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# aoc2021-day2
PROJECT=day2
AUTHOR=Avril (Flanchan) <flanchan@cumallover.me>
SRC_C = $(wildcard src/*.c)
SRC_CXX = $(wildcard src/*.cpp)
INCLUDE=include
INPUT_SOURCE=input
INPUT_DEST=src/input.c
COMMON_FLAGS+= -W -Wall -fno-strict-aliasing $(addprefix -I,$(INCLUDE))
COMMON_FLAGS+=-msse -msse2 -msse3
COMMON_FLAGS+=-D_PART1 -D_PART2
OPT_FLAGS?= -march=native -fgraphite -fopenmp -floop-parallelize-all -ftree-parallelize-loops=4 \
-floop-interchange -ftree-loop-distribution -floop-strip-mine -floop-block \
-fno-stack-check
CXX_OPT_FLAGS?= $(OPT_FLAGS) -felide-constructors
CFLAGS += $(COMMON_FLAGS) --std=gnu17
CXXFLAGS += $(COMMON_FLAGS) --std=gnu++20
LDFLAGS +=
STRIP=strip
RELEASE_COMMON_FLAGS+= -Werror
DEBUG_COMMON_FLAGS+= -fanalyzer
ifneq ($(TARGET_SPEC_FLAGS),no)
RELEASE_CFLAGS?= -O3 -flto $(OPT_FLAGS)
RELEASE_CXXFLAGS?= -O3 -flto $(CXX_OPT_FLAGS)
RELEASE_LDFLAGS?= -Wl,-O3 -Wl,-flto
DEBUG_CFLAGS?= -Og -g
DEBUG_CXXFLAGS?=-Og -g
DEBUG_LDFLAGS?=
endif
DEBUG_CFLAGS+=-DDEBUG $(DEBUG_COMMON_FLAGS)
DEBUG_CXXFLAGS+=-DDEBUG $(DEBUG_COMMON_FLAGS)
RELEASE_CFLAGS+=-DRELEASE $(RELEASE_COMMON_FLAGS)
RELEASE_CXXFLAGS+=-DRELEASE $(RELEASE_COMMON_FLAGS)
# Objects
OBJ_C = $(addprefix obj/c/,$(SRC_C:.c=.o))
OBJ_CXX = $(addprefix obj/cxx/,$(SRC_CXX:.cpp=.o))
OBJ = $(OBJ_C) $(OBJ_CXX)
# Phonies
.PHONY: release
release: | dirs $(INPUT_DEST)
$(MAKE) $(PROJECT)-release
.PHONY: debug
debug: | dirs $(INPUT_DEST)
$(MAKE) $(PROJECT)-debug
# Targets
dirs:
@mkdir -p obj/c{,xx}/src
$(INPUT_DEST): $(INPUT_SOURCE)
./mkinput $< > $@
obj/c/%.o: %.c
$(CC) -c $< $(CFLAGS) -o $@ $(LDFLAGS)
obj/cxx/%.o: %.cpp
$(CXX) -c $< $(CXXFLAGS) -o $@ $(LDFLAGS)
$(PROJECT)-release: CFLAGS+= $(RELEASE_CFLAGS)
$(PROJECT)-release: CXXFLAGS += $(RELEASE_CXXFLAGS)
$(PROJECT)-release: LDFLAGS += $(RELEASE_LDFLAGS)
$(PROJECT)-release: $(OBJ)
$(CXX) $^ $(CXXFLAGS) -o $@ $(LDFLAGS)
$(STRIP) $@
$(PROJECT)-debug: CFLAGS+= $(DEBUG_CFLAGS)
$(PROJECT)-debug: CXXFLAGS += $(DEBUG_CXXFLAGS)
$(PROJECT)-debug: LDFLAGS += $(DEBUG_LDFLAGS)
$(PROJECT)-debug: $(OBJ)
$(CXX) $^ $(CXXFLAGS) -o $@ $(LDFLAGS)
clean-rebuild:
rm -rf obj
clean: clean-rebuild
rm -f $(PROJECT)-{release,debug,pgo}
rm -f $(INPUT_DEST)