X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=libserialport_internal.h;fp=libserialport_internal.h;h=0ad6f701a05a631e7d22daefa4e1f1c1caa6c215;hb=277f832a6a15cf54cfb1a45cc7f1462951bf42cd;hp=d784472bb12d0c218413d645ff38e3dec8588da3;hpb=9118f753f42781b441dd44651d49ded4a195ba6b;p=libserialport.git

diff --git a/libserialport_internal.h b/libserialport_internal.h
index d784472..0ad6f70 100644
--- a/libserialport_internal.h
+++ b/libserialport_internal.h
@@ -26,6 +26,8 @@
 /* For timeradd, timersub, timercmp, realpath. */
 #define _BSD_SOURCE 1 /* for glibc < 2.19 */
 #define _DEFAULT_SOURCE 1 /* for glibc >= 2.20 */
+/* For clock_gettime and associated types. */
+#define _POSIX_C_SOURCE 199309L
 #endif
 
 #include <string.h>