CXX ?= g++
CPPFLAGS = -std=c++14 -Wall -Wextra -pedantic

MAJOR ?= 1
MINOR ?= 0
RELEASE ?= 0

ifeq ($(OS),Windows_NT)
UNAME_S := Windows
else
UNAME_S := $(shell uname -s)
endif

ifeq ($(UNAME_S),Linux)
SDLPPLIBRARY = libsdlpp.so.${MAJOR}.${MINOR}.${RELEASE}
LIBRARYFLAGS = -fPIC
endif
ifeq ($(UNAME_S),Darwin)
SDLPPLIBRARY = libsdlpp.dylib
LIBRARYFLAGS =
endif

OBJECTFILES = sdlpp_circlecolider.o sdlpp_circlerenderer.o sdlpp_collision.o sdlpp_common.o sdlpp_font.o sdlpp_linerenderer.o sdlpp_rectcolider.o sdlpp_rectrenderer.o sdlpp_renderer.o sdlpp_renderobject.o sdlpp_scene.o sdlpp_textrenderer.o sdlpp_texture.o sdlpp_window.o

all: ${SDLPPLIBRARY}

%.o: %.cpp
	${CXX} ${CPPFLAGS} ${LIBRARYFLAGS} -c $< -o $@

ifeq ($(UNAME_S),Linux)
${SDLPPLIBRARY}: ${OBJECTFILES}
	${CXX} ${CPPFLAGS} -shared -Wl,-soname,libsdlpp.so.${MAJOR}\
		-o ${SDLPPLIBRARY} $^
	ln -sf ${SDLPPLIBRARY} libsdlpp.so
	ln -sf ${SDLPPLIBRARY} libsdlpp.so.${MAJOR}
endif
ifeq ($(UNAME_S),Darwin)
${SDLPPLIBRARY}: ${OBJECTFILES}
	${CXX} ${CPPFLAGS} -dynamiclib -install_name ${SDLPPLIBRARY}\
		-current_version ${MAJOR}.${MINOR} $^ -lSDL2 -lSDL2_image -lSDL2_gfx -lSDL2_ttf -o $@
endif

clean:
	${RM} *.so* *.o *.dylib

.PHONY: all clean test