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-rw-r--r--glib/gslice.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/glib/gslice.c b/glib/gslice.c
index 74784d39c..56ae52460 100644
--- a/glib/gslice.c
+++ b/glib/gslice.c
@@ -17,7 +17,9 @@
* Boston, MA 02111-1307, USA.
*/
/* MT safe */
+#ifdef HAVE_POSIX_MEMALIGN
#define _XOPEN_SOURCE 600 /* posix_memalign() */
+#endif
#include <stdlib.h> /* posix_memalign() */
#include <string.h>
#include <errno.h>