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-rw-r--r--libswscale/utils.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libswscale/utils.c b/libswscale/utils.c
index 7a969867ed..4458e8f700 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -18,6 +18,7 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#define _SVID_SOURCE //needed for MAP_ANONYMOUS
#include <inttypes.h>
#include <string.h>
#include <math.h>