-#serial 3
+# 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(jm_ICONV,
+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).
- AC_CACHE_CHECK(for iconv, jm_cv_func_iconv, [
- jm_cv_func_iconv="no, consider installing GNU libiconv"
- jm_cv_lib_iconv=no
+
+ 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], [$INCICONV])
+
+ AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [
+ am_cv_func_iconv="no, consider installing GNU libiconv"
+ am_cv_lib_iconv=no
AC_TRY_LINK([#include <stdlib.h>
#include <iconv.h>],
[iconv_t cd = iconv_open("","");
iconv(cd,NULL,NULL,NULL,NULL);
iconv_close(cd);],
- jm_cv_func_iconv=yes)
- if test "$jm_cv_func_iconv" != yes; then
- jm_save_LIBS="$LIBS"
- LIBS="$LIBS -liconv"
+ am_cv_func_iconv=yes)
+ if test "$am_cv_func_iconv" != yes; then
+ am_save_LIBS="$LIBS"
+ LIBS="$LIBS $LIBICONV"
AC_TRY_LINK([#include <stdlib.h>
#include <iconv.h>],
[iconv_t cd = iconv_open("","");
iconv(cd,NULL,NULL,NULL,NULL);
iconv_close(cd);],
- jm_cv_lib_iconv=yes
- jm_cv_func_iconv=yes)
- LIBS="$jm_save_LIBS"
+ am_cv_lib_iconv=yes
+ am_cv_func_iconv=yes)
+ LIBS="$am_save_LIBS"
fi
])
- if test "$jm_cv_func_iconv" = yes; then
+ 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(jm_cv_proto_iconv, [
+ AC_CACHE_VAL(am_cv_proto_iconv, [
AC_TRY_COMPILE([
#include <stdlib.h>
#include <iconv.h>
"C"
#endif
#if defined(__STDC__) || defined(__cplusplus)
-size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t* outbytesleft);
+size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
#else
size_t iconv();
#endif
-], [], jm_cv_proto_iconv_arg1="", jm_cv_proto_iconv_arg1="const")
- jm_cv_proto_iconv="extern size_t iconv (iconv_t cd, $jm_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t* outbytesleft);"])
- jm_cv_proto_iconv=`echo "[$]jm_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
+], [], 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([$]{ac_t:-
- }[$]jm_cv_proto_iconv)
- AC_DEFINE_UNQUOTED(ICONV_CONST, $jm_cv_proto_iconv_arg1,
+ }[$]am_cv_proto_iconv)
+ AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
[Define as const if the declaration of iconv() needs const.])
fi
- LIBICONV=
- if test "$jm_cv_lib_iconv" = yes; then
- LIBICONV="-liconv"
- fi
- AC_SUBST(LIBICONV)
])