Commit 53b8fa05 authored by Bruno Haible's avatar Bruno Haible

An autoconf macro for its associated module.

parent 000ad744
# alloca.m4 serial 1
dnl Copyright (C) 2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
AC_DEFUN([gl_FUNC_ALLOCA],
[
AC_REQUIRE([AC_FUNC_ALLOCA])
if test $ac_cv_func_alloca_works = no; then
gl_PREREQ_ALLOCA
fi
])
# Prerequisites of lib/alloca.c.
# STACK_DIRECTION is already handled by AC_FUNC_ALLOCA.
AC_DEFUN([gl_PREREQ_ALLOCA], [
AC_CHECK_HEADERS_ONCE(stdlib.h string.h)
])
# atexit.m4 serial 1
dnl Copyright (C) 2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
AC_DEFUN([gl_FUNC_ATEXIT],
[
AC_REPLACE_FUNCS(atexit)
if test $ac_cv_func_atexit = no; then
gl_PREREQ_ATEXIT
fi
])
# Prerequisites of lib/atexit.c.
AC_DEFUN([gl_PREREQ_ATEXIT], [
:
])
# backupfile.m4 serial 1
dnl Copyright (C) 2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
AC_DEFUN([gl_BACKUPFILE],
[
dnl Prerequisites of lib/backupfile.c.
AC_REQUIRE([AC_HEADER_DIRENT])
AC_REQUIRE([AC_FUNC_CLOSEDIR_VOID])
AC_CHECK_HEADERS_ONCE(limits.h stdlib.h string.h)
AC_CHECK_DECLS_ONCE(getenv malloc)
jm_CHECK_TYPE_STRUCT_DIRENT_D_INO
dnl Prerequisites of lib/addext.c.
AC_REQUIRE([jm_AC_DOS])
AC_SYS_LONG_FILE_NAMES
AC_CHECK_HEADERS_ONCE(limits.h string.h unistd.h)
AC_CHECK_FUNCS(pathconf)
])
# canon-host.m4 serial 1
dnl Copyright (C) 2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
AC_DEFUN([gl_CANON_HOST],
[
dnl Prerequisites of lib/canon-host.c.
AC_CHECK_HEADERS_ONCE(stdlib.h string.h unistd.h)
AC_CHECK_HEADERS(netdb.h sys/socket.h netinet/in.h arpa/inet.h)
dnl Add any libraries as early as possible.
dnl In particular, inet_ntoa needs -lnsl at least on Solaris5.5.1,
dnl so we have to add -lnsl to LIBS before checking for that function.
AC_SEARCH_LIBS(gethostbyname, [inet nsl])
dnl These come from -lnsl on Solaris5.5.1.
AC_CHECK_FUNCS(gethostbyname gethostbyaddr inet_ntoa)
])
# clock_time.m4 serial 1
dnl Copyright (C) 2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
# Check for clock_gettime and clock_settime, and sets LIB_CLOCK_GETTIME.
AC_DEFUN([gl_CLOCK_TIME],
[
# Solaris 2.5.1 needs -lposix4 to get the clock_gettime function.
# Solaris 7 prefers the library name -lrt to the obsolescent name -lposix4.
# Save and restore LIBS so e.g., -lrt, isn't added to it. Otherwise, *all*
# programs in the package would end up linked with that potentially-shared
# library, inducing unnecessary run-time overhead.
fetish_saved_libs=$LIBS
AC_SEARCH_LIBS(clock_gettime, [rt posix4],
[LIB_CLOCK_GETTIME=$ac_cv_search_clock_gettime])
AC_SUBST(LIB_CLOCK_GETTIME)
AC_CHECK_FUNCS(clock_gettime clock_settime)
LIBS=$fetish_saved_libs
])
# closeout.m4 serial 1
dnl Copyright (C) 2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
AC_DEFUN([gl_CLOSEOUT],
[
dnl Prerequisites of lib/closeout.c.
AC_CHECK_HEADERS_ONCE(stdlib.h)
])
# codeset.m4 serial AM1 (gettext-0.10.40)
dnl Copyright (C) 2000-2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
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
])
# dirname.m4 serial 1
dnl Copyright (C) 2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
AC_DEFUN([gl_DIRNAME],
[
dnl Prerequisites of lib/dirname.h.
AC_REQUIRE([jm_AC_DOS])
dnl Prerequisites of lib/dirname.c.
AC_REQUIRE([AC_HEADER_STDC])
AC_CHECK_HEADERS_ONCE(string.h)
dnl Prerequisites of lib/basename.c.
