INSTALL = ${shell which install}
INSTALL_FILE    = $(INSTALL) -p -D -o root -g root  -m  644
INSTALL_PROGRAM = $(INSTALL) -p -D -o root -g root  -m  700
INSTALL_SCRIPT  = $(INSTALL) -p -D -o root -g root  -m  700
INSTALL_DIR     = $(INSTALL) -p -d -o root -g root  -m  755

MKDIR = mkdir -p

ifneq (,$(filter noopt,$(DEB_BUILD_OPTIONS)))
    CFLAGS += -O0
else
    CFLAGS += -O2
endif
ifeq (,$(filter nostrip,$(DEB_BUILD_OPTIONS)))
    INSTALL_PROGRAM += -s
endif
ifneq (,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
    NUMJOBS = $(patsubst parallel=%,%,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
    MAKEFLAGS += -j$(NUMJOBS)
endif

BIN="bin/cassiopeia"
LIBS=openssl collissiondetect

LT_CC=libtool --mode=compile gcc
LT_CC_DEP=g++
LT_CXX=libtool --mode=compile g++
LT_CXX_DEP=g++
LT_LD=libtool --mode=link g++

CC=${LT_CC}
CC_DEP=${LT_CC_DEP}
CXX=${LT_CXX}
CXX_DEP=${LT_CXX_DEP}
LD=${LT_LD}

CFLAGS=-O3 -g -flto -Wall -Werror -Wextra -pedantic -std=c++11
CXXFLAGS=$(CFLAGS)
LDFLAGS=-O3 -g -flto -lmysqlclient -lssl -lcrypto -ldl

SRC_DIR=src
OBJ_DIR=obj
DEP_DIR=dep

FS_SRC=$(wildcard ${SRC_DIR}/*.cpp)
FS_BIN=$(wildcard ${SRC_DIR}/app/*.cpp)
FS_LIBS=$(wildcard lib/*/)
FS_OBJ=$(FS_SRC:${SRC_DIR}/%.cpp=${OBJ_DIR}/%.lo)
FS_DEP=$(FS_SRC:${SRC_DIR}/%.cpp=${DEP_DIR}/%.d)

.SUFFIXES: .c .cpp .d

.PHONY: all
all: build

.PHONY: clean
clean::
	-rm -rf .libs
	-rm -rf *.a
	-rm -rf *.d
	-rm -rf *.o
	-rm -rf *.la
	-rm -rf *.lo
	-rm -rf *.so
	-rm -rf ${OBJ_DIR}
	-rm -rf ${DEP_DIR}
	${MAKE} -C lib/openssl clean
	${MAKE} -C lib/collissiondetect clean
ifeq (,$(filter nocheck,$(DEB_BUILD_OPTIONS)))
	# Code to run the package test suite.
	${MAKE} -C test clean
endif


build: cassiopeia
ifeq (,$(filter nocheck,$(DEB_BUILD_OPTIONS)))
	${MAKE} -C test
endif

.PHONY: install
install: build
	${INSTALL_PROGRAM} bin/cassiopeia ${DESTDIR}/usr/bin/cassiopeia

.PHONY: libs
libs: ${LIBS}

.PHONY: openssl
openssl:
	${MAKE} -C lib/openssl

.PHONY: collissiondetect
collissiondetect:
	${MAKE} -C lib/collissiondetect

# --------

cassiopeia: bin/cassiopeia

bin/cassiopeia: libs ${FS_OBJ}
	${MKDIR} $(shell dirname $@) && ${LT_LD} ${LDFLAGS} -o $@ ${FS_OBJ}

${DEP_DIR}/%.d: ${SRC_DIR}/%.cpp
	${MKDIR} $(shell dirname $@) && $(CXX_DEP) $(CXXFLAGS) -M -MF $@ $<
${DEP_DIR}/%.d: ${SRC_DIR}/%.c
	${MKDIR} $(shell dirname $@) && $(CC) $(CXXFLAGS) -M -MF $@ $<

${OBJ_DIR}/%.lo ${OBJ_DIR}/%.o: ${SRC_DIR}/%.c ${DEP_DIR}/%.d
	${MKDIR} $(shell dirname $@) && $(CC) $(CFLAGS) -o $@ -c $<
${OBJ_DIR}/%.lo ${OBJ_DIR}/%.o: ${SRC_DIR}/%.cpp ${DEP_DIR}/%.d
	${MKDIR} $(shell dirname $@) && $(CXX) $(CXXFLAGS) -o $@ -c $<

-include $(FS_DEP)