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# SDL::SDL was defined on 3.20.
cmake_minimum_required(VERSION 3.20)
set(TOOLS_PREFIX ${CMAKE_BINARY_DIR}/tools)
include(ExternalProject)
ExternalProject_Add(tools
SOURCE_DIR ${CMAKE_SOURCE_DIR}/tools
CMAKE_ARGS
-D CMAKE_INSTALL_PREFIX=${TOOLS_PREFIX})
project(rts C)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_SOURCE_DIR}/cmake)
if(CMAKE_TOOLCHAIN_FILE MATCHES "ps1")
set(PS1_BUILD 1)
elseif(CMAKE_TOOLCHAIN_FILE MATCHES "win9x")
set(WIN9X_BUILD 1)
set(SDL1_2_BUILD 1)
set(exec_flags WIN32)
else()
set(HOST_BUILD 1)
set(SDL1_2_BUILD 1)
endif()
add_executable(${PROJECT_NAME} ${exec_flags} "src/main.c")
if(SDL1_2_BUILD)
find_package(SDL 1.2 REQUIRED)
find_package(SDL_gfx 2.0 REQUIRED)
find_package(SDL_mixer 1.2 REQUIRED)
# FindSDL_mixer.cmake does not export any target, so do it here instead.
add_library(SDL::SDL_mixer STATIC IMPORTED)
set_property(TARGET SDL::SDL_mixer PROPERTY
IMPORTED_LOCATION ${SDL_MIXER_LIBRARIES})
target_include_directories(SDL::SDL_mixer INTERFACE ${SDL_MIXER_INCLUDE_DIRS})
target_link_libraries(SDL::SDL_mixer INTERFACE SDL::SDL)
endif()
if(NOT PS1_BUILD)
find_package(ENET 1.3 REQUIRED)
endif()
set(cdroot ${CMAKE_BINARY_DIR}/cdimg)
file(MAKE_DIRECTORY ${cdroot})
if(PS1_BUILD)
include("cmake/ps1.cmake")
elseif(WIN9X_BUILD)
include("cmake/win9x.cmake")
elseif(HOST_BUILD)
include("cmake/host.cmake")
endif()
add_subdirectory("res")
add_subdirectory("src")
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