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aclocal.m4
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dnl $LynxId: aclocal.m4,v 1.351 2024/12/21 13:44:12 tom Exp $
dnl Macros for auto-configure script.
dnl by Thomas E. Dickey <[email protected]>
dnl and Jim Spath <[email protected]>
dnl and Philippe De Muyter <[email protected]>
dnl
dnl Created: 1997/01/28
dnl
dnl The autoconf used in Lynx development is GNU autoconf 2.13 or 2.52, patched
dnl by Thomas Dickey. See your local GNU archives, and this URL:
dnl https://invisible-island.net/autoconf/autoconf.html
dnl
dnl ---------------------------------------------------------------------------
dnl
dnl Copyright 1997-2023,2024 by Thomas E. Dickey
dnl
dnl Permission to use, copy, modify, and distribute this software and its
dnl documentation for any purpose and without fee is hereby granted,
dnl provided that the above copyright notice appear in all copies and that
dnl both that copyright notice and this permission notice appear in
dnl supporting documentation, and that the name of the above listed
dnl copyright holder(s) not be used in advertising or publicity pertaining
dnl to distribution of the software without specific, written prior
dnl permission.
dnl
dnl THE ABOVE LISTED COPYRIGHT HOLDER(S) DISCLAIM ALL WARRANTIES WITH REGARD
dnl TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
dnl AND FITNESS, IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE
dnl LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
dnl WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
dnl ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
dnl OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
dnl
dnl ---------------------------------------------------------------------------
dnl A few macros (the AM_xxx ones) are originally from gettext 0.10.35 (but
dnl are modified), and are part of this file due to mechanical limitations of
dnl autoconf.
dnl ---------------------------------------------------------------------------
dnl See
dnl https://invisible-island.net/autoconf/autoconf.html
dnl https://invisible-island.net/autoconf/my-autoconf.html
dnl ---------------------------------------------------------------------------
dnl ---------------------------------------------------------------------------
dnl AM_GNU_GETTEXT version: 16 updated: 2024/03/17 19:34:20
dnl --------------
dnl Usage: Just like AM_WITH_NLS, which see.
AC_DEFUN([AM_GNU_GETTEXT],
[
AM_ICONV
AM_LANGINFO_CODESET
AM_LC_MESSAGES
AM_WITH_NLS([$1],[$2],[$3],[$4])
if test "$USE_NLS" = "yes"; then
if test "x$ALL_LINGUAS" = "x"; then
LINGUAS=
else
AC_MSG_CHECKING(for catalogs to be installed)
NEW_LINGUAS=
for presentlang in $ALL_LINGUAS; do
useit=no
for desiredlang in ${LINGUAS-$ALL_LINGUAS}; do
# Use the presentlang catalog if desiredlang is
# a. equal to presentlang, or
# b. a variant of presentlang (because in this case,
# presentlang can be used as a fallback for messages
# which are not translated in the desiredlang catalog).
case "$desiredlang" in
("$presentlang"*) useit=yes;;
esac
done
if test "$useit" = yes; then
NEW_LINGUAS="$NEW_LINGUAS $presentlang"
fi
done
LINGUAS=$NEW_LINGUAS
AC_MSG_RESULT($LINGUAS)
fi
dnl Construct list of names of catalog files to be constructed.
if test -n "$LINGUAS"; then
for lang in $LINGUAS; do CATALOGS="$CATALOGS $lang$CATOBJEXT"; done
fi
else
CATALOGS=
fi
])dnl
dnl ---------------------------------------------------------------------------
dnl AM_ICONV version: 13 updated: 2024/10/16 03:56:13
dnl --------
dnl Inserted as requested by gettext 0.10.40
dnl File from /usr/share/aclocal
dnl iconv.m4
dnl ====================
dnl serial AM2
dnl
dnl From Bruno Haible.
dnl
dnl ====================
dnl Modified to use CF_FIND_LINKAGE and CF_ADD_SEARCHPATH, to broaden the
dnl range of locations searched. Retain the same cache-variable naming to
dnl allow reuse with the other gettext macros -Thomas E Dickey
AC_DEFUN([AM_ICONV],
[
dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
dnl those with the standalone portable GNU libiconv installed).
