223 lines
6.4 KiB
CMake
223 lines
6.4 KiB
CMake
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# Find SDL2 (and components)
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#
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#Variable Type Description
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# SDL2_FOUND BOOL Did we find SDL2?
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# SDL2_INCLUDE_DIRS LIST/PATH List of paths to all include directories
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# SDL2_LIBRARIES LIST/FILE List of files to link against
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# SDL2_BINARIES LIST/FILE Binary files for SDL2
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# SDL2_VERSION_STRING STRING SDL2 Version String
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#
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#Components:
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#Variable Type Description
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# SDL2_comp_FOUND BOOL Found <comp>onent?
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# SDL2_comp_LIBRARIES LIST/FILE Path to <comp>onent library files
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# Options
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set(SDL2_DIR "" CACHE PATH "Path to SDL2 Library")
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# Find code
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if(CMAKE_SIZEOF_VOID_P EQUAL 8)
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set(_lib_arch 64)
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else()
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set(_lib_arch 86)
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endif()
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if(CMAKE_SIZEOF_VOID_P EQUAL 8)
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set(_lib_suffix 64)
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else()
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set(_lib_suffix 32)
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endif()
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if(WIN32)
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set(_lib_ext .dll)
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else()
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set(_lib_ext .so)
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endif()
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set(SDL2_FOUND FALSE)
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set(SDL2_INCLUDE_DIRS)
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set(SDL2_LIBRARIES)
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set(SDL2_BINARIES)
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set(SDL2_VERSION_STRING)
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function(find_sdl2)
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set(SDL2_FOUND FALSE PARENT_SCOPE)
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set(SDL2_INCLUDE_DIRS PARENT_SCOPE)
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set(SDL2_LIBRARIES PARENT_SCOPE)
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set(SDL2_BINARIES PARENT_SCOPE)
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set(SDL2_VERSION_STRING PARENT_SCOPE)
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mark_as_advanced(
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SDL2_FOUND
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SDL2_INCLUDE_DIRS
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SDL2_LIBRARIES
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SDL2_BINARIES
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SDL2_VERSION_STRING
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)
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set(SDL2_INCLUDE_DIR)
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set(SDL2_LIBRARY)
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set(SDL2_BINARY)
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find_path(SDL2_INCLUDE_DIR
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NAMES
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"SDL.h" "SDL_version.h"
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HINTS
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${SDL2Path${_lib_suffix}}
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${SDL2Path}
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${SDLPath${_lib_suffix}}
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${SDLPath}
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${SDL2_DIR}
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${SDL_DIR}
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PATHS
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/usr/include /usr/local/include /opt/local/include /sw/include
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PATH_SUFFIXES
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sdl2/include include sdl/include
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)
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find_file(SDL2_LIBRARY
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"SDL2.lib"
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HINTS
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${SDL2Path${_lib_suffix}}
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${SDL2Path}
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${SDLPath${_lib_suffix}}
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${SDLPath}
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${SDL2_DIR}
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${SDL_DIR}
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PATHS
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/usr/lib /usr/local/lib /opt/local/lib /sw/lib
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PATH_SUFFIXES
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lib/x${_lib_arch} libx${_lib_arch} ../lib/x${_lib_arch} ../libx${_lib_arch}
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lib/${_lib_suffix} lib${_lib_suffix} ../lib/${_lib_suffix} ../lib${_lib_suffix}
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lib ../lib
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libs/x${_lib_arch} libsx${_lib_arch} ../libs/x${_lib_arch} ../libsx${_lib_arch}
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libs/${_lib_suffix} libs${_lib_suffix} ../libs/${_lib_suffix} ../libs${_lib_suffix}
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libs ../libs
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bin/x${_lib_arch} binx${_lib_arch} ../bin/x${_lib_arch} ../binx${_lib_arch}
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bin/${_lib_suffix} bin${_lib_suffix} ../bin/${_lib_suffix} ../bin${_lib_suffix}
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bin ../bin
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)
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find_file(SDL2_BINARY
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"SDL2${_lib_ext}"
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HINTS
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${SDL2Path${_lib_suffix}}
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${SDL2Path}
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${SDLPath${_lib_suffix}}
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${SDLPath}
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${SDL2_DIR}
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${SDL_DIR}
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PATHS
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/usr/lib /usr/local/lib /opt/local/lib /sw/lib
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PATH_SUFFIXES
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lib/x${_lib_arch} libx${_lib_arch} ../lib/x${_lib_arch} ../libx${_lib_arch}
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lib/${_lib_suffix} lib${_lib_suffix} ../lib/${_lib_suffix} ../lib${_lib_suffix}
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lib ../lib
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libs/x${_lib_arch} libsx${_lib_arch} ../libs/x${_lib_arch} ../libsx${_lib_arch}
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libs/${_lib_suffix} libs${_lib_suffix} ../libs/${_lib_suffix} ../libs${_lib_suffix}
