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# [0-9]*.cc -> mu.cc -> .build/*.cc -> .build/*.o -> .build/mu_bin
# (layers) | | | |
# tangle cleave $CXX $CXX
#
# [0-9]*.mu -> core.mu
all: mu_bin core.mu
CXX ?= c++
CXXFLAGS ?= -g -O3
CXXFLAGS := ${CXXFLAGS} -Wall -Wextra -ftrapv -fno-strict-aliasing
core.mu: [0-9]*.mu mu.cc makefile
cat $$(./enumerate/enumerate --until zzz |grep '.mu$$') > core.mu
mu_bin: mu.cc makefile function_list test_list cleave/cleave
@mkdir -p .build
@cp function_list test_list .build
@mkdir -p .build/termbox
@cp termbox/termbox.h .build/termbox
@# split mu.cc into separate compilation units under .build/ to speed up recompiles
./cleave/cleave mu.cc .build
@# recursive (potentially parallel) make to pick up BUILD_SRC after cleave
@make .build/mu_bin
cp .build/mu_bin .
BUILD_SRC=$(wildcard .build/*.cc)
.build/mu_bin: $(BUILD_SRC:.cc=.o) termbox/libtermbox.a
${CXX} ${LDFLAGS} .build/*.o termbox/libtermbox.a -o .build/mu_bin
.build/%.o: .build/%.cc .build/header .build/global_declarations_list
@# explicitly state default rule since we added dependencies
${CXX} ${CXXFLAGS} -c $< -o $@
# To see what the program looks like after all layers have been applied, read
# mu.cc
mu.cc: [0-9]*.cc enumerate/enumerate tangle/tangle
./tangle/tangle $$(./enumerate/enumerate --until zzz |grep -v '.mu$$') > mu.cc
enumerate/enumerate:
cd enumerate && make
tangle/tangle:
cd tangle && make && ./tangle test
cleave/cleave: cleave/cleave.cc
cd cleave && make
rm -rf .build
termbox/libtermbox.a: termbox/*.c termbox/*.h termbox/*.inl
cd termbox && make
# auto-generated files; by convention they end in '_list'.
# auto-generated 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
# auto-generated list of tests to run
test_list: mu.cc
@grep -h "^\s*void test_" mu.cc |perl -pwe 's/^\s*void (.*)\(\) \{.*/$$1,/' > test_list
# auto-generated list of extern declarations to global variables
# for separate compilation
.build/global_declarations_list: .build/global_definitions_list
@grep ';' .build/global_definitions_list |perl -pwe 's/[=(].*/;/' |perl -pwe 's/^[^\/# ]/extern $$&/' |perl -pwe 's/^extern extern /extern /' > .build/global_declarations_list
.PHONY: all clean clena
clena: clean
clean:
cd enumerate && make clean
cd tangle && make clean
cd cleave && make clean
cd termbox && make clean
-rm mu.cc core.mu mu_bin *_list
-rm -rf mu_bin.*
-rm -rf .build
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