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aclocal.m4
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dnl $LynxId: aclocal.m4,v 1.252 2018/07/08 15:22:44 tom Exp $
dnl Macros for auto-configure script.
dnl by Thomas E. Dickey <dickey@invisible-island.net>
dnl and Jim Spath <jspath@mail.bcpl.lib.md.us>
dnl and Philippe De Muyter <phdm@macqel.be>
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 1997-2017,2018 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 ---------------------------------------------------------------------------
dnl AM_GNU_GETTEXT version: 14 updated: 2015/04/15 19:08:48
dnl --------------
dnl Usage: Just like AM_WITH_NLS, which see.
AC_DEFUN([AM_GNU_GETTEXT],
[AC_REQUIRE([AC_PROG_MAKE_SET])dnl
AC_REQUIRE([AC_CANONICAL_HOST])dnl
AC_REQUIRE([AC_PROG_RANLIB])dnl
AC_REQUIRE([AC_HEADER_STDC])dnl
AC_REQUIRE([AC_C_INLINE])dnl
AC_REQUIRE([AC_TYPE_OFF_T])dnl
AC_REQUIRE([AC_TYPE_SIZE_T])dnl
AC_REQUIRE([AC_FUNC_ALLOCA])dnl
AC_REQUIRE([AC_FUNC_MMAP])dnl
AC_REQUIRE([jm_GLIBC21])dnl
AC_REQUIRE([CF_PROG_CC])dnl
AC_CHECK_HEADERS([argz.h limits.h locale.h nl_types.h malloc.h stddef.h \
stdlib.h string.h unistd.h sys/param.h])
AC_CHECK_FUNCS([feof_unlocked fgets_unlocked getcwd getegid geteuid \
getgid getuid mempcpy munmap putenv setenv setlocale stpcpy strchr strcasecmp \
strdup strtoul tsearch __argz_count __argz_stringify __argz_next])
AM_ICONV
AM_LANGINFO_CODESET
AM_LC_MESSAGES
AM_WITH_NLS([$1],[$2],[$3],[$4])
if test "x$CATOBJEXT" != "x"; 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
fi
dnl Enable libtool support if the surrounding package wishes it.
INTL_LIBTOOL_SUFFIX_PREFIX=ifelse([$1], use-libtool, [l], [])
AC_SUBST(INTL_LIBTOOL_SUFFIX_PREFIX)
])dnl
dnl ---------------------------------------------------------------------------
dnl AM_ICONV version: 12 updated: 2007/07/30 19:12:03
dnl --------
dnl Inserted as requested by gettext 0.10.40
dnl File from /usr/share/aclocal
dnl iconv.m4
dnl ====================
dnl serial AM2
dnl
dnl From Bruno Haible.
dnl
dnl ====================
dnl Modified to use CF_FIND_LINKAGE and CF_ADD_SEARCHPATH, to broaden the
dnl range of locations searched. Retain the same cache-variable naming to
dnl allow reuse with the other gettext macros -Thomas E Dickey
AC_DEFUN([AM_ICONV],
[
dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
dnl those with the standalone portable GNU libiconv installed).
AC_ARG_WITH([libiconv-prefix],
[ --with-libiconv-prefix=DIR
search for libiconv in DIR/include and DIR/lib], [
CF_ADD_OPTIONAL_PATH($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=""
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: 4 updated: 2015/04/18 08:56:57
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 <langinfo.h>],
[char* cs = nl_langinfo(CODESET);],
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: 5 updated: 2015/05/10 19:52:14
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 <drepper@cygnus.com>, 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: 9 updated: 2015/04/15 19:08:48
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 <drepper@cygnus.com>, 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: 29 updated: 2018/02/21 21:26:03
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 <drepper@cygnus.com>, 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]).
dnl If TOOLSYMBOL is specified and is 'use-libtool', then a libtool library
dnl $(top_builddir)/intl/libintl.la will be created (shared and/or static,
dnl depending on --{enable,disable}-{shared,static} and on the presence of
dnl AM-DISABLE-SHARED). Otherwise, a static library
dnl $(top_builddir)/intl/libintl.a will be created.
dnl If NEEDSYMBOL is specified and is 'need-ngettext', then GNU gettext
dnl implementations (in libc or libintl) without the ngettext() function
dnl will be ignored.
dnl LIBDIR is used to find the intl libraries. If empty,
dnl the value `$(top_builddir)/intl/' is used.
dnl ENABLED is used to control the default for the related --enable-nls, since
dnl not all application developers want this feature by default, e.g., lynx.
dnl
dnl The result of the configuration is one of three cases:
dnl 1) GNU gettext, as included in the intl subdirectory, will be compiled
dnl and used.
dnl Catalog format: GNU --> install in $(datadir)
dnl Catalog extension: .mo after installation, .gmo in source tree
dnl 2) GNU gettext has been found in the system's C library.
dnl Catalog format: GNU --> install in $(datadir)
dnl Catalog extension: .mo after installation, .gmo in source tree
dnl 3) No internationalization, always use English msgid.
dnl Catalog format: none
dnl Catalog extension: none
dnl The use of .gmo is historical (it was needed to avoid overwriting the
dnl GNU format catalogs when building on a platform with an X/Open gettext),
dnl but we keep it in order not to force irrelevant filename changes on the
dnl maintainers.
dnl
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)
BUILD_INCLUDED_LIBINTL=no
USE_INCLUDED_LIBINTL=no
INTLLIBS=
dnl If we use NLS figure out what method
if test "$USE_NLS" = "yes"; then
dnl We need to process the po/ directory.
