-# iconv.m4 serial 11 (gettext-0.18.1)
-dnl Copyright (C) 2000-2002, 2007-2010 Free Software Foundation, Inc.
+# iconv.m4 serial 18 (gettext-0.18.2)
+dnl Copyright (C) 2000-2002, 2007-2012 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 Add $INCICONV to CPPFLAGS before performing the following checks,
dnl because if the user has installed libiconv and not disabled its use
dnl via --without-libiconv-prefix, he wants to use it. The first
- dnl AC_TRY_LINK will then fail, the second AC_TRY_LINK will succeed.
+ dnl AC_LINK_IFELSE will then fail, the second AC_LINK_IFELSE will succeed.
am_save_CPPFLAGS="$CPPFLAGS"
AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCICONV])
AC_CACHE_CHECK([for iconv], [am_cv_func_iconv], [
am_cv_func_iconv="no, consider installing GNU libiconv"
am_cv_lib_iconv=no
- AC_TRY_LINK([#include <stdlib.h>
-#include <iconv.h>],
- [iconv_t cd = iconv_open("","");
- iconv(cd,NULL,NULL,NULL,NULL);
- iconv_close(cd);],
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[
+#include <stdlib.h>
+#include <iconv.h>
+ ]],
+ [[iconv_t cd = iconv_open("","");
+ iconv(cd,NULL,NULL,NULL,NULL);
+ iconv_close(cd);]])],
[am_cv_func_iconv=yes])
if test "$am_cv_func_iconv" != yes; then
am_save_LIBS="$LIBS"
LIBS="$LIBS $LIBICONV"
- AC_TRY_LINK([#include <stdlib.h>
-#include <iconv.h>],
- [iconv_t cd = iconv_open("","");
- iconv(cd,NULL,NULL,NULL,NULL);
- iconv_close(cd);],
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[
+#include <stdlib.h>
+#include <iconv.h>
+ ]],
+ [[iconv_t cd = iconv_open("","");
+ iconv(cd,NULL,NULL,NULL,NULL);
+ iconv_close(cd);]])],
[am_cv_lib_iconv=yes]
[am_cv_func_iconv=yes])
LIBS="$am_save_LIBS"
])
if test "$am_cv_func_iconv" = yes; then
AC_CACHE_CHECK([for working iconv], [am_cv_func_iconv_works], [
- dnl This tests against bugs in AIX 5.1, HP-UX 11.11, Solaris 10.
+ dnl This tests against bugs in AIX 5.1, AIX 6.1..7.1, HP-UX 11.11,
+ dnl Solaris 10.
am_save_LIBS="$LIBS"
if test $am_cv_lib_iconv = yes; then
LIBS="$LIBS $LIBICONV"
fi
- AC_TRY_RUN([
+ AC_RUN_IFELSE(
+ [AC_LANG_SOURCE([[
#include <iconv.h>
#include <string.h>
int main ()
{
+ int result = 0;
/* Test against AIX 5.1 bug: Failures are not distinguishable from successful
returns. */
{
(char **) &inptr, &inbytesleft,
&outptr, &outbytesleft);
if (res == 0)
- return 1;
+ result |= 1;
+ iconv_close (cd_utf8_to_88591);
}
}
/* Test against Solaris 10 bug: Failures are not distinguishable from
(char **) &inptr, &inbytesleft,
&outptr, &outbytesleft);
if (res == 0)
- return 1;
+ result |= 2;
+ iconv_close (cd_ascii_to_88591);
+ }
+ }
+ /* Test against AIX 6.1..7.1 bug: Buffer overrun. */
+ {
+ iconv_t cd_88591_to_utf8 = iconv_open ("UTF-8", "ISO-8859-1");
+ if (cd_88591_to_utf8 != (iconv_t)(-1))
+ {
+ static const char input[] = "\304";
+ static char buf[2] = { (char)0xDE, (char)0xAD };
+ const char *inptr = input;
+ size_t inbytesleft = 1;
+ char *outptr = buf;
+ size_t outbytesleft = 1;
+ size_t res = iconv (cd_88591_to_utf8,
+ (char **) &inptr, &inbytesleft,
+ &outptr, &outbytesleft);
+ if (res != (size_t)(-1) || outptr - buf > 1 || buf[1] != (char)0xAD)
+ result |= 4;
+ iconv_close (cd_88591_to_utf8);
}
}
#if 0 /* This bug could be worked around by the caller. */
(char **) &inptr, &inbytesleft,
&outptr, &outbytesleft);
if ((int)res > 0)
- return 1;
+ result |= 8;
+ iconv_close (cd_88591_to_utf8);
}
}
#endif
&& iconv_open ("UTF-8", "IBM-eucJP") == (iconv_t)(-1)
/* Try HP-UX names. */
&& iconv_open ("utf8", "eucJP") == (iconv_t)(-1))
- return 1;
- return 0;
-}], [am_cv_func_iconv_works=yes], [am_cv_func_iconv_works=no],
- [case "$host_os" in
+ result |= 16;
+ return result;
+}]])],
+ [am_cv_func_iconv_works=yes],
+ [am_cv_func_iconv_works=no],
+ [
+changequote(,)dnl
+ case "$host_os" in
aix* | hpux*) am_cv_func_iconv_works="guessing no" ;;
*) am_cv_func_iconv_works="guessing yes" ;;
- esac])
+ esac
+changequote([,])dnl
+ ])
LIBS="$am_save_LIBS"
])
case "$am_cv_func_iconv_works" in
m4_version_prereq([2.64],
[[AC_DEFUN_ONCE(
[$1], [$2])]],
- [[AC_DEFUN(
- [$1], [$2])]]))
+ [m4_ifdef([gl_00GNULIB],
+ [[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([
+ AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[
#include <stdlib.h>
#include <iconv.h>
extern
#ifdef __cplusplus
"C"
#endif
-#if defined(__STDC__) || defined(__cplusplus)
+#if defined(__STDC__) || defined(_MSC_VER) || 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_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.])
+ dnl Also substitute ICONV_CONST in the gnulib generated <iconv.h>.
+ m4_ifdef([gl_ICONV_H_DEFAULTS],
+ [AC_REQUIRE([gl_ICONV_H_DEFAULTS])
+ if test -n "$am_cv_proto_iconv_arg1"; then
+ ICONV_CONST="const"
+ fi
+ ])
fi
])
git://wimlib.net / wimlib / blobdiff