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![Rémi Denis-Courmont](/assets/img/avatar_default.png)
The whole point of keeping the m4 and po/Makefile.in.in is to not need to have the same version all over the place anyway, otherwise we might as well put all these files to .gitignore... Remove some old m4 macros as well.
181 lines
6.0 KiB
Plaintext
181 lines
6.0 KiB
Plaintext
# iconv.m4 serial AM6 (gettext-0.17)
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dnl Copyright (C) 2000-2002, 2007 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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dnl From Bruno Haible.
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AC_DEFUN([AM_ICONV_LINKFLAGS_BODY],
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[
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dnl Prerequisites of AC_LIB_LINKFLAGS_BODY.
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AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
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AC_REQUIRE([AC_LIB_RPATH])
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dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV
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dnl accordingly.
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AC_LIB_LINKFLAGS_BODY([iconv])
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])
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AC_DEFUN([AM_ICONV_LINK],
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[
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dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
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dnl those with the standalone portable GNU libiconv installed).
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AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
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dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV
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dnl accordingly.
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AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY])
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dnl Add $INCICONV to CPPFLAGS before performing the following checks,
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dnl because if the user has installed libiconv and not disabled its use
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dnl via --without-libiconv-prefix, he wants to use it. The first
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dnl AC_TRY_LINK will then fail, the second AC_TRY_LINK will succeed.
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am_save_CPPFLAGS="$CPPFLAGS"
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AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCICONV])
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AC_CACHE_CHECK([for iconv], am_cv_func_iconv, [
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am_cv_func_iconv="no, consider installing GNU libiconv"
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am_cv_lib_iconv=no
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AC_TRY_LINK([#include <stdlib.h>
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#include <iconv.h>],
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[iconv_t cd = iconv_open("","");
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iconv(cd,NULL,NULL,NULL,NULL);
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iconv_close(cd);],
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am_cv_func_iconv=yes)
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if test "$am_cv_func_iconv" != yes; then
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am_save_LIBS="$LIBS"
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LIBS="$LIBS $LIBICONV"
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AC_TRY_LINK([#include <stdlib.h>
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#include <iconv.h>],
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[iconv_t cd = iconv_open("","");
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iconv(cd,NULL,NULL,NULL,NULL);
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iconv_close(cd);],
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am_cv_lib_iconv=yes
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am_cv_func_iconv=yes)
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LIBS="$am_save_LIBS"
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fi
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])
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if test "$am_cv_func_iconv" = yes; then
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AC_CACHE_CHECK([for working iconv], am_cv_func_iconv_works, [
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dnl This tests against bugs in AIX 5.1 and HP-UX 11.11.
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am_save_LIBS="$LIBS"
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if test $am_cv_lib_iconv = yes; then
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LIBS="$LIBS $LIBICONV"
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fi
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AC_TRY_RUN([
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#include <iconv.h>
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#include <string.h>
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int main ()
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{
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/* Test against AIX 5.1 bug: Failures are not distinguishable from successful
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returns. */
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{
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iconv_t cd_utf8_to_88591 = iconv_open ("ISO8859-1", "UTF-8");
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if (cd_utf8_to_88591 != (iconv_t)(-1))
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{
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static const char input[] = "\342\202\254"; /* EURO SIGN */
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char buf[10];
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const char *inptr = input;
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size_t inbytesleft = strlen (input);
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char *outptr = buf;
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size_t outbytesleft = sizeof (buf);
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size_t res = iconv (cd_utf8_to_88591,
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(char **) &inptr, &inbytesleft,
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&outptr, &outbytesleft);
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if (res == 0)
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return 1;
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}
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}
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#if 0 /* This bug could be worked around by the caller. */
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/* Test against HP-UX 11.11 bug: Positive return value instead of 0. */
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{
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iconv_t cd_88591_to_utf8 = iconv_open ("utf8", "iso88591");
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if (cd_88591_to_utf8 != (iconv_t)(-1))
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{
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static const char input[] = "\304rger mit b\366sen B\374bchen ohne Augenma\337";
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char buf[50];
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const char *inptr = input;
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size_t inbytesleft = strlen (input);
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char *outptr = buf;
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size_t outbytesleft = sizeof (buf);
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size_t res = iconv (cd_88591_to_utf8,
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(char **) &inptr, &inbytesleft,
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&outptr, &outbytesleft);
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if ((int)res > 0)
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return 1;
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}
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}
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#endif
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/* Test against HP-UX 11.11 bug: No converter from EUC-JP to UTF-8 is
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provided. */
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if (/* Try standardized names. */
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iconv_open ("UTF-8", "EUC-JP") == (iconv_t)(-1)
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/* Try IRIX, OSF/1 names. */
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&& iconv_open ("UTF-8", "eucJP") == (iconv_t)(-1)
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/* Try AIX names. */
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&& iconv_open ("UTF-8", "IBM-eucJP") == (iconv_t)(-1)
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/* Try HP-UX names. */
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&& iconv_open ("utf8", "eucJP") == (iconv_t)(-1))
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return 1;
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return 0;
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}], [am_cv_func_iconv_works=yes], [am_cv_func_iconv_works=no],
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[case "$host_os" in
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aix* | hpux*) am_cv_func_iconv_works="guessing no" ;;
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*) am_cv_func_iconv_works="guessing yes" ;;
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esac])
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LIBS="$am_save_LIBS"
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])
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case "$am_cv_func_iconv_works" in
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*no) am_func_iconv=no am_cv_lib_iconv=no ;;
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*) am_func_iconv=yes ;;
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esac
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else
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am_func_iconv=no am_cv_lib_iconv=no
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fi
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if test "$am_func_iconv" = yes; then
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AC_DEFINE(HAVE_ICONV, 1,
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[Define if you have the iconv() function and it works.])
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fi
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if test "$am_cv_lib_iconv" = yes; then
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AC_MSG_CHECKING([how to link with libiconv])
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AC_MSG_RESULT([$LIBICONV])
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else
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dnl If $LIBICONV didn't lead to a usable library, we don't need $INCICONV
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dnl either.
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CPPFLAGS="$am_save_CPPFLAGS"
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LIBICONV=
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LTLIBICONV=
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fi
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AC_SUBST(LIBICONV)
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AC_SUBST(LTLIBICONV)
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])
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AC_DEFUN([AM_ICONV],
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[
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AM_ICONV_LINK
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if test "$am_cv_func_iconv" = yes; then
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AC_MSG_CHECKING([for iconv declaration])
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AC_CACHE_VAL(am_cv_proto_iconv, [
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AC_TRY_COMPILE([
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#include <stdlib.h>
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#include <iconv.h>
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extern
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#ifdef __cplusplus
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"C"
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#endif
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#if defined(__STDC__) || defined(__cplusplus)
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size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
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#else
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size_t iconv();
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#endif
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], [], am_cv_proto_iconv_arg1="", am_cv_proto_iconv_arg1="const")
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am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
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am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
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AC_MSG_RESULT([$]{ac_t:-
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}[$]am_cv_proto_iconv)
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AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
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[Define as const if the declaration of iconv() needs const.])
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fi
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])
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