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hexview/Makefile

87 lines
2.2 KiB

SRC=$(wildcard src/*.cpp)
INCLUDE =include
_HX_FEAT?= -DFIXED_ROW_SIZE=24
CXXFLAGS?= -pipe -O3 -march=native
CXXFLAGS+= -flto -felide-constructors -fgraphite -fno-strict-aliasing -fno-exceptions -fomit-frame-pointer -fmerge-all-constants -fmodulo-sched -funswitch-loops -fsplit-loops
CXXFLAGS+= -Wall -pedantic --std=gnu++20 $(addprefix -I,$(INCLUDE))
LDFLAGS?= -O3 -flto
LDFLAGS+= -lfmt
PROJECT = hexview
OBJ = $(addprefix obj/,$(SRC:.cpp=.o))
### PGO target specific ###
# Number of times to run profiling
PGO_ITERATIONS = 512
# Size in kb of training files
PGO_DATASET_SIZE = $$(( 1024 * 4 ))
PGO_OBJ = $(addprefix profile/,$(SRC:.cpp=.o))
PROF_FLAGS = -fprofile-generate
###
.PHONY: release
release: | dirs $(PROJECT)-release
.PHONY: debug
debug: | dirs $(PROJECT)-debug
.PHONY: pgo
pgo: | dirs $(PROJECT)-pgo
dirs:
@mkdir -p obj/src
@mkdir -p profile/src
obj/%.o: %.cpp
$(CXX) -c $< $(_HX_FEAT) $(CXXFLAGS) -o $@ $(LDFLAGS)
profile/%.o: %.cpp
$(CXX) -c $< $(_HX_FEAT) $(CXXFLAGS) $(PROF_FLAGS) -o $@ $(LDFLAGS) $(PROF_FLAGS)
$(PROJECT)-release: $(OBJ)
$(CXX) $^ $(CXXFLAGS) -o $@ $(LDFLAGS)
strip $@
$(PROJECT)-debug: CXXFLAGS = -DDEBUG -O0 -g -Wall -pedantic --std=gnu++20 $(addprefix -I,$(INCLUDE)) -fno-exceptions -felide-constructors
$(PROJECT)-debug: LDFLAGS = -lfmt
$(PROJECT)-debug: $(OBJ)
$(CXX) $^ $(CXXFLAGS) -o $@ $(LDFLAGS)
pgo-generate: $(PGO_OBJ)
$(CXX) $^ $(CXXFLAGS) $(PROF_FLAGS) -o $@ $(LDFLAGS) $(PROF_FLAGS)
pgo-profile: pgo-generate
for i in {1..$(PGO_ITERATIONS)}; do \
dd if=/dev/urandom of=/tmp/$(PROJECT)-pgo-test bs=1024 count=$(PGO_DATASET_SIZE) >> /dev/null 2>&1; \
printf "\rIteration $$i / $(PGO_ITERATIONS)"; \
./pgo-generate /tmp/$(PROJECT)-pgo-test > /tmp/$(PROJECT)-pgo-output; \
done
@echo ""
rm /tmp/$(PROJECT)-pgo-test
rm /tmp/$(PROJECT)-pgo-output
rm pgo-generate
pgo-use: PROF_FLAGS = -fprofile-use
pgo-use: LDFLAGS+= -lgcov
pgo-use: $(PGO_OBJ)
$(CXX) $^ $(CXXFLAGS) $(PROF_FLAGS) -o $@ $(LDFLAGS) $(PROF_FLAGS)
$(PROJECT)-pgo: | dirs pgo-profile
find ./profile -name \*.o -exec rm {} +
$(MAKE) pgo-use
mv pgo-use $@
strip $@
clean:
rm -f $(PROJECT)-{release,debug,pgo}
rm -rf obj
rm -rf profile
rm -f pgo-{test,output,generate}