TARGET = CHANGEME
SRC_FILES = main.cpp

# Tyler's custom makefile extensions for CSCI200 (anyone can use these if they want)
.DEFAULT_GOAL := all # Necessary so `make` doesn't run the "pack" target, as it is declared before "all"
.PHONY: pack clean-run c run fmt

## Adds only the necessary files for build into a .tar.gz file, named appropriately
ARCHIVED_FILES = Makefile $(SRC_FILES) $(SRC_FILES:.cpp=.h) $(SRC_FILES:.cpp=.hpp)
pack: fmtc
	tar --ignore-failed-read -czvf $(TARGET).tar.gz $(shell echo $(ARCHIVED_FILES) | xargs ls -d 2>/dev/null)

## Runs the pack target and then attempts to build & run the program to make sure it functions correctly
pack-test: pack
	$(eval TMP := $(shell mktemp -d))
	tar -xvzf $(TARGET).tar.gz --directory $(TMP)
	make -C $(TMP)
	$(TMP)/$(TARGET)
	rm -rf $(TMP)

## An extension of the clean command that is shorter to type and removes a potential .tar.gz file
c: clean
	$(DEL) -f $(TARGET).tar.gz

## Simply builds and then executes the program
run: all
	./$(TARGET)

## Formats all cpp, h, and hpp files with clang-format, using my personal clang-format config
fmt:
	find . -iname '*.hpp' -o -iname '*.h' -o -iname '*.cpp' | xargs clang-format --style=file:.clang-format -i

## Formats all cpp, h, and hpp files with clang-format, using the class clang-format config
fmtc:
	find . -iname '*.hpp' -o -iname '*.h' -o -iname '*.cpp' | xargs clang-format --style=file:.class-clang-format -i

## Modifies the SRC_FILES variable to have all .cpp files in the repo
setupsrc:
	sed -i "0,/SRC_FILE.\{0\}S = .*/ s//SRC_FILES = $(shell find . -iname '*.cpp' -printf '%P\n')/" Makefile

## Alias to setup SRC_FILES and then dependencies
setup: setupsrc depend

# NO EDITS NEEDED BELOW THIS LINE

CXX = g++
CXXFLAGS = -O2
CXXFLAGS_DEBUG = -g
CXXFLAGS_WARN = -Wall -Wextra -Wunreachable-code -Wshadow -Wpedantic
CPPVERSION = -std=c++17

OBJECTS = $(SRC_FILES:.cpp=.o)

ifeq ($(shell echo "Windows"), "Windows")
	TARGET := $(TARGET).exe
	DEL = del
	Q =
else
	DEL = rm -f
	Q = "
endif

all: $(TARGET)

$(TARGET): $(OBJECTS)
	$(CXX) -o $@ $^

.cpp.o:
	$(CXX) $(CXXFLAGS) $(CPPVERSION) $(CXXFLAGS_DEBUG) $(CXXFLAGS_WARN) -o $@ -c $<

clean:
	$(DEL) -f $(TARGET) $(OBJECTS) Makefile.bak

depend:
	@sed -i.bak '/^# DEPENDENCIES/,$$d' Makefile
	@$(DEL) sed*
	@echo $(Q)# DEPENDENCIES$(Q) >> Makefile
	@$(CXX) -MM $(SRC_FILES) >> Makefile

.PHONY: all clean depend

# DEPENDENCIES
main.o: main.cpp