-FIRM_HOME = $(HOME)/projects/firm
-FIRM_BUILD = $(FIRM_HOME)/build/i686-pc-linux-gnu/debug/
-FIRM_CFLAGS = -I$(FIRM_HOME)/libfirm/include -I$(FIRM_HOME)/obstack -I$(FIRM_HOME)/libcore -I$(FIRM_HOME)/libcore/libcore -I$(FIRM_HOME)
-FIRM_LIBS = -L$(FIRM_BUILD) -lfirm -llpp -lcore -lm -ldl -lz
+GOAL = $(BUILDDIR)/cparser
+
+BUILDDIR ?= build
+
+FIRM_CFLAGS ?= `pkg-config --cflags libfirm`
+FIRM_LIBS ?= `pkg-config --libs libfirm`
+
+CPPFLAGS = -DHAVE_CONFIG_H -DFIRM_BACKEND
+CPPFLAGS += -I.
+CPPFLAGS += $(FIRM_CFLAGS)