_os" in (freebsd*) - AC_CHECK_LIB(mytinfo,tgoto,[CF_ADD_LIBS(-lmytinfo)]) - ;; + AC_CHECK_LIB(mytinfo,tgoto,[CF_ADD_LIBS(-lmytinfo)]) + ;; (hpux10.*) # Looking at HPUX 10.20, the Hcurses library is the oldest (1997), cur_colr # next (1998), and xcurses "newer" (2000). There is no header file for @@ -712,7 +978,7 @@ case $host_os in AC_CHECK_LIB(Hcurses,initscr,[ # HP's header uses __HP_CURSES, but user claims _HP_CURSES. CF_ADD_LIBS(-lHcurses) - CPPFLAGS="$CPPFLAGS -D__HP_CURSES -D_HP_CURSES" + CF_APPEND_TEXT(CPPFLAGS,-D__HP_CURSES -D_HP_CURSES) ac_cv_func_initscr=yes ])]) fi @@ -739,9 +1005,9 @@ case $host_os in CF_ADD_LIBDIR(/usr/5lib) CF_ADD_LIBS(-lcurses -ltermcap) fi - fi - ac_cv_func_initscr=yes - ;; + fi + ac_cv_func_initscr=yes + ;; esac if test ".$ac_cv_func_initscr" != .yes ; then @@ -761,7 +1027,10 @@ if test ".$ac_cv_func_initscr" != .yes ; then AC_CHECK_FUNC(tgoto,[cf_term_lib=predefined],[ for cf_term_lib in $cf_check_list otermcap termcap tinfo termlib unknown do - AC_CHECK_LIB($cf_term_lib,tgoto,[break]) + AC_CHECK_LIB($cf_term_lib,tgoto,[ + : "${cf_nculib_root:=$cf_term_lib}" + break + ]) done ]) fi @@ -772,42 +1041,41 @@ if test ".$ac_cv_func_initscr" != .yes ; then then for cf_curs_lib in $cf_check_list xcurses jcurses pdcurses unknown do - AC_CHECK_LIB($cf_curs_lib,initscr,[break]) + LIBS="-l$cf_curs_lib $cf_save_LIBS" + if test "$cf_term_lib" = unknown || test "$cf_term_lib" = "$cf_curs_lib" ; then + AC_MSG_CHECKING(if we can link with $cf_curs_lib library) + AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>], + [initscr()], + [cf_result=yes], + [cf_result=no]) + AC_MSG_RESULT($cf_result) + test "$cf_result" = yes && break + elif test "$cf_curs_lib" = "$cf_term_lib" ; then + cf_result=no + elif test "$cf_term_lib" != predefined ; then + AC_MSG_CHECKING(if we need both $cf_curs_lib and $cf_term_lib libraries) + AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>], + [initscr(); tgoto((char *)0, 0, 0);], + [cf_result=no], + [ + LIBS="-l$cf_curs_lib -l$cf_term_lib $cf_save_LIBS" + AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>], + [initscr()], + [cf_result=yes], + [cf_result=error]) + ]) + AC_MSG_RESULT($cf_result) + test "$cf_result" != error && break + fi done fi - test $cf_curs_lib = unknown && AC_MSG_ERROR(no curses library found) - - LIBS="-l$cf_curs_lib $cf_save_LIBS" - if test "$cf_term_lib" = unknown ; then - AC_MSG_CHECKING(if we can link with $cf_curs_lib library) - AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>], - [initscr()], - [cf_result=yes], - [cf_result=no]) - AC_MSG_RESULT($cf_result) - test $cf_result = no && AC_MSG_ERROR(Cannot link curses library) - elif test "$cf_curs_lib" = "$cf_term_lib" ; then - : - elif test "$cf_term_lib" != predefined ; then - AC_MSG_CHECKING(if we need both $cf_curs_lib and $cf_term_lib libraries) - AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>], - [initscr(); tgoto((char *)0, 0, 0);], - [cf_result=no], - [ - LIBS="-l$cf_curs_lib -l$cf_term_lib $cf_save_LIBS" - AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>], - [initscr()], - [cf_result=yes], - [cf_result=error]) - ]) - AC_MSG_RESULT($cf_result) - fi + test "$cf_curs_lib" = unknown && AC_MSG_ERROR(no curses library found) fi fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_CURSES_TERM_H version: 11 updated: 2015/04/15 19:08:48 +dnl CF_CURSES_TERM_H version: 15 updated: 2021/01/02 09:31:20 dnl ---------------- dnl SVr4 curses should have term.h as well (where it puts the definitions of dnl the low-level interface). This may not be true in old/broken implementations, @@ -824,9 +1092,9 @@ AC_CACHE_CHECK(for term.h, cf_cv_term_header,[ cf_header_list="term.h ncurses/term.h ncursesw/term.h" -case ${cf_cv_ncurses_header:-curses.h} in +case "${cf_cv_ncurses_header:-curses.h}" in (*/*) - cf_header_item=`echo ${cf_cv_ncurses_header:-curses.h} | sed -e 's%\..*%%' -e 's%/.*%/%'`term.h + cf_header_item=`echo "${cf_cv_ncurses_header:-curses.h}" | sed -e 's%\..*%%' -e 's%/.*%/%'`term.h cf_header_list="$cf_header_item $cf_header_list" ;; esac @@ -836,13 +1104,13 @@ do AC_TRY_COMPILE([ #include <${cf_cv_ncurses_header:-curses.h}> #include <${cf_header}>], - [WINDOW *x], + [WINDOW *x; (void)x], [cf_cv_term_header=$cf_header break], [cf_cv_term_header=no]) done -case $cf_cv_term_header in +case "$cf_cv_term_header" in (no) # If curses is ncurses, some packagers still mess it up by trying to make # us use GNU termcap. This handles the most common case. @@ -855,7 +1123,7 @@ case $cf_cv_term_header in #else make an error #endif], - [WINDOW *x], + [WINDOW *x; (void)x], [cf_cv_term_header=$cf_header break], [cf_cv_term_header=no]) @@ -864,7 +1132,7 @@ make an error esac ]) -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]) ;; @@ -877,7 +1145,7 @@ case $cf_cv_term_header in esac ])dnl dnl --------------------------------------------------------------------------- -dnl CF_CURSES_UNCTRL_H version: 4 updated: 2015/04/15 19:08:48 +dnl CF_CURSES_UNCTRL_H version: 8 updated: 2021/01/02 09:31:20 dnl ------------------ dnl Any X/Open curses implementation must have unctrl.h, but ncurses packages dnl may put it in a subdirectory (along with ncurses' other headers, of @@ -894,9 +1162,9 @@ AC_CACHE_CHECK(for unctrl.h, cf_cv_unctrl_header,[ cf_header_list="unctrl.h ncurses/unctrl.h ncursesw/unctrl.h" -case ${cf_cv_ncurses_header:-curses.h} in +case "${cf_cv_ncurses_header:-curses.h}" in (*/*) - cf_header_item=`echo ${cf_cv_ncurses_header:-curses.h} | sed -e 's%\..*%%' -e 's%/.*%/%'`unctrl.h + cf_header_item=`echo "${cf_cv_ncurses_header:-curses.h}" | sed -e 's%\..*%%' -e 's%/.*%/%'`unctrl.h cf_header_list="$cf_header_item $cf_header_list" ;; esac @@ -906,20 +1174,20 @@ do AC_TRY_COMPILE([ #include <${cf_cv_ncurses_header:-curses.h}> #include <${cf_header}>], - [WINDOW *x], + [WINDOW *x; (void)x], [cf_cv_unctrl_header=$cf_header break], [cf_cv_unctrl_header=no]) done ]) -case $cf_cv_unctrl_header in +case "$cf_cv_unctrl_header" in (no) AC_MSG_WARN(unctrl.h header not found) ;; esac -case $cf_cv_unctrl_header in +case "$cf_cv_unctrl_header" in (unctrl.h) AC_DEFINE(HAVE_UNCTRL_H,1,[Define to 1 if we have unctrl.h]) ;; @@ -932,7 +1200,7 @@ case $cf_cv_unctrl_header in esac ])dnl dnl --------------------------------------------------------------------------- -dnl CF_CURSES_WACS_MAP version: 6 updated: 2012/10/06 08:57:51 +dnl CF_CURSES_WACS_MAP version: 8 updated: 2021/01/04 19:45:09 dnl ------------------ dnl Check for likely values of wacs_map[]. AC_DEFUN([CF_CURSES_WACS_MAP], @@ -946,7 +1214,7 @@ AC_CACHE_CHECK(for wide alternate character set array, cf_cv_curses_wacs_map,[ #define _XOPEN_SOURCE_EXTENDED #endif #include <${cf_cv_ncurses_header:-curses.h}>], - [void *foo = &($name['k'])], + [void *foo = &(${name}['k']); (void)foo], [cf_cv_curses_wacs_map=$name break]) done]) @@ -954,7 +1222,7 @@ AC_CACHE_CHECK(for wide alternate character set array, cf_cv_curses_wacs_map,[ test "$cf_cv_curses_wacs_map" != unknown && AC_DEFINE_UNQUOTED(CURSES_WACS_ARRAY,$cf_cv_curses_wacs_map,[Define to name of (n)curses wide-character array]) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_CURSES_WACS_SYMBOLS version: 2 updated: 2012/10/06 08:57:51 +dnl CF_CURSES_WACS_SYMBOLS version: 4 updated: 2021/01/04 19:45:09 dnl ---------------------- dnl Do a check to see if the WACS_xxx constants are defined compatibly with dnl X/Open Curses. In particular, NetBSD's implementation of the WACS_xxx @@ -973,7 +1241,7 @@ then #endif #include <${cf_cv_ncurses_header:-curses.h}>], [cchar_t *foo = WACS_PLUS; - $cf_cv_curses_wacs_map['k'] = *WACS_PLUS], + ${cf_cv_curses_wacs_map}['k'] = *WACS_PLUS; (void)foo], [cf_cv_curses_wacs_symbols=yes]) else AC_TRY_LINK([ @@ -981,7 +1249,7 @@ else #define _XOPEN_SOURCE_EXTENDED #endif #include <${cf_cv_ncurses_header:-curses.h}>], - [cchar_t *foo = WACS_PLUS], + [cchar_t *foo = WACS_PLUS; (void)foo], [cf_cv_curses_wacs_symbols=yes]) fi ]) @@ -989,10 +1257,10 @@ fi test "$cf_cv_curses_wacs_symbols" != no && AC_DEFINE(CURSES_WACS_SYMBOLS,1,[Define to 1 