Sync with the latest Gnulib code (177f525)

[nagiosplug.git] / gl / m4 / iconv.m4

diff --git a/gl/m4/iconv.m4 b/gl/m4/iconv.m4
index 66bc76f48c9c58e76f65373368ddc94357e5b1f0..f46ff1421541e2a8b0bef692bc3299a902f5226d 100644 (file)
--- a/gl/m4/iconv.m4
+++ b/gl/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 9 (gettext-0.18)
+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
@@ -147,8 +166,8 @@ int main ()
     LIBICONV=
     LTLIBICONV=
   fi
-  AC_SUBST(LIBICONV)
-  AC_SUBST(LTLIBICONV)
+  AC_SUBST([LIBICONV])
+  AC_SUBST([LTLIBICONV])
 ])
 
 AC_DEFUN([AM_ICONV],
@@ -156,7 +175,7 @@ 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 +188,12 @@ 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
 ])