From 12de17db02dca026fea1e2aee57ebdca97784292 Mon Sep 17 00:00:00 2001
From: Reid Spencer <rspencer@reidspencer.com>
Date: Sun, 19 Sep 2004 22:31:49 +0000
Subject: Bring the script out of the dark ages and into modern autoconfness.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16415 91177308-0d34-0410-b5e6-96231b3b80d8
---
 autoconf/m4/func_mmap_file.m4 | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

(limited to 'autoconf/m4/func_mmap_file.m4')

diff --git a/autoconf/m4/func_mmap_file.m4 b/autoconf/m4/func_mmap_file.m4
index 707a1d1..96b5173 100644
--- a/autoconf/m4/func_mmap_file.m4
+++ b/autoconf/m4/func_mmap_file.m4
@@ -4,9 +4,8 @@
 AC_DEFUN([AC_FUNC_MMAP_FILE],
 [AC_CACHE_CHECK(for mmap of files,
 ac_cv_func_mmap_file,
-[AC_LANG_SAVE
-  AC_LANG_C
-  AC_TRY_RUN([
+[ AC_LANG_PUSH([C])
+  AC_RUN_IFELSE([
 #ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
 #endif
@@ -22,8 +21,8 @@ ac_cv_func_mmap_file,
   int fd;
   int main () {
   fd = creat ("foo",0777); fd = (int) mmap (0, 1, PROT_READ, MAP_SHARED, fd, 0); unlink ("foo"); return (fd != (int) MAP_FAILED);}],
-  ac_cv_func_mmap_file=yes, ac_cv_func_mmap_file=no)
-  AC_LANG_RESTORE
+  ac_cv_func_mmap_file=yes, ac_cv_func_mmap_file=no, ac_cv_func_mmap_file=no)
+  AC_LANG_POP([C])
 ])
 if test "$ac_cv_func_mmap_file" = yes; then
    AC_DEFINE([HAVE_MMAP_FILE],[],[Define if mmap() can map files into memory])
-- 
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