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Makefile
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Makefile
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SRC_DIR = src
OBJ_DIR = obj
DEP_DIR = dep
SRC_FILES = $(shell find src -name '*.cpp' | sort -k 1nr | cut -f2-)
OBJ_FILES = $(patsubst $(SRC_DIR)/%,$(OBJ_DIR)/%,$(SRC_FILES:.cpp=.o))
DEP_FILES = $(patsubst $(SRC_DIR)/%,$(DEP_DIR)/%,$(SRC_FILES:.cpp=.d))
OBJ_DIRS = $(sort $(dir $(OBJ_FILES)))
DEP_DIRS = $(sort $(dir $(DEP_FILES)))
CXX = g++
DEP_LOC = $(patsubst $(OBJ_DIR)/%,$(DEP_DIR)/%,$*.d)
DEPFLAGS = -MT $@ -MMD -MP -MF $(DEP_LOC)
WFLAGS = -Wall -Wextra -Werror -pg -O3 -Ofast -flto
CPPFLAGS = -std=c++17 $(WFLAGS) $(DEPFLAGS) -I $(SRC_DIR)
CXXFLAGS = -std=c++17 -pthread $(WFLAGS)
EXEC = main
all: objects
${CXX} ${CXXFLAGS} -o ${EXEC} ${OBJ_FILES}
objects: configure ${OBJ_FILES}
$(OBJ_FILES):
${CXX} $(CPPFLAGS) -c -o $@ $(patsubst $(OBJ_DIR)/%,$(SRC_DIR)/%,$*.cpp)
-include ${DEP_FILES}
.PHONY: configure
configure: ${DEP_DIRS} ${OBJ_DIRS}
$(DEP_DIRS):
mkdir -p $@
$(OBJ_DIRS):
mkdir -p $@
.PHONY: clean
clean:
rm -rf ${OBJ_FILES} ${DEP_FILES} ${EXEC}