if (n)curses supports wide-character WACS_ symbols]) ])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 --------------- @@ -1031,7 +1299,7 @@ AC_SUBST(SHOW_CC) AC_SUBST(ECHO_CC) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_DISABLE_LEAKS version: 7 updated: 2012/10/02 20:55:03 +dnl CF_DISABLE_LEAKS version: 9 updated: 2021/04/03 16:41:50 dnl ---------------- dnl Combine no-leak checks with the libraries or tools that are used for the dnl checks. @@ -1044,17 +1312,19 @@ AC_REQUIRE([CF_WITH_VALGRIND]) AC_MSG_CHECKING(if you want to perform memory-leak testing) AC_ARG_ENABLE(leaks, [ --disable-leaks test: free permanent memory, analyze leaks], - [if test "x$enableval" = xno; then with_no_leaks=yes; else with_no_leaks=no; fi], - : ${with_no_leaks:=no}) + [enable_leaks=$enableval], + [enable_leaks=yes]) +dnl with_no_leaks is more readable... +if test "x$enable_leaks" = xno; then with_no_leaks=yes; else with_no_leaks=no; fi AC_MSG_RESULT($with_no_leaks) -if test "$with_no_leaks" = yes ; then +if test "$enable_leaks" = no ; then AC_DEFINE(NO_LEAKS,1,[Define to 1 if you want to perform memory-leak testing.]) AC_DEFINE(YY_NO_LEAKS,1,[Define to 1 if you want to perform memory-leak testing.]) fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_DISABLE_RPATH_HACK version: 2 updated: 2011/02/13 13:31:33 +dnl CF_DISABLE_RPATH_HACK version: 3 updated: 2021/01/05 20:14:44 dnl --------------------- dnl The rpath-hack makes it simpler to build programs, particularly with the dnl *BSD ports which may have essential libraries in unusual places. But it @@ -1065,35 +1335,88 @@ AC_DEFUN([CF_DISABLE_RPATH_HACK], AC_MSG_CHECKING(if rpath-hack should be disabled) CF_ARG_DISABLE(rpath-hack, [ --disable-rpath-hack don't add rpath options for additional libraries], - [cf_disable_rpath_hack=yes], - [cf_disable_rpath_hack=no]) + [enable_rpath_hack=no], + [enable_rpath_hack=yes]) +dnl TODO - drop cf_disable_rpath_hack +if test "x$enable_rpath_hack" = xno; then cf_disable_rpath_hack=yes; else cf_disable_rpath_hack=no; fi AC_MSG_RESULT($cf_disable_rpath_hack) -if test "$cf_disable_rpath_hack" = no ; then + +if test "$enable_rpath_hack" = yes ; then CF_RPATH_HACK fi ]) dnl --------------------------------------------------------------------------- -dnl CF_ENABLE_WARNINGS version: 4 updated: 2009/07/26 17:53:03 +dnl CF_ENABLE_STRING_HACKS version: 6 updated: 2021/01/05 19:23:48 +dnl ---------------------- +dnl On a few platforms, the compiler and/or loader nags with untruthful +dnl comments stating that "most" uses of strcat/strcpy/sprintf are incorrect, +dnl and implying that most uses of the recommended alternatives are correct. +dnl +dnl Factually speaking, no one has actually counted the number of uses of these +dnl functions versus the total of incorrect uses. Samples of a few thousand +dnl instances are meaningless compared to the hundreds of millions of lines of +dnl existing C code. +dnl +dnl strlcat/strlcpy are (as of 2012) non-standard, and are available on some +dnl platforms, in implementations of varying quality. Likewise, snprintf is +dnl standard - but evolved through phases, and older implementations are likely +dnl to yield surprising results, as documented in manpages on various systems. +AC_DEFUN([CF_ENABLE_STRING_HACKS], +[ +AC_MSG_CHECKING(if you want to work around bogus compiler/loader warnings) +AC_ARG_ENABLE(string-hacks, + [ --enable-string-hacks work around bogus compiler/loader warnings], + [enable_string_hacks=$enableval], + [enable_string_hacks=no]) +AC_MSG_RESULT($enable_string_hacks) + +if test "x$enable_string_hacks" = "xyes"; then + AC_DEFINE(USE_STRING_HACKS,1,[Define to 1 to work around bogus compiler/loader warnings]) + AC_MSG_WARN(enabling string-hacks to work around bogus compiler/loader warnings) + AC_CHECK_FUNC(strlcat,[ + AC_DEFINE(HAVE_STRLCAT,1,[Define to 1 if we have strlcat function]) + ],[ + AC_CHECK_LIB(bsd,strlcat,[ + CF_ADD_LIB(bsd) + AC_CHECK_HEADERS(bsd/string.h) + AC_DEFINE(HAVE_STRLCAT,1,[Define to 1 if we have strlcat function]) + ]) + ]) + AC_CHECK_FUNCS( strlcpy snprintf ) +fi +])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 "$GXX" = yes ) +if test "$GCC" = yes || test "$GXX" = yes then +CF_FIX_WARNINGS(CFLAGS) +CF_FIX_WARNINGS(CPPFLAGS) +CF_FIX_WARNINGS(LDFLAGS) AC_MSG_CHECKING(if you want to turn on gcc warnings) CF_ARG_ENABLE(warnings, [ --enable-warnings test: turn on gcc compiler warnings], - [with_warnings=yes], - [with_warnings=no]) -AC_MSG_RESULT($with_warnings) -if test "$with_warnings" = "yes" + [enable_warnings=yes], + [enable_warnings=no]) +AC_MSG_RESULT($enable_warnings) +if test "$enable_warnings" = "yes" then - CF_GCC_ATTRIBUTES - CF_GCC_WARNINGS + ifelse($2,,[CF_GCC_ATTRIBUTES]) + CF_GCC_WARNINGS($1) fi +ifelse($2,yes,[CF_GCC_ATTRIBUTES]) fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54 +dnl CF_FIND_LIBRARY version: 11 updated: 2021/01/02 09:31:20 dnl --------------- dnl Look for a non-standard library, given parameters for AC_TRY_LINK. We dnl prefer a standard location, and use -L options only if we do not find the @@ -1109,16 +1432,16 @@ dnl Sets the variable "$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,$2) @@ -1128,22 +1451,22 @@ AC_DEFUN([CF_FIND_LIBRARY], LIBS="-L$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. @@ -1200,9 +1523,10 @@ 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 @@ -1234,7 +1558,7 @@ 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" @@ -1273,7 +1597,41 @@ ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5]) fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_FUNC_CURSES_VERSION version: 6 updated: 2012/10/06 16:39:58 +dnl CF_FIX_WARNINGS version: 3 updated: 2020/12/31 18:40:20 +dnl --------------- +dnl Warning flags do not belong in CFLAGS, CPPFLAGS, etc. Any of gcc's +dnl "-Werror" flags can interfere with configure-checks. Those go into +dnl EXTRA_CFLAGS. +dnl +dnl $1 = variable name to repair +define([CF_FIX_WARNINGS],[ +if test "$GCC" = yes || test "$GXX" = yes +then + case [$]$1 in + (*-Werror=*) + CF_VERBOSE(repairing $1: [$]$1) + cf_temp_flags= + for cf_temp_scan in [$]$1 + do + case "x$cf_temp_scan" in + (x-Werror=*) + CF_APPEND_TEXT(EXTRA_CFLAGS,$cf_temp_scan) + ;; + (*) + CF_APPEND_TEXT(cf_temp_flags,$cf_temp_scan) + ;; + esac + done + $1="$cf_temp_flags" + CF_VERBOSE(... fixed [$]$1) + CF_VERBOSE(... extra $EXTRA_CFLAGS) + ;; + esac +fi +AC_SUBST(EXTRA_CFLAGS) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_FUNC_CURSES_VERSION version: 8 updated: 2021/01/02 09:31:20 dnl ---------------------- dnl Solaris has a data item 'curses_version', which confuses AC_CHECK_FUNCS. dnl It's a character string "SVR4", not documented. @@ -1282,10 +1640,10 @@ AC_DEFUN([CF_FUNC_CURSES_VERSION], AC_CACHE_CHECK(for function curses_version, cf_cv_func_curses_version,[ AC_TRY_RUN([ #include <${cf_cv_ncurses_header:-curses.h}> -int main() +int main(void) { char temp[1024]; - sprintf(temp, "%s\n", curses_version()); + sprintf(temp, "%s\\n", curses_version()); ${cf_cv_main_return:-return}(0); }] ,[cf_cv_func_curses_version=yes] @@ -1295,14 +1653,44 @@ rm -f core]) test "$cf_cv_func_curses_version" = yes && AC_DEFINE(HAVE_CURSES_VERSION,1,[Define to 1 if we have curses_version function]) ]) dnl --------------------------------------------------------------------------- -dnl CF_GCC_ATTRIBUTES version: 17 updated: 2015/04/12 15:39:00 +dnl CF_FUNC_OPENPTY version: 6 updated: 2021/01/01 13:31:04 +dnl --------------- +dnl Check for openpty() function, along with header. It may need the +dnl "util" library as well. +AC_DEFUN([CF_FUNC_OPENPTY], +[ +AC_CHECK_LIB(util,openpty,cf_cv_lib_util=yes,cf_cv_lib_util=no) +AC_CACHE_CHECK(for openpty header,cf_cv_func_openpty,[ + cf_save_LIBS="$LIBS" + test "$cf_cv_lib_util" = yes && { CF_ADD_LIB(util) } + for cf_header in pty.h libutil.h util.h + do + AC_TRY_LINK([ +#include <$cf_header> +],[ + int x = openpty((int *)0, (int *)0, (char *)0, + (struct termios *)0, (struct winsize *)0); +],[ + cf_cv_func_openpty=$cf_header + break +],[ + cf_cv_func_openpty=no +]) + done + LIBS="$cf_save_LIBS" +]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_GCC_ATTRIBUTES version: 24 updated: 2021/03/20 12:00:25 dnl ----------------- dnl Test for availability of useful gcc __attribute__ directives to quiet dnl compiler warnings. Though useful, not all are supported -- and contrary dnl to documentation, unrecognized directives cause older compilers to barf. AC_DEFUN([CF_GCC_ATTRIBUTES], -[ -if test "$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" < 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]) ;; @@ -1399,15 +1787,16 @@ EOF fi done else - fgrep define conftest.i >>confdefs.h + ${FGREP-fgrep} define conftest.i >>confdefs.h fi -rm -rf conftest* +rm -rf ./conftest* fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_GCC_VERSION version: 7 updated: 2012/10/18 06:46:33 +dnl CF_GCC_VERSION version: 8 updated: 2019/09/07 13:38:36 dnl -------------- -dnl Find version of gcc +dnl Find version of gcc, and (because icc/clang pretend to be gcc without being +dnl compatible), attempt to determine if icc/clang is actually used. AC_DEFUN([CF_GCC_VERSION],[ AC_REQUIRE([AC_PROG_CC]) GCC_VERSION=none @@ -1417,14 +1806,17 @@ if test "$GCC" = yes ; then 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 @@ -1441,14 +1833,11 @@ 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" <], -[int x = optind; char *y = optarg], +[int x = optind; char *y = optarg; (void)x; (void)y], [cf_cv_getopt_header=$cf_header break]) done ]) -if test $cf_cv_getopt_header != none ; then +if test "$cf_cv_getopt_header" != none ; then AC_DEFINE(HAVE_GETOPT_HEADER,1,[Define to 1 if getopt variables are declared in header]) fi -if test $cf_cv_getopt_header = getopt.h ; then +if test "$cf_cv_getopt_header" = getopt.h ; then AC_DEFINE(NEED_GETOPT_H,1,[Define to 1 if we must include getopt.h]) fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07 +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 @@ -1574,29 +1958,110 @@ 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]) ]) -test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE" + +if test x$cf_cv_gnu_library = xyes; then + + # With glibc 2.19 (13 years after this check was begun), _DEFAULT_SOURCE + # was changed to help a little. newlib incorporated the change about 4 + # years later. + AC_CACHE_CHECK(if _DEFAULT_SOURCE can be used as a basis,cf_cv_gnu_library_219,[ + cf_save="$CPPFLAGS" + CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE) + AC_TRY_COMPILE([#include ],[ + #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 19) || (__GLIBC__ > 2) + return 0; + #elif (__NEWLIB__ == 2 && __NEWLIB_MINOR__ >= 4) || (__GLIBC__ > 3) + return 0; + #else + # error GNU C library __GLIBC__.__GLIBC_MINOR__ is too old + #endif], + [cf_cv_gnu_library_219=yes], + [cf_cv_gnu_library_219=no]) + CPPFLAGS="$cf_save" + ]) + + if test "x$cf_cv_gnu_library_219" = xyes; then + cf_save="$CPPFLAGS" + AC_CACHE_CHECK(if _XOPEN_SOURCE=$cf_gnu_xopen_source works with _DEFAULT_SOURCE,cf_cv_gnu_dftsrc_219,[ + CF_ADD_CFLAGS(-D_DEFAULT_SOURCE -D_XOPEN_SOURCE=$cf_gnu_xopen_source) + AC_TRY_COMPILE([ + #include + #include + ],[ + #if (_XOPEN_SOURCE >= $cf_gnu_xopen_source) && (MB_LEN_MAX > 1) + return 0; + #else + # error GNU C library is too old + #endif], + [cf_cv_gnu_dftsrc_219=yes], + [cf_cv_gnu_dftsrc_219=no]) + ]) + test "x$cf_cv_gnu_dftsrc_219" = "xyes" || CPPFLAGS="$cf_save" + else + cf_cv_gnu_dftsrc_219=maybe + fi + + if test "x$cf_cv_gnu_dftsrc_219" != xyes; then + + AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[ + AC_TRY_COMPILE([#include ],[ + #ifndef _XOPEN_SOURCE + #error expected _XOPEN_SOURCE to be defined + #endif], + [cf_cv_gnu_source=no], + [cf_save="$CPPFLAGS" + CF_ADD_CFLAGS(-D_GNU_SOURCE) + AC_TRY_COMPILE([#include ],[ + #ifdef _XOPEN_SOURCE + #error expected _XOPEN_SOURCE to be undefined + #endif], + [cf_cv_gnu_source=no], + [cf_cv_gnu_source=yes]) + CPPFLAGS="$cf_save" + ]) + ]) + + if test "$cf_cv_gnu_source" = yes + then + AC_CACHE_CHECK(if we should also define _DEFAULT_SOURCE,cf_cv_default_source,[ + CF_APPEND_TEXT(CPPFLAGS,-D_GNU_SOURCE) + AC_TRY_COMPILE([#include ],[ + #ifdef _DEFAULT_SOURCE + #error expected _DEFAULT_SOURCE to be undefined + #endif], + [cf_cv_default_source=no], + [cf_cv_default_source=yes]) + ]) + if test "$cf_cv_default_source" = yes + then + CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE) + fi + fi + fi + +fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_HEADER_PATH version: 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 @@ -1612,7 +2077,7 @@ 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) @@ -1628,25 +2093,26 @@ 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_INHERIT_SCRIPT version: 2 updated: 2003/03/01 23:50:42 @@ -1657,7 +2123,101 @@ AC_DEFUN([CF_INHERIT_SCRIPT], test -f $1 || ( test -f ../$1 && cp ../$1 ./ ) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_INTEL_COMPILER version: 7 updated: 2015/04/12 15:39:00 +dnl CF_INSTALL_OPTS version: 2 updated: 2018/08/18 12:19:21 +dnl --------------- +dnl prompt for/fill-in useful install-program options +AC_DEFUN([CF_INSTALL_OPTS], +[ +CF_INSTALL_OPT_S +CF_INSTALL_OPT_P +CF_INSTALL_OPT_O +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_INSTALL_OPT_O version: 3 updated: 2020/12/31 20:19:42 +dnl ---------------- +dnl Almost all "install" programs default to the current user's ownership. +dnl Almost - MINIX is an exception. +AC_DEFUN([CF_INSTALL_OPT_O], +[ +AC_MSG_CHECKING(if install needs to be told about ownership) +case `$ac_config_guess` in +(*minix) + with_install_o=yes + ;; +(*) + with_install_o=no + ;; +esac + +AC_MSG_RESULT($with_install_o) +if test "x$with_install_o" = xyes +then + INSTALL_OPT_O="`id root|sed -e 's/uid=[[0-9]]*(/ -o /' -e 's/gid=[[0-9]]*(/ -g /' -e 's/ [[^=[:space:]]][[^=[:space:]]]*=.*/ /' -e 's/)//g'`" +else + INSTALL_OPT_O= +fi + +AC_SUBST(INSTALL_OPT_O) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_INSTALL_OPT_P version: 3 updated: 2021/01/01 13:31:04 +dnl ---------------- +dnl Some install-programs accept a "-p" option to preserve file modification +dnl timestamps. That can be useful as an install option, as well as a way to +dnl avoid the need for ranlib after copying a static archive. +AC_DEFUN([CF_INSTALL_OPT_P], +[ +: "${INSTALL:=install}" +AC_CACHE_CHECK(if install accepts -p option, cf_cv_install_p,[ + rm -rf ./conftest* + date >conftest.in + mkdir conftest.out + sleep 3 + if $INSTALL -p conftest.in conftest.out 2>/dev/null + then + if test -f conftest.out/conftest.in + then + test conftest.in -nt conftest.out/conftest.in 2>conftest.err && \ + test conftest.out/conftest.in -nt conftest.in 2>conftest.err + if test -s conftest.err + then + cf_cv_install_p=no + else + cf_cv_install_p=yes + fi + else + cf_cv_install_p=no + fi + else + cf_cv_install_p=no + fi + rm -rf ./conftest* +]) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_INSTALL_OPT_S version: 3 updated: 2021/01/05 19:23:48 +dnl ---------------- +dnl By default, we should strip executables which are installed, but leave the +dnl ability to suppress that for unit-testing. +AC_DEFUN([CF_INSTALL_OPT_S], +[ +AC_MSG_CHECKING(if you want to install stripped executables) +CF_ARG_DISABLE(stripping, + [ --disable-stripping do not strip (debug info) installed executables], + [enable_stripping=no], + [enable_stripping=yes]) +AC_MSG_RESULT($enable_stripping) + +if test "$enable_stripping" = yes +then + INSTALL_OPT_S="-s" +else + INSTALL_OPT_S= +fi +AC_SUBST(INSTALL_OPT_S) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_INTEL_COMPILER version: 8 updated: 2021/01/01 16:53:59 dnl ----------------- dnl Check if the given compiler is really the Intel compiler for Linux. It dnl tries to imitate gcc, but does not return an error when it finds a mismatch @@ -1675,7 +2235,7 @@ 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,[$3])" @@ -1695,7 +2255,7 @@ cf_save_CFLAGS="$cf_save_CFLAGS -we147" fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_LD_RPATH_OPT version: 6 updated: 2015/04/12 15:39:00 +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. @@ -1704,52 +2264,55 @@ 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 "$GCC" = yes; then + LD_RPATH_OPT="-Wl,-rpath," + else + LD_RPATH_OPT="-rpath " + fi + ;; + (linux*|gnu*|k*bsd*-gnu|freebsd*) LD_RPATH_OPT="-Wl,-rpath," - else + ;; + (openbsd[[2-9]].