File openkropki-obey-cflags.patch of Package openkropki

diff --git a/Makefile b/Makefile
index 0e64960..0035f31 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-CFLAGS = -std=gnu89 -O3 -Wall -Wextra -pedantic -Wno-long-long -Wformat-security -Wno-overlength-strings -Wno-padded
+CFLAGS := -std=gnu89 -O3 -Wall -Wextra -pedantic -Wno-long-long -Wformat-security -Wno-overlength-strings -Wno-padded
 LDLIBS = `sdl2-config --libs` -lSDL2_ttf -lz -lm
 
 #CFLAGS += -DDEBUG_CAPTURES=1