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-rw-r--r--m4/iconv.m468
1 files changed, 51 insertions, 17 deletions
diff --git a/m4/iconv.m4 b/m4/iconv.m4
index 66bc76f..e2041b9 100644
--- a/m4/iconv.m4
+++ b/m4/iconv.m4
@@ -1,5 +1,5 @@
-# iconv.m4 serial AM6 (gettext-0.17)
-dnl Copyright (C) 2000-2002, 2007 Free Software Foundation, Inc.
+# 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.
@@ -34,7 +34,7 @@ AC_DEFUN([AM_ICONV_LINK],
am_save_CPPFLAGS="$CPPFLAGS"
AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCICONV])
- AC_CACHE_CHECK([for iconv], am_cv_func_iconv, [
+ 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>
@@ -42,7 +42,7 @@ AC_DEFUN([AM_ICONV_LINK],
[iconv_t cd = iconv_open("","");
iconv(cd,NULL,NULL,NULL,NULL);
iconv_close(cd);],
- am_cv_func_iconv=yes)
+ [am_cv_func_iconv=yes])
if test "$am_cv_func_iconv" != yes; then
am_save_LIBS="$LIBS"
LIBS="$LIBS $LIBICONV"
@@ -51,14 +51,14 @@ AC_DEFUN([AM_ICONV_LINK],
[iconv_t cd = iconv_open("","");
iconv(cd,NULL,NULL,NULL,NULL);
iconv_close(cd);],
- am_cv_lib_iconv=yes
- am_cv_func_iconv=yes)
+ [am_cv_lib_iconv=yes]
+ [am_cv_func_iconv=yes])
LIBS="$am_save_LIBS"
fi
])
if test "$am_cv_func_iconv" = yes; then
- AC_CACHE_CHECK([for working iconv], am_cv_func_iconv_works, [
- dnl This tests against bugs in AIX 5.1 and HP-UX 11.11.
+ AC_CACHE_CHECK([for working iconv], [am_cv_func_iconv_works], [
+ dnl This tests against bugs in AIX 5.1, HP-UX 11.11, Solaris 10.
am_save_LIBS="$LIBS"
if test $am_cv_lib_iconv = yes; then
LIBS="$LIBS $LIBICONV"
@@ -87,6 +87,25 @@ int main ()
return 1;
}
}
+ /* Test against Solaris 10 bug: Failures are not distinguishable from
+ successful returns. */
+ {
+ iconv_t cd_ascii_to_88591 = iconv_open ("ISO8859-1", "646");
+ if (cd_ascii_to_88591 != (iconv_t)(-1))
+ {
+ static const char input[] = "\263";
+ char buf[10];
+ const char *inptr = input;
+ size_t inbytesleft = strlen (input);
+ char *outptr = buf;
+ size_t outbytesleft = sizeof (buf);
+ size_t res = iconv (cd_ascii_to_88591,
+ (char **) &inptr, &inbytesleft,
+ &outptr, &outbytesleft);
+ if (res == 0)
+ return 1;
+ }
+ }
#if 0 /* This bug could be worked around by the caller. */
/* Test against HP-UX 11.11 bug: Positive return value instead of 0. */
{
@@ -134,7 +153,7 @@ int main ()
am_func_iconv=no am_cv_lib_iconv=no
fi
if test "$am_func_iconv" = yes; then
- AC_DEFINE(HAVE_ICONV, 1,
+ AC_DEFINE([HAVE_ICONV], [1],
[Define if you have the iconv() function and it works.])
fi
if test "$am_cv_lib_iconv" = yes; then
@@ -147,16 +166,31 @@ int main ()
LIBICONV=
LTLIBICONV=
fi
- AC_SUBST(LIBICONV)
- AC_SUBST(LTLIBICONV)
+ AC_SUBST([LIBICONV])
+ AC_SUBST([LTLIBICONV])
])
-AC_DEFUN([AM_ICONV],
+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_CACHE_VAL([am_cv_proto_iconv], [
AC_TRY_COMPILE([
#include <stdlib.h>
#include <iconv.h>
@@ -169,12 +203,12 @@ size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, si
#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([$]{ac_t:-
- }[$]am_cv_proto_iconv)
- AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
+ 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
])