*|mirbsd*) + LD_RPATH_OPT="-Wl,-rpath," + ;; + (dragonfly*) LD_RPATH_OPT="-rpath " - fi - ;; -(linux*|gnu*|k*bsd*-gnu) - LD_RPATH_OPT="-Wl,-rpath," - ;; -(openbsd[[2-9]].*|mirbsd*) - LD_RPATH_OPT="-Wl,-rpath," - ;; -(dragonfly*|freebsd*) - LD_RPATH_OPT="-rpath " - ;; -(netbsd*) - LD_RPATH_OPT="-Wl,-rpath," - ;; -(osf*|mls+*) - LD_RPATH_OPT="-rpath " - ;; -(solaris2*) - LD_RPATH_OPT="-R" - ;; -(*) - ;; -esac -AC_MSG_RESULT($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="$LD_RPATH_OPT " + ;; + esac +fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_LIBRARY_PATH version: 10 updated: 2015/04/15 19:08:48 +dnl CF_LIBRARY_PATH version: 11 updated: 2021/01/01 13:31:04 dnl --------------- dnl Construct a search-list of directories for a nonstandard library-file dnl @@ -1763,7 +2326,7 @@ cf_library_path_list="" if test -n "${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) @@ -1778,6 +2341,89 @@ CF_SUBDIR_PATH($1,$2,lib) $1="$cf_library_path_list [$]$1" ])dnl dnl --------------------------------------------------------------------------- +dnl CF_MAKE_PHONY version: 3 updated: 2021/01/08 16:08:21 +dnl ------------- +dnl Check if the make-program handles a ".PHONY" target, e.g,. a target which +dnl acts as a placeholder. +dnl +dnl The ".PHONY" feature was proposed in 2011 here +dnl https://www.austingroupbugs.net/view.php?id=523 +dnl and is scheduled for release in P1003.1 Issue 8 (late 2022). +dnl +dnl This is not supported by SVr4 make (or SunOS 4, 4.3SD, etc), but works with +dnl a few others (i.e., GNU make and the non-POSIX "BSD" make): +dnl +dnl + This is a GNU make feature (since April 1988, but in turn from binutils, +dnl date unspecified). +dnl +dnl + It was adopted in NetBSD make in June 1995. +dnl +dnl + The other BSD make programs are derived from the NetBSD make (and for +dnl that reason are not actually different "implementations"). +dnl +dnl + Some features of NetBSD make were actually adapted from pmake, which +dnl began as a modified GNU make starting in 1993. +dnl +dnl + Version 3.8 of the dmake program in January 1992 also implemented this +dnl GNU make extension, but is less well known than the BSD make. +AC_DEFUN([CF_MAKE_PHONY],[ +AC_CACHE_CHECK(for \".PHONY\" make-support, cf_cv_make_PHONY,[ + rm -rf conftest* + ( + mkdir conftest || exit 1 + cd conftest + cat >makefile <<'CF_EOF' +.PHONY: always +DATA=0 +always: always.out + @echo "** making [$]@ [$](DATA)" +once: once.out + @echo "** making [$]@ [$](DATA)" +always.out: + @echo "** making [$]@ [$](DATA)" + echo [$](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 @@ -1815,7 +2461,7 @@ AC_SUBST(MAKE_UPPER_TAGS) AC_SUBST(MAKE_LOWER_TAGS) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_MATH_LIB version: 8 updated: 2010/05/29 16:31:02 +dnl CF_MATH_LIB version: 10 updated: 2020/12/31 18:40:20 dnl ----------- dnl Checks for libraries. At least one UNIX system, Apple Macintosh dnl Rhapsody 5.5, does not have -lm. We cannot use the simpler @@ -1826,9 +2472,10 @@ AC_CACHE_CHECK(if -lm needed for math functions, cf_cv_need_libm,[ AC_TRY_LINK([ #include + #include #include ], - [double x = rand(); printf("result = %g\n", ]ifelse([$2],,sin(x),$2)[)], + [double x = rand(); printf("result = %g\\n", ]ifelse([$2],,sin(x),$2)[)], [cf_cv_need_libm=no], [cf_cv_need_libm=yes])]) if test "$cf_cv_need_libm" = yes @@ -1839,7 +2486,7 @@ ifelse($1,,[ fi ]) dnl --------------------------------------------------------------------------- -dnl CF_MIXEDCASE_FILENAMES version: 7 updated: 2015/04/12 15:39:00 +dnl CF_MIXEDCASE_FILENAMES version: 9 updated: 2021/01/01 16:53:59 dnl ---------------------- dnl Check if the file-system supports mixed-case filenames. If we're able to dnl create a lowercase name and see it as uppercase, it doesn't support that. @@ -1847,8 +2494,8 @@ AC_DEFUN([CF_MIXEDCASE_FILENAMES], [ AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[ if test "$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 ;; (*) @@ -1877,7 +2524,7 @@ AC_DEFUN([CF_MSG_LOG],[ echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC ])dnl dnl --------------------------------------------------------------------------- -dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05 +dnl CF_NCURSES_CC_CHECK version: 5 updated: 2020/12/31 20:19:42 dnl ------------------- dnl Check if we can compile with ncurses' header file dnl $1 is the cache variable to set @@ -1897,10 +2544,10 @@ AC_DEFUN([CF_NCURSES_CC_CHECK],[ make an error #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 #endif @@ -1910,11 +2557,13 @@ printf("old\n"); ,[$1=no]) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_NCURSES_CONFIG version: 12 updated: 2015/04/24 20:52:45 +dnl CF_NCURSES_CONFIG version: 27 updated: 2021/05/19 19:35:25 dnl ----------------- -dnl Tie together the configure-script macros for ncurses. -dnl Prefer the "-config" script from ncurses 6.x, to simplify analysis. -dnl Allow that to be overridden using the $NCURSES_CONFIG environment variable. +dnl Tie together the configure-script macros for ncurses, preferring these in +dnl order: +dnl a) ".pc" files for pkg-config, using $NCURSES_CONFIG_PKG +dnl b) the "-config" script from ncurses, using $NCURSES_CONFIG +dnl c) just plain libraries dnl dnl $1 is the root library name (default: "ncurses") AC_DEFUN([CF_NCURSES_CONFIG],[ @@ -1922,7 +2571,7 @@ AC_REQUIRE([CF_PKG_CONFIG]) cf_ncuconfig_root=ifelse($1,,ncurses,$1) cf_have_ncuconfig=no -if test "x$PKG_CONFIG" != xnone; then +if test "x${PKG_CONFIG:=none}" != xnone; then AC_MSG_CHECKING(pkg-config for $cf_ncuconfig_root) if "$PKG_CONFIG" --exists $cf_ncuconfig_root ; then AC_MSG_RESULT(yes) @@ -1930,45 +2579,88 @@ if test "x$PKG_CONFIG" != 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_ADD_CFLAGS($cf_pkg_cflags) + CF_ADD_LIBS($cf_pkg_libs) AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>], - [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);], + [initscr(); mousemask(0,0); tigetstr((char *)0);], [AC_TRY_RUN([#include <${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=no], + [cf_have_ncuconfig=maybe])], [cf_have_ncuconfig=no]) - AC_MSG_RESULT($cf_have_ncuconfig) + test "$cf_have_ncuconfig" = maybe && cf_have_ncuconfig=yes if test "$cf_have_ncuconfig" != "yes" then CPPFLAGS="$cf_save_CPPFLAGS" LIBS="$cf_save_LIBS" + NCURSES_CONFIG_PKG=none else AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries]) + NCURSES_CONFIG_PKG=$cf_ncuconfig_root + CF_TERM_HEADER fi else AC_MSG_RESULT(no) + NCURSES_CONFIG_PKG=none fi +else + NCURSES_CONFIG_PKG=none fi if test "x$cf_have_ncuconfig" = "xno"; then - 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_ADD_CFLAGS(`$NCURSES_CONFIG --cflags`) CF_ADD_LIBS(`$NCURSES_CONFIG --libs`) # even with config script, some packages use no-override for curses.h @@ -1982,7 +2674,7 @@ 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 @@ -1990,10 +2682,12 @@ if test "x$cf_have_ncuconfig" = "xno"; then CF_NCURSES_LIBS(ifelse($1,,ncurses,$1)) fi +else + NCURSES_CONFIG=none fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_NCURSES_CPPFLAGS version: 21 updated: 2012/10/06 08:57:51 +dnl CF_NCURSES_CPPFLAGS version: 22 updated: 2021/01/02 09:31:20 dnl ------------------- dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting dnl the CPPFLAGS variable so we can include its header. @@ -2027,7 +2721,7 @@ test "$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,$1) @@ -2079,7 +2773,7 @@ AC_TRY_LINK([ test "$cf_cv_ncurses_ext_funcs" = yes && AC_DEFINE(NCURSES_EXT_FUNCS,1,[Define to 1 if we have ncurses extensions]) ])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. @@ -2094,7 +2788,7 @@ 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 @@ -2106,7 +2800,7 @@ 