POSUB=po
AC_DEFINE(ENABLE_NLS, 1,
[Define to 1 if translation of program messages to the user's native language
is requested.])
AC_MSG_CHECKING([whether included gettext is requested])
AC_ARG_WITH(included-gettext,
[ --with-included-gettext use the GNU gettext library included here],
nls_cv_force_use_gnu_gettext=$withval,
nls_cv_force_use_gnu_gettext=no)
AC_MSG_RESULT($nls_cv_force_use_gnu_gettext)
nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext"
if test "$nls_cv_force_use_gnu_gettext" != "yes"; then
dnl User does not insist on using GNU NLS library. Figure out what
dnl to use. If GNU gettext is available we use this. Else we may have
dnl to fall back to GNU NLS library.
CATOBJEXT=NONE
dnl Save these (possibly-set) variables for reference. If the user
dnl overrode these to provide full pathnames, then warn if not actually
dnl GNU gettext, but do not override their values. Also, if they were
dnl overridden, suppress the part of the library test which prevents it
dnl from finding anything other than GNU gettext. Doing this also
dnl suppresses a bogus search for the intl library.
cf_save_msgfmt_path="$MSGFMT"
cf_save_xgettext_path="$XGETTEXT"
dnl Search for GNU msgfmt in the PATH.
AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
[$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/$ac_word --omit-header /dev/null >/dev/null 2>&1], :)
cf_save_OPTS_1="$CPPFLAGS"
if test "x$cf_save_msgfmt_path" = "x$MSGFMT" && \
test "x$cf_save_xgettext_path" = "x$XGETTEXT" ; then
CF_ADD_CFLAGS(-DIGNORE_MSGFMT_HACK)
fi
cf_save_LIBS_1="$LIBS"
CF_ADD_LIBS($LIBICONV)
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)
LIBS="$cf_save_LIBS_1"
CPPFLAGS="$cf_save_OPTS_1"
if test "$cf_cv_func_gettext" = yes ; then
AC_DEFINE(HAVE_LIBINTL_H,1,[Define to 1 if we have libintl.h])
dnl If an already present or preinstalled GNU gettext() is found,
dnl use it. But if this macro is used in GNU gettext, and GNU
dnl gettext is already preinstalled in libintl, we update this
dnl libintl. (Cf. the install rule in intl/Makefile.in.)
if test "$PACKAGE" != gettext; then
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
dnl If iconv() is in a separate libiconv library, then anyone
dnl linking with libintl{.a,.so} also needs to link with
dnl libiconv.
INTLLIBS="$cf_cv_library_file_intl $LIBICONV"
CF_ADD_LIBDIR($cf_cv_library_path_intl,INTLLIBS)
fi
gt_save_LIBS="$LIBS"
LIBS="$LIBS $INTLLIBS"
AC_CHECK_FUNCS(dcgettext)
LIBS="$gt_save_LIBS"
CATOBJEXT=.gmo
fi
elif test -z "$MSGFMT" || test -z "$XGETTEXT" ; then
AC_MSG_WARN(disabling NLS feature)
sed -e /ENABLE_NLS/d confdefs.h >confdefs.tmp
mv confdefs.tmp confdefs.h
ALL_LINGUAS=
CATOBJEXT=.ignored
MSGFMT=":"
GMSGFMT=":"
XGETTEXT=":"
POSUB=
BUILD_INCLUDED_LIBINTL=no
USE_INCLUDED_LIBINTL=no
USE_NLS=no
nls_cv_use_gnu_gettext=no
fi
if test "$CATOBJEXT" = "NONE"; then
dnl GNU gettext is not found in the C library.
dnl Fall back on GNU gettext library.
nls_cv_use_gnu_gettext=maybe
fi
fi
if test "$nls_cv_use_gnu_gettext" != "no"; then
CATOBJEXT=.gmo
if test -f $srcdir/intl/libintl.h ; then
dnl Mark actions used to generate GNU NLS library.
