dnl***************************************************************************
-dnl Copyright 2018-2020,2021 Thomas E. Dickey *
+dnl Copyright 2018-2022,2023 Thomas E. Dickey *
dnl Copyright 2010-2017,2018 Free Software Foundation, Inc. *
dnl *
dnl Permission is hereby granted, free of charge, to any person obtaining a *
dnl
dnl Author: Thomas E. Dickey
dnl
-dnl $Id: aclocal.m4,v 1.173 2021/03/23 00:37:21 tom Exp $
+dnl $Id: aclocal.m4,v 1.202 2023/04/15 20:02:10 tom Exp $
dnl Macros used in NCURSES Ada95 auto-configuration script.
dnl
dnl These macros are maintained separately from NCURSES. The copyright on
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_ADD_INCDIR version: 16 updated: 2020/12/31 20:19:42
+dnl CF_ADD_INCDIR version: 17 updated: 2021/09/04 06:35:04
dnl -------------
-dnl Add an include-directory to $CPPFLAGS. Don't add /usr/include, since it's
+dnl Add an include-directory to $CPPFLAGS. Don't add /usr/include, since it is
dnl redundant. We don't normally need to add -I/usr/local/include for gcc,
dnl but old versions (and some misinstalled ones) need that. To make things
dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
}
])dnl
dnl ---------------------------------------------------------------------------
+dnl CF_APPEND_CFLAGS version: 3 updated: 2021/09/05 17:25:40
+dnl ----------------
+dnl Use CF_ADD_CFLAGS after first checking for potential redefinitions.
+dnl $1 = flags to add
+dnl $2 = if given makes this macro verbose.
+define([CF_APPEND_CFLAGS],
+[
+for cf_add_cflags in $1
+do
+ case "x$cf_add_cflags" in
+ (x-[[DU]]*)
+ CF_REMOVE_CFLAGS($cf_add_cflags,CFLAGS,[$2])
+ CF_REMOVE_CFLAGS($cf_add_cflags,CPPFLAGS,[$2])
+ ;;
+ esac
+ CF_ADD_CFLAGS([$cf_add_cflags],[$2])
+done
+])dnl
+dnl ---------------------------------------------------------------------------
dnl CF_APPEND_TEXT version: 1 updated: 2017/02/25 18:58:55
dnl --------------
dnl use this macro for appending text without introducing an extra blank at
AC_SUBST(ARFLAGS)
])
dnl ---------------------------------------------------------------------------
-dnl CF_BUILD_CC version: 9 updated: 2021/01/02 09:31:20
+dnl CF_BUILD_CC version: 11 updated: 2022/12/04 15:40:08
dnl -----------
dnl If we're cross-compiling, allow the user to override the tools and their
dnl options. The configure script is oriented toward identifying the host
: ${BUILD_CC:='${CC}'}
- if { test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}'; } ; then
+ AC_MSG_CHECKING(if the build-compiler "$BUILD_CC" works)
+
+ cf_save_crossed=$cross_compiling
+ cf_save_ac_link=$ac_link
+ cross_compiling=no
+ cf_build_cppflags=$BUILD_CPPFLAGS
+ test "$cf_build_cppflags" = "#" && cf_build_cppflags=
+ ac_link='$BUILD_CC -o "conftest$ac_exeext" $BUILD_CFLAGS $cf_build_cppflags $BUILD_LDFLAGS "conftest.$ac_ext" $BUILD_LIBS >&AS_MESSAGE_LOG_FD'
+
+ AC_TRY_RUN([#include <stdio.h>
+ int main(int argc, char *argv[])
+ {
+ ${cf_cv_main_return:-return}(argc < 0 || argv == 0 || argv[0] == 0);
+ }
+ ],
+ cf_ok_build_cc=yes,
+ cf_ok_build_cc=no,
+ cf_ok_build_cc=unknown)
+
+ cross_compiling=$cf_save_crossed
+ ac_link=$cf_save_ac_link
+
+ AC_MSG_RESULT($cf_ok_build_cc)
+
+ if test "$cf_ok_build_cc" != yes
+ then
AC_MSG_ERROR([Cross-build requires two compilers.
Use --with-build-cc to specify the native compiler.])
fi
AC_SUBST(BUILD_OBJEXT)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_C11_NORETURN version: 2 updated: 2021/03/22 20:37:21
+dnl CF_C11_NORETURN version: 4 updated: 2023/02/18 17:41:25
dnl ---------------
AC_DEFUN([CF_C11_NORETURN],
[
if test $enable_stdnoreturn = yes; then
AC_CACHE_CHECK([for C11 _Noreturn feature], cf_cv_c11_noreturn,
[AC_TRY_COMPILE([
-#include <stdio.h>
-#include <stdlib.h>
+$ac_includes_default
#include <stdnoreturn.h>
-static void giveup(void) { exit(0); }
+static _Noreturn void giveup(void) { exit(0); }
],
[if (feof(stdin)) giveup()],
cf_cv_c11_noreturn=yes,
fi
if test "$cf_cv_c11_noreturn" = yes; then
- AC_DEFINE(HAVE_STDNORETURN_H, 1)
+ AC_DEFINE(HAVE_STDNORETURN_H, 1,[Define if <stdnoreturn.h> header is available and working])
AC_DEFINE_UNQUOTED(STDC_NORETURN,_Noreturn,[Define if C11 _Noreturn keyword is supported])
HAVE_STDNORETURN_H=1
else
fi
AC_SUBST(HAVE_STDNORETURN_H)
+AC_SUBST(STDC_NORETURN)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_CC_ENV_FLAGS version: 10 updated: 2020/12/31 18:40:20
+dnl CF_CC_ENV_FLAGS version: 11 updated: 2023/02/20 11:15:46
dnl ---------------
dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
dnl into CC. This will not help with broken scripts that wrap the compiler
AC_MSG_WARN(your environment uses the CC variable to hold CFLAGS/CPPFLAGS options)