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 @@ -2118,9 +2812,9 @@ 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) @@ -2128,13 +2822,13 @@ 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]) ;; @@ -2145,7 +2839,7 @@ esac ])dnl dnl --------------------------------------------------------------------------- -dnl CF_NCURSES_LIBS version: 17 updated: 2015/04/15 19:08:48 +dnl CF_NCURSES_LIBS version: 20 updated: 2021/01/03 08:05:37 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. @@ -2171,7 +2865,7 @@ 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). @@ -2183,7 +2877,7 @@ 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 @@ -2197,13 +2891,13 @@ 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="$cf_ncurses_SAVE"]) @@ -2213,7 +2907,22 @@ CF_UPPER(cf_nculib_ROOT,HAVE_LIB$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_PTHREADS version: 2 updated: 2016/04/22 05:07:41 +dnl ------------------- +dnl Use this followup check to ensure that we link with pthreads if ncurses +dnl uses it. +AC_DEFUN([CF_NCURSES_PTHREADS],[ +: ${cf_nculib_root:=ifelse($1,,ncurses,$1)} +AC_CHECK_LIB($cf_nculib_root,_nc_init_pthreads, + cf_cv_ncurses_pthreads=yes, + cf_cv_ncurses_pthreads=no) +if test "$cf_cv_ncurses_pthreads" = yes +then + CF_ADD_LIBS(-lpthread) +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_NCURSES_VERSION version: 16 updated: 2020/12/31 20:19:42 dnl ------------------ dnl Check for the version of ncurses, to aid in reporting bugs, etc. dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS. We don't use @@ -2224,22 +2933,22 @@ 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([ #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 # endif @@ -2250,7 +2959,7 @@ 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 @@ -2265,12 +2974,12 @@ 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 "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries]) ])dnl @@ -2330,23 +3039,33 @@ AC_TRY_COMPILE([ test "$cf_cv_netbsd_menu_h" = yes && AC_DEFINE(HAVE_NETBSD_MENU_H,1,[Define to 1 if we appear to be using NetBSD menu.h]) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_NO_LEAKS_OPTION version: 6 updated: 2015/04/12 15:39:00 +dnl CF_NO_LEAKS_OPTION version: 9 updated: 2021/06/13 19:45:41 dnl ------------------ dnl see CF_WITH_NO_LEAKS +dnl +dnl $1 = option/name +dnl $2 = help-text +dnl $3 = symbol to define if the option is set +dnl $4 = additional actions to take if the option is set AC_DEFUN([CF_NO_LEAKS_OPTION],[ AC_MSG_CHECKING(if you want to use $1 for testing) AC_ARG_WITH($1, [$2], - [AC_DEFINE_UNQUOTED($3,1,"Define to 1 if you want to use $1 for testing.")ifelse([$4],,[ + [case "x$withval" in + (x|xno) ;; + (*) + : "${with_cflags:=-g}" + : "${enable_leaks:=no}" + with_$1=yes + AC_DEFINE_UNQUOTED($3,1,"Define to 1 if you want to use $1 for testing.")ifelse([$4],,[ $4 ]) - : ${with_cflags:=-g} - : ${with_no_leaks:=yes} - with_$1=yes], + ;; + esac], [with_$1=]) AC_MSG_RESULT(${with_$1:-no}) -case .$with_cflags in +case ".$with_cflags" in (.*-g*) case .$CFLAGS in (.*-g*) @@ -2359,7 +3078,7 @@ case .$with_cflags in esac ])dnl dnl --------------------------------------------------------------------------- -dnl CF_PATH_SYNTAX version: 16 updated: 2015/04/18 08:56:57 +dnl CF_PATH_SYNTAX version: 18 updated: 2020/12/31 18:40:20 dnl -------------- dnl Check the argument to see that it looks like a pathname. Rewrite it if it dnl begins with one of the prefix/exec_prefix variables, and then again if the @@ -2379,16 +3098,16 @@ case ".[$]$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\"])],$2) @@ -2396,7 +3115,7 @@ case ".[$]$1" in esac ])dnl dnl --------------------------------------------------------------------------- -dnl CF_PDCURSES_X11 version: 13 updated: 2012/10/06 16:39:58 +dnl CF_PDCURSES_X11 version: 15 updated: 2021/01/02 09:31:20 dnl --------------- dnl Configure for PDCurses' X11 library AC_DEFUN([CF_PDCURSES_X11],[ @@ -2408,7 +3127,7 @@ CF_ACVERSION_CHECK(2.52, if test "$XCURSES_CONFIG" != none ; then -CPPFLAGS="$CPPFLAGS `$XCURSES_CONFIG --cflags`" +CF_ADD_CFLAGS(`$XCURSES_CONFIG --cflags`) CF_ADD_LIBS(`$XCURSES_CONFIG --libs`) cf_cv_lib_XCurses=yes @@ -2432,7 +3151,7 @@ char *XCursesProgramName = "test"; fi -if test $cf_cv_lib_XCurses = yes ; then +if test "$cf_cv_lib_XCurses" = yes ; then AC_DEFINE(UNIX,1,[Define to 1 if using PDCurses on Unix]) AC_DEFINE(XCURSES,1,[Define to 1 if using PDCurses on Unix]) AC_CHECK_HEADER(xcurses.h, AC_DEFINE(HAVE_XCURSES,1,[Define to 1 if using PDCurses on Unix])) @@ -2441,7 +3160,7 @@ else fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_PKG_CONFIG version: 9 updated: 2015/04/12 15:39:00 +dnl CF_PKG_CONFIG version: 11 updated: 2021/01/01 13:31:04 dnl ------------- dnl Check for the package-config program, unless disabled by command-line. AC_DEFUN([CF_PKG_CONFIG], @@ -2453,7 +3172,7 @@ AC_ARG_WITH(pkg-config, [cf_pkg_config=yes]) AC_MSG_RESULT($cf_pkg_config) -case $cf_pkg_config in +case "$cf_pkg_config" in (no) PKG_CONFIG=none ;; @@ -2470,14 +3189,14 @@ esac test -z "$PKG_CONFIG" && PKG_CONFIG=none if test "$PKG_CONFIG" != none ; then CF_PATH_SYNTAX(PKG_CONFIG) -else +elif test "x$cf_pkg_config" != xno ; then AC_MSG_WARN(pkg-config is not installed) fi AC_SUBST(PKG_CONFIG) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_POSIX_C_SOURCE version: 9 updated: 2015/04/12 15:39:00 +dnl CF_POSIX_C_SOURCE version: 11 updated: 2018/12/31 20:46:17 dnl ----------------- dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed. dnl @@ -2492,7 +3211,10 @@ 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" @@ -2530,7 +3252,8 @@ make an error 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,$cf_cv_posix_c_source) CF_MSG_LOG(if the second compile does not leave our definition intact error) AC_TRY_COMPILE([#include ],[ #ifndef _POSIX_C_SOURCE @@ -2548,9 +3271,38 @@ if test "$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_PRG_RULES version: 1 updated: 2006/06/03 11:45:08 +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_PRG_RULES version: 2 updated: 2021/01/01 13:31:04 dnl ------------ dnl Append definitions and rules for the given programs to the subdirectory dnl Makefiles, and the recursion rule for the top-level Makefile. @@ -2565,20 +3317,24 @@ AC_DEFUN([CF_PRG_RULES], [ for cf_dir in $2 do - if test ! -d $srcdir/$cf_dir; then + if test ! -d "$srcdir/$cf_dir" ; then continue - elif test -f $srcdir/$cf_dir/programs; then - $AWK -f $1 $srcdir/$cf_dir/programs >>$cf_dir/Makefile + elif test -f "$srcdir/$cf_dir/programs" ; then + $AWK -f $1 "$srcdir/$cf_dir/programs" >>$cf_dir/Makefile fi done ])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, @@ -2587,7 +3343,7 @@ CF_ACVERSION_CHECK(2.52, CF_CC_ENV_FLAGS ])dnl dnl --------------------------------------------------------------------------- -dnl CF_PROG_INSTALL version: 7 updated: 2015/04/18 08:56:57 +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 @@ -2600,16 +3356,21 @@ case $INSTALL in (*) CF_DIRNAME(cf_dir,$INSTALL) test -z "$cf_dir" && cf_dir=. - INSTALL=`cd $cf_dir && pwd`/`echo $INSTALL | sed -e 's%^.*/%%'` + INSTALL="`cd \"$cf_dir\" && pwd`"/"`echo "$INSTALL" | sed -e 's%^.*/%%'`" ;; esac ])dnl dnl --------------------------------------------------------------------------- -dnl CF_PROG_LINT version: 2 updated: 2009/08/12 04:43:14 +dnl CF_PROG_LINT version: 4 updated: 2019/11/20 18:55:37 dnl ------------ AC_DEFUN([CF_PROG_LINT], [ -AC_CHECK_PROGS(LINT, tdlint lint alint splint lclint) +AC_CHECK_PROGS(LINT, lint cppcheck splint) +case "x$LINT" in +(xcppcheck|x*/cppcheck) + test -z "$LINT_OPTS" && LINT_OPTS="--enable=all" + ;; +esac AC_SUBST(LINT_OPTS) ])dnl dnl --------------------------------------------------------------------------- @@ -2630,11 +3391,23 @@ $1=`echo "$2" | \ -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[$]//g'` ])dnl dnl --------------------------------------------------------------------------- -dnl CF_RPATH_HACK version: 11 updated: 2013/09/01 13:02:00 +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_$1" +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_RPATH_HACK version: 13 updated: 2021/01/03 18:30:50 dnl ------------- AC_DEFUN([CF_RPATH_HACK], -[ -AC_REQUIRE([CF_LD_RPATH_OPT]) +[AC_REQUIRE([AC_PROG_FGREP])dnl +AC_REQUIRE([CF_LD_RPATH_OPT])dnl + AC_MSG_CHECKING(for updated LDFLAGS) if test -n "$LD_RPATH_OPT" ; then AC_MSG_RESULT(maybe) @@ -2647,8 +3420,8 @@ if test -n "$LD_RPATH_OPT" ; then AC_TRY_LINK([#include ], [printf("Hello");], - [cf_rpath_oops=`$cf_ldd_prog conftest$ac_exeext | fgrep ' not found' | sed -e 's% =>.