CMakeLists.txt

cmake_minimum_required(VERSION 3.10)

set(CMAKE_C_COMPILER /usr/bin/clang)
set(CMAKE_CXX_COMPILER /usr/bin/clang++)

if(APPLE)
	project(FuncDoodle C CXX OBJC)
elseif(UNIX AND NOT APPLE)
	project(FuncDoodle C CXX)
else()
	project(FuncDoodle C CXX)
endif()

if(UNIX AND NOT APPLE)
	option(ISTILING "Is using a tiling window manager?" ON)
endif()

set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

# Set build configurations
#set(CMAKE_BUILD_TYPE Release)

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g -gdwarf-4")
set(CMAKE_LINKER_FLAGS "${CMAKE_LINKER_FLAGS}")

# Glad sources
set(GLAD_SOURCES
	lib/glad/src/glad.c
)

# ImGui sources
set(IMGUI_SOURCES
	lib/imgui/imgui.cpp
	lib/imgui/imgui_draw.cpp
	lib/imgui/imgui_widgets.cpp
	lib/imgui/imgui_demo.cpp
	lib/imgui/imgui_tables.cpp
	lib/imgui/backends/imgui_impl_glfw.cpp
	lib/imgui/backends/imgui_impl_opengl3.cpp
)

if(APPLE)
	set(NFD_SOURCES lib/nfd/src/nfd_cocoa.m lib/nfd/src/nfd_common.c)
elseif(WIN32)
	set(NFD_SOURCES lib/nfd/src/nfd_win.cpp lib/nfd/src/nfd_common.c)
elseif(UNIX AND NOT APPLE)
	set(NFD_SOURCES lib/nfd/src/nfd_gtk.c lib/nfd/src/nfd_common.c)
endif()

set(PORTAUDIO_LIBDIR "" CACHE STRING "required")
set(PORTAUDIO_INCLDIR "" CACHE STRING "required")

if(NOT PORTAUDIO_LIBDIR)
	if(APPLE)
		set(PORTAUDIO_LIBDIR "/usr/local/opt/portaudio/lib/")
	elseif(UNIX AND NOT APPLE)
		set(PORTAUDIO_LIBDIR "/usr/lib/")
	elseif(WIN32)
		set(PORTAUDIO_LIBDIR "C:\\portaudio\\lib")
	endif()
endif()

if(NOT PORTAUDIO_INCLDIR)
	if(APPLE)
		set(PORTAUDIO_INCLDIR "/usr/local/opt/portaudio/include")
	elseif(UNIX AND NOT APPLE)
		set(PORTAUDIO_INCLDIR "/usr/local/include")
	elseif(WIN32)
		set(PORTAUDIO_INCLDIR "C:\\portaudio\\incl")
	endif()
endif()

add_subdirectory(lib/glfw)

file(GLOB SRC "src/*.cc")

# Add executable
add_executable(FuncDoodle
	${GLAD_SOURCES}
	${IMGUI_SOURCES}
	${NFD_SOURCES}
	${OPENAL_SOURCES}
	${SRC}
)

# Include directories
target_include_directories(FuncDoodle PRIVATE
	lib/glfw/include/
	${PORTAUDIO_INCLDIR}
	lib/imgui
	lib/imgui/backends
	lib/glad/include
	lib/nfd/src/include
	lib/stb/
	lib/
	lib/glm/
	${PORTAUDIO_INCLDIR}
)

if(UNIX)
	target_link_libraries(FuncDoodle
		glfw
		${CMAKE_DL_LIBS}
		m
		pthread
		dl
	)
elseif(WIN32)
	target_link_libraries(FuncDoodle
		glfw
		${CMAKE_DL_LIBS}
	)
endif()

if(UNIX AND NOT APPLE)
	find_package(PkgConfig REQUIRED)
	pkg_check_modules(GTK3 REQUIRED gtk+-3.0)
	target_link_libraries(FuncDoodle ${GTK3_LIBRARIES})
	target_include_directories(FuncDoodle PRIVATE ${GTK3_INCLUDE_DIRS})
endif()

# Link libraries based on platform
if(APPLE)
	target_link_libraries(FuncDoodle
		${PORTAUDIO_LIBDIR}libportaudio.dylib
		"-framework OpenGL"
		"-framework Cocoa"
		"-framework IOKit"
		"-framework CoreFoundation"
		"-framework AppKit"
	)
elseif(UNIX AND NOT APPLE)
	target_link_libraries(FuncDoodle
		${PORTAUDIO_LIBDIR}libportaudio.so
	)
elseif(WIN32)
	target_link_libraries(FuncDoodle
		${PORTAUDIO_LIBDIR}portaudio_x64.lib
	)
endif()

message(STATUS "CMAKE BUILD TYPE ${CMAKE_BUILD_TYPE}")
# Build options
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
	target_compile_definitions(FuncDoodle PRIVATE DEBUG)
	if(UNIX AND NOT APPLE)
		if(ISTILING)
			target_compile_definitions(FuncDoodle PRIVATE TILING)
		endif()
	endif()
	if(NOT WIN32)
		target_compile_options(FuncDoodle PRIVATE -g -gdwarf-4 -fsanitize=address -fno-omit-frame-pointer)
		target_link_options(FuncDoodle PRIVATE -fsanitize=address)
	endif()
elseif(CMAKE_BUILD_TYPE STREQUAL "Release")
	if(UNIX AND NOT APPLE)
		if(ISTILING)
			target_compile_definitions(FuncDoodle PRIVATE TILING)
		endif()
	endif()
	target_compile_definitions(FuncDoodle PRIVATE NDEBUG)
	target_compile_options(FuncDoodle PRIVATE -O3)
endif()

# Extra flags
if(UNIX)
	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-error=deprecated-declarations") # -Werror
endif()