Change Makefile to permit usage of sigaction

The C99 standard does not include the sigaction function and structure
as they are (probably) GNU extensions. Using the GNU99 version instead
permits the extension usage.

diff --git a/Makefile b/Makefile
index b100a973bfc0efec75ed28d3afa1939282bc5c66..d9ab6f96bb1d95db66e558a480432e7ed5425040 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 CC := gcc
-CFLAGS = -std=c99 -Wall -Wextra -Werror -Wpedantic
+CFLAGS = -std=gnu99 -Wall -Wextra -Werror -Wpedantic
 
 ifneq ("$(wildcard .debug)","")
        CFLAGS += -g