config.h: define _GNU_SOURCE

[ccan] / config.h

diff --git a/config.h b/config.h
index c540af3002cb32e0035397f70e54cf6388584772..9d354869adc672d8044b5618f9d174ffd91df14c 100644 (file)
--- a/config.h
+++ b/config.h
@@ -1,6 +1,7 @@
+/* Generated by CCAN configurator */
 #ifndef CCAN_CONFIG_H
 #define CCAN_CONFIG_H
-/* Generated by CCAN configurator */
+#define _GNU_SOURCE /* Always use GNU extensions. */
 #define CCAN_COMPILER "cc"
 #define CCAN_CFLAGS "-g -Wall -Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes -Wmissing-declarations"