1 files changed, 2 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index 5a5f407..f48a6f7 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-CFLAGS=-Wall -Wextra -Wpedantic -O3
+CFLAGS=-Wall -Wextra -Wpedantic -O3 -std=c99 -D_POSIX_C_SOURCE=200809L
 CFLAGS+=`pkg-config --cflags libgit2`
 LDLIBS+=`pkg-config --libs libgit2`
 
@@ -10,4 +10,5 @@ clean:
 	rm -f datever
 
 
+.POSIX:
 .PHONY: all clean