File gpsdate-obey-cflags.patch of Package gpsdate

diff --git a/Makefile b/Makefile
index 5c29479..b787b4d 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 
-CFLAGS=-Wall -O2
+CFLAGS += -Wall -O2
 
 all: gpsdate gps-watchdog