215 lines
7.3 KiB
Plaintext
215 lines
7.3 KiB
Plaintext
|
# iconv.m4 serial 11 (gettext-0.18.1)
|
||
|
|
dnl Copyright (C) 2000-2002, 2007-2010 Free Software Foundation, Inc.
|
||
|
|
dnl This file is free software; the Free Software Foundation
|
||
|
|
dnl gives unlimited permission to copy and/or distribute it,
|
||
|
|
dnl with or without modifications, as long as this notice is preserved.
|
||
|
|
|
||
|
|
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).
|
||
|
|
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
|
||
|
|
|
||
|
|
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 "$am_cv_func_iconv" = yes; then
|
||
|
|
AC_CACHE_CHECK([for working iconv], [am_cv_func_iconv_works], [
|
||
|
|
dnl This tests against bugs in AIX 5.1, HP-UX 11.11, Solaris 10.
|
||
|
|
am_save_LIBS="$LIBS"
|
||
|
|
if test $am_cv_lib_iconv = yes; then
|
||
|
|
LIBS="$LIBS $LIBICONV"
|
||
|
|
fi
|
||
|
|
AC_TRY_RUN([
|
||
|
|
#include <iconv.h>
|
||
|
|
#include <string.h>
|
||
|
|
int main ()
|
||
|
|
{
|
||
|
|
/* Test against AIX 5.1 bug: Failures are not distinguishable from successful
|
||
|
|
returns. */
|
||
|
|
{
|
||
|
|
iconv_t cd_utf8_to_88591 = iconv_open ("ISO8859-1", "UTF-8");
|
||
|
|
if (cd_utf8_to_88591 != (iconv_t)(-1))
|
||
|
|
{
|
||
|
|
static const char input[] = "\342\202\254"; /* EURO SIGN */
|
||
|
|
char buf[10];
|
||
|
|
const char *inptr = input;
|
||
|
|
size_t inbytesleft = strlen (input);
|
||
|
|
char *outptr = buf;
|
||
|
|
size_t outbytesleft = sizeof (buf);
|
||
|
|
size_t res = iconv (cd_utf8_to_88591,
|
||
|
|
(char **) &inptr, &inbytesleft,
|
||
|
|
&outptr, &outbytesleft);
|
||
|
|
if (res == 0)
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
/* Test against Solaris 10 bug: Failures are not distinguishable from
|
||
|
|
successful returns. */
|
||
|
|
{
|
||
|
|
iconv_t cd_ascii_to_88591 = iconv_open ("ISO8859-1", "646");
|
||
|
|
if (cd_ascii_to_88591 != (iconv_t)(-1))
|
||
|
|
{
|
||
|
|
static const char input[] = "\263";
|
||
|
|
char buf[10];
|
||
|
|
const char *inptr = input;
|
||
|
|
size_t inbytesleft = strlen (input);
|
||
|
|
char *outptr = buf;
|
||
|
|
size_t outbytesleft = sizeof (buf);
|
||
|
|
size_t res = iconv (cd_ascii_to_88591,
|
||
|
|
(char **) &inptr, &inbytesleft,
|
||
|
|
&outptr, &outbytesleft);
|
||
|
|
if (res == 0)
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#if 0 /* This bug could be worked around by the caller. */
|
||
|
|
/* Test against HP-UX 11.11 bug: Positive return value instead of 0. */
|
||
|
|
{
|
||
|
|
iconv_t cd_88591_to_utf8 = iconv_open ("utf8", "iso88591");
|
||
|
|
if (cd_88591_to_utf8 != (iconv_t)(-1))
|
||
|
|
{
|
||
|
|
static const char input[] = "\304rger mit b\366sen B\374bchen ohne Augenma\337";
|
||
|
|
char buf[50];
