makefile

NAME=gamblers_odyssey
CXX=g++
__CXXFLAGS=-Og -g -std=c++20 \
	-Wall -Wextra -pedantic \
	-pthread \
	-lSDL2 \
	-lSDL2_image \
	#-lSDL2_ttf \
	#-lSDL2_mixer \
	#-lSDL2_net

LD=ldd


IDIR=src
SDIR=src
BDIR=bin
ODIR=obj
DDIR=dep
ASSETS_DIR=assets

_CXXFLAGS = ${__CXXFLAGS} -I${IDIR} ${CXXFLAGS}
SRC = $(shell find ${SDIR} -type f -name '*.cpp' -o -name ".backup" -prune -type f)
OBJ = $(patsubst ${SDIR}/%.cpp,${ODIR}/%.o,${SRC})
DEP = $(patsubst ${SDIR}/%.cpp,${DDIR}/%.dep,${SRC})
ASSETS = $(shell find ${ASSETS_DIR} -type f -o -name ".backup" -prune -type f)
#NEW_ASSETS = $(patsubst %,${BDIR}/%, ${ASSETS})

ifndef VERBOSE
.SILENT:
endif

build: depend ${SRC} ${BDIR}/${NAME} assets # ctags

${DEP}: ${DDIR}/%.dep: ${SDIR}/%.cpp
	mkdir -p ${DDIR}
	echo "Calculating dependencies for $^"
	mkdir -p $$(dirname $@)
	${CXX} ${_CXXFLAGS} $^ -MM -MP -MT $(patsubst ${SDIR}/%.cpp,${ODIR}/%.o,$^) > $@

depend: ${DEP}
include ${DEP}

${OBJ}: ${ODIR}/%.o: ${SDIR}/%.cpp
	mkdir -p ${ODIR}
	echo "Compiling $@"
	mkdir -p $$(dirname $@)
	${CXX} -c -o $@ $< ${_CXXFLAGS}

${BDIR}/${NAME}: ${OBJ}
	mkdir -p ${BDIR}
	echo "Linking ${NAME}"
	$(CXX) -o $@ ${OBJ} ${_CXXFLAGS}

clean:
	echo "Cleaning build files"
	rm -r ${ODIR} ${DDIR}
	#rm tags

run: build
	echo "Running ${NAME}"
	cd ${BDIR} && ./${NAME} $(ARGS)

ctags: ${SRC}
	echo "Generating ctags"
	ctags -R ${IDIR} ${SDIR}

assets: ${BDIR}/${ASSETS_DIR}/STAMP

${BDIR}/${ASSETS_DIR}/STAMP: ${ASSETS}
	if [ -d "${BDIR}/${ASSETS_DIR}" ]; then rm -r "${BDIR}/${ASSETS_DIR}"; fi
	cp -r "${ASSETS_DIR}" "${BDIR}/${ASSETS_DIR}"
	echo "Preparing assets"
	cd ${BDIR}/${ASSETS_DIR}
	if [ -f "./prepare.sh" ]; then ./prepare.sh; fi
	touch $@