FIRM_CFLAGS ?= `pkg-config --cflags libfirm`
FIRM_LIBS ?= `pkg-config --libs libfirm`
-CPPFLAGS = -DHAVE_CONFIG_H -DFIRM_BACKEND
-CPPFLAGS += -I.
+CPPFLAGS = -I.
CPPFLAGS += $(FIRM_CFLAGS)
CFLAGS += -Wall -W -Wstrict-prototypes -Wmissing-prototypes -std=c99 -pedantic