|
||
|
|
const char *inptr = input;
|
||
|
|
size_t inbytesleft = strlen (input);
|
||
|
|
char *outptr = buf;
|
||
|
|
size_t outbytesleft = sizeof (buf);
|
||
|
|
size_t res = iconv (cd_88591_to_utf8,
|
||
|
|
(char **) &inptr, &inbytesleft,
|
||
|
|
&outptr, &outbytesleft);
|
||
|
|
if ((int)res > 0)
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
/* Test against HP-UX 11.11 bug: No converter from EUC-JP to UTF-8 is
|
||
|
|
provided. */
|
||
|
|
if (/* Try standardized names. */
|
||
|
|
iconv_open ("UTF-8", "EUC-JP") == (iconv_t)(-1)
|
||
|
|
/* Try IRIX, OSF/1 names. */
|
||
|
|
&& iconv_open ("UTF-8", "eucJP") == (iconv_t)(-1)
|
||
|
|
/* Try AIX names. */
|
||
|
|
&& iconv_open ("UTF-8", "IBM-eucJP") == (iconv_t)(-1)
|
||
|
|
/* Try HP-UX names. */
|
||
|
|
&& iconv_open ("utf8", "eucJP") == (iconv_t)(-1))
|
||
|
|
return 1;
|
||
|
|
return 0;
|
||
|
|
}], [am_cv_func_iconv_works=yes], [am_cv_func_iconv_works=no],
|
||
|
|
[case "$host_os" in
|
||
|
|
aix* | hpux*) am_cv_func_iconv_works="guessing no" ;;
|
||
|
|
*) am_cv_func_iconv_works="guessing yes" ;;
|
||
|
|
esac])
|
||
|
|
LIBS="$am_save_LIBS"
|
||
|
|
])
|
||
|
|
case "$am_cv_func_iconv_works" in
|
||
|
|
*no) am_func_iconv=no am_cv_lib_iconv=no ;;
|
||
|
|
*) am_func_iconv=yes ;;
|
||
|
|
esac
|
||
|
|
else
|
||
|
|
am_func_iconv=no am_cv_lib_iconv=no
|
||
|
|
fi
|
||
|
|
if test "$am_func_iconv" = yes; then
|
||
|
|
AC_DEFINE([HAVE_ICONV], [1],
|
||
|
|
[Define if you have the iconv() function and it works.])
|
||
|
|
fi
|
||
|
|
if test "$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])
|
||
|
|
])
|
||
|
|
|
||
|
|
dnl Define AM_ICONV using AC_DEFUN_ONCE for Autoconf >= 2.64, in order to
|
||
|
|
dnl avoid warnings like
|
||
|
|
dnl "warning: AC_REQUIRE: `AM_ICONV' was expanded before it was required".
|
||
|
|
dnl This is tricky because of the way 'aclocal' is implemented:
|
||
|
|
dnl - It requires defining an auxiliary macro whose name ends in AC_DEFUN.
|
||
|
|
dnl Otherwise aclocal's initial scan pass would miss the macro definition.
|
||
|
|
dnl - It requires a line break inside the AC_DEFUN_ONCE and AC_DEFUN expansions.
|
||
|
|
dnl Otherwise aclocal would emit many "Use of uninitialized value $1"
|
||
|
|
dnl warnings.
|
||
|
|
m4_define([gl_iconv_AC_DEFUN],
|
||
|
|
m4_version_prereq([2.64],
|
||
|
|
[[AC_DEFUN_ONCE(
|
||
|
|
[$1], [$2])]],
|
||
|
|
[[AC_DEFUN(
|
||
|
|
[$1], [$2])]]))
|
||
|
|
gl_iconv_AC_DEFUN([AM_ICONV],
|
||
|
|
[
|
||
|
|
AM_ICONV_LINK
|
||
|
|
if test "$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([
|
||
|
|
$am_cv_proto_iconv])
|
||
|
|
AC_DEFINE_UNQUOTED([ICONV_CONST], [$am_cv_proto_iconv_arg1],
|
||
|
|
[Define as const if the declaration of iconv() needs const.])
|
||
|
|
fi
|
||
|
|
])
|