AC_ARG_WITH([libiconv-prefix],
[ --with-libiconv-prefix=DIR
search for libiconv in DIR/include and DIR/lib], [
CF_ADD_OPTIONAL_PATH($withval, libiconv)
])
AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [
CF_FIND_LINKAGE(CF__ICONV_HEAD,
CF__ICONV_BODY,
iconv,
am_cv_func_iconv=yes,
am_cv_func_iconv=["no, consider installing GNU libiconv"])])
if test "$am_cv_func_iconv" = yes; then
AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
AC_CACHE_CHECK([if the declaration of iconv() needs const.],
am_cv_proto_iconv_const,[
AC_TRY_COMPILE(CF__ICONV_HEAD [
extern
#ifdef __cplusplus
"C"
#endif
#if defined(__STDC__) || defined(__cplusplus)
size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
#else
size_t iconv();
#endif
],[], am_cv_proto_iconv_const=no,
am_cv_proto_iconv_const=yes)])
if test "$am_cv_proto_iconv_const" = yes ; then
am_cv_proto_iconv_arg1="const"
else
am_cv_proto_iconv_arg1="/* nothing */"
fi
AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
[Define as const if the declaration of iconv() needs const.])
fi
LIBICONV=
if test "$cf_cv_find_linkage_iconv" = yes; then
CF_ADD_INCDIR($cf_cv_header_path_iconv)
if test -n "$cf_cv_library_file_iconv" ; then
LIBICONV="-liconv"
CF_ADD_LIBDIR($cf_cv_library_path_iconv)
fi
fi
AC_SUBST(LIBICONV)
])dnl
dnl ---------------------------------------------------------------------------
dnl AM_LANGINFO_CODESET version: 7 updated: 2023/01/11 04:05:23
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([
$ac_includes_default
#include <langinfo.h>],
[char* cs = nl_langinfo(CODESET); (void)cs],
am_cv_langinfo_codeset=yes,
am_cv_langinfo_codeset=no)
])
if test "$am_cv_langinfo_codeset" = yes; then
AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
[Define if you have <langinfo.h> and nl_langinfo(CODESET).])
fi
])dnl
dnl ---------------------------------------------------------------------------
dnl AM_LC_MESSAGES version: 6 updated: 2021/01/02 09:31:20
dnl --------------
dnl Inserted as requested by gettext 0.10.40
dnl File from /usr/share/aclocal
dnl lcmessage.m4
dnl ====================
dnl Check whether LC_MESSAGES is available in <locale.h>.
dnl Ulrich Drepper <[email protected]>, 1995.
dnl
dnl This file can be copied and used freely without restrictions. It can
dnl be used in projects which are not available under the GNU General Public
dnl License or the GNU Library General Public License but which still want
dnl to provide support for the GNU gettext functionality.
dnl Please note that the actual code of the GNU gettext library is covered
dnl by the GNU Library General Public License, and the rest of the GNU
dnl gettext package package is covered by the GNU General Public License.
dnl They are *not* in the public domain.
dnl
dnl serial 2
dnl
AC_DEFUN([AM_LC_MESSAGES],
[if test "$ac_cv_header_locale_h" = yes; then
AC_CACHE_CHECK([for LC_MESSAGES], am_cv_val_LC_MESSAGES,
[AC_TRY_LINK([#include <locale.h>], [return LC_MESSAGES],
am_cv_val_LC_MESSAGES=yes, am_cv_val_LC_MESSAGES=no)])
if test "$am_cv_val_LC_MESSAGES" = yes; then
AC_DEFINE(HAVE_LC_MESSAGES, 1,
[Define if your <locale.h> file defines LC_MESSAGES.])
fi
fi])dnl
dnl ---------------------------------------------------------------------------
dnl AM_PATH_PROG_WITH_TEST version: 10 updated: 2021/01/02 09:31:20
dnl ----------------------
dnl Inserted as requested by gettext 0.10.40
dnl File from /usr/share/aclocal
dnl progtest.m4
dnl ====================
dnl Search path for a program which passes the given test.
dnl Ulrich Drepper <[email protected]>, 1996.
dnl
dnl This file can be copied and used freely without restrictions. It can
dnl be used in projects which are not available under the GNU General Public
dnl License or the GNU Library General Public License but which still want
dnl to provide support for the GNU gettext functionality.
dnl Please note that the actual code of the GNU gettext library is covered
dnl by the GNU Library General Public License, and the rest of the GNU
dnl gettext package package is covered by the GNU General Public License.
dnl They are *not* in the public domain.
dnl
dnl serial 2
dnl
dnl AM_PATH_PROG_WITH_TEST(VARIABLE, PROG-TO-CHECK-FOR,
dnl TEST-PERFORMED-ON-FOUND_PROGRAM [, VALUE-IF-NOT-FOUND [, PATH]])
AC_DEFUN([AM_PATH_PROG_WITH_TEST],
[# Extract the first word of "$2", so it can be a program name with args.
AC_REQUIRE([CF_PATHSEP])
set dummy $2; ac_word=[$]2
AC_MSG_CHECKING([for $ac_word])
AC_CACHE_VAL(ac_cv_path_$1,
[case "[$]$1" in
([[\\/]*|?:[\\/]]*)
ac_cv_path_$1="[$]$1" # Let the user override the test with a path.
