From f3ecf3a40c07d52c6d7817e0dfa75fa38e33e0d3 Mon Sep 17 00:00:00 2001
From: John Criswell <criswell@uiuc.edu>
Date: Thu, 27 May 2004 00:57:50 +0000
Subject: [PATCH] Only give warnings if the user doesn't have mmap().  This is
 pretty much a hack that allows users to fight through a build if they don't
 have mmap(). When I get into the office, I'll make something better.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13801 91177308-0d34-0410-b5e6-96231b3b80d8
---
 autoconf/configure.ac |  4 ++--
 configure             | 10 ++++------
 2 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/autoconf/configure.ac b/autoconf/configure.ac
index 8b4aef57887..464336e3123 100644
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -273,12 +273,12 @@ AC_FUNC_ALLOCA
 AC_FUNC_MMAP
 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
 then
-	AC_MSG_ERROR([mmap() required but not found])
+	AC_MSG_WARN([mmap() required but not found])
 fi
 AC_FUNC_MMAP_FILE
 if test "$ac_cv_func_mmap_file" = "no"
 then
-	AC_MSG_ERROR([mmap() of files required but not found])
+	AC_MSG_WARN([mmap() of files required but not found])
 fi
 AC_HEADER_MMAP_ANONYMOUS
 AC_TYPE_SIGNAL
diff --git a/configure b/configure
index 65208d05c60..e2721f125dd 100755
--- a/configure
+++ b/configure
@@ -21368,9 +21368,8 @@ rm -f conftest.mmap
 
 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
 then
-	{ { echo "$as_me:$LINENO: error: mmap() required but not found" >&5
-echo "$as_me: error: mmap() required but not found" >&2;}
-   { (exit 1); exit 1; }; }
+	{ echo "$as_me:$LINENO: WARNING: mmap() required but not found" >&5
+echo "$as_me: WARNING: mmap() required but not found" >&2;}
 fi
 echo "$as_me:$LINENO: checking for mmap of files" >&5
 echo $ECHO_N "checking for mmap of files... $ECHO_C" >&6
@@ -21460,9 +21459,8 @@ fi
 
 if test "$ac_cv_func_mmap_file" = "no"
 then
-	{ { echo "$as_me:$LINENO: error: mmap() of files required but not found" >&5
-echo "$as_me: error: mmap() of files required but not found" >&2;}
-   { (exit 1); exit 1; }; }
+	{ echo "$as_me:$LINENO: WARNING: mmap() of files required but not found" >&5
+echo "$as_me: WARNING: mmap() of files required but not found" >&2;}
 fi
 echo "$as_me:$LINENO: checking for MAP_ANONYMOUS vs. MAP_ANON" >&5
 echo $ECHO_N "checking for MAP_ANONYMOUS vs. MAP_ANON... $ECHO_C" >&6