# humor him...
cf_prog=`echo "$CC" | sed -e 's/ / /g' -e 's/[[ ]]* / /g' -e 's/[[ ]]*[[ ]]-[[^ ]].*//'`
- cf_flags=`echo "$CC" | ${AWK:-awk} -v prog="$cf_prog" '{ printf("%s", [substr]([$]0,1+length(prog))); }'`
+ cf_flags=`echo "$CC" | sed -e "s%^$cf_prog%%"`
CC="$cf_prog"
for cf_arg in $cf_flags
do
esac
])
dnl ---------------------------------------------------------------------------
-dnl CF_CLANG_COMPILER version: 8 updated: 2021/01/01 13:31:04
+dnl CF_CHECK_LIBSSP version: 1 updated: 2021/10/30 10:40:19
+dnl ---------------
+dnl Check if libssp is needed, e.g., to work around misconfigured libraries
+dnl used in cross-compiling to MinGW.
+AC_DEFUN([CF_CHECK_LIBSSP],[
+AC_CACHE_CHECK(if ssp library is needed,cf_cv_need_libssp,[
+AC_TRY_LINK([
+#include <sys/types.h>
+#include <dirent.h>
+],[
+ DIR *dp = opendir(".");
+],cf_cv_need_libssp=no,[
+ cf_save_LIBS="$LIBS"
+ LIBS="$LIBS -lssp"
+ AC_TRY_LINK([
+#include <sys/types.h>
+#include <dirent.h>
+ ],[
+ DIR *dp = opendir(".");
+ ],cf_cv_need_libssp=yes,
+ cf_cv_need_libssp=maybe)
+ LIBS="$cf_save_LIBS"
+])dnl
+])
+
+if test "x$cf_cv_need_libssp" = xyes
+then
+ CF_ADD_LIB(ssp)
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CLANG_COMPILER version: 9 updated: 2023/02/18 17:41:25
dnl -----------------
dnl Check if the given compiler is really clang. clang's C driver defines
dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
AC_TRY_COMPILE([],[
#ifdef __clang__
#else
-make an error
+#error __clang__ is not defined
#endif
],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
],[])
fi
])
dnl ---------------------------------------------------------------------------
-dnl CF_CONST_X_STRING version: 6 updated: 2021/01/01 13:31:04
+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.
#include <stdlib.h>
#include <X11/Intrinsic.h>
],
-[String foo = malloc(1); (void)foo],[
+[String foo = malloc(1); free((void*)foo)],[
AC_CACHE_CHECK(for X11/Xt const-feature,cf_cv_const_x_string,[
AC_TRY_COMPILE(
])
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_CONST_X_STRING version: 6 updated: 2021/01/01 13:31:04
+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.
#include <stdlib.h>
#include <X11/Intrinsic.h>
],
-[String foo = malloc(1); (void)foo],[
+[String foo = malloc(1); free((void*)foo)],[
AC_CACHE_CHECK(for X11/Xt const-feature,cf_cv_const_x_string,[
AC_TRY_COMPILE(
])
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_CURSES_HEADER version: 5 updated: 2015/04/23 20:35:30
+dnl CF_CURSES_HEADER version: 6 updated: 2022/12/02 20:06:52
dnl ----------------
dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
dnl variations of ncurses' installs.
curses.h ifelse($1,,,[$1/curses.h]) ifelse($1,,[ncurses/ncurses.h ncurses/curses.h])
do
AC_TRY_COMPILE([#include <${cf_header}>],
- [initscr(); tgoto("?", 0,0)],
+ [initscr(); endwin()],
[cf_cv_ncurses_header=$cf_header; break],[])
done
])
dnl "dirname" is not portable, so we fake it with a shell script.
