From 63d8cbd8bc6864db13618f5288204d134b13062d Mon Sep 17 00:00:00 2001
From: alex <alex@b3059339-0415-0410-9bf9-f77b7e298cf2>
Date: Fri, 21 Jan 2005 21:32:15 +0000
Subject: [PATCH] better test for MAP_FAILED by Ian Lindsay

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@14567 b3059339-0415-0410-9bf9-f77b7e298cf2
---
 configure | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/configure b/configure
index 9ce3788aa9..3e3ea9f229 100755
--- a/configure
+++ b/configure
@@ -2618,6 +2618,19 @@ else
 fi
 echores "$_mman"
 
+cat > $TMPC << EOF
+#include <sys/types.h>
+#include <sys/mman.h>
+int main(void) { void *p = MAP_FAILED; return 0; }
+EOF
+_mman_has_map_failed=no
+cc_check && _mman_has_map_failed=yes
+if test "$_mman_has_map_failed" = yes ; then
+  _def_mman_has_map_failed=''
+else
+  _def_mman_has_map_failed='#define MAP_FAILED ((void *) -1)'
+fi
+
 echocheck "dynamic loader"
 cat > $TMPC << EOF
 #include <dlfcn.h>
@@ -6806,11 +6819,6 @@ cat > config.h << EOF
 /* use GNU internationalization */
 $_def_i18n
 
-/* missing mmap function on libc5 systems */
-#ifndef MAP_FAILED
-# define MAP_FAILED     ((void *) -1)
-#endif
-
 /* Runtime CPU detection */
 $_def_runtime_cpudetection
 
@@ -6977,6 +6985,7 @@ $_def_alloca
 
 /* Define this if your system has the "sys/mman.h" header file */
 $_def_mman
+$_def_mman_has_map_failed
 
 /* Define this if you have the elf dynamic linker -ldl library */
 $_def_dl