X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=extras%2Fvolume_id%2Fudev_volume_id.c;h=a00b01a27daafd4a113990e09eab449d4d259e17;hp=54d95270d0bcda7480ff4027fa5a42000951afca;hb=9066c16adaf90888bc2ffe1a816f3638d58e0bdb;hpb=e296b1476e99150413d92c58e3b5e07e5bda9fd4

diff --git a/extras/volume_id/udev_volume_id.c b/extras/volume_id/udev_volume_id.c
index 54d95270d..a00b01a27 100644
--- a/extras/volume_id/udev_volume_id.c
+++ b/extras/volume_id/udev_volume_id.c
@@ -21,6 +21,10 @@
  *
  */
 
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>