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libs ../libs
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bin/x${_lib_arch} binx${_lib_arch} ../bin/x${_lib_arch} ../binx${_lib_arch}
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bin/${_lib_suffix} bin${_lib_suffix} ../bin/${_lib_suffix} ../bin${_lib_suffix}
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bin ../bin
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)
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if(SDL2_INCLUDE_DIR AND SDL2_LIBRARY)
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set(SDL2_FOUND TRUE PARENT_SCOPE)
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set(SDL2_INCLUDE_DIRS ${SDL2_INCLUDE_DIR} PARENT_SCOPE)
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set(SDL2_LIBRARIES ${SDL2_LIBRARY} PARENT_SCOPE)
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set(SDL2_BINARIES ${SDL2_BINARY} PARENT_SCOPE)
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set(_vfile "${SDL2_INCLUDE_DIR}/SDL_version.h")
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if(EXISTS "${_vfile}")
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file(STRINGS "${_vfile}" _version_parse REGEX "^.*SDL_(MAJOR|MINOR)_VERSION[ \t]+[0-9]+[ \t]*$")
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string(REGEX REPLACE ".*SDL_MAJOR_VERSION[ \t]+([0-9]+).*" "\\1" _major "${_version_parse}")
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string(REGEX REPLACE ".*SDL_MINOR_VERSION[ \t]+([0-9]+).*" "\\1" _minor "${_version_parse}")
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set(SDL2_VERSION_MAJOR "${_major}" PARENT_SCOPE)
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set(SDL2_VERSION_MINOR "${_minor}" PARENT_SCOPE)
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set(SDL2_VERSION_STRING "${_major}.${_minor}" PARENT_SCOPE)
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else()
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message(STATUS "Failed parsing SDL2 version")
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endif()
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endif()
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endfunction()
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function(find_sdl2_component component)
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string(TOUPPER "${component}" component_u)
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set(SDL2_${component_u}_FOUND FALSE PARENT_SCOPE)
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set(SDL2_${component}_FOUND FALSE PARENT_SCOPE)
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set(SDL2_${component_u}_LIBRARIES PARENT_SCOPE)
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set(SDL2_${component}_LIBRARIES PARENT_SCOPE)
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mark_as_advanced(
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SDL2_${component_u}_FOUND
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SDL2_${component}_FOUND
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SDL2_${component_u}_LIBRARIES
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SDL2_${component}_LIBRARIES
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SDL2_${component_u}_BINARIES
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SDL2_${component}_BINARIES
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)
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if(NOT SDL2_FOUND)
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message(STATUS "SDL2 not found, not looking for components.")
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return()
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endif()
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# Find component
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set(SDL2_${component_u}_LIBRARY)
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find_file(SDL2_${component_u}_LIBRARY
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"SDL2${component}.lib"
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HINTS
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${SDL2Path${_lib_suffix}}
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${SDL2Path}
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${SDLPath${_lib_suffix}}
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${SDLPath}
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${SDL2_DIR}
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${SDL_DIR}
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PATHS
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/usr/lib /usr/local/lib /opt/local/lib /sw/lib
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PATH_SUFFIXES
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lib/x${_lib_arch} libx${_lib_arch} ../lib/x${_lib_arch} ../libx${_lib_arch}
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lib/${_lib_suffix} lib${_lib_suffix} ../lib/${_lib_suffix} ../lib${_lib_suffix}
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lib ../lib
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libs/x${_lib_arch} libsx${_lib_arch} ../libs/x${_lib_arch} ../libsx${_lib_arch}
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libs/${_lib_suffix} libs${_lib_suffix} ../libs/${_lib_suffix} ../libs${_lib_suffix}
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libs ../libs
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bin/x${_lib_arch} binx${_lib_arch} ../bin/x${_lib_arch} ../binx${_lib_arch}
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bin/${_lib_suffix} bin${_lib_suffix} ../bin/${_lib_suffix} ../bin${_lib_suffix}
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bin ../bin
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)
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if(SDL2_${component_u}_LIBRARY)
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set(SDL2_${component_u}_FOUND TRUE PARENT_SCOPE)
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set(SDL2_${component}_FOUND TRUE PARENT_SCOPE)
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set(SDL2_${component_u}_LIBRARIES ${SDL2_${component_u}_LIBRARY} PARENT_SCOPE)
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set(SDL2_${component}_LIBRARIES ${SDL2_${component_u}_LIBRARY} PARENT_SCOPE)
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list(APPEND SDL2_LIBRARIES ${SDL2_${component_u}_LIBRARIES})
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list(REMOVE_DUPLICATES SDL2_LIBRARIES)
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set(SDL2_LIBRARIES "${SDL2_LIBRARIES}" PARENT_SCOPE)
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endif()
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endfunction()
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# Library
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find_sdl2()
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# Components
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list(GET SDL2_FIND_COMPONENTS 0 _first_comp)
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string(TOUPPER "${_first_comp}" _first_comp)
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foreach(component ${SDL2_FIND_COMPONENTS})
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if(component STREQUAL "main")
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find_sdl2_component("${component}")
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elseif(component STREQUAL "test")
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find_sdl2_component("${component}")
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else()
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message(FATAL_ERROR "Unknown FFmpeg component requested: ${component}")
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endif()
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endforeach()
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# Default
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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_LIBRARIES SDL2_INCLUDE_DIRS SDL2_BINARIES
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VERSION_VAR SDL2_VERSION_STRING
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)
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