X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=aclocal.m4;h=c2c3ca4ca509362169170e04aa1041738ff8c695;hp=df1aebbbd05d8f9a297ecb5dc791a6b80037935b;hb=8f4cd91a25f1569f73651062aaaf5fb969182eab;hpb=60cbc89987842cf6036aabced6618988b5117810

diff --git a/aclocal.m4 b/aclocal.m4
index df1aebbb..c2c3ca4c 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -29,7 +29,7 @@ dnl***************************************************************************
 dnl
 dnl Author: Thomas E. Dickey 1995-on
 dnl
-dnl $Id: aclocal.m4,v 1.977 2021/09/05 21:32:31 tom Exp $
+dnl $Id: aclocal.m4,v 1.992 2021/11/07 15:31:47 tom Exp $
 dnl Macros used in NCURSES auto-configuration script.
 dnl
 dnl These macros are maintained separately from NCURSES.  The copyright on
@@ -1347,6 +1347,37 @@ if test "$cf_cv_check_gpm_wgetch" != yes ; then
 fi
 ])])dnl
 dnl ---------------------------------------------------------------------------
+dnl CF_CHECK_LIBSSP version: 1 updated: 2021/10/30 10:40:19
+dnl ---------------
+dnl Check if libssp is needed, e.g., to work around misconfigured libraries
+dnl used in cross-compiling to MinGW.
+AC_DEFUN([CF_CHECK_LIBSSP],[
+AC_CACHE_CHECK(if ssp library is needed,cf_cv_need_libssp,[
+AC_TRY_LINK([
+#include <sys/types.h>
+#include <dirent.h>
+],[
+       DIR *dp = opendir(".");
+],cf_cv_need_libssp=no,[
+	cf_save_LIBS="$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$cf_cv_need_libssp" = xyes
+then
+	CF_ADD_LIB(ssp)
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
 dnl CF_CHECK_LIBTOOL_VERSION version: 2 updated: 2021/05/01 16:24:34
 dnl ------------------------
 dnl Show the version of libtool
@@ -2041,7 +2072,7 @@ fi
 AC_SUBST(BROKEN_LINKER)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_ENABLE_PC_FILES version: 13 updated: 2015/11/01 05:27:39
+dnl CF_ENABLE_PC_FILES version: 15 updated: 2021/10/25 19:21:54
 dnl ------------------
 dnl This is the "--enable-pc-files" option, which is available if there is a
 dnl pkg-config configuration on the local machine.
@@ -2066,7 +2097,7 @@ if test "x$enable_pc_files" != xno
 then
 	MAKE_PC_FILES=
 	case "x$PKG_CONFIG_LIBDIR" in
-	(xno|xyes)
+	(xno|xnone|xyes|x)
 		AC_MSG_WARN(no PKG_CONFIG_LIBDIR was found)
 		;;
 	(*)
@@ -6315,9 +6346,11 @@ case ".[$]$1" in
 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 $PKG_CONFIG to the pathname of the pkg-config program.
 AC_DEFUN([CF_PKG_CONFIG],
 [
 AC_MSG_CHECKING(if you want to use pkg-config)
@@ -9204,9 +9237,18 @@ if test "x$with_pcre2" != xno ; then
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_WITH_PKG_CONFIG_LIBDIR version: 11 updated: 2021/01/01 16:16:30
+dnl CF_WITH_PKG_CONFIG_LIBDIR version: 17 updated: 2021/11/07 10:30:15
 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.
 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
 
 case "$PKG_CONFIG" in
@@ -9218,67 +9260,93 @@ case "$PKG_CONFIG" in
 	;;
 esac
 
-PKG_CONFIG_LIBDIR=no
+cf_search_path=`echo "$PKG_CONFIG_LIBDIR" | sed -e 's/:/ /g' -e 's,^[[ 	]]*,,'`
 AC_ARG_WITH(pkg-config-libdir,
 	[  --with-pkg-config-libdir=XXX use given directory for installing pc-files],
-	[PKG_CONFIG_LIBDIR=$withval],
-	[test "x$PKG_CONFIG" != xnone && PKG_CONFIG_LIBDIR=yes])
+	[cf_search_path=$withval],
+	[test "x$PKG_CONFIG" != xnone && cf_search_path=yes])
 
-case x$PKG_CONFIG_LIBDIR in
+case x$cf_search_path in
 (x/*)
 	;;
 (xyes)
+	cf_search_path=
+	CF_VERBOSE(auto...)
 	# 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)
 
-	CF_VERBOSE(list...)
-	for cf_config in $cf_search_path
-	do
-		CF_VERBOSE(checking $cf_config/pkgconfig)
-		if test -d "$cf_config/pkgconfig"
-		then
-			PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
-			AC_MSG_CHECKING(done)
-			break
-		fi
-	done
 	;;
 (*)
 	;;
 esac
 
-if test "x$PKG_CONFIG_LIBDIR" != xno ; then
+AC_MSG_CHECKING(for first directory)
+cf_pkg_config_path=none
+for cf_config in $cf_search_path
+do
+	if test -d "$cf_config"
+	then
+		cf_pkg_config_path=$cf_config
+		break
+	fi
+done
+AC_MSG_RESULT($cf_pkg_config_path)
+
+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