*$%%' |sort | uniq` - cf_rpath_list=`$cf_ldd_prog conftest$ac_exeext | fgrep / | sed -e 's%^.*[[ ]]/%/%' -e 's%/[[^/]][[^/]]*$%%' |sort | uniq`]) + [cf_rpath_oops=`"$cf_ldd_prog" "conftest$ac_exeext" | ${FGREP-fgrep} ' not found' | sed -e 's% =>.*$%%' |sort | uniq` + cf_rpath_list=`"$cf_ldd_prog" "conftest$ac_exeext" | ${FGREP-fgrep} / | sed -e 's%^.*[[ ]]/%/%' -e 's%/[[^/]][[^/]]*$%%' |sort | uniq`]) # If we passed the link-test, but get a "not found" on a given library, # this could be due to inept reconfiguration of gcc to make it only @@ -2664,7 +3437,7 @@ AC_TRY_LINK([#include ], /usr/pkg \ /opt/sfw do - if test -f $cf_rpath_dir/lib/$cf_rpath_src + if test -f "$cf_rpath_dir/lib/$cf_rpath_src" then CF_VERBOSE(...adding -L$cf_rpath_dir/lib to LDFLAGS for $cf_rpath_src) LDFLAGS="$LDFLAGS -L$cf_rpath_dir/lib" @@ -2687,7 +3460,7 @@ fi AC_SUBST(EXTRA_LDFLAGS) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_RPATH_HACK_2 version: 7 updated: 2015/04/12 15:39:00 +dnl CF_RPATH_HACK_2 version: 8 updated: 2021/01/01 13:31:04 dnl --------------- dnl Do one set of substitutions for CF_RPATH_HACK, adding an rpath option to dnl EXTRA_LDFLAGS for each -L option found. @@ -2703,7 +3476,7 @@ CF_VERBOSE(...checking $1 [$]$1) cf_rpath_dst= for cf_rpath_src in [$]$1 do - case $cf_rpath_src in + case "$cf_rpath_src" in (-L*) # check if this refers to a directory which we will ignore @@ -2747,9 +3520,93 @@ CF_VERBOSE(...checked $1 [$]$1) AC_SUBST(EXTRA_LDFLAGS) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_SIG_ATOMIC_T version: 3 updated: 2012/10/04 20:12:20 +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 $cf_X_CFLAGS" + ;; + esac +done +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_SIGWINCH version: 6 updated: 2021/01/01 13:31:04 +dnl ----------- +dnl Use this macro after CF_XOPEN_SOURCE, but do not require it (not all +dnl programs need this test). +dnl +dnl This is really a Mac OS X 10.4.3 workaround. Defining _POSIX_C_SOURCE +dnl forces SIGWINCH to be undefined (breaks xterm, ncurses). Oddly, the struct +dnl winsize declaration is left alone - we may revisit this if Apple choose to +dnl break that part of the interface as well. +AC_DEFUN([CF_SIGWINCH], +[ +AC_CACHE_CHECK(if SIGWINCH is defined,cf_cv_define_sigwinch,[ + AC_TRY_COMPILE([ +#include +#include +],[int x = SIGWINCH; (void)x], + [cf_cv_define_sigwinch=yes], + [AC_TRY_COMPILE([ +#undef _XOPEN_SOURCE +#undef _POSIX_SOURCE +#undef _POSIX_C_SOURCE +#include +#include +],[int x = SIGWINCH; (void)x], + [cf_cv_define_sigwinch=maybe], + [cf_cv_define_sigwinch=no]) +]) +]) + +if test "$cf_cv_define_sigwinch" = maybe ; then +AC_CACHE_CHECK(for actual SIGWINCH definition,cf_cv_fixup_sigwinch,[ +cf_cv_fixup_sigwinch=unknown +cf_sigwinch=32 +while test "$cf_sigwinch" != 1 +do + AC_TRY_COMPILE([ +#undef _XOPEN_SOURCE +#undef _POSIX_SOURCE +#undef _POSIX_C_SOURCE +#include +#include +],[ +#if SIGWINCH != $cf_sigwinch +make an error +#endif +int x = SIGWINCH; (void)x], + [cf_cv_fixup_sigwinch=$cf_sigwinch + break]) + +cf_sigwinch="`expr "$cf_sigwinch" - 1`" +done +]) + + if test "$cf_cv_fixup_sigwinch" != unknown ; then + CPPFLAGS="$CPPFLAGS -DSIGWINCH=$cf_cv_fixup_sigwinch" + fi +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_SIG_ATOMIC_T version: 5 updated: 2020/03/10 18:53:47 dnl --------------- -dnl signal handler, but there are some gcc depedencies in that recommendation. +dnl signal handler, but there are some gcc dependencies in that recommendation. dnl Try anyway. AC_DEFUN([CF_SIG_ATOMIC_T], [ @@ -2769,6 +3626,7 @@ extern $cf_type x; $cf_type x; static void handler(int sig) { + (void)sig; x = 5; }], [signal(SIGINT, handler); @@ -2829,14 +3687,14 @@ AC_MSG_RESULT($cf_cv_sys_time_select) test "$cf_cv_sys_time_select" = yes && AC_DEFINE(HAVE_SYS_TIME_SELECT,1,[Define to 1 if we can include with ]) ])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%'` ;; @@ -2850,7 +3708,7 @@ 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 ]) @@ -2860,13 +3718,13 @@ 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]) ;; @@ -2885,21 +3743,21 @@ top_builddir=ifelse($1,,`pwd`,$1) AC_SUBST(top_builddir) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_TPUTS_PROTO version: 3 updated: 2015/04/17 21:26:14 +dnl CF_TPUTS_PROTO version: 4 updated: 2021/01/04 19:45:09 dnl -------------- dnl Check for type of function-pointer passed to tputs. Some old dnl implementations used functions that had different prototypes, making it dnl hard to compile portable programs using tputs. AC_DEFUN([CF_TPUTS_PROTO],[ CF_CURSES_FUNCS(tputs) -if test x$cf_cv_func_tputs = xyes +if test "x$cf_cv_func_tputs" = xyes then cf_done=no for cf_arg in int char do for cf_ret in int void do - if test $cf_ret = void + if test "$cf_ret" = void then cf_return="/* nothing */" else @@ -2924,7 +3782,7 @@ EOF break ]) done - test $cf_done = yes && break + test "$cf_done" = yes && break done fi ])dnl @@ -2945,21 +3803,21 @@ AC_DEFUN([CF_TRIM_X_LIBS],[ done ]) dnl --------------------------------------------------------------------------- -dnl CF_TRY_PKG_CONFIG version: 5 updated: 2013/07/06 21:27:06 +dnl CF_TRY_PKG_CONFIG version: 6 updated: 2020/12/31 10:54:15 dnl ----------------- dnl This is a simple wrapper to use for pkg-config, for libraries which may be dnl available in that form. dnl -dnl $1 = package name +dnl $1 = package name, which may be a shell variable dnl $2 = extra logic to use, if any, after updating CFLAGS and LIBS dnl $3 = logic to use if pkg-config does not have the package AC_DEFUN([CF_TRY_PKG_CONFIG],[ AC_REQUIRE([CF_PKG_CONFIG]) -if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists $1; then +if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists "$1"; then CF_VERBOSE(found package $1) - cf_pkgconfig_incs="`$PKG_CONFIG --cflags $1 2>/dev/null`" - cf_pkgconfig_libs="`$PKG_CONFIG --libs $1 2>/dev/null`" + cf_pkgconfig_incs="`$PKG_CONFIG --cflags "$1" 2>/dev/null`" + cf_pkgconfig_libs="`$PKG_CONFIG --libs "$1" 2>/dev/null`" CF_VERBOSE(package $1 CFLAGS: $cf_pkgconfig_incs) CF_VERBOSE(package $1 LIBS: $cf_pkgconfig_libs) CF_ADD_CFLAGS($cf_pkgconfig_incs) @@ -2972,7 +3830,7 @@ else fi ]) dnl --------------------------------------------------------------------------- -dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50 +dnl CF_TRY_XOPEN_SOURCE version: 2 updated: 2018/06/20 20:23:13 dnl ------------------- dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we dnl can define it successfully. @@ -2988,7 +3846,7 @@ make an error #endif], [cf_cv_xopen_source=no], [cf_save="$CPPFLAGS" - CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE" + CF_APPEND_TEXT(CPPFLAGS,-D_XOPEN_SOURCE=$cf_XOPEN_SOURCE) AC_TRY_COMPILE([ #include #include @@ -3020,15 +3878,21 @@ AC_DEFUN([CF_UPPER], $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%` ])dnl dnl --------------------------------------------------------------------------- -dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51 +dnl CF_UTF8_LIB version: 9 updated: 2021/05/19 19:35:25 dnl ----------- dnl Check for multibyte support, and if not found, utf8 compatibility library AC_DEFUN([CF_UTF8_LIB], [ +AC_HAVE_HEADERS(wchar.h) AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[ cf_save_LIBS="$LIBS" AC_TRY_LINK([ -#include ],[putwc(0,0);], +#include +#include +#ifdef HAVE_WCHAR_H +#include +#endif +],[putwc(0,0);], [cf_cv_utf8_lib=yes], [CF_FIND_LINKAGE([ #include ],[putwc(0,0);],utf8, @@ -3104,7 +3968,7 @@ fi ]) ])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. @@ -3117,7 +3981,7 @@ 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" @@ -3158,7 +4022,36 @@ if test "$with_dmalloc" = yes ; then fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_WITH_NCURSES_ETC version: 4 updated: 2015/04/25 20:53:11 +dnl CF_WITH_LIB_BASENAME version: 1 updated: 2020/03/07 20:05:14 +dnl -------------------- +dnl Allow for overriding the basename of a library, i.e., the part to which +dnl prefixes/suffixes are attached. +dnl +dnl $1 = variable to set +dnl $2 = option name +dnl $3 = default basename for library, if omitted use $2 +AC_DEFUN([CF_WITH_LIB_BASENAME], +[ +AC_MSG_CHECKING(for desired basename for $2 library) +AC_ARG_WITH($2-libname, + [ --with-$2-libname=XXX override ifelse($3,,$2,$3) basename of library], + [with_lib_basename=$withval], + [with_lib_basename=ifelse($3,,$2,$3)]) +$1="$with_lib_basename" + +case "x[$]$1" in +(x|xno|xnone|xyes) + $1=ifelse($3,,$2,$3) + ;; +(*) + ;; +esac + +AC_MSG_RESULT([$]$1) +AC_SUBST($1) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_WITH_NCURSES_ETC version: 5 updated: 2016/02/20 19:23:20 dnl ------------------- dnl Use this macro for programs which use any variant of "curses", e.g., dnl "ncurses", and "PDCurses". Programs that can use curses and some unrelated @@ -3217,6 +4110,25 @@ case $cf_cv_screen in ;; esac +CF_NCURSES_PTHREADS($cf_cv_screen) + +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_WITH_SCREEN_PDCURSES version: 1 updated: 2020/08/28 16:56:27 +dnl ----------------------- +dnl Call this macro before CF_ENABLE_WARNINGS for configure scripts which use +dnl the "--with-screen=pdcurses" selection. Doing that allows the configure +dnl script to search for the X11/Xt header files to declare (or not) the +dnl symbol needed to enable "const" in those header files. If that configure +dnl option is not used, then those checks are unnecessary. +AC_DEFUN([CF_WITH_SCREEN_PDCURSES],[ +AC_PROVIDE([AC_PATH_XTRA]) +AC_PROVIDE([AC_PATH_X]) +if test -n "$with_screen" && test "x$with_screen" = "xpdcurses" +then + AC_PATH_X + AC_PATH_XTRA +fi ])dnl dnl --------------------------------------------------------------------------- dnl CF_WITH_VALGRIND version: 1 updated: 2006/12/14 18:00:21 @@ -3227,7 +4139,93 @@ CF_NO_LEAKS_OPTION(valgrind, [USE_VALGRIND]) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_XOPEN_CURSES version: 11 updated: 2011/01/18 18:15:30 +dnl CF_WITH_X11_RGB version: 2 updated: 2019/12/31 08:53:54 +dnl --------------- +dnl Handle configure option "--with-x11-rgb", setting these shell +dnl variables: +dnl +dnl $RGB_PATH is the option value, used for finding the X11 rgb file. +dnl $no_x11_rgb is a "#" (comment) if "--without-x11-rgb" is given. +dnl +dnl Most Linux's use this: +dnl /usr/share/X11/rgb.txt +dnl Debian uses this: +dnl /etc/X11/rgb.txt +dnl DragonFlyBSD ports uses this: +dnl /usr/pkg/lib/X11/rgb.txt +dnl FreeBSD ports use these: +dnl /usr/local/lib/X11/rgb.txt +dnl /usr/local/share/X11/rgb.txt +dnl Mandriva has these: +dnl /usr/lib/X11/rgb.txt +dnl /usr/lib64/X11/rgb.txt +dnl NetBSD has these +dnl /usr/X11R7/lib/X11/rgb.txt +dnl OpenSolaris uses +dnl 32-bit: +dnl /usr/X11/etc/X11/rgb.txt +dnl /usr/X11/share/X11/rgb.txt +dnl /usr/X11/lib/X11/rgb.txt +dnl OSX uses +dnl /opt/local/share/X11/rgb.txt (MacPorts) +dnl /opt/X11/share/X11/rgb.txt (non-ports) +dnl 64-bit: +dnl /usr/X11/etc/X11/rgb.txt +dnl /usr/X11/share/X11/rgb.txt (perhaps) +dnl /usr/X11/lib/amd64/X11/rgb.txt +dnl Solaris10 uses (in this order): +dnl /usr/openwin/lib/X11/rgb.txt +dnl /usr/X11/lib/X11/rgb.txt +AC_DEFUN([CF_WITH_X11_RGB],[ +AC_MSG_CHECKING(for X11 rgb file) +AC_ARG_WITH(x11-rgb, + [ --with-x11-rgb=FILE file containing X11 rgb information (EPREFIX/lib/X11/rgb.txt)], + [RGB_PATH=$withval], + [RGB_PATH=auto]) + +if test "x[$]RGB_PATH" = xauto +then + RGB_PATH='${exec_prefix}/lib/X11/rgb.txt' + for cf_path in \ + /opt/local/share/X11/rgb.txt \ + /opt/X11/share/X11/rgb.txt \ + /usr/share/X11/rgb.txt \ + /usr/X11/share/X11/rgb.txt \ + /usr/X11/lib/X11/rgb.txt \ + /usr/lib/X11/rgb.txt \ + /etc/X11/rgb.txt \ + /usr/pkg/lib/X11/rgb.txt \ + /usr/X11R7/lib/X11/rgb.txt \ + /usr/X11R6/lib/X11/rgb.txt \ + /usr/X11R5/lib/X11/rgb.txt \ + /usr/X11R4/lib/X11/rgb.txt \ + /usr/local/lib/X11/rgb.txt \ + /usr/local/share/X11/rgb.txt \ + /usr/lib64/X11/rgb.txt + do + if test -f "$cf_path" ; then + RGB_PATH="$cf_path" + break + fi + done +else + cf_path=$RGB_PATH + CF_PATH_SYNTAX(cf_path) +fi + +AC_MSG_RESULT($RGB_PATH) +AC_SUBST(RGB_PATH) +AC_DEFINE_UNQUOTED(RGB_PATH,"$cf_path",[Define to the full pathname of rgb.txt]) + +no_x11_rgb= +if test "$RGB_PATH" = no +then + no_x11_rgb="#" +fi +AC_SUBST(no_x11_rgb) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_XOPEN_CURSES version: 17 updated: 2021/07/10 12:22:27 dnl --------------- dnl Test if we should define X/Open source for curses, needed on Digital Unix dnl 4.x, to see the extended functions, but breaks on IRIX 6.x. @@ -3237,7 +4235,8 @@ dnl as getbegy(). The latter is better design, but the former is standard. AC_DEFUN([CF_XOPEN_CURSES], [ AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl -AC_CACHE_CHECK(if we must define _XOPEN_SOURCE_EXTENDED,cf_cv_need_xopen_extension,[ +AC_CACHE_CHECK(definition to turn on extended curses functions,cf_cv_need_xopen_extension,[ +cf_cv_need_xopen_extension=unknown AC_TRY_LINK([ #include #include <${cf_cv_ncurses_header:-curses.h}>],[ @@ -3246,27 +4245,51 @@ AC_TRY_LINK([ make an error #endif #endif - long x = winnstr(stdscr, "", 0); - int x1, y1; - getbegyx(stdscr, y1, x1)], - [cf_cv_need_xopen_extension=no], - [AC_TRY_LINK([ -#define _XOPEN_SOURCE_EXTENDED -#include -#include <${cf_cv_ncurses_header:-curses.h}>],[ -#ifdef NCURSES_VERSION +#ifdef NCURSES_WIDECHAR +make an error /* prefer to fall-through on the second checks */ +#endif cchar_t check; int check2 = curs_set((int)sizeof(check)); -#endif long x = winnstr(stdscr, "", 0); int x1, y1; - getbegyx(stdscr, y1, x1)], - [cf_cv_need_xopen_extension=yes], - [cf_cv_need_xopen_extension=unknown])])]) -test $cf_cv_need_xopen_extension = yes && CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED" + (void)check2; + getbegyx(stdscr, y1, x1); + (void)x; + (void)y1; + (void)x1; + ], + [cf_cv_need_xopen_extension=none], + [ + for cf_try_xopen_extension in _XOPEN_SOURCE_EXTENDED NCURSES_WIDECHAR + do + AC_TRY_LINK([ +#define $cf_try_xopen_extension 1 +#include +#include <${cf_cv_ncurses_header:-curses.h}>],[ + cchar_t check; + int check2 = curs_set((int)sizeof(check)); + long x = winnstr(stdscr, "", 0); + int x1, y1; + getbegyx(stdscr, y1, x1); + (void)check2; + (void)x; + (void)y1; + (void)x1; + ], + [cf_cv_need_xopen_extension=$cf_try_xopen_extension; break]) + done + ]) +]) + +case "$cf_cv_need_xopen_extension" in +(*_*) + CF_APPEND_TEXT(CPPFLAGS,-D$cf_cv_need_xopen_extension) + ;; +esac + ])dnl dnl --------------------------------------------------------------------------- -dnl CF_XOPEN_SOURCE version: 49 updated: 2015/04/12 15:39:00 +dnl CF_XOPEN_SOURCE version: 58 updated: 2021/05/01 17:49:36 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, @@ -3277,16 +4300,19 @@ dnl $1 is the nominal value for _XOPEN_SOURCE dnl $2 is the nominal value for _POSIX_C_SOURCE AC_DEFUN([CF_XOPEN_SOURCE],[ AC_REQUIRE([AC_CANONICAL_HOST]) +AC_REQUIRE([CF_POSIX_VISIBLE]) + +if test "$cf_cv_posix_visible" = no; then cf_XOPEN_SOURCE=ifelse([$1],,500,[$1]) cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2]) cf_xopen_source= -case $host_os in +case "$host_os" in (aix[[4-7]]*) cf_xopen_source="-D_ALL_SOURCE" ;; -(cygwin|msys) +(msys) cf_XOPEN_SOURCE=600 ;; (darwin[[0-8]].