AC_REQUIRE([AC_HEADER_STDC])
AC_CHECK_HEADERS_ONCE(string.h)
dnl Prerequisites of lib/stripslash.c.
AC_REQUIRE([AC_HEADER_STDC])
AC_CHECK_HEADERS_ONCE(string.h)
])
# dup2.m4 serial 1
dnl Copyright (C) 2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
AC_DEFUN([gl_FUNC_DUP2],
[
AC_REPLACE_FUNCS(dup2)
if test $ac_cv_func_dup2 = no; then
gl_PREREQ_DUP2
fi
])
# Prerequisites of lib/dup2.c.
AC_DEFUN([gl_PREREQ_DUP2], [
AC_CHECK_HEADERS_ONCE(fcntl.h unistd.h)
])
# euidaccess.m4 serial 1
dnl Copyright (C) 2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
AC_DEFUN([gl_FUNC_EUIDACCESS],
[
dnl Persuade glibc <unistd.h> to declare euidaccess().
AC_REQUIRE([AC_GNU_SOURCE])
AC_REPLACE_FUNCS(euidaccess)
if test $ac_cv_func_euidaccess = no; then
gl_PREREQ_EUIDACCESS
fi
])
# Prerequisites of lib/euidaccess.c.
AC_DEFUN([gl_PREREQ_EUIDACCESS], [
AC_CHECK_HEADERS_ONCE(unistd.h)
AC_REQUIRE([AC_FUNC_GETGROUPS])
])
# exclude.m4 serial 1
dnl Copyright (C) 2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
AC_DEFUN([gl_EXCLUDE],
[
dnl Prerequisites of lib/exclude.c.
AC_CHECK_HEADERS_ONCE(stdlib.h string.h strings.h sys/types.h)
])
# exitfail.m4 serial 1
dnl Copyright (C) 2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
AC_DEFUN([gl_EXITFAIL],
[
dnl Prerequisites of lib/exitfail.c.
AC_CHECK_HEADERS_ONCE(stdlib.h)
])
# fatal.m4 serial 1
dnl Copyright (C) 2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
AC_DEFUN([gl_FATAL],
[
dnl Prerequisites of lib/fatal.c.
AC_REQUIRE([AC_HEADER_STDC])
AC_CHECK_FUNCS_ONCE(doprnt vprintf)
])
# file-type.m4 serial 1
dnl Copyright (C) 2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
AC_DEFUN([gl_FILE_TYPE],
[
dnl Prerequisites of lib/file-type.h.
AC_REQUIRE([AC_HEADER_STAT])
])
# fileblocks.m4 serial 1
dnl Copyright (C) 2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
AC_DEFUN([gl_FILEBLOCKS],
[
AC_STRUCT_ST_BLOCKS
dnl Note: AC_STRUCT_ST_BLOCKS does AC_LIBOBJ(fileblocks).
if test $ac_cv_member_struct_stat_st_blocks = no; then
gl_PREREQ_FILEBLOCKS
fi
])
# Prerequisites of lib/fileblocks.c.
AC_DEFUN([gl_PREREQ_FILEBLOCKS], [
AC_CHECK_HEADERS_ONCE(sys/param.h unistd.h)
])
# filemode.m4 serial 1
dnl Copyright (C) 2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
AC_DEFUN([gl_FILEMODE],
[
dnl Prerequisites of lib/filemode.c.
AC_REQUIRE([AC_HEADER_STAT])
])
# getdate.m4 serial 1
dnl Copyright (C) 2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
AC_DEFUN([gl_GETDATE],
[
dnl Prerequisites of lib/getdate.h.
AC_HEADER_TIME
AC_CHECK_HEADERS_ONCE(sys/time.h)
dnl Prerequisites of lib/getdate.y.
AC_REQUIRE([jm_BISON])
AC_REQUIRE([AC_FUNC_ALLOCA])
AC_REQUIRE([AC_HEADER_STDC])
AC_CHECK_HEADERS_ONCE(stdlib.h string.h)
AC_CHECK_FUNCS_ONCE(isascii)
AC_STRUCT_TIMEZONE
AC_REQUIRE([gl_TM_GMTOFF])
])
# gethostname.m4 serial 1
dnl Copyright (C) 2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
AC_DEFUN([gl_FUNC_GETHOSTNAME],
[
AC_REPLACE_FUNCS(gethostname)
if test $ac_cv_func_gethostname = no; then
gl_PREREQ_GETHOSTNAME
fi
])
# Prerequisites of lib/gethostname.c.
AC_DEFUN([gl_PREREQ_GETHOSTNAME], [
AC_CHECK_FUNCS(uname)
])
# getopt.m4 serial 1
dnl Copyright (C) 2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
AC_DEFUN([gl_GETOPT],
[
dnl Prerequisites of lib/getopt.c.