;;
(*)
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
for ac_dir in ifelse([$5], , $PATH, [$5]); do
test -z "$ac_dir" && ac_dir=.
if test -f "$ac_dir/$ac_word$ac_exeext" ; then
if [$3]; then
ac_cv_path_$1="$ac_dir/$ac_word$ac_exeext"
break
fi
fi
done
IFS="$ac_save_ifs"
dnl If no 4th arg is given, leave the cache variable unset,
dnl so AC_PATH_PROGS will keep looking.
ifelse([$4], , , [ test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4"
])dnl
;;
esac])dnl
$1="$ac_cv_path_$1"
if test ifelse([$4], , [-n "[$]$1"], ["[$]$1" != "$4"]); then
AC_MSG_RESULT([$]$1)
else
AC_MSG_RESULT(no)
fi
AC_SUBST($1)dnl
])dnl
dnl ---------------------------------------------------------------------------
dnl AM_WITH_NLS version: 40 updated: 2024/06/12 19:04:11
dnl -----------
dnl Inserted as requested by gettext 0.10.40
dnl File from /usr/share/aclocal
dnl gettext.m4
dnl ====================
dnl Macro to add for using GNU gettext.
dnl Ulrich Drepper <[email protected]>, 1995.
dnl ====================
dnl Modified to use CF_FIND_LINKAGE and CF_ADD_SEARCHPATH, to broaden the
dnl range of locations searched. Retain the same cache-variable naming to
dnl allow reuse with the other gettext macros -Thomas E Dickey
dnl ====================
dnl
dnl This file can be copied and used freely without restrictions. It can
dnl be used in projects which are not available under the GNU General Public
dnl License or the GNU Library General Public License but which still want
dnl to provide support for the GNU gettext functionality.
dnl Please note that the actual code of the GNU gettext library is covered
dnl by the GNU Library General Public License, and the rest of the GNU
dnl gettext package package is covered by the GNU General Public License.
dnl They are *not* in the public domain.
dnl
dnl serial 10
dnl
dnl Usage: AM_WITH_NLS([TOOLSYMBOL], [NEEDSYMBOL], [LIBDIR], [ENABLED]).
AC_DEFUN([AM_WITH_NLS],
[AC_MSG_CHECKING([whether NLS is requested])
dnl Default is enabled NLS
ifelse([$4],,[
AC_ARG_ENABLE(nls,
[ --disable-nls do not use Native Language Support],
USE_NLS=$enableval, USE_NLS=yes)],[
AC_ARG_ENABLE(nls,
[ --enable-nls use Native Language Support],
USE_NLS=$enableval, USE_NLS=no)])
AC_MSG_RESULT($USE_NLS)
AC_SUBST(USE_NLS)
dnl If we use NLS figure out what method
if test "$USE_NLS" = "yes"; then
dnl We need to process the po/ directory.
dnl Search for GNU msgfmt in the PATH.
AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
["$ac_dir/$ac_word" --statistics /dev/null >/dev/null 2>&1], :)
AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
AC_SUBST(MSGFMT)
dnl Search for GNU xgettext in the PATH.
AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
["$ac_dir/$ac_word" --omit-header /dev/null >/dev/null 2>&1], :)
CATOBJEXT=NONE
dnl Save these (possibly-set) variables for reference. If the user
dnl overrode these to provide full pathnames, then warn if not actually
dnl GNU gettext, but do not override their values. Also, if they were
dnl overridden, suppress the part of the library test which prevents it
dnl from finding anything other than GNU gettext. Doing this also
dnl suppresses a bogus search for the intl library.
cf_save_msgfmt_path="$MSGFMT"
cf_save_xgettext_path="$XGETTEXT"
CF_ADD_LIBS($LIBICONV)
cf_save_LIBS_1="$LIBS"
cf_save_OPTS_1="$CPPFLAGS"
AC_ARG_WITH([libintl-prefix],
[ --with-libintl-prefix=DIR
search for libintl in DIR/include and DIR/lib],
[CF_ADD_OPTIONAL_PATH($withval, libintl)])
CF_FIND_LINKAGE(CF__INTL_HEAD,
CF__INTL_BODY($2),
intl,
cf_cv_func_gettext=yes,
cf_cv_func_gettext=no)
AC_MSG_CHECKING([for libintl.h and gettext()])
AC_MSG_RESULT($cf_cv_func_gettext)
if test "$cf_cv_func_gettext" = yes ; then
AC_DEFINE(HAVE_LIBINTL_H,1,[Define to 1 if we have libintl.h])
AC_DEFINE(HAVE_GETTEXT, 1,
[Define if the GNU gettext() function is already present or preinstalled.])
