X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fmmap-anon.m4;h=fd8a5370b37ab9e71867d34148d8c505298c1358;hb=c2546905a0f3958439581290d150c9ae4ae52a50;hp=2abbe5589887252dc53fc038e753ee681a4305b2;hpb=5a8e6f05f64341950627147bd9ecb68e1b90b77c;p=gnulib.git

diff --git a/m4/mmap-anon.m4 b/m4/mmap-anon.m4
index 2abbe5589..fd8a5370b 100644
--- a/m4/mmap-anon.m4
+++ b/m4/mmap-anon.m4
@@ -1,4 +1,4 @@
-# mmap-anon.m4 serial 1
+# mmap-anon.m4 serial 3
 dnl Copyright (C) 2005 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -27,8 +27,8 @@ AC_DEFUN([gl_FUNC_MMAP_ANON],
 #endif
 ],
       [gl_have_mmap_anonymous=yes])
-    if test $gl_have_mmap_anonymous = no; then
-      AC_EGREP_HEADER([MAP_ANON], [
+    if test $gl_have_mmap_anonymous != yes; then
+      AC_EGREP_CPP([I cant identify this map.], [
 #include <sys/mman.h>
 #ifdef MAP_ANON
     I cant identify this map.
@@ -44,16 +44,5 @@ AC_DEFUN([gl_FUNC_MMAP_ANON],
         [Define to 1 if mmap()'s MAP_ANONYMOUS flag is available after including
          config.h and <sys/mman.h>.])
     fi
-
-    AH_VERBATIM([MAP_FILE],
-[/* Define MAP_FILE when it isn't otherwise.  */
-#ifndef MAP_FILE
-# define MAP_FILE 0
-#endif
-
-/* Define MAP_FAILED for old systems which neglect to.  */
-#ifndef MAP_FAILED
-# define MAP_FAILED ((void *)-1)
-#endif])
   fi
 ])