AC_DEFUN([CF_DIRNAME],[$1=`echo "$2" | sed -e 's%/[[^/]]*$%%'`])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_DISABLE_ECHO version: 13 updated: 2015/04/18 08:56:57
+dnl CF_DISABLE_ECHO version: 14 updated: 2021/09/04 06:35:04
dnl ---------------
-dnl You can always use "make -n" to see the actual options, but it's hard to
+dnl You can always use "make -n" to see the actual options, but it is hard to
dnl pick out/analyze warning messages when the compile-line is long.
dnl
dnl Sets:
AC_MSG_RESULT($ADAFLAGS)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_FIX_WARNINGS version: 3 updated: 2020/12/31 18:40:20
+dnl CF_FIX_WARNINGS version: 4 updated: 2021/12/16 18:22:31
dnl ---------------
dnl Warning flags do not belong in CFLAGS, CPPFLAGS, etc. Any of gcc's
dnl "-Werror" flags can interfere with configure-checks. Those go into
then
case [$]$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=format*)
+ CF_APPEND_TEXT(cf_temp_flags,$cf_temp_scan)
+ ;;
(x-Werror=*)
CF_APPEND_TEXT(EXTRA_CFLAGS,$cf_temp_scan)
;;
;;
esac
done
- $1="$cf_temp_flags"
- CF_VERBOSE(... fixed [$]$1)
- CF_VERBOSE(... extra $EXTRA_CFLAGS)
+ if test "x[$]$1" != "x$cf_temp_flags"
+ then
+ CF_VERBOSE(repairing $1: [$]$1)
+ $1="$cf_temp_flags"
+ CF_VERBOSE(... fixed [$]$1)
+ CF_VERBOSE(... extra $EXTRA_CFLAGS)
+ fi
;;
esac
fi
AC_SUBST(EXTRA_CFLAGS)
])dnl
dnl ---------------------------------------------------------------------------
+dnl CF_FUNC_GETTIME version: 2 updated: 2023/02/25 08:45:56
+dnl ---------------
+dnl Check for gettimeofday or clock_gettime. In 2023, the former is still more
+dnl widely supported, but "deprecated" (2008), so we will use the latter if it
+dnl is available, to reduce compiler warnings.
+AC_DEFUN([CF_FUNC_GETTIME],[
+AC_CACHE_CHECK(for clock_gettime,cf_cv_func_clock_gettime,[
+ AC_TRY_LINK([#include <time.h>],
+ [struct timespec ts;
+ int rc = clock_gettime(CLOCK_REALTIME, &ts); (void) rc; (void)ts],
+ [cf_cv_func_clock_gettime=yes],
+ [cf_cv_func_clock_gettime=no])
+])
+
+if test "$cf_cv_func_clock_gettime" = yes
+then
+ AC_DEFINE(HAVE_CLOCK_GETTIME,1,[Define to 1 if we have clock_gettime function])
+else
+AC_CHECK_FUNC(gettimeofday,
+ AC_DEFINE(HAVE_GETTIMEOFDAY,1,[Define to 1 if we have gettimeofday function]),[
+
+AC_CHECK_LIB(bsd, gettimeofday,
+ AC_DEFINE(HAVE_GETTIMEOFDAY,1,[Define to 1 if we have gettimeofday function])
+ CF_ADD_LIB(bsd))])dnl CLIX: bzero, select, gettimeofday
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
dnl CF_GCC_ATTRIBUTES version: 24 updated: 2021/03/20 12:00:25
dnl -----------------
dnl Test for availability of useful gcc __attribute__ directives to quiet
AC_CHECKING([for $CC __attribute__ directives])
cat > "conftest.$ac_ext" <<EOF
#line __oline__ "${as_me:-configure}"
+#include <stdio.h>
#include "confdefs.h"
#include "conftest.h"
#include "conftest.i"
fi
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_GCC_VERSION version: 8 updated: 2019/09/07 13:38:36
+dnl CF_GCC_VERSION version: 9 updated: 2023/03/05 14:30:13
dnl --------------
dnl Find version of gcc, and (because icc/clang pretend to be gcc without being
dnl compatible), attempt to determine if icc/clang is actually used.
GCC_VERSION=none
if test "$GCC" = yes ; then
AC_MSG_CHECKING(version of $CC)
- GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
+ GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^[[^(]]*([[^)]][[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
test -z "$GCC_VERSION" && GCC_VERSION=unknown
AC_MSG_RESULT($GCC_VERSION)
fi
AC_SUBST(INSTALL_OPT_S)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_INTEL_COMPILER version: 8 updated: 2021/01/01 16:53:59
+dnl CF_INTEL_COMPILER version: 9 updated: 2023/02/18 17:41:25
dnl -----------------
dnl Check if the given compiler is really the Intel compiler for Linux. It
dnl tries to imitate gcc, but does not return an error when it finds a mismatch
AC_TRY_COMPILE([],[
#ifdef __INTEL_COMPILER
#else
-make an error
+#error __INTEL_COMPILER is not defined
#endif
],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
cf_save_CFLAGS="$cf_save_CFLAGS -we147"
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_MAKEFLAGS version: 20 updated: 2021/01/03 19:29:49
+dnl CF_MAKEFLAGS version: 21 updated: 2021/09/04 06:47:34
dnl ------------
dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
-dnl options to lower-levels. It's very useful for "make -n" -- if we have it.
+dnl options to lower-levels. It is very useful for "make -n" -- if we have it.
dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
AC_DEFUN([CF_MAKEFLAGS],
AC_SUBST(cf_cv_makeflags)
])dnl
dnl ---------------------------------------------------------------------------
+dnl CF_MAKE_PHONY version: 3 updated: 2021/01/08 16:08:21
+dnl -------------
+dnl Check if the make-program handles a ".PHONY" target, e.g,. a target which
+dnl acts as a placeholder.
