#
#============================================================================
#
#                                 DOOM Retro
#           The classic, refined DOOM source port. For Windows PC.
#
#============================================================================
#
#    Copyright © 1993-2023 by id Software LLC, a ZeniMax Media company.
#    Copyright © 2013-2023 by Brad Harding <mailto:brad@doomretro.com>.
#
#    This file is a part of DOOM Retro.
#
#    DOOM Retro is free software: you can redistribute it and/or modify it
#    under the terms of the GNU General Public License as published by the
#    Free Software Foundation, either version 3 of the license, or (at your
#    option) any later version.
#
#    DOOM Retro is distributed in the hope that it will be useful, but
#    WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
#    General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with DOOM Retro. If not, see <https://www.gnu.org/licenses/>.
#
#    DOOM is a registered trademark of id Software LLC, a ZeniMax Media
#    company, in the US and/or other countries, and is used without
#    permission. All other trademarks are the property of their respective
#    holders. DOOM Retro is in no way affiliated with nor endorsed by
#    id Software.
#
#============================================================================
#

CMAKE_MINIMUM_REQUIRED(VERSION 3.4)

PROJECT(doomretro C)

INCLUDE(GNUInstallDirs)

FILE(GLOB_RECURSE SOURCES ${CMAKE_SOURCE_DIR}/src/*.c)

IF (NOT CMAKE_BUILD_TYPE)
	SET(CMAKE_BUILD_TYPE "Release" CACHE STRING "Build type" FORCE)
ENDIF()

IF (APPLE)
	ADD_DEFINITIONS(-D__APPLE__=1)
	SET(OBJECTIVE_C_FILES
		${CMAKE_SOURCE_DIR}/src/d_main.c
		${CMAKE_SOURCE_DIR}/src/m_misc.c)
	SET_SOURCE_FILES_PROPERTIES(${OBJECTIVE_C_FILES} COMPILE_FLAGS "-x objective-c")
ENDIF()

ADD_EXECUTABLE(doomretro ${SOURCES})

SET_TARGET_PROPERTIES(doomretro PROPERTIES LINKER_LANGUAGE C)

INCLUDE(FindPkgConfig)
PKG_SEARCH_MODULE(SDL2 REQUIRED sdl2)
PKG_SEARCH_MODULE(SDL2_MIXER REQUIRED SDL2_mixer)
PKG_SEARCH_MODULE(SDL2_IMAGE REQUIRED SDL2_image)
INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/src ${SDL2_INCLUDE_DIRS} ${SDL2_MIXER_INCLUDE_DIRS} ${SDL2_IMAGE_INCLUDE_DIRS})

IF (APPLE)
	FIND_LIBRARY(COCOA_LIBRARY Cocoa)
ENDIF()

IF (UNIX)
	INCLUDE(CheckCCompilerFlag)
	SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99")
	CHECK_C_COMPILER_FLAG("-Wno-deprecated-non-prototype" HAS_NON_PROTO_FLAG)
	IF (HAS_NON_PROTO_FLAG)
		SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated-non-prototype")
	ENDIF()
ENDIF()

TARGET_LINK_LIBRARIES(
	doomretro
	${SDL2_LINK_LIBRARIES}
	${SDL2_MIXER_LINK_LIBRARIES}
	${SDL2_IMAGE_LINK_LIBRARIES}
	${COCOA_LIBRARY}
	m
)

FILE(GLOB RESOURCES LIST_DIRECTORIES false ${CMAKE_SOURCE_DIR}/res/*)
FILE(COPY ${RESOURCES} DESTINATION ${CMAKE_BINARY_DIR})

INSTALL(TARGETS doomretro DESTINATION ${CMAKE_INSTALL_BINDIR})
INSTALL(FILES ${RESOURCES} DESTINATION ${CMAKE_INSTALL_DATADIR}/doomretro)