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 = $$(( 1024 * 4 )) PGO_OBJ = $(addprefix profile/,$(SRC:.cpp=.o)) PROF_FLAGS = -fprofile-generate ### .PHONY: release release: | dirs $(PROJECT)-release .PHONY: debug debug: | dirs $(PROJECT)-debug .PHONY: pgo pgo: | dirs $(PROJECT)-pgo dirs: @mkdir -p obj/src @mkdir -p profile/src obj/%.o: %.cpp $(CXX) -c $< $(_HX_FEAT) $(CXXFLAGS) -o $@ $(LDFLAGS) profile/%.o: %.cpp $(CXX) -c $< $(_HX_FEAT) $(CXXFLAGS) $(PROF_FLAGS) -o $@ $(LDFLAGS) $(PROF_FLAGS) $(PROJECT)-release: $(OBJ) $(CXX) $^ $(CXXFLAGS) -o $@ $(LDFLAGS) strip $@ $(PROJECT)-debug: CXXFLAGS = -O0 -g -Wall -pedantic --std=gnu++20 $(addprefix -I,$(INCLUDE)) -fno-exceptions -felide-constructors $(PROJECT)-debug: LDFLAGS = -lfmt $(PROJECT)-debug: $(OBJ) $(CXX) $^ $(CXXFLAGS) -o $@ $(LDFLAGS) pgo-generate: $(PGO_OBJ) $(CXX) $^ $(CXXFLAGS) $(PROF_FLAGS) -o $@ $(LDFLAGS) $(PROF_FLAGS) pgo-profile: pgo-generate for i in {1..$(PGO_ITERATIONS)}; do \ dd if=/dev/urandom of=/tmp/$(PROJECT)-pgo-test bs=1024 count=$(PGO_DATASET_SIZE) >> /dev/null 2>&1; \ printf "\rIteration $$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}