+dnl
+dnl The ".PHONY" feature was proposed in 2011 here
+dnl https://www.austingroupbugs.net/view.php?id=523
+dnl and is scheduled for release in P1003.1 Issue 8 (late 2022).
+dnl
+dnl This is not supported by SVr4 make (or SunOS 4, 4.3SD, etc), but works with
+dnl a few others (i.e., GNU make and the non-POSIX "BSD" make):
+dnl
+dnl + This is a GNU make feature (since April 1988, but in turn from binutils,
+dnl date unspecified).
+dnl
+dnl + It was adopted in NetBSD make in June 1995.
+dnl
+dnl + The other BSD make programs are derived from the NetBSD make (and for
+dnl that reason are not actually different "implementations").
+dnl
+dnl + Some features of NetBSD make were actually adapted from pmake, which
+dnl began as a modified GNU make starting in 1993.
+dnl
+dnl + Version 3.8 of the dmake program in January 1992 also implemented this
+dnl GNU make extension, but is less well known than the BSD make.
+AC_DEFUN([CF_MAKE_PHONY],[
+AC_CACHE_CHECK(for \".PHONY\" make-support, cf_cv_make_PHONY,[
+ rm -rf conftest*
+ (
+ mkdir conftest || exit 1
+ cd conftest
+ cat >makefile <<'CF_EOF'
+.PHONY: always
+DATA=0
+always: always.out
+ @echo "** making [$]@ [$](DATA)"
+once: once.out
+ @echo "** making [$]@ [$](DATA)"
+always.out:
+ @echo "** making [$]@ [$](DATA)"
+ echo [$](DATA) > [$]@
+once.out:
+ @echo "** making [$]@ [$](DATA)"
+ echo [$](DATA) > [$]@
+CF_EOF
+ for cf_data in 1 2 3
+ do
+ ${MAKE:-make} always DATA=$cf_data
+ ${MAKE:-make} once DATA=$cf_data
+ ${MAKE:-make} -t always once
+ if test -f always ; then
+ echo "no (case 1)" > ../conftest.tmp
+ elif test ! -f always.out ; then
+ echo "no (case 2)" > ../conftest.tmp
+ elif test ! -f once.out ; then
+ echo "no (case 3)" > ../conftest.tmp
+ elif ! cmp -s always.out once.out ; then
+ echo "no (case 4)" > ../conftest.tmp
+ diff always.out once.out
+ else
+ cf_check="`cat always.out`"
+ if test "x$cf_check" != "x$cf_data" ; then
+ echo "no (case 5)" > ../conftest.tmp
+ else
+ echo yes > ../conftest.tmp
+ rm -f ./*.out
+ continue
+ fi
+ fi
+ break
+ done
+ ) >&AC_FD_CC 2>&1
+ cf_cv_make_PHONY="`cat conftest.tmp`"
+ rm -rf conftest*
+])
+MAKE_NO_PHONY="#"
+MAKE_PHONY="#"
+test "x$cf_cv_make_PHONY" = xyes && MAKE_PHONY=
+test "x$cf_cv_make_PHONY" != xyes && MAKE_NO_PHONY=
+AC_SUBST(MAKE_NO_PHONY)
+AC_SUBST(MAKE_PHONY)
+])dnl
+dnl ---------------------------------------------------------------------------
dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
dnl ------------
dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have
test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_MKSTEMP version: 11 updated: 2021/01/01 13:31:04
+dnl CF_MKSTEMP version: 12 updated: 2023/01/05 17:53:11
dnl ----------
dnl Check for a working mkstemp. This creates two files, checks that they are
dnl successfully created and distinct (AmigaOS apparently fails on the last).
AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
rm -rf ./conftest*
AC_TRY_RUN([
-#include <sys/types.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <sys/stat.h>
+$ac_includes_default
+
int main(void)
{
char *tmpl = "conftestXXXXXX";
])
dnl ---------------------------------------------------------------------------
-dnl CF_NCURSES_CC_CHECK version: 5 updated: 2020/12/31 20:19:42
+dnl CF_NCURSES_CC_CHECK version: 6 updated: 2023/02/18 17:47:58
dnl -------------------
dnl Check if we can compile with ncurses' header file
dnl $1 is the cache variable to set
#ifdef NCURSES_VERSION
]ifelse($3,ncursesw,[
#ifndef WACS_BSSB
- make an error
+ #error WACS_BSSB is not defined
#endif
])[
printf("%s\\n", NCURSES_VERSION);
#ifdef __NCURSES_H
printf("old\\n");
#else
- make an error
+ #error __NCURSES_H is not defined
#endif
#endif
]
,[$1=no])
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_NCURSES_CONFIG version: 26 updated: 2021/01/03 08:05:37
+dnl CF_NCURSES_CONFIG version: 28 updated: 2021/08/28 15:20:37
dnl -----------------
dnl Tie together the configure-script macros for ncurses, preferring these in
dnl order:
[initscr(); mousemask(0,0); tigetstr((char *)0);],
[AC_TRY_RUN([#include <${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_test_ncuconfig=yes],
[cf_test_ncuconfig=no],
[cf_test_ncuconfig=maybe])],
;;
esac
- CF_ADD_CFLAGS($cf_pkg_cflags)
+ CF_APPEND_CFLAGS($cf_pkg_cflags)
CF_ADD_LIBS($cf_pkg_libs)
AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
[initscr(); mousemask(0,0); tigetstr((char *)0);],
[AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}>
int main(void)
- { char *xx = curses_version(); return (xx == 0); }],
+ { const char *xx = curses_version(); return (xx == 0); }],
[cf_have_ncuconfig=yes],
[cf_have_ncuconfig=no],
[cf_have_ncuconfig=maybe])],
if test "$NCURSES_CONFIG" != none ; then
- CF_ADD_CFLAGS(`$NCURSES_CONFIG --cflags`)
+ CF_APPEND_CFLAGS(`$NCURSES_CONFIG --cflags`)
CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
# even with config script, some packages use no-override for curses.h
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_NCURSES_LIBS version: 20 updated: 2021/01/03 08:05:37
+dnl CF_NCURSES_LIBS version: 21 updated: 2021/09/04 06:37:12
dnl ---------------
dnl Look for the ncurses library. This is a little complicated on Linux,
dnl because it may be linked with the gpm (general purpose mouse) library.
