53 lines
2.4 KiB
CMake
53 lines
2.4 KiB
CMake
# Currently works with the following generators:
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# - Visual Studio
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set(SDL2_DIR "${SDL2_DIR}" CACHE PATH "Location of SDL2 library directory")
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find_path(SDL2_INCLUDE_DIR "SDL_version.h"
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PATHS "${SDL2_DIR}/include")
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if(SDL2_INCLUDE_DIR AND EXISTS "${SDL2_INCLUDE_DIR}/SDL_version.h")
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file(STRINGS "${SDL2_INCLUDE_DIR}/SDL_version.h" SDL2_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_MAJOR_VERSION[ \t]+[0-9]+$")
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file(STRINGS "${SDL2_INCLUDE_DIR}/SDL_version.h" SDL2_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_MINOR_VERSION[ \t]+[0-9]+$")
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file(STRINGS "${SDL2_INCLUDE_DIR}/SDL_version.h" SDL2_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_PATCHLEVEL[ \t]+[0-9]+$")
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string(REGEX REPLACE "^#define[ \t]+SDL_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_VERSION_MAJOR "${SDL2_VERSION_MAJOR_LINE}")
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string(REGEX REPLACE "^#define[ \t]+SDL_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_VERSION_MINOR "${SDL2_VERSION_MINOR_LINE}")
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string(REGEX REPLACE "^#define[ \t]+SDL_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL2_VERSION_PATCH "${SDL2_VERSION_PATCH_LINE}")
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set(SDL2_VERSION "${SDL2_VERSION_MAJOR}.${SDL2_VERSION_MINOR}.${SDL2_VERSION_PATCH}")
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unset(SDL2_VERSION_MAJOR_LINE)
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unset(SDL2_VERSION_MINOR_LINE)
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unset(SDL2_VERSION_PATCH_LINE)
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unset(SDL2_VERSION_MAJOR)
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unset(SDL2_VERSION_MINOR)
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unset(SDL2_VERSION_PATCH)
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endif()
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if(CMAKE_SIZEOF_VOID_P STREQUAL 8)
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find_library(SDL2_LIBRARY "SDL2"
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PATHS "${SDL2_DIR}/lib/x64")
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find_library(SDL2_MAIN_LIBRARY "SDL2main"
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PATHS "${SDL2_DIR}/lib/x64")
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else()
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find_library(SDL2_LIBRARY "SDL2"
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PATHS "${SDL2_DIR}/lib/x86")
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find_library(SDL2_MAIN_LIBRARY "SDL2main"
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PATHS "${SDL2_DIR}/lib/x86")
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endif()
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set(SDL2_LIBRARIES "${SDL2_MAIN_LIBRARY}" "${SDL2_LIBRARY}")
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(SDL2
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FOUND_VAR SDL2_FOUND
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REQUIRED_VARS SDL2_INCLUDE_DIR SDL2_LIBRARIES
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VERSION_VAR SDL2_VERSION
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)
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if(SDL2_FOUND)
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add_library(SDL2::SDL2 UNKNOWN IMPORTED)
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set_target_properties(SDL2::SDL2 PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES "${SDL2_INCLUDE_DIR}"
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IMPORTED_LOCATION "${SDL2_LIBRARY}")
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add_library(SDL2::SDL2main UNKNOWN IMPORTED)
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set_target_properties(SDL2::SDL2main PROPERTIES
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IMPORTED_LOCATION "${SDL2_MAIN_LIBRARY}")
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endif()
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