newer version of tcc almost working

05/tcc-0.9.27/tests/pp/Makefile

@@ -0,0 +1,49 @@
+#
+# credits: 01..13.c from the pcc cpp-tests suite
+#
+
+TOP = ../..
+include $(TOP)/Makefile
+SRC = $(TOPSRC)/tests/pp
+VPATH = $(SRC)
+
+files = $(patsubst %.$1,%.test,$(notdir $(wildcard $(SRC)/*.$1)))
+TESTS = $(call files,c) $(call files,S)
+
+all test : $(sort $(TESTS))
+
+DIFF_OPTS = -Nu -b -B
+
+# Filter source directory in warnings/errors (out-of-tree builds)
+FILTER = 2>&1 | sed 's,$(SRC)/,,g'
+
+%.test: %.c %.expect
+	@echo PPTest $* ...
+	-@$(TCC) -E -P $< $(FILTER) >$*.output 2>&1 ; \
+	    diff $(DIFF_OPTS) $(SRC)/$*.expect $*.output \
+	    && rm -f $*.output
+
+%.test: %.S %.expect
+	@echo PPTest $* ...
+	-@$(TCC) -E -P $< $(FILTER) >$*.output 2>&1 ; \
+	    diff $(DIFF_OPTS) $(SRC)/$*.expect $*.output \
+	    && rm -f $*.output
+
+# automatically generate .expect files with gcc:
+%.expect: # %.c
+	gcc -E -P $*.[cS] >$*.expect 2>&1
+
+# tell make not to delete
+.PRECIOUS: %.expect
+
+clean:
+	rm -f *.output
+
+02.test : DIFF_OPTS += -w
+# 15.test : DIFF_OPTS += -I"^XXX:"
+
+# diff options:
+# -b ighore space changes
+# -w ighore all whitespace
+# -B ignore blank lines
+# -I <RE> ignore lines matching RE