*) @@ -3296,7 +4322,7 @@ 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 @@ -3314,8 +4340,8 @@ case $host_os in cf_xopen_source="-D_SGI_SOURCE" cf_XOPEN_SOURCE= ;; -(linux*|gnu*|mint*|k*bsd*-gnu) - CF_GNU_SOURCE +(linux*|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin) + CF_GNU_SOURCE($cf_XOPEN_SOURCE) ;; (minix*) cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this... @@ -3328,7 +4354,15 @@ case $host_os in (netbsd*) cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw ;; -(openbsd[[4-9]]*) +(openbsd[[6-9]]*) + # OpenBSD 6.x has broken locale support, both compile-time and runtime. + # see https://www.mail-archive.com/bugs@openbsd.org/msg13200.html + # Abusing the conformance level is a workaround. + AC_MSG_WARN(this system does not provide usable locale support) + cf_xopen_source="-D_BSD_SOURCE" + cf_XOPEN_SOURCE=700 + ;; +(openbsd[[4-5]]*) # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw cf_xopen_source="-D_BSD_SOURCE" cf_XOPEN_SOURCE=600 @@ -3375,7 +4409,7 @@ make an error [cf_XOPEN_SOURCE_set=yes], [cf_XOPEN_SOURCE_set=no]) AC_MSG_RESULT($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 @@ -3383,7 +4417,7 @@ make an error #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 @@ -3391,9 +4425,10 @@ make an error CF_TRY_XOPEN_SOURCE fi fi +fi # cf_cv_posix_visible ]) dnl --------------------------------------------------------------------------- -dnl CF_X_ATHENA version: 23 updated: 2015/04/12 15:39:00 +dnl CF_X_ATHENA version: 24 updated: 2020/03/10 18:53:47 dnl ----------- dnl Check for Xaw (Athena) libraries dnl @@ -3469,7 +4504,8 @@ AC_CACHE_CHECK(for usable $cf_x_athena/Xmu package,cf_cv_xaw_compat,[ AC_TRY_LINK([ #include ],[ -int check = XmuCompareISOLatin1("big", "small") +int check = XmuCompareISOLatin1("big", "small"); +(void)check; ],[cf_cv_xaw_compat=yes],[cf_cv_xaw_compat=no])]) if test "$cf_cv_xaw_compat" = no @@ -3505,12 +4541,13 @@ if test -z "$cf_x_athena_lib" ; then fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_X_ATHENA_CPPFLAGS version: 5 updated: 2010/05/26 17:35:30 +dnl CF_X_ATHENA_CPPFLAGS version: 9 updated: 2020/12/31 10:54:15 dnl -------------------- dnl Normally invoked by CF_X_ATHENA, with $1 set to the appropriate flavor of dnl the Athena widgets, e.g., Xaw, Xaw3d, neXtaw. AC_DEFUN([CF_X_ATHENA_CPPFLAGS], [ +AC_REQUIRE([AC_PATH_XTRA]) cf_x_athena_root=ifelse([$1],,Xaw,[$1]) cf_x_athena_inc="" @@ -3521,10 +4558,10 @@ for cf_path in default \ /usr/local do if test -z "$cf_x_athena_inc" ; then - cf_save="$CPPFLAGS" + CF_SAVE_XTRA_FLAGS([CF_X_ATHENA_CPPFLAGS]) cf_test=X11/$cf_x_athena_root/SimpleMenu.h - if test $cf_path != default ; then - CPPFLAGS="$cf_save -I$cf_path/include" + if test "$cf_path" != default ; then + CF_APPEND_TEXT(CPPFLAGS,-I$cf_path/include) AC_MSG_CHECKING(for $cf_test in $cf_path) else AC_MSG_CHECKING(for $cf_test) @@ -3535,24 +4572,23 @@ do [cf_result=yes], [cf_result=no]) AC_MSG_RESULT($cf_result) + CF_RESTORE_XTRA_FLAGS([CF_X_ATHENA_CPPFLAGS]) if test "$cf_result" = yes ; then - cf_x_athena_inc=$cf_path + test "$cf_path" = default && cf_x_athena_inc=default + test "$cf_path" != default && cf_x_athena_inc="$cf_path/include" break - else - CPPFLAGS="$cf_save" fi fi done if test -z "$cf_x_athena_inc" ; then - AC_MSG_WARN( -[Unable to successfully find Athena header files with test program]) + AC_MSG_WARN([Unable to find Athena header files]) elif test "$cf_x_athena_inc" != default ; then - CPPFLAGS="$CPPFLAGS -I$cf_x_athena_inc" + CF_APPEND_TEXT(CPPFLAGS,-I$cf_x_athena_inc) fi ]) dnl --------------------------------------------------------------------------- -dnl CF_X_ATHENA_LIBS version: 12 updated: 2011/07/17 19:55:02 +dnl CF_X_ATHENA_LIBS version: 13 updated: 2020/01/11 18:16:10 dnl ---------------- dnl Normally invoked by CF_X_ATHENA, with $1 set to the appropriate flavor of dnl the Athena widgets, e.g., Xaw, Xaw3d, neXtaw. @@ -3577,29 +4613,26 @@ do "-l$cf_lib -lXpm -lXmu" \ "-l${cf_lib}_s -lXmu_s" do - if test -z "$cf_x_athena_lib" ; then - cf_save="$LIBS" - cf_test=XawSimpleMenuAddGlobalActions - if test $cf_path != default ; then - CF_ADD_LIBS(-L$cf_path/lib $cf_libs) - AC_MSG_CHECKING(for $cf_libs in $cf_path) - else - CF_ADD_LIBS($cf_libs) - AC_MSG_CHECKING(for $cf_test in $cf_libs) - fi - AC_TRY_LINK([ + test -n "$cf_x_athena_lib" && break + + CF_SAVE_XTRA_FLAGS([CF_X_ATHENA_LIBS]) + cf_test=XawSimpleMenuAddGlobalActions + test "$cf_path" != default && cf_libs="-L$cf_path/lib $cf_libs" + CF_ADD_LIBS($cf_libs) + AC_MSG_CHECKING(for $cf_test in $cf_libs) + AC_TRY_LINK([ #include #include ],[ $cf_test((XtAppContext) 0)], - [cf_result=yes], - [cf_result=no]) - AC_MSG_RESULT($cf_result) - if test "$cf_result" = yes ; then - cf_x_athena_lib="$cf_libs" - break - fi - LIBS="$cf_save" + [cf_result=yes], + [cf_result=no]) + AC_MSG_RESULT($cf_result) + CF_RESTORE_XTRA_FLAGS([CF_X_ATHENA_LIBS]) + + if test "$cf_result" = yes ; then + cf_x_athena_lib="$cf_libs" + break fi done # cf_libs test -n "$cf_x_athena_lib" && break @@ -3611,6 +4644,7 @@ if test -z "$cf_x_athena_lib" ; then [Unable to successfully link Athena library (-l$cf_x_athena_root) with test program]) fi +CF_ADD_LIBS($cf_x_athena_lib) CF_UPPER(cf_x_athena_LIBS,HAVE_LIB_$cf_x_athena) AC_DEFINE_UNQUOTED($cf_x_athena_LIBS) ]) @@ -3623,7 +4657,7 @@ CF_TRY_PKG_CONFIG(Xext,,[ [CF_ADD_LIB(Xext)])]) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_X_TOOLKIT version: 23 updated: 2015/04/12 15:39:00 +dnl CF_X_TOOLKIT version: 26 updated: 2021/01/02 09:31:20 dnl ------------ dnl Check for X Toolkit libraries AC_DEFUN([CF_X_TOOLKIT], @@ -3631,7 +4665,7 @@ AC_DEFUN([CF_X_TOOLKIT], AC_REQUIRE([AC_PATH_XTRA]) AC_REQUIRE([CF_CHECK_CACHE]) -# OSX is schizoid about who owns /usr/X11 (old) versus /opt/X11 (new), and (and +# OSX is schizoid about who owns /usr/X11 (old) versus /opt/X11 (new) (and # in some cases has installed dummy files in the former, other cases replaced # it with a link to the new location). This complicates the configure script. # Check for that pitfall, and recover using pkg-config @@ -3643,6 +4677,8 @@ then CF_TRY_PKG_CONFIG(ice,,[AC_MSG_WARN(unable to find ICE library)]) CF_TRY_PKG_CONFIG(sm,,[AC_MSG_WARN(unable to find SM library)]) CF_TRY_PKG_CONFIG(xt,,[AC_MSG_WARN(unable to find Xt library)]) +else + LIBS="$X_PRE_LIBS $LIBS $X_EXTRA_LIBS" fi cf_have_X_LIBS=no @@ -3675,7 +4711,7 @@ AC_TRY_LINK([ AC_CACHE_CHECK(for usable X Toolkit package,cf_cv_xt_ice_compat,[ AC_TRY_LINK([ #include -],[int num = IceConnectionNumber(0) +],[int num = IceConnectionNumber(0); (void) num ],[cf_cv_xt_ice_compat=yes],[cf_cv_xt_ice_compat=no])]) if test "$cf_cv_xt_ice_compat" = no @@ -3705,18 +4741,16 @@ AC_TRY_LINK([ AC_CHECK_FUNC(XOpenDisplay,,[ AC_CHECK_LIB(X11,XOpenDisplay, - [CF_ADD_LIB(X11)],, - [$X_PRE_LIBS $LIBS $X_EXTRA_LIBS])]) + [CF_ADD_LIB(X11)])]) AC_CHECK_FUNC(XtAppInitialize,,[ AC_CHECK_LIB(Xt, XtAppInitialize, [AC_DEFINE(HAVE_LIBXT,1,[Define to 1 if we can compile with the Xt library]) cf_have_X_LIBS=Xt - LIBS="-lXt $X_PRE_LIBS $LIBS $X_EXTRA_LIBS"],, - [$X_PRE_LIBS $LIBS $X_EXTRA_LIBS])]) + LIBS="-lXt $LIBS"])]) ]) -if test $cf_have_X_LIBS = no ; then +if test "$cf_have_X_LIBS" = no ; then AC_MSG_WARN( [Unable to successfully link X Toolkit library (-lXt) with test program. You will have to check and add the proper libraries by hand @@ -3724,6 +4758,24 @@ to makefile.]) fi ])dnl dnl --------------------------------------------------------------------------- +dnl CF__CURSES_DATA version: 3 updated: 2021/01/04 19:45:09 +dnl --------------- +dnl Attempt to make a copy of a curses data item. This is needed in the +dnl check-data configure tests when using ncurses, because the symbol may be +dnl actually a function return-value. That could happen if the linker is +dnl broken (does not resolve data-only references), or if ncurses is configured +dnl to support re-entrant code. +dnl $1 = target +dnl $2 = source +define([CF__CURSES_DATA],[ +#if defined($2) && ((defined(NCURSES_WRAPPED_VAR) && (NCURSES_VERSION_PATCH < 20200208)) || defined(NCURSES_BROKEN_LINKER) || defined(NCURSES_REENTRANT)) + const void *$1 = (const void *)($2); +#else + const void *$1 = &($2); +#endif + fprintf(stderr, "testing linkage of $2:%p\\n", (const void *)$1); +])dnl +dnl --------------------------------------------------------------------------- dnl CF__CURSES_HEAD version: 2 updated: 2010/10/23 15:54:49 dnl --------------- dnl Define a reusable chunk which includes and when they