case "$host_os" in
(freebsd*)
# This is only necessary if you are linking against an obsolete
- # version of ncurses (but it should do no harm, since it's static).
+ # version of ncurses (but it should do no harm, since it is static).
if test "$cf_nculib_root" = ncurses ; then
AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
fi
AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_NCURSES_VERSION version: 16 updated: 2020/12/31 20:19:42
+dnl CF_NCURSES_VERSION version: 17 updated: 2023/01/05 18:54:02
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
cf_tempfile=out$$
rm -f "$cf_tempfile"
AC_TRY_RUN([
+$ac_includes_default
+
#include <${cf_cv_ncurses_header:-curses.h}>
-#include <stdio.h>
+
int main(void)
{
FILE *fp = fopen("$cf_tempfile", "w");
esac
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_PKG_CONFIG version: 11 updated: 2021/01/01 13:31:04
+dnl CF_PKG_CONFIG version: 12 updated: 2021/10/10 20:18:09
dnl -------------
dnl Check for the package-config program, unless disabled by command-line.
+dnl
+dnl Sets $PKG_CONFIG to the pathname of the pkg-config program.
AC_DEFUN([CF_PKG_CONFIG],
[
AC_MSG_CHECKING(if you want to use pkg-config)
AC_SUBST(PKG_CONFIG)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_POSIX_C_SOURCE version: 11 updated: 2018/12/31 20:46:17
+dnl CF_POSIX_C_SOURCE version: 12 updated: 2023/02/18 17:41:25
dnl -----------------
dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
dnl
CF_MSG_LOG(if the symbol is already defined go no further)
AC_TRY_COMPILE([#include <sys/types.h>],[
#ifndef _POSIX_C_SOURCE
-make an error
+#error _POSIX_C_SOURCE is not defined
#endif],
[cf_cv_posix_c_source=no],
[cf_want_posix_source=no
if test "$cf_want_posix_source" = yes ; then
AC_TRY_COMPILE([#include <sys/types.h>],[
#ifdef _POSIX_SOURCE
-make an error
+#error _POSIX_SOURCE is defined
#endif],[],
cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
fi
CF_MSG_LOG(if the second compile does not leave our definition intact error)
AC_TRY_COMPILE([#include <sys/types.h>],[
#ifndef _POSIX_C_SOURCE
-make an error
+#error _POSIX_C_SOURCE is not defined
#endif],,
[cf_cv_posix_c_source=no])
CFLAGS="$cf_save_CFLAGS"
test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
])dnl
dnl ---------------------------------------------------------------------------
+dnl CF_REMOVE_CFLAGS version: 3 updated: 2021/09/05 17:25:40
+dnl ----------------
+dnl Remove a given option from CFLAGS/CPPFLAGS
+dnl $1 = option to remove
+dnl $2 = variable to update
+dnl $3 = nonempty to allow verbose message
+define([CF_REMOVE_CFLAGS],
+[
+cf_tmp_cflag=`echo "x$1" | sed -e 's/^.//' -e 's/=.*//'`
+while true
+do
+ cf_old_cflag=`echo "x[$]$2" | sed -e 's/^.//' -e 's/[[ ]][[ ]]*-/ -/g' -e "s%$cf_tmp_cflag\\(=[[^ ]][[^ ]]*\\)\?%%" -e 's/^[[ ]]*//' -e 's%[[ ]][[ ]]*-D% -D%g' -e 's%[[ ]][[ ]]*-I% -I%g'`
+ test "[$]$2" != "$cf_old_cflag" || break
+ ifelse([$3],,,[CF_VERBOSE(removing old option $1 from $2)])
+ $2="$cf_old_cflag"
+done
+])dnl
+dnl ---------------------------------------------------------------------------
dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
dnl ----------------
dnl Remove all -U and -D options that refer to the given symbol from a list
done
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_SHARED_OPTS version: 105 updated: 2021/01/02 17:09:14
+dnl CF_SHARED_OPTS version: 107 updated: 2021/09/04 06:47:34
dnl --------------
dnl --------------
dnl Attempt to determine the appropriate CC/LD options for creating a shared
dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
dnl (ex: libncurses.so.<ver>).
dnl
-dnl Some loaders leave 'so_locations' lying around. It's nice to clean up.
