From 29ccc641b17afad058a5c24071ea827865a8b3a9 Mon Sep 17 00:00:00 2001
From: Diego Biurrun <diego@biurrun.de>
Date: Sun, 24 Sep 2017 20:13:40 +0200
Subject: [PATCH] build: Drop check for sys/mman.h in favor of mmap() check

We already rely on just mmap() in other places.
---
 configure          | 2 --
 libswscale/utils.c | 2 +-
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/configure b/configure
index 16a5efa2ee..2f6f6e7fca 100755
--- a/configure
+++ b/configure
@@ -1578,7 +1578,6 @@ HEADERS_LIST="
     poll_h
     soundcard_h
     stdatomic_h
-    sys_mman_h
     sys_param_h
     sys_resource_h
     sys_select_h
@@ -4662,7 +4661,6 @@ check_header io.h
 check_header mach/mach_time.h
 check_header malloc.h
 check_header poll.h
-check_header sys/mman.h
 check_header sys/param.h
 check_header sys/resource.h
 check_header sys/select.h
diff --git a/libswscale/utils.c b/libswscale/utils.c
index 786774f241..d94be5a50b 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -27,7 +27,7 @@
 #include <math.h>
 #include <stdio.h>
 #include <string.h>
-#if HAVE_SYS_MMAN_H
+#if HAVE_MMAP
 #include <sys/mman.h>
 #if defined(MAP_ANON) && !defined(MAP_ANONYMOUS)
 #define MAP_ANONYMOUS MAP_ANON