From b216435bb362df10c45f544b78d8c884eaa901fd Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Fri, 8 Jan 2016 07:01:02 +0000
Subject: [PATCH 21/32] Define _GNU_SOURCE for MREMAP_MAYMOVE definition

musl guards MREMAP_MAYMOVE with _GNU_SOURCE unlike glibc which uses
__USE_GNU

Fixes errors like
error: 'MREMAP_MAYMOVE' undeclared (first use in this function)

Signed-off-by: Khem Raj <raj.khem@gmail.com>

Upstream-Status: Pending
---
 testcases/kernel/syscalls/mremap/mremap01.c | 4 +++-
 testcases/kernel/syscalls/mremap/mremap02.c | 2 ++
 testcases/kernel/syscalls/mremap/mremap03.c | 2 ++
 3 files changed, 7 insertions(+), 1 deletion(-)

Index: git/testcases/kernel/syscalls/mremap/mremap01.c
===================================================================
--- git.orig/testcases/kernel/syscalls/mremap/mremap01.c
+++ git/testcases/kernel/syscalls/mremap/mremap01.c
@@ -76,10 +76,12 @@
  */
 #include <unistd.h>
 #include <errno.h>
+#include <fcntl.h>
+#define _GNU_SOURCE
 #define __USE_GNU
 #include <sys/mman.h>
 #undef __USE_GNU
-#include <fcntl.h>
+#undef _GNU_SOURCE
 
 #include "test.h"
 #include "safe_macros.h"
Index: git/testcases/kernel/syscalls/mremap/mremap02.c
===================================================================
--- git.orig/testcases/kernel/syscalls/mremap/mremap02.c
+++ git/testcases/kernel/syscalls/mremap/mremap02.c
@@ -75,9 +75,11 @@
 #include <errno.h>
 #include <unistd.h>
 #include <fcntl.h>
+#define _GNU_SOURCE
 #define __USE_GNU
 #include <sys/mman.h>
 #undef __USE_GNU
+#undef _GNU_SOURCE
 
 #include "test.h"
 
Index: git/testcases/kernel/syscalls/mremap/mremap03.c
===================================================================
--- git.orig/testcases/kernel/syscalls/mremap/mremap03.c
+++ git/testcases/kernel/syscalls/mremap/mremap03.c
@@ -76,9 +76,11 @@
 #include <errno.h>
 #include <unistd.h>
 #include <fcntl.h>
+#define _GNU_SOURCE
 #define __USE_GNU
 #include <sys/mman.h>
 #undef __USE_GNU
+#undef _GNU_SOURCE
 
 #include "test.h"