AC_CHECK_HEADERS_ONCE(string.h)
])
# getpagesize.m4 serial 1
dnl Copyright (C) 2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
AC_DEFUN([gl_GETPAGESIZE],
[
dnl Prerequisites of lib/getpagesize.h.
AC_CHECK_HEADERS_ONCE(unistd.h)
AC_CHECK_HEADERS(OS.h)
AC_CHECK_FUNCS(getpagesize)
])
# getpass.m4 serial 1
dnl Copyright (C) 2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
AC_DEFUN([gl_FUNC_GETPASS],
[
AC_REPLACE_FUNCS(getpass)
if test $ac_cv_func_getpass = no; then
gl_PREREQ_GETPASS
fi
])
# Prerequisites of lib/getpass.c.
AC_DEFUN([gl_PREREQ_GETPASS], [
:
])
# getstr.m4 serial 1
dnl Copyright (C) 2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
AC_DEFUN([gl_GETSTR],
[
dnl Prerequisites of lib/getstr.c.
AC_REQUIRE([AC_HEADER_STDC])
])
This diff is collapsed.
# gettime.m4 serial 1
dnl Copyright (C) 2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
AC_DEFUN([gl_GETTIME],
[
dnl Prerequisites of lib/gettime.c.
# Need clock_gettime.
AC_REQUIRE([gl_CLOCK_TIME])
])
# getugroups.m4 serial 1
dnl Copyright (C) 2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
AC_DEFUN([gl_GETUGROUPS],
[
dnl Prerequisites of lib/getugroups.c.
AC_REQUIRE([AC_HEADER_STDC])
AC_CHECK_HEADERS_ONCE(string.h unistd.h)
AC_TYPE_GETGROUPS
])
# getusershell.m4 serial 1
dnl Copyright (C) 2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
AC_DEFUN([gl_FUNC_GETUSERSHELL],
[
AC_REPLACE_FUNCS(getusershell)
if test $ac_cv_func_getusershell = no; then
gl_PREREQ_GETUSERSHELL
fi
])
# Prerequisites of lib/getusershell.c.
AC_DEFUN([gl_PREREQ_GETUSERSHELL], [
AC_REQUIRE([AC_HEADER_STDC])
AC_CHECK_HEADERS_ONCE(stdlib.h)
AC_CHECK_FUNCS_ONCE(isascii)
])
# glibc21.m4 serial 2 (fileutils-4.1.3, gettext-0.10.40)
dnl Copyright (C) 2000-2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
# Test for the GNU C Library, version 2.1 or newer.
# From Bruno Haible.
AC_DEFUN([jm_GLIBC21],
[
AC_CACHE_CHECK(whether we are using the GNU C Library 2.1 or newer,
ac_cv_gnu_library_2_1,
[AC_EGREP_CPP([Lucky GNU user],
[
#include <features.h>
#ifdef __GNU_LIBRARY__
#if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2)
Lucky GNU user
#endif
#endif
],
ac_cv_gnu_library_2_1=yes,
ac_cv_gnu_library_2_1=no)
]
)
AC_SUBST(GLIBC21)
GLIBC21="$ac_cv_gnu_library_2_1"
]
)
# hard-locale.m4 serial 1
dnl Copyright (C) 2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
AC_DEFUN([gl_HARD_LOCALE],
[
dnl Prerequisites of lib/hard-locale.c.
AC_CHECK_HEADERS_ONCE(locale.h stdlib.h string.h)
AC_CHECK_FUNCS_ONCE(setlocale)
])
# hash.m4 serial 1
dnl Copyright (C) 2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
AC_DEFUN([gl_HASH],
[
dnl Prerequisites of lib/hash.c.
AC_CHECK_HEADERS_ONCE(stdlib.h)
AC_HEADER_STDBOOL
AC_CHECK_DECLS_ONCE(free malloc)
])
# human.m4 serial 1
dnl Copyright (C) 2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
AC_DEFUN([gl_HUMAN],
[
dnl Prerequisites of lib/human.h.
AC_REQUIRE([jm_AC_TYPE_UINTMAX_T])
dnl Prerequisites of lib/human.c.
AC_CHECK_HEADERS_ONCE(limits.h stdlib.h string.h)
AC_CHECK_DECLS_ONCE([getenv])
])
# iconv.m4 serial AM4 (gettext-0.11.3)
dnl Copyright (C) 2000-2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
dnl From Bruno Haible.
