X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Ficonv.m4;h=085cd068f52f3cdd43eda5678cbf63ffb2d4d136;hb=7f68b5ace68d29f3627ce2e3a1e8966aea5ec778;hp=b7f5bfe8b65c001cb0991669829366a500acbaeb;hpb=ec062d7a2671739dd977ebde3965fc93f8678a2e;p=gnulib.git

diff --git a/m4/iconv.m4 b/m4/iconv.m4
index b7f5bfe8b..085cd068f 100644
--- a/m4/iconv.m4
+++ b/m4/iconv.m4
@@ -1,5 +1,5 @@
-# iconv.m4 serial 11c
-dnl Copyright (C) 2000-2002, 2007-2010 Free Software Foundation, Inc.
+# iconv.m4 serial 17 (gettext-0.18.2)
+dnl Copyright (C) 2000-2002, 2007-2011 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.
@@ -72,11 +72,13 @@ AC_DEFUN([AM_ICONV_LINK],
       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.  */
   {
@@ -93,7 +95,8 @@ int main ()
                             (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
@@ -112,7 +115,8 @@ int main ()
                             (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.  */
@@ -130,7 +134,8 @@ int main ()
                             (char **) &inptr, &inbytesleft,
                             &outptr, &outbytesleft);
         if (res != (size_t)(-1) || outptr - buf > 1 || buf[1] != (char)0xAD)
-          return 1;
+          result |= 4;
+        iconv_close (cd_88591_to_utf8);
       }
   }
 #if 0 /* This bug could be worked around by the caller.  */
@@ -149,7 +154,8 @@ int main ()
                             (char **) &inptr, &inbytesleft,
                             &outptr, &outbytesleft);
         if ((int)res > 0)
-          return 1;
+          result |= 8;
+        iconv_close (cd_88591_to_utf8);
       }
   }
 #endif
@@ -163,9 +169,11 @@ int main ()
       && 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],
+    result |= 16;
+  return result;
+}]])],
+        [am_cv_func_iconv_works=yes],
+        [am_cv_func_iconv_works=no],
         [
 changequote(,)dnl
          case "$host_os" in
@@ -214,8 +222,11 @@ m4_define([gl_iconv_AC_DEFUN],
   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
@@ -246,5 +257,12 @@ size_t iconv();
          $am_cv_proto_iconv])
     AC_DEFINE_UNQUOTED([ICONV_CONST], [$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
 ])