Index: src/exif-common.cc
--- src/exif-common.cc.orig
+++ src/exif-common.cc
@@ -17,6 +17,7 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
+#include <stdlib.h>
 #include <config.h>
 
 #define _XOPEN_SOURCE