source: opengl-game/makefile@ eea05dd

# CFLAGS are compiler flags and LIBFLAGS could be renamed LINKER_FLAGS
OS = $(shell uname)
CC = g++
CFLAGS = -std=c++17 -Wall -pedantic -rdynamic
# -rdynamic is to generate debug info for dynamic symbols on debian-based 
# systems (tested on Linux Mint)
# for OSX, using -g generates a newgame.dSYS directory which has debug symbols.
# However, this has no effect on the stack trace, so there must be a way to specify a *.dSYS directory when running ./newgame
# or to instead put thos symbols directly into the executable, like -rdynamic does for Linux
#-Wextra -fno-inline

ifeq ($(OS),Darwin)
        DEP = -framework Cocoa -framework OpenGL -framework IOKit -framework CoreVideo -lglfw -lglew
endif
ifeq ($(OS),Linux)
        DEP = -lglfw3 -lGLEW -lGL -ldl -lX11 -lXrandr -lXxf86vm -lXinerama -lXcursor  -pthread
endif

IMGUI_FILES = IMGUI/imgui_demo.cpp IMGUI/imgui_draw.cpp IMGUI/imgui.cpp

# If I were generating .o files as well, I should use $? instead of $^
# as this well prevent regenerating .o files for unchanged .cpp files

newgame: new-game.cpp logger.cpp utils.cpp CrashLogger.cpp stb_image.cpp imgui_impl_glfw_gl3.cpp $(IMGUI_FILES)
        $(CC) $^ $(DEP) $(CFLAGS) -o $@

CXX_FLAGS = -std=c++17 -Wall -pedantic# -O3 -rdynamic

ifeq ($(OS),Darwin)
        VULKAN_SDK_PATH = /Users/dportnoy15/Development/vulkan-sdk-macos-1.1.108.0/macOS
endif
ifeq ($(OS),Linux)
        VULKAN_SDK_PATH = /home/dportnoy/Desktop/VulkanSDK/1.1.106.0/x86_64
endif

LIB_PATHS =  -I$(VULKAN_SDK_PATH)/include
ifeq ($(OS),Darwin)
        LIB_PATHS := -Wl,-rpath,$(VULKAN_SDK_PATH)/lib $(LIB_PATHS)
endif
ifeq ($(OS),Linux)
        LIB_PATHS := -L$(VULKAN_SDK_PATH)/lib $(LIB_PATHS)
endif

LIBS = `pkg-config --static --libs sdl2 glfw3`
ifeq ($(OS),Darwin)
        LIBS := $(VULKAN_SDK_PATH)/lib/libvulkan.dylib $(LIBS)
endif
ifeq ($(OS),Linux)
        LIBS := -lvulkan $(LIBS)
endif

LIB_FLAGS = $(LIB_PATHS) $(LIBS)

vulkangame: vulkan-game.cpp game-gui-sdl.cpp game-gui-glfw.cpp
        $(CC) $(CXX_FLAGS) -o $@ $^ $(LIB_FLAGS)

clean:
        rm -f newgame
        rm -f vulkangame