+dnl Some loaders leave 'so_locations' lying around. It is nice to clean up.
AC_DEFUN([CF_SHARED_OPTS],
[
AC_REQUIRE([CF_LD_RPATH_OPT])
LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
fi
;;
+ (haiku*)
+ CF_SHARED_SONAME
+ MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
+ ;;
(hpux[[7-8]]*)
# HP-UX 8.07 ld lacks "+b" option used for libdir search-list
if test "$GCC" != yes; then
AC_SUBST(top_builddir)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_TRY_XOPEN_SOURCE version: 2 updated: 2018/06/20 20:23:13
+dnl CF_TRY_XOPEN_SOURCE version: 4 updated: 2022/09/10 15:16:16
dnl -------------------
dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
dnl can define it successfully.
AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
- AC_TRY_COMPILE([
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-],[
-#ifndef _XOPEN_SOURCE
-make an error
-#endif],
+ AC_TRY_COMPILE(CF__XOPEN_SOURCE_HEAD,CF__XOPEN_SOURCE_BODY,
[cf_cv_xopen_source=no],
[cf_save="$CPPFLAGS"
CF_APPEND_TEXT(CPPFLAGS,-D_XOPEN_SOURCE=$cf_XOPEN_SOURCE)
- AC_TRY_COMPILE([
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-],[
-#ifdef _XOPEN_SOURCE
-make an error
-#endif],
- [cf_cv_xopen_source=no],
- [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
- CPPFLAGS="$cf_save"
+ AC_TRY_COMPILE(CF__XOPEN_SOURCE_HEAD,CF__XOPEN_SOURCE_BODY,
+ [cf_cv_xopen_source=no],
+ [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
+ CPPFLAGS="$cf_save"
])
])
CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
- CF_ADD_CFLAGS($cf_temp_xopen_source)
+ CF_APPEND_CFLAGS($cf_temp_xopen_source)
fi
])
dnl ---------------------------------------------------------------------------
$1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
+dnl CF_UTF8_LIB version: 10 updated: 2023/01/11 04:05:23
dnl -----------
dnl Check for multibyte support, and if not found, utf8 compatibility library
AC_DEFUN([CF_UTF8_LIB],
[
+AC_HAVE_HEADERS(wchar.h)
AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
cf_save_LIBS="$LIBS"
AC_TRY_LINK([
-#include <stdlib.h>],[putwc(0,0);],
+$ac_includes_default
+#ifdef HAVE_WCHAR_H
+#include <wchar.h>
+#endif
+],[putwc(0,0);],
[cf_cv_utf8_lib=yes],
[CF_FIND_LINKAGE([
#include <libutf8.h>],[putwc(0,0);],utf8,
fi
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19
+dnl CF_WITH_PATH version: 12 updated: 2021/09/04 06:35:04
dnl ------------
dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
dnl defaulting to yes/no.
dnl $2 = help-text
dnl $3 = environment variable to set
dnl $4 = default value, shown in the help-message, must be a constant
-dnl $5 = default value, if it's an expression & cannot be in the help-message
+dnl $5 = default value, if it is an expression & cannot be in the help-message
dnl
AC_DEFUN([CF_WITH_PATH],
[AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
AC_SUBST($3)dnl
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_WITH_PKG_CONFIG_LIBDIR version: 11 updated: 2021/01/01 16:16:30
+dnl CF_WITH_PKG_CONFIG_LIBDIR version: 21 updated: 2023/01/22 13:37:42
dnl -------------------------
dnl Allow the choice of the pkg-config library directory to be overridden.
+dnl
+dnl pkg-config uses a search-list built from these colon-separated lists of
+dnl directories:
+dnl a) $PKG_CONFIG_PATH (tested first, added if set)
+dnl b) $PKG_CONFIG_LIBDIR (tested second, added if set)
+dnl c) builtin-list (added if $PKG_CONFIG_LIBDIR is not set)
+dnl
+dnl pkgconf (used with some systems such as FreeBSD in place of pkg-config)
+dnl optionally ignores $PKG_CONFIG_LIBDIR. Very old versions of pkg-config,
+dnl e.g., Solaris 10 also do not recognize $PKG_CONFIG_LIBDIR.
AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
case "$PKG_CONFIG" in
;;
esac
-PKG_CONFIG_LIBDIR=no
+# if $PKG_CONFIG_LIBDIR is set, try to use that
+if test -n "$PKG_CONFIG_PATH"; then
+ cf_search_path=`echo "$PKG_CONFIG_PATH" | sed -e 's/:/ /g' -e 's,^[[ ]]*,,' -e 's,[[ ]]*$,,'`
+elif test -n "$PKG_CONFIG_LIBDIR"; then
+ cf_search_path=`echo "$PKG_CONFIG_LIBDIR" | sed -e 's/:/ /g' -e 's,^[[ ]]*,,' -e 's,[[ ]]*$,,'`
+else
+ cf_search_path=auto
+fi
+
+# if the option is used, let that override. otherwise default to "libdir"
AC_ARG_WITH(pkg-config-libdir,
[ --with-pkg-config-libdir=XXX use given directory for installing pc-files],
- [PKG_CONFIG_LIBDIR=$withval],
- [test "x$PKG_CONFIG" != xnone && PKG_CONFIG_LIBDIR=yes])
+ [cf_search_path=$withval],
+ [test "x$PKG_CONFIG" != xnone && test -z "$cf_search_path" && cf_search_path=libdir])
-case x$PKG_CONFIG_LIBDIR in
+case "x$cf_search_path" in
+(xlibdir)
+ PKG_CONFIG_LIBDIR='${libdir}/pkgconfig'
+ AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
+ cf_search_path=
+ ;;
+(x)
+ ;;
+(x/*\ *)
+ PKG_CONFIG_LIBDIR=
+ ;;
(x/*)
+ PKG_CONFIG_LIBDIR="$cf_search_path"
+ AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
+ cf_search_path=
;;
-(xyes)
+(xyes|xauto)
+ AC_MSG_RESULT(auto)
+ cf_search_path=
# Look for the library directory using the same prefix as the executable
- if test "x$PKG_CONFIG" = xnone
+ AC_MSG_CHECKING(for search-list)
+ if test "x$PKG_CONFIG" != xnone
then
- cf_path=$prefix
- else
- cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
+ # works for pkg-config since version 0.24 (2009)
+ # works for pkgconf since version 0.8.3 (2012)
+ for cf_pkg_program in \
+ `echo "$PKG_CONFIG" | sed -e 's,^.*/,,'` \
+ pkg-config \
+ pkgconf
+ do
+ cf_search_path=`"$PKG_CONFIG" --variable=pc_path "$cf_pkg_program" 2>/dev/null | tr : ' '`
+ test -n "$cf_search_path" && break
+ done
+
+ # works for pkg-config since import in 2005 of original 2001 HP code.
+ test -z "$cf_search_path" && \
+ cf_search_path=`
+ "$PKG_CONFIG" --debug --exists no-such-package 2>&1 | $AWK "\
+/^Scanning directory (#[1-9][0-9]* )?'.*'$/{ \
+ sub(\"^[[^']]*'\",\"\"); \
+ sub(\"'.*\",\"\"); \
+ printf \" %s\", \\[$]0; } \
+{ next; } \
+"`
fi
- # If you don't like using the default architecture, you have to specify the
- # intended library directory and corresponding compiler/linker options.
- #
- # This case allows for Debian's 2014-flavor of multiarch, along with the
- # most common variations before that point. Some other variants spell the
- # directory differently, e.g., "pkg-config", and put it in unusual places.
- # pkg-config has always been poorly standardized, which is ironic...
- case x`(arch) 2>/dev/null` in
- (*64)
- cf_search_path="\
- $cf_path/lib/*64-linux-gnu \
- $cf_path/share \
- $cf_path/lib64 \
- $cf_path/lib32 \
- $cf_path/lib"
- ;;
- (*)
- cf_search_path="\
- $cf_path/lib/*-linux-gnu \
- $cf_path/share \
- $cf_path/lib32 \
- $cf_path/lib \
- $cf_path/libdata"
- ;;
- esac
+ AC_MSG_RESULT($cf_search_path)
+ ;;
+(*)
+ AC_MSG_ERROR(Unexpected option value: $cf_search_path)
+ ;;
+esac
- CF_VERBOSE(list...)
+if test -n "$cf_search_path"
+then
+ AC_MSG_CHECKING(for first directory)
+ cf_pkg_config_path=none
for cf_config in $cf_search_path
do
- CF_VERBOSE(checking $cf_config/pkgconfig)
- if test -d "$cf_config/pkgconfig"
+ if test -d "$cf_config"
then
- PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
- AC_MSG_CHECKING(done)
+ cf_pkg_config_path=$cf_config
break
fi
done
- ;;
-(*)
- ;;
-esac
+ AC_MSG_RESULT($cf_pkg_config_path)
-if test "x$PKG_CONFIG_LIBDIR" != xno ; then
- AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
+ if test "x$cf_pkg_config_path" != xnone ; then
+ # limit this to the first directory found
+ PKG_CONFIG_LIBDIR="$cf_pkg_config_path"
+ fi
+
+ if test -z "$PKG_CONFIG_LIBDIR" && test -n "$cf_search_path"
+ then
+ AC_MSG_CHECKING(for workaround)
+ if test "$prefix" = "NONE" ; then
+ cf_prefix="$ac_default_prefix"
+ else
+ cf_prefix="$prefix"
+ fi
+ eval cf_libdir=$libdir
+ cf_libdir=`echo "$cf_libdir" | sed -e "s,^NONE,$cf_prefix,"`
+ cf_backup=
+ for cf_config in $cf_search_path
+ do
+ case $cf_config in
+ $cf_libdir/pkgconfig)
+ PKG_CONFIG_LIBDIR=$cf_libdir/pkgconfig
+ break
+ ;;
+ *)
+ test -z "$cf_backup" && cf_backup=$cf_config
+ ;;
+ esac
+ done
+ test -z "$PKG_CONFIG_LIBDIR" && PKG_CONFIG_LIBDIR=$cf_backup
+ AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
+ fi
fi
AC_SUBST(PKG_CONFIG_LIBDIR)
])
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_XOPEN_SOURCE version: 57 updated: 2021/01/01 16:53:59
+dnl CF_XOPEN_SOURCE version: 66 updated: 2023/04/03 04:19:37
dnl ---------------
dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
dnl or adapt to the vendor's definitions to get equivalent functionality,
dnl Parameters:
dnl $1 is the nominal value for _XOPEN_SOURCE
dnl $2 is the nominal value for _POSIX_C_SOURCE
+dnl
+dnl The default case prefers _XOPEN_SOURCE over _POSIX_C_SOURCE if the
+dnl implementation predefines it, because X/Open and most implementations agree
+dnl that the latter is a legacy or "aligned" value.