CF_ADD_INCDIR($cf_cv_header_path_intl)
if test -n "$cf_cv_library_file_intl" ; then
INTLLIBS="$cf_cv_library_file_intl"
CF_ADD_LIBDIR($cf_cv_library_path_intl,INTLLIBS)
fi
AC_MSG_CHECKING(if this is GNU gettext)
AC_TRY_LINK(
#define USE_MSGFMT_HACK
CF__INTL_HEAD,
CF__INTL_BODY,
cf_cv_gnu_gettext=yes,
cf_cv_gnu_gettext=no)
AC_MSG_RESULT($cf_cv_gnu_gettext)
test "$" = yes && AC_DEFINE(HAVE__NL_MSG_CAT_CNTR,1,[define to 1 if _nl_msg_cat_cntr is found with gettext/intl])
LIBS="$LIBS $INTLLIBS"
AC_CHECK_FUNCS(dcgettext)
CATOBJEXT=.gmo
AC_DEFINE(ENABLE_NLS, 1,
[Define to 1 if translation of program messages is enabled.])
elif test -z "$MSGFMT" || test -z "$XGETTEXT" ; then
AC_MSG_WARN(disabling NLS feature)
ALL_LINGUAS=
CATOBJEXT=.ignored
MSGFMT=":"
GMSGFMT=":"
XGETTEXT=":"
USE_NLS=no
LIBS="$cf_save_LIBS_1"
CPPFLAGS="$cf_save_OPTS_1"
fi
dnl Test whether we really found GNU msgfmt.
if test "$GMSGFMT" != ":"; then
if $GMSGFMT --statistics /dev/null >/dev/null 2>&1; then
: ;
else
AC_MSG_WARN([found msgfmt program is not GNU msgfmt])
fi
fi
dnl Test whether we really found GNU xgettext.
if test "$XGETTEXT" != ":"; then
if $XGETTEXT --omit-header /dev/null >/dev/null 2>&1; then
: ;
else
AC_MSG_WARN([found xgettext program is not GNU xgettext])
fi
fi
fi
if test "$XGETTEXT" != ":"; then
AC_OUTPUT_COMMANDS(
[for ac_file in $CONFIG_FILES; do
# Support "outfile[:infile[:infile...]]"
case "$ac_file" in
(*:*) ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
esac
# PO directories have a Makefile.in generated from Makefile.inn.
case "$ac_file" in
(*/[Mm]akefile.in)
# Adjust a relative srcdir.
ac_dir="`echo "$ac_file"|sed 's%/[^/][^/]*$%%'`"
ac_dir_suffix="/`echo "$ac_dir"|sed 's%^\./%%'`"
ac_dots="`echo "$ac_dir_suffix"|sed 's%/[^/]*%../%g'`"
ac_base="`basename $ac_file .in`"
# In autoconf-2.13 it is called $ac_given_srcdir.
# In autoconf-2.50 it is called $srcdir.
test -n "$ac_given_srcdir" || ac_given_srcdir="$srcdir"
case "$ac_given_srcdir" in
(.) top_srcdir=`echo $ac_dots|sed 's%/$%%'` ;;
(/*) top_srcdir="$ac_given_srcdir" ;;
(*) top_srcdir="$ac_dots$ac_given_srcdir" ;;
esac
if test -f "$ac_given_srcdir/$ac_dir/POTFILES.in"; then
rm -f "$ac_dir/POTFILES"
test -n "$as_me" && echo "$as_me: creating $ac_dir/POTFILES" || echo "creating $ac_dir/POTFILES"
sed -e "/^#/d" -e "/^[ ]*\$/d" -e "s,.*, $top_srcdir/& \\\\," -e "\$s/\(.*\) \\\\/\1/" < "$ac_given_srcdir/$ac_dir/POTFILES.in" > "$ac_dir/POTFILES"
test -n "$as_me" && echo "$as_me: creating $ac_dir/$ac_base" || echo "creating $ac_dir/$ac_base"
sed -e "/POTFILES =/r $ac_dir/POTFILES" "$ac_dir/$ac_base.in" > "$ac_dir/$ac_base"
fi
;;
esac
done])
dnl These rules are solely for the distribution goal. While doing this
dnl we only have to keep exactly one list of the available catalogs
dnl in configure.in.
for lang in $ALL_LINGUAS; do
GMOFILES="$GMOFILES $lang.gmo"
POFILES="$POFILES $lang.po"
done
fi
dnl Make all variables we use known to autoconf.
AC_SUBST(CATALOGS)
AC_SUBST(CATOBJEXT)
AC_SUBST(GMOFILES)
AC_SUBST(POFILES)
dnl For backward compatibility. Some configure.ins may be using this.
nls_cv_header_intl=
nls_cv_header_libgt=
dnl For backward compatibility. Some Makefiles may be using this.
