+ifdef USER_CFLAGS
+ $(info USER_CFLAGS: $(USER_CFLAGS))
+endif
+
+ifdef GIT_SHA
+ $(info GIT_SHA: $(GIT_SHA))
+else
+ GIT_SHA := $(shell git rev-parse --short HEAD 2>$(NULLDEV) || svnversion 2>$(NULLDEV))
+ ifneq ($(words $(GIT_SHA)),1)
+ GIT_SHA := N/A
+ $(info GIT_SHA: N/A)
+ endif
+endif
+
+CFLAGS += -MMD -MP -O3 -I common \
+ -Wall -Wextra -Wno-char-subscripts $(USER_CFLAGS) \
+ -DCA65_INC="$(CA65_INC)" -DCC65_INC="$(CC65_INC)" -DCL65_TGT="$(CL65_TGT)" \
+ -DLD65_LIB="$(LD65_LIB)" -DLD65_OBJ="$(LD65_OBJ)" -DLD65_CFG="$(LD65_CFG)" \
+ -DGIT_SHA=$(GIT_SHA)