BLOSSOM_DIR := blossom5-v2.05.src
BLOSSOM_DIRS := $(BLOSSOM_DIR) $(BLOSSOM_DIR)/MinCost $(BLOSSOM_DIR)/GEOM

BLOSSOM_SOURCES := $(filter-out $(BLOSSOM_DIR)/example.cpp, $(foreach dir, $(BLOSSOM_DIRS), $(wildcard $(dir)/*.cpp)))
BLOSSOM_OBJS := $(patsubst %.cpp, %.o, $(BLOSSOM_SOURCES))

CFLAGS := -std=c++20 -stdlib=libc++ -flto -fopenmp -O3 -Os -march=native -mtune=native -D_NDEBUG -DPERFECT_MATCHING_DOUBLE
CXX = clang++
LD = ld.lld
LIBS := -lrt

all: excitation order uniform free_energy

free_energy: free_energy.cpp $(BLOSSOM_DIR)/blossom5.o rbmp.hpp
	$(CXX) $(CFLAGS) $(BLOSSOM_DIR)/blossom5.o free_energy.cpp -o $@

uniform: uniform.cpp $(BLOSSOM_DIR)/blossom5.o rbmp.hpp
	$(CXX) $(CFLAGS) $(BLOSSOM_DIR)/blossom5.o uniform.cpp -o $@

order: order.cpp $(BLOSSOM_DIR)/blossom5.o rbmp.hpp
	$(CXX) $(CFLAGS) $(BLOSSOM_DIR)/blossom5.o order.cpp -o $@

excitation: excitation.cpp $(BLOSSOM_DIR)/blossom5.o
	$(CXX) $(CFLAGS) $(BLOSSOM_DIR)/blossom5.o excitation.cpp -o $@

$(BLOSSOM_DIR)/blossom5.o: ${BLOSSOM_OBJS}
	$(LD) -r -o $@ ${BLOSSOM_OBJS}

.cpp.o:
	$(CXX) $(CFLAGS) $< -c -o $@

clean:
	rm -f ${BLOSSOM_OBJS} $(BLOSSOM_DIR)/blossom5.o rbmp