DATADIRNAME=share
AC_SUBST(DATADIRNAME)
dnl For backward compatibility. Some Makefiles may be using this.
INSTOBJEXT=.mo
AC_SUBST(INSTOBJEXT)
dnl For backward compatibility. Some Makefiles may be using this.
GENCAT=gencat
AC_SUBST(GENCAT)
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_ACVERSION_CHECK version: 5 updated: 2014/06/04 19:11:49
dnl ------------------
dnl Conditionally generate script according to whether we're using a given autoconf.
dnl
dnl $1 = version to compare against
dnl $2 = code to use if AC_ACVERSION is at least as high as $1.
dnl $3 = code to use if AC_ACVERSION is older than $1.
define([CF_ACVERSION_CHECK],
[
ifdef([AC_ACVERSION], ,[ifdef([AC_AUTOCONF_VERSION],[m4_copy([AC_AUTOCONF_VERSION],[AC_ACVERSION])],[m4_copy([m4_PACKAGE_VERSION],[AC_ACVERSION])])])dnl
ifdef([m4_version_compare],
[m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])],
[CF_ACVERSION_COMPARE(
AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])),
AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl
dnl ---------------------------------------------------------------------------
dnl CF_ACVERSION_COMPARE version: 3 updated: 2012/10/03 18:39:53
dnl --------------------
dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1,
dnl MAJOR2, MINOR2, TERNARY2,
dnl PRINTABLE2, not FOUND, FOUND)
define([CF_ACVERSION_COMPARE],
[ifelse(builtin([eval], [$2 < $5]), 1,
[ifelse([$8], , ,[$8])],
[ifelse([$9], , ,[$9])])])dnl
dnl ---------------------------------------------------------------------------
dnl CF_ADD_CFLAGS version: 15 updated: 2020/12/31 10:54:15
dnl -------------
dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
dnl $1 = flags to add
dnl $2 = if given makes this macro verbose.
dnl
dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
dnl confused by the quotes (which require backslashes to keep them usable).
AC_DEFUN([CF_ADD_CFLAGS],
[
cf_fix_cppflags=no
cf_new_cflags=
cf_new_cppflags=
cf_new_extra_cppflags=
for cf_add_cflags in $1
do
case "$cf_fix_cppflags" in
(no)
case "$cf_add_cflags" in
(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
case "$cf_add_cflags" in
(-D*)
cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
&& test -z "${cf_tst_cflags}" \
&& cf_fix_cppflags=yes
if test "$cf_fix_cppflags" = yes ; then
CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
continue
elif test "${cf_tst_cflags}" = "\"'" ; then
CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
continue
fi
;;
esac
case "$CPPFLAGS" in
(*$cf_add_cflags)
;;
(*)
case "$cf_add_cflags" in
(-D*)
cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
;;
esac
CF_APPEND_TEXT(cf_new_cppflags,$cf_add_cflags)
;;
esac
;;
(*)
CF_APPEND_TEXT(cf_new_cflags,$cf_add_cflags)
;;
esac
;;
(yes)
CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[[^"]]*"'\''//'`
test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
&& test -z "${cf_tst_cflags}" \
&& cf_fix_cppflags=no
;;
esac
done
if test -n "$cf_new_cflags" ; then
ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
CF_APPEND_TEXT(CFLAGS,$cf_new_cflags)
fi
if test -n "$cf_new_cppflags" ; then
ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
CF_APPEND_TEXT(CPPFLAGS,$cf_new_cppflags)
fi
if test -n "$cf_new_extra_cppflags" ; then
ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
CF_APPEND_TEXT(EXTRA_CPPFLAGS,$cf_new_extra_cppflags)
fi
AC_SUBST(EXTRA_CPPFLAGS)
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_ADD_INCDIR version: 17 updated: 2021/09/04 06:35:04
dnl -------------
dnl Add an include-directory to $CPPFLAGS. Don't add /usr/include, since it is
dnl redundant. We don't normally need to add -I/usr/local/include for gcc,
dnl but old versions (and some misinstalled ones) need that. To make things
dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
dnl the include-path).
