config.h: define _GNU_SOURCE

[ccan] / config.h

diff --git a/config.h b/config.h
index 0473fb1f5220ac72a9d7a471ef46ff8ade7d481c..9d354869adc672d8044b5618f9d174ffd91df14c 100644 (file)
--- a/config.h
+++ b/config.h
@@ -1,4 +1,7 @@
 /* Generated by CCAN configurator */
+#ifndef CCAN_CONFIG_H
+#define CCAN_CONFIG_H
+#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"
 
@@ -34,3 +37,4 @@
 #define HAVE_TYPEOF 1
 #define HAVE_UTIME 1
 #define HAVE_WARN_UNUSED_RESULT 1
+#endif /* CCAN_CONFIG_H */