added missing dependencies to fix failing unistr/ tests

[gnulib.git] / m4 / fopen.m4

diff --git a/m4/fopen.m4 b/m4/fopen.m4
index bc62268..757d4a1 100644 (file)
--- a/m4/fopen.m4
+++ b/m4/fopen.m4
@@ -1,5 +1,5 @@
-# fopen.m4 serial 4
-dnl Copyright (C) 2007-2009 Free Software Foundation, Inc.
+# fopen.m4 serial 6
+dnl Copyright (C) 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.
@@ -10,8 +10,10 @@ AC_DEFUN([gl_FUNC_FOPEN],
   AC_REQUIRE([AC_CANONICAL_HOST])
   case "$host_os" in
     mingw* | pw*)
+      dnl Replace fopen, for handling of "/dev/null".
       REPLACE_FOPEN=1
-      AC_LIBOBJ([fopen])
+      dnl fopen on mingw also has the trailing slash bug.
+      gl_cv_func_fopen_slash="guessing no"
       ;;
     *)
       dnl fopen("foo/", "w") should not create a file when the file name has a
@@ -29,25 +31,28 @@ int main ()
             [
 changequote(,)dnl
              case "$host_os" in
-               solaris2.[0-9]*) gl_cv_func_fopen_slash="guessing no" ;;
-               hpux*)           gl_cv_func_fopen_slash="guessing no" ;;
-               *)               gl_cv_func_fopen_slash="guessing yes" ;;
+               aix* | hpux* | solaris2.[0-9]*)
+                 gl_cv_func_fopen_slash="guessing no" ;;
+               *)
+                 gl_cv_func_fopen_slash="guessing yes" ;;
              esac
 changequote([,])dnl
             ])
           rm -f conftest.sl
         ])
-      case "$gl_cv_func_fopen_slash" in
-        *no)
-          AC_DEFINE([FOPEN_TRAILING_SLASH_BUG], [1],
-            [Define to 1 if fopen() fails to recognize a trailing slash.])
-          REPLACE_FOPEN=1
-          AC_LIBOBJ([fopen])
-          gl_PREREQ_FOPEN
-          ;;
-      esac
       ;;
   esac
+  case "$gl_cv_func_fopen_slash" in
+    *no)
+      AC_DEFINE([FOPEN_TRAILING_SLASH_BUG], [1],
+        [Define to 1 if fopen() fails to recognize a trailing slash.])
+      REPLACE_FOPEN=1
+      ;;
+  esac
+  if test $REPLACE_FOPEN = 1; then
+    AC_LIBOBJ([fopen])
+    gl_PREREQ_FOPEN
+  fi
 ])
 
 # Prerequisites of lib/fopen.c.