AC_DEFUN([CF_ADD_INCDIR],
[
if test -n "$1" ; then
for cf_add_incdir in $1
do
while test "$cf_add_incdir" != /usr/include
do
if test -d "$cf_add_incdir"
then
cf_have_incdir=no
if test -n "$CFLAGS$CPPFLAGS" ; then
# a loop is needed to ensure we can add subdirs of existing dirs
for cf_test_incdir in $CFLAGS $CPPFLAGS ; do
if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then
cf_have_incdir=yes; break
fi
done
fi
if test "$cf_have_incdir" = no ; then
if test "$cf_add_incdir" = /usr/local/include ; then
if test "$GCC" = yes
then
cf_save_CPPFLAGS=$CPPFLAGS
CF_APPEND_TEXT(CPPFLAGS,-I$cf_add_incdir)
AC_TRY_COMPILE([#include <stdio.h>],
[printf("Hello")],
[],
[cf_have_incdir=yes])
CPPFLAGS=$cf_save_CPPFLAGS
fi
fi
fi
if test "$cf_have_incdir" = no ; then
CF_VERBOSE(adding $cf_add_incdir to include-path)
ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
cf_top_incdir=`echo "$cf_add_incdir" | sed -e 's%/include/.*$%/include%'`
test "$cf_top_incdir" = "$cf_add_incdir" && break
cf_add_incdir="$cf_top_incdir"
else
break
fi
else
break
fi
done
done
fi
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
dnl ----------
dnl Add a library, used to enforce consistency.
dnl
dnl $1 = library to add, without the "-l"
dnl $2 = variable to update (default $LIBS)
AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
dnl ---------------------------------------------------------------------------
dnl CF_ADD_LIBDIR version: 11 updated: 2020/12/31 20:19:42
dnl -------------
dnl Adds to the library-path
dnl
dnl Some machines have trouble with multiple -L options.
dnl
dnl $1 is the (list of) directory(s) to add
dnl $2 is the optional name of the variable to update (default LDFLAGS)
dnl
AC_DEFUN([CF_ADD_LIBDIR],
[
if test -n "$1" ; then
for cf_add_libdir in $1
do
if test "$cf_add_libdir" = /usr/lib ; then
:
elif test -d "$cf_add_libdir"
then
cf_have_libdir=no
if test -n "$LDFLAGS$LIBS" ; then
# a loop is needed to ensure we can add subdirs of existing dirs
for cf_test_libdir in $LDFLAGS $LIBS ; do
if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
cf_have_libdir=yes; break
fi
done
fi
if test "$cf_have_libdir" = no ; then
CF_VERBOSE(adding $cf_add_libdir to library-path)
ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
fi
fi
done
fi
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_ADD_LIBS version: 3 updated: 2019/11/02 16:47:33
dnl -----------
dnl Add one or more libraries, used to enforce consistency. Libraries are
dnl prepended to an existing list, since their dependencies are assumed to
dnl already exist in the list.
dnl
dnl $1 = libraries to add, with the "-l", etc.
dnl $2 = variable to update (default $LIBS)
AC_DEFUN([CF_ADD_LIBS],[
cf_add_libs="[$]ifelse($2,,LIBS,[$2])"
# reverse order
cf_add_0lib=
for cf_add_1lib in $1; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
# filter duplicates
for cf_add_1lib in $cf_add_0lib; do
for cf_add_2lib in $cf_add_libs; do
if test "x$cf_add_1lib" = "x$cf_add_2lib"; then
cf_add_1lib=
break
fi
done
test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs"
done
ifelse($2,,LIBS,[$2])="$cf_add_libs"
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_ADD_LIB_AFTER version: 3 updated: 2013/07/09 21:27:22
dnl ----------------
dnl Add a given library after another, e.g., following the one it satisfies a
dnl dependency for.
dnl
dnl $1 = the first library
dnl $2 = its dependency
AC_DEFUN([CF_ADD_LIB_AFTER],[
CF_VERBOSE(...before $LIBS)
LIBS=`echo "$LIBS" | sed -e "s/[[ ]][[ ]]*/ /g" -e "s%$1 %$1 $2 %" -e 's% % %g'`
CF_VERBOSE(...after $LIBS)
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_ADD_OPTIONAL_PATH version: 6 updated: 2024/09/10 19:19:44
dnl --------------------
dnl Add an optional search-path to the compile/link variables.
dnl See CF_WITH_PATH
dnl
dnl $1 = shell variable containing the result of --with-XXX=[DIR]
dnl $2 = module to look for.
AC_DEFUN([CF_ADD_OPTIONAL_PATH],[
case "x$1" in
(xno|xyes|x)
;;
(*)
CF_ADD_SEARCHPATH([$1], [AC_MSG_ERROR(cannot find $2 under $1)])
CF_VERBOSE(setting path value for ifelse([$2],,variable,[$2]) to $1)
;;
esac
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_ADD_SEARCHPATH version: 6 updated: 2020/12/31 20:19:42
dnl -----------------
dnl Set $CPPFLAGS and $LDFLAGS with the directories given via the parameter.
dnl They can be either the common root of include- and lib-directories, or the
dnl lib-directory (to allow for things like lib64 directories).
dnl See also CF_FIND_LINKAGE.
dnl
dnl $1 is the list of colon-separated directory names to search.
dnl $2 is the action to take if a parameter does not yield a directory.