AC_DEFUN([AM_ICONV_LINKFLAGS_BODY],
[
dnl Prerequisites of AC_LIB_LINKFLAGS_BODY.
AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
AC_REQUIRE([AC_LIB_RPATH])
dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV
dnl accordingly.
AC_LIB_LINKFLAGS_BODY([iconv])
])
AC_DEFUN([AM_ICONV_LINK],
[
dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
dnl those with the standalone portable GNU libiconv installed).
dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV
dnl accordingly.
AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY])
dnl Add $INCICONV to CPPFLAGS before performing the following checks,
dnl because if the user has installed libiconv and not disabled its use
dnl via --without-libiconv-prefix, he wants to use it. The first
dnl AC_TRY_LINK will then fail, the second AC_TRY_LINK will succeed.
am_save_CPPFLAGS="$CPPFLAGS"
AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCICONV])
AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [
am_cv_func_iconv="no, consider installing GNU libiconv"
am_cv_lib_iconv=no
AC_TRY_LINK([#include <stdlib.h>
#include <iconv.h>],
[iconv_t cd = iconv_open("","");
iconv(cd,NULL,NULL,NULL,NULL);
iconv_close(cd);],
am_cv_func_iconv=yes)
if test "$am_cv_func_iconv" != yes; then
am_save_LIBS="$LIBS"
LIBS="$LIBS $LIBICONV"
AC_TRY_LINK([#include <stdlib.h>
#include <iconv.h>],
[iconv_t cd = iconv_open("","");
iconv(cd,NULL,NULL,NULL,NULL);
iconv_close(cd);],
am_cv_lib_iconv=yes
am_cv_func_iconv=yes)
LIBS="$am_save_LIBS"
fi
])
if test "$am_cv_func_iconv" = yes; then
AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
fi
if test "$am_cv_lib_iconv" = yes; then
AC_MSG_CHECKING([how to link with libiconv])
AC_MSG_RESULT([$LIBICONV])
else
dnl If $LIBICONV didn't lead to a usable library, we don't need $INCICONV
dnl either.
CPPFLAGS="$am_save_CPPFLAGS"
LIBICONV=
LTLIBICONV=
fi
AC_SUBST(LIBICONV)
AC_SUBST(LTLIBICONV)
])
AC_DEFUN([AM_ICONV],
[
AM_ICONV_LINK
if test "$am_cv_func_iconv" = yes; then
AC_MSG_CHECKING([for iconv declaration])
AC_CACHE_VAL(am_cv_proto_iconv, [
AC_TRY_COMPILE([
#include <stdlib.h>
#include <iconv.h>
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_arg1="", am_cv_proto_iconv_arg1="const")
am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
AC_MSG_RESULT([$]{ac_t:-
}[$]am_cv_proto_iconv)
AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
[Define as const if the declaration of iconv() needs const.])
fi
])
# idcache.m4 serial 1
dnl Copyright (C) 2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
AC_DEFUN([gl_IDCACHE],
[
dnl Prerequisites of lib/idcache.c.
AC_REQUIRE([AC_HEADER_STDC])
AC_CHECK_HEADERS_ONCE(string.h unistd.h)
])
# intdiv0.m4 serial 1 (gettext-0.11.3)
dnl Copyright (C) 2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
dnl From Bruno Haible.
AC_DEFUN([gt_INTDIV0],
[
AC_REQUIRE([AC_PROG_CC])dnl
AC_REQUIRE([AC_CANONICAL_HOST])dnl
AC_CACHE_CHECK([whether integer division by zero raises SIGFPE],
gt_cv_int_divbyzero_sigfpe,
[
AC_TRY_RUN([
#include <stdlib.h>
#include <signal.h>
static void
#ifdef __cplusplus
sigfpe_handler (int sig)
#else
sigfpe_handler (sig) int sig;
#endif
{
/* Exit with code 0 if SIGFPE, with code 1 if any other signal. */
exit (sig != SIGFPE);
}
int x = 1;
int y = 0;
int z;
int nan;
int main ()
{
signal (SIGFPE, sigfpe_handler);
/* IRIX and AIX (when "xlc -qcheck" is used) yield signal SIGTRAP. */
#if (defined (__sgi) || defined (_AIX)) && defined (SIGTRAP)
signal (SIGTRAP, sigfpe_handler);
#endif
/* Linux/SPARC yields signal SIGILL. */
#if defined (__sparc__) && defined (__linux__)
signal (SIGILL, sigfpe_handler);
#endif