From: andris <andris@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Fri, 18 Dec 2015 04:36:11 +0000 (+0000)
Subject: Specify that DJGPP do not have mmap even when sys/mman.h exists
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b767924b1ac1b9e421bd971e9d120f2fd66ffefa;p=thirdparty%2Fgcc.git

Specify that DJGPP do not have mmap even when sys/mman.h exists

	* configure.ac: Specify that DJGPP do not have mmap even when sys/mman.h exists
	* configure: Regenerate


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@231802 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/libbacktrace/ChangeLog b/libbacktrace/ChangeLog
index 23f3da1bbdc9..92fb6db902e6 100644
--- a/libbacktrace/ChangeLog
+++ b/libbacktrace/ChangeLog
@@ -1,3 +1,8 @@
+2015-12-18  Andris Pavenis  <andris.pavenis@iki.fi>
+
+	* configure.ac: Specify that DJGPP do not have mmap even when sys/mman.h exists
+	* configure: Regenerate
+
 2015-12-09  John David Anglin  <danglin@gcc.gnu.org>
 
 	PR 68115/libfortran
diff --git a/libbacktrace/configure b/libbacktrace/configure
index 8d0146ac378e..4e720e19f430 100755
--- a/libbacktrace/configure
+++ b/libbacktrace/configure
@@ -12304,9 +12304,10 @@ else
     # simply assume that if we have mman.h, we have mmap.
     have_mmap=yes
     case "${host}" in
-    spu-*-*)
+    spu-*-*|*-*-msdosdjgpp)
         # The SPU does not have mmap, but it has a sys/mman.h header file
         # containing "mmap_eaddr" and the mmap flags, confusing the test.
+        # DJGPP also has sys/man.h, but no mmap
 	have_mmap=no ;;
     esac
   else
diff --git a/libbacktrace/configure.ac b/libbacktrace/configure.ac
index db4a291dea9e..f07254b4ea98 100644
--- a/libbacktrace/configure.ac
+++ b/libbacktrace/configure.ac
@@ -270,9 +270,10 @@ else
     # simply assume that if we have mman.h, we have mmap.
     have_mmap=yes
     case "${host}" in
-    spu-*-*)
+    spu-*-*|*-*-msdosdjgpp)
         # The SPU does not have mmap, but it has a sys/mman.h header file
         # containing "mmap_eaddr" and the mmap flags, confusing the test.
+        # DJGPP also has sys/man.h, but no mmap
 	have_mmap=no ;;
     esac
   else