AC_DEFUN([CF_ADD_SEARCHPATH],
[
AC_REQUIRE([CF_PATHSEP])
for cf_searchpath in `echo "$1" | tr $PATH_SEPARATOR ' '`; do
if test -d "$cf_searchpath/include" ; then
CF_ADD_INCDIR($cf_searchpath/include)
elif test -d "$cf_searchpath/../include" ; then
CF_ADD_INCDIR($cf_searchpath/../include)
ifelse([$2],,,[else
$2])
fi
if test -d "$cf_searchpath/lib" ; then
CF_ADD_LIBDIR($cf_searchpath/lib)
elif test -d "$cf_searchpath" ; then
CF_ADD_LIBDIR($cf_searchpath)
ifelse([$2],,,[else
$2])
fi
done
])
dnl ---------------------------------------------------------------------------
dnl CF_ADD_SUBDIR_PATH version: 5 updated: 2020/12/31 20:19:42
dnl ------------------
dnl Append to a search-list for a nonstandard header/lib-file
dnl $1 = the variable to return as result
dnl $2 = the package name
dnl $3 = the subdirectory, e.g., bin, include or lib
dnl $4 = the directory under which we will test for subdirectories
dnl $5 = a directory that we do not want $4 to match
AC_DEFUN([CF_ADD_SUBDIR_PATH],
[
test "x$4" != "x$5" && \
test -d "$4" && \
ifelse([$5],NONE,,[{ test -z "$5" || test "x$5" = xNONE || test "x$4" != "x$5"; } &&]) {
test -n "$verbose" && echo " ... testing for $3-directories under $4"
test -d "$4/$3" && $1="[$]$1 $4/$3"
test -d "$4/$3/$2" && $1="[$]$1 $4/$3/$2"
test -d "$4/$3/$2/$3" && $1="[$]$1 $4/$3/$2/$3"
test -d "$4/$2/$3" && $1="[$]$1 $4/$2/$3"
test -d "$4/$2/$3/$2" && $1="[$]$1 $4/$2/$3/$2"
}
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_ALT_CHAR_SET version: 10 updated: 2021/06/08 18:08:14
dnl ---------------
dnl Check for existence of alternate-character-set support in curses, so we
dnl can decide to use it for box characters.
dnl
AC_DEFUN([CF_ALT_CHAR_SET],
[
AC_MSG_CHECKING([if curses supports alternate-character set])
AC_CACHE_VAL(cf_cv_alt_char_set,[
for mapname in acs_map _acs_map
do
AC_TRY_LINK([
#include <${cf_cv_ncurses_header:-curses.h}>
],[chtype x = ${mapname}['l']; ${mapname}['m'] = 0; (void)x],
[cf_cv_alt_char_set=$mapname
break],
[cf_cv_alt_char_set=no])
done
])
AC_MSG_RESULT($cf_cv_alt_char_set)
test "$cf_cv_alt_char_set" != no && AC_DEFINE_UNQUOTED(ALT_CHAR_SET,$cf_cv_alt_char_set,[Define to 1 if if curses supports alternate-character set])
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_ANSI_CC_CHECK version: 15 updated: 2024/05/01 15:00:19
dnl ----------------
dnl This was originally adapted from the macros 'fp_PROG_CC_STDC' and
dnl 'fp_C_PROTOTYPES' in the sharutils 4.2 distribution.
AC_DEFUN([CF_ANSI_CC_CHECK],
[
CF_CC_ENV_FLAGS
AC_CACHE_CHECK(for ${CC:-cc} option to accept ANSI C, cf_cv_ansi_cc,[
cf_cv_ansi_cc=no
cf_save_CFLAGS="$CFLAGS"
cf_save_CPPFLAGS="$CPPFLAGS"
