build-sys: add more compiler parameters

diff --git a/Makefile b/Makefile
index ee144a3783579422c9dad5915c7d732d10753250..f7ed5ebbcdab0df6ab6523f3ff7dbc7c660b0147 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-CFLAGS=-Wall -Wextra -O0 -g -pipe
+CFLAGS=-Wall -Wextra -O0 -g -pipe -D_GNU_SOURCE -fdiagnostics-show-option -Wno-unused-parameter
 LIBS=-lrt
 
 systemd: main.o name.o util.o set.o hashmap.o strv.o job.o manager.o