+dnl
+dnl Because _XOPEN_SOURCE is preferred, if defining _POSIX_C_SOURCE turns
+dnl that off, then refrain from setting _POSIX_C_SOURCE explicitly.
+dnl
+dnl References:
+dnl https://pubs.opengroup.org/onlinepubs/007904975/functions/xsh_chap02_02.html
+dnl https://docs.oracle.com/cd/E19253-01/816-5175/standards-5/index.html
+dnl https://www.gnu.org/software/libc/manual/html_node/Feature-Test-Macros.html
AC_DEFUN([CF_XOPEN_SOURCE],[
AC_REQUIRE([AC_CANONICAL_HOST])
AC_REQUIRE([CF_POSIX_VISIBLE])
(aix[[4-7]]*)
cf_xopen_source="-D_ALL_SOURCE"
;;
-(msys)
- cf_XOPEN_SOURCE=600
- ;;
(darwin[[0-8]].*)
cf_xopen_source="-D_APPLE_C_SOURCE"
;;
cf_xopen_source="-D_SGI_SOURCE"
cf_XOPEN_SOURCE=
;;
-(linux*|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin)
+(linux*gnu|linux*gnuabi64|linux*gnuabin32|linux*gnueabi|linux*gnueabihf|linux*gnux32|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin|msys|mingw*)
CF_GNU_SOURCE($cf_XOPEN_SOURCE)
;;
(minix*)
(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
;;
(*)
CF_TRY_XOPEN_SOURCE
+ cf_save_xopen_cppflags="$CPPFLAGS"
CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
+ # Some of these niche implementations use copy/paste, double-check...
+ if test "$cf_cv_xopen_source" = no ; then
+ CF_VERBOSE(checking if _POSIX_C_SOURCE interferes with _XOPEN_SOURCE)
+ AC_TRY_COMPILE(CF__XOPEN_SOURCE_HEAD,CF__XOPEN_SOURCE_BODY,,[
+ AC_MSG_WARN(_POSIX_C_SOURCE definition is not usable)
+ CPPFLAGS="$cf_save_xopen_cppflags"])
+ fi
;;
esac
if test -n "$cf_xopen_source" ; then
- CF_ADD_CFLAGS($cf_xopen_source,true)
+ CF_APPEND_CFLAGS($cf_xopen_source,true)
fi
dnl In anything but the default case, we may have system-specific setting
AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
AC_TRY_COMPILE([#include <stdlib.h>],[
#ifndef _XOPEN_SOURCE
-make an error
+#error _XOPEN_SOURCE is not defined
#endif],
[cf_XOPEN_SOURCE_set=yes],
[cf_XOPEN_SOURCE_set=no])
then
AC_TRY_COMPILE([#include <stdlib.h>],[
#if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
-make an error
+#error (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
#endif],
[cf_XOPEN_SOURCE_set_ok=yes],
[cf_XOPEN_SOURCE_set_ok=no])
dnl Trim something using sed, then trim extra whitespace
dnl $1 = extra parameters, e.g., in CF_STRIP_G_OPT
define([CF__SED_TRIMBLANKS],[sed ifelse($1,,,[$1] )-e 's%[[ ]]% %g' -e 's% [[ ]]*% %g' -e 's%^ %%' -e 's% [$]%%'])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF__XOPEN_SOURCE_BODY version: 2 updated: 2023/02/18 17:41:25
+dnl ---------------------
+dnl body of test when test-compiling for _XOPEN_SOURCE check
+define([CF__XOPEN_SOURCE_BODY],
+[
+#ifndef _XOPEN_SOURCE
+#error _XOPEN_SOURCE is not defined
+#endif
+])
+dnl ---------------------------------------------------------------------------
+dnl CF__XOPEN_SOURCE_HEAD version: 2 updated: 2023/02/18 17:41:25
+dnl ---------------------
+dnl headers to include when test-compiling for _XOPEN_SOURCE check
+define([CF__XOPEN_SOURCE_HEAD],
+[
+$ac_includes_default
+])