makefile


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all: mu_bin core.mu

mu_bin: makefile enumerate/enumerate tangle/tangle mu.cc termbox/libtermbox.a
	c++ -g -O3 -Wall -Wextra -fno-strict-aliasing mu.cc termbox/libtermbox.a -o mu_bin

# To see what the program looks like after all layers have been applied, read
# mu.cc
mu.cc: [0-9]*.cc
	./tangle/tangle $$(./enumerate/enumerate --until zzz |grep -v '.mu$$') > mu.cc
	make --no-print-directory autogenerated_lists

core.mu: [0-9]*.mu mu.cc
	cat $$(./enumerate/enumerate --until zzz |grep '.mu$$') > core.mu

enumerate/enumerate:
	cd enumerate && make && ./enumerate test

tangle/tangle:
	cd tangle && make && ./tangle test

termbox/libtermbox.a: termbox/*.c termbox/*.h termbox/*.inl
	cd termbox && make

.PHONY: autogenerated_lists test valgrind clang opt clang+opt clena

test: mu_bin
	./mu_bin test

valgrind: clang+opt
	valgrind --leak-check=yes -q --error-exitcode=1 ./mu_bin test

clang: makefile mu.cc termbox/libtermbox.a autogenerated_lists
	clang++ -g -fsanitize=undefined mu.cc termbox/libtermbox.a -o mu_bin

clang+opt: makefile mu.cc termbox/libtermbox.a autogenerated_lists
	clang++ -O3 -fsanitize=undefined mu.cc termbox/libtermbox.a -o mu_bin

opt: makefile enumerate/enumerate tangle/tangle mu.cc termbox/libtermbox.a autogenerated_lists
	g++ -O3 -Wall -Wextra -fno-strict-aliasing mu.cc termbox/libtermbox.a -o mu_bin

# auto-generated files; by convention they end in '_list'.
autogenerated_lists: mu.cc function_list test_list

# autogenerated list of function declarations, so I can define them in any order
function_list: mu.cc
	@# functions start out unindented, have all args on the same line, and end in ') {'
	@#                                    ignore methods
	@grep -h "^[^[:space:]#].*) {" mu.cc |grep -v ":.*(" |perl -pwe 's/ {.*/;/' > function_list
	@# occasionally we need to modify a declaration in a later layer without messing with ugly unbalanced brackets
	@# assume such functions move the '{' to column 0 of the very next line
	@grep -v "^#line" mu.cc |grep -B1 "^{" |grep -v "^{" |perl -pwe 's/$$/;/' >> function_list
	@# test functions
	@grep -h "^\s*TEST(" mu.cc |perl -pwe 's/^\s*TEST\((.*)\)$$/void test_$$1();/' >> function_list

# autogenerated list of tests to run
test_list: mu.cc
	@grep -h "^\s*void test_" mu.cc |perl -pwe 's/^\s*void (.*)\(\) {.*/$$1,/' > test_list
	@grep -h "^\s*TEST(" mu.cc |perl -pwe 's/^\s*TEST\((.*)\)$$/test_$$1,/' >> test_list

clena: clean
clean:
	cd enumerate && make clean
	cd tangle && make clean
	cd termbox && make clean
	-rm mu.cc core.mu mu_bin *_list