INTLOBJS="\$(GETTOBJS)"
BUILD_INCLUDED_LIBINTL=yes
USE_INCLUDED_LIBINTL=yes
INTLLIBS="ifelse([$3],[],\$(top_builddir)/intl,[$3])/libintl.ifelse([$1], use-libtool, [l], [])a $LIBICONV"
LIBS=`echo " $LIBS " | sed -e 's/ -lintl / /' -e 's/^ //' -e 's/ $//'`
elif test "$nls_cv_use_gnu_gettext" = "yes"; then
nls_cv_use_gnu_gettext=no
AC_MSG_WARN(no NLS library is packaged with this application)
fi
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/$ac_base"
fi
;;
esac
done])
dnl If this is used in GNU gettext we have to set BUILD_INCLUDED_LIBINTL
dnl to 'yes' because some of the testsuite requires it.
if test "$PACKAGE" = gettext; then
BUILD_INCLUDED_LIBINTL=yes
fi
dnl intl/plural.c is generated from intl/plural.y. It requires bison,
dnl because plural.y uses bison specific features. It requires at least
dnl bison-1.26 because earlier versions generate a plural.c that doesn't
dnl compile.
dnl bison is only needed for the maintainer (who touches plural.y). But in
dnl order to avoid separate Makefiles or --enable-maintainer-mode, we put
dnl the rule in general Makefile. Now, some people carelessly touch the
dnl files or have a broken "make" program, hence the plural.c rule will
dnl sometimes fire. To avoid an error, defines BISON to ":" if it is not
dnl present or too old.
if test "$nls_cv_use_gnu_gettext" = "yes"; then
AC_CHECK_PROGS([INTLBISON], [bison])
if test -z "$INTLBISON"; then
ac_verc_fail=yes
else
dnl Found it, now check the version.
AC_MSG_CHECKING([version of bison])
changequote(<<,>>)dnl
ac_prog_version=`$INTLBISON --version 2>&1 | sed -n 's/^.*GNU Bison.* \([0-9]*\.[0-9.]*\).*$/\1/p'`
case $ac_prog_version in
('') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
(1.2[6-9]*|1.[3-9][0-9]*|[2-9].*)
changequote([,])dnl
ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
(*) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
esac
AC_MSG_RESULT([$ac_prog_version])
fi
if test $ac_verc_fail = yes; then
INTLBISON=:
fi
fi
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(BUILD_INCLUDED_LIBINTL)
AC_SUBST(USE_INCLUDED_LIBINTL)
AC_SUBST(CATALOGS)
AC_SUBST(CATOBJEXT)
AC_SUBST(GMOFILES)
AC_SUBST(INTLLIBS)
AC_SUBST(INTLOBJS)
AC_SUBST(POFILES)
AC_SUBST(POSUB)
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: 13 updated: 2017/02/25 18:57:40
dnl -------------
dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
dnl The second parameter 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: 14 updated: 2015/05/25 20:53:04
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,
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=$CPPFLAGS
CPPFLAGS="$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: 10 updated: 2015/04/18 08:56:57
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: 2 updated: 2014/07/13 14:33:27
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="$1"
# Filter out duplicates - this happens with badly-designed ".pc" files...
for cf_add_1lib in [$]ifelse($2,,LIBS,[$2])
do
for cf_add_2lib in $cf_add_libs
do
if test "x$cf_add_1lib" = "x$cf_add_2lib"
then
cf_add_1lib=
break
fi
done
test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib"
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: 3 updated: 2015/05/10 19:52:14
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 "$1" in
(no)
;;
(yes)
;;
(*)
CF_ADD_SEARCHPATH([$1], [AC_MSG_ERROR(cannot find $2 under $1)])
;;
esac
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_ADD_SEARCHPATH version: 5 updated: 2009/01/11 20:40:21
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: 4 updated: 2013/10/08 17:47:05
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/$2"
}
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_ALT_CHAR_SET version: 8 updated: 2012/11/08 20:57:52
dnl ---------------
dnl Check for existence of alternate-character-set support in curses, so we
dnl can decide to use it for box characters.
dnl
AC_DEFUN([CF_ALT_CHAR_SET],
[
AC_MSG_CHECKING([if curses supports alternate-character set])
AC_CACHE_VAL(cf_cv_alt_char_set,[
for mapname in acs_map _acs_map
do
AC_TRY_LINK([
#include <${cf_cv_ncurses_header:-curses.h}>
],[chtype x = $mapname['l']; $mapname['m'] = 0],
[cf_cv_alt_char_set=$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: 13 updated: 2012/10/06 11:17:15
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="$CPPFLAGS"
# Don't try gcc -ansi; that turns off useful extensions and
# breaks some systems' header files.
# AIX -qlanglvl=ansi
# Ultrix and OSF/1 -std1
# HP-UX -Aa -D_HPUX_SOURCE
# SVR4 -Xc
# UnixWare 1.2 (cannot use -Xc, since ANSI/POSIX clashes)
for cf_arg in "-DCC_HAS_PROTOS" \
"" \
-qlanglvl=ansi \
-std1 \
-Ae \
"-Aa -D_HPUX_SOURCE" \
-Xc
do
CF_ADD_CFLAGS($cf_arg)
AC_TRY_COMPILE(
[