ceilf-ieee: Work around bug on MacOS X 10.5.

[pspp] / m4 / mbsinit.m4

diff --git a/m4/mbsinit.m4 b/m4/mbsinit.m4
index f19ec0c7a76c9c915007f9fbe56ab3f0c5e6d999..d364b7e0fe5bb90887b198d79a339e9fd7661a10 100644 (file)
--- a/m4/mbsinit.m4
+++ b/m4/mbsinit.m4
@@ -1,5 +1,5 @@
-# mbsinit.m4 serial 14
-dnl Copyright (C) 2008 Free Software Foundation, Inc.
+# mbsinit.m4 serial 7
+dnl Copyright (C) 2008, 2010-2011 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.
@@ -7,13 +7,25 @@ dnl with or without modifications, as long as this notice is preserved.
 AC_DEFUN([gl_FUNC_MBSINIT],
 [
   AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
+  AC_REQUIRE([AC_CANONICAL_HOST])
 
   AC_REQUIRE([AC_TYPE_MBSTATE_T])
+  gl_MBSTATE_T_BROKEN
+
   AC_CHECK_FUNCS_ONCE([mbsinit])
   if test $ac_cv_func_mbsinit = no; then
     HAVE_MBSINIT=0
-    AC_LIBOBJ([mbsinit])
-    gl_PREREQ_MBSINIT
+  else
+    if test $REPLACE_MBSTATE_T = 1; then
+      REPLACE_MBSINIT=1
+    else
+      dnl On mingw, mbsinit() always returns 1, which is inappropriate for
+      dnl states produced by mbrtowc() for an incomplete multibyte character
+      dnl in multibyte locales.
+      case "$host_os" in
+        mingw*) REPLACE_MBSINIT=1 ;;
+      esac
+    fi
   fi
 ])