# Don't try gcc -ansi; that turns off useful extensions and
# breaks some systems' header files.
# AIX -qlanglvl=ansi
# Ultrix and OSF/1 -std1
# HP-UX -Aa -D_HPUX_SOURCE
# SVR4 -Xc
# UnixWare 1.2 (cannot use -Xc, since ANSI/POSIX clashes)
for cf_arg in "-DCC_HAS_PROTOS" \
"" \
-qlanglvl=ansi \
-std1 \
-Ae \
"-Aa -D_HPUX_SOURCE" \
-Xc
do
CFLAGS="$cf_save_CFLAGS"
CPPFLAGS="$cf_save_CPPFLAGS"
CF_ADD_CFLAGS($cf_arg)
AC_TRY_COMPILE(
[
#ifndef CC_HAS_PROTOS
#if !defined(__STDC__) || (__STDC__ != 1)
choke me
#endif
#endif
extern int test (int i, double x);
],[
struct s1 {int (*f) (int a);};
struct s2 {int (*f) (double a);};],
[cf_cv_ansi_cc="$cf_arg"; break])
done
CFLAGS="$cf_save_CFLAGS"
CPPFLAGS="$cf_save_CPPFLAGS"
])
if test "$cf_cv_ansi_cc" != "no"; then
if test ".$cf_cv_ansi_cc" != ".-DCC_HAS_PROTOS"; then
CF_ADD_CFLAGS($cf_cv_ansi_cc)
else
AC_DEFINE(CC_HAS_PROTOS,1,[Define to 1 if C compiler supports prototypes])
fi
fi
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_ANSI_CC_REQD version: 4 updated: 2008/03/23 14:48:54
dnl ---------------
dnl For programs that must use an ANSI compiler, obtain compiler options that
dnl will make it recognize prototypes. We'll do preprocessor checks in other
dnl macros, since tools such as unproto can fake prototypes, but only part of
dnl the preprocessor.
AC_DEFUN([CF_ANSI_CC_REQD],
[AC_REQUIRE([CF_ANSI_CC_CHECK])
if test "$cf_cv_ansi_cc" = "no"; then
AC_MSG_ERROR(
[Your compiler does not appear to recognize prototypes.
You have the following choices:
a. adjust your compiler options
b. get an up-to-date compiler
c. use a wrapper such as unproto])
fi
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_APPEND_CFLAGS version: 3 updated: 2021/09/05 17:25:40
dnl ----------------
dnl Use CF_ADD_CFLAGS after first checking for potential redefinitions.
dnl $1 = flags to add
dnl $2 = if given makes this macro verbose.
define([CF_APPEND_CFLAGS],
[
for cf_add_cflags in $1
do
case "x$cf_add_cflags" in
(x-[[DU]]*)
CF_REMOVE_CFLAGS($cf_add_cflags,CFLAGS,[$2])
CF_REMOVE_CFLAGS($cf_add_cflags,CPPFLAGS,[$2])
;;
esac
CF_ADD_CFLAGS([$cf_add_cflags],[$2])
done
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_APPEND_TEXT version: 1 updated: 2017/02/25 18:58:55
dnl --------------
dnl use this macro for appending text without introducing an extra blank at
dnl the beginning
define([CF_APPEND_TEXT],
[
test -n "[$]$1" && $1="[$]$1 "
$1="[$]{$1}$2"
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
dnl --------------
dnl Allow user to disable a normally-on option.
AC_DEFUN([CF_ARG_DISABLE],
[CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
dnl ---------------------------------------------------------------------------
dnl CF_ARG_ENABLE version: 3 updated: 1999/03/30 17:24:31
dnl -------------
dnl Allow user to enable a normally-off option.
AC_DEFUN([CF_ARG_ENABLE],
[CF_ARG_OPTION($1,[$2],[$3],[$4],no)])dnl
dnl ---------------------------------------------------------------------------
dnl CF_ARG_OPTION version: 5 updated: 2015/05/10 19:52:14
dnl -------------
dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
dnl values.
dnl
dnl Parameters:
dnl $1 = option name
dnl $2 = help-string
dnl $3 = action to perform if option is not default
dnl $4 = action if perform if option is default
dnl $5 = default option value (either 'yes' or 'no')
AC_DEFUN([CF_ARG_OPTION],
[AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
if test "$enableval" != "$5" ; then
ifelse([$3],,[ :]dnl
,[ $3]) ifelse([$4],,,[
else
$4])
fi],[enableval=$5 ifelse([$4],,,[
$4
])dnl
])])dnl
dnl ---------------------------------------------------------------------------
dnl CF_AR_FLAGS version: 9 updated: 2021/01/01 13:31:04
dnl -----------
dnl Check for suitable "ar" (archiver) options for updating an archive.
dnl
dnl In particular, handle some obsolete cases where the "-" might be omitted,
dnl as well as a workaround for breakage of make's archive rules by the GNU
dnl binutils "ar" program.
AC_DEFUN([CF_AR_FLAGS],[
AC_REQUIRE([CF_PROG_AR])
AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
case "$cf_cv_system_name" in
(*-msvc*)
cf_cv_ar_flags=''
cat >mk_static_lib.sh <<-EOF
#!$SHELL
MSVC_BIN="[$]AR"
out="\[$]1"
shift
exec \[$]MSVC_BIN -out:"\[$]out" \[$]@
EOF
chmod +x mk_static_lib.sh
AR=`pwd`/mk_static_lib.sh
;;
(*)
cf_cv_ar_flags=unknown