| 1 | CFA?=cfa
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| 2 |
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| 3 | DEMOS?=control treatment
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| 4 | LANGS?=cfa c cc
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| 5 |
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| 6 | CFLAGS=-O3 #-DNDEBUG
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| 7 |
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| 8 | SOURCES=$(foreach demo,$(DEMOS),$(foreach lang,$(LANGS),$(demo).$(lang)))
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| 9 | TGT_SLUGS=$(call BOUND_ALTS,$(SOURCES))
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| 10 | EXES=$(addsuffix .runme,$(TGT_SLUGS))
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| 11 | ASMS=$(addsuffix .s,$(TGT_SLUGS))
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| 12 | TGTS=$(EXES) $(ASMS)
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| 13 | define BOUND_ALTS
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| 14 | $(1) $(addsuffix .unsound,$(1))
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| 15 | endef
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| 16 | define COMPILER_FOR
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| 17 | $(strip
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| 18 | $(if $(findstring .cfa,$(1)),$(CFA),
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| 19 | $(if $(findstring .cc,$(1)),$(CXX),
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| 20 | $(if $(findstring .c,$(1)),$(CC),
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| 21 | unknown$(1)))))
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| 22 | endef
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| 23 |
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| 24 |
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| 25 | .SUFFIXES: # disable make built-in rules, notably `% : %.s`, which introduces circularity
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| 26 | .SECONDEXPANSION: # evaluate prereq dynamically
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| 27 |
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| 28 | all: $(TGTS)
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| 29 | exes: $(EXES)
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| 30 | asms: $(ASMS)
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| 31 |
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| 32 | .PHONY: all exes asms echo_% clean
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| 33 |
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| 34 | $(TGTS): tgt_slug=$(basename $@)
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| 35 | $(TGTS): unsound_flag=$(if $(findstring .unsound,$(tgt_slug)),-DUNSOUND_BOUND)
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| 36 | $(TGTS): source=$(subst .unsound,,$(tgt_slug))
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| 37 | $(TGTS): compiler=$(call COMPILER_FOR,$(suffix $(source)))
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| 38 |
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| 39 | $(EXES): out_type_flag=-DRUNIT
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| 40 | $(ASMS): out_type_flag=-S
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| 41 |
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| 42 | $(TGTS): Makefile
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| 43 | $(TGTS): $$(source)
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| 44 | $(compiler) $< $(unsound_flag) $(out_type_flag) $(CFLAGS) -MMD -MF $@.d -o $@
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| 45 |
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| 46 | echo_%:
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| 47 | @echo '$($(@:echo_%=%))'
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| 48 |
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| 49 | clean:
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| 50 | rm -f *.s *.runme *.d
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| 51 |
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| 52 | -include *.d
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