cmake_modules/FindSDL_Extras.cmake
author nemo
Sun, 11 Sep 2011 13:12:52 -0400
changeset 5862 b4229b0abc70
parent 5019 e38d1720a0ff
child 6613 c7bf3b7c49dd
permissions -rw-r--r--
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#if the headers are not installed, the newer apis won't be activated
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#find which version of SDL we are building against
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find_file(sdl_h SDL_version.h ${SDL_INCLUDE_DIR})
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if(sdl_h)
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    file(STRINGS ${sdl_h} sdl_majorversion_tmp REGEX "SDL_MAJOR_VERSION[\t' ']+[0-9]+")
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    file(STRINGS ${sdl_h} sdl_minorversion_tmp REGEX "SDL_MINOR_VERSION[\t' ']+[0-9]+")
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    file(STRINGS ${sdl_h} sdl_patchversion_tmp REGEX "SDL_PATCHLEVEL[\t' ']+[0-9]+")
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    string(REGEX MATCH ".([0-9]+)" sdl_majorversion "${sdl_majorversion_tmp}")
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    string(REGEX MATCH ".([0-9]+)" sdl_minorversion "${sdl_minorversion_tmp}")
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    string(REGEX MATCH ".([0-9]+)" sdl_patchversion "${sdl_patchversion_tmp}")
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    math(EXPR sdl_version "${sdl_majorversion}*10000 + ${sdl_minorversion}*100 + ${sdl_patchversion}")
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    if(NOT (sdl_version LESS "010300"))
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        message(STATUS "Enabling SDL-1.3+ calls")
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        set(pascal_compiler_flags_cmn "-dSDL13" ${pascal_compiler_flags_cmn})
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    endif()
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endif()
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#find which version of SDL_mixer we have (for Mix_Init)
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find_file(sdlmixer_h SDL_mixer.h ${SDLMIXER_INCLUDE_DIR})
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if(sdlmixer_h)
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    file(STRINGS ${sdlmixer_h} sdlmixer_majorversion_tmp REGEX "SDL_MIXER_MAJOR_VERSION[\t' ']+[0-9]+")
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    file(STRINGS ${sdlmixer_h} sdlmixer_minorversion_tmp REGEX "SDL_MIXER_MINOR_VERSION[\t' ']+[0-9]+")
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    file(STRINGS ${sdlmixer_h} sdlmixer_patchversion_tmp REGEX "SDL_MIXER_PATCHLEVEL[\t' ']+[0-9]+")
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    string(REGEX MATCH ".([0-9]+)" sdlmixer_majorversion "${sdlmixer_majorversion_tmp}")
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    string(REGEX MATCH ".([0-9]+)" sdlmixer_minorversion "${sdlmixer_minorversion_tmp}")
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    string(REGEX MATCH ".([0-9]+)" sdlmixer_patchversion "${sdlmixer_patchversion_tmp}")
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    math(EXPR sdlmixer_version "${sdlmixer_majorversion}*10000 + ${sdlmixer_minorversion}*100 + ${sdlmixer_patchversion}")
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    if(sdlmixer_version GREATER "10209")
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        message(STATUS "Enabling enhanced SDL_Mixer calls")
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        set(pascal_compiler_flags_cmn "-dSDL_MIXER_NEWER" ${pascal_compiler_flags_cmn})
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    endif()
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endif()
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#find which version of SDL_image we have (for IMG_Init)
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find_file(sdlimage_h SDL_image.h ${SDLIMAGE_INCLUDE_DIR})
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if(sdlimage_h)
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    file(STRINGS ${sdlimage_h} sdlimage_majorversion_tmp REGEX "SDL_IMAGE_MAJOR_VERSION[\t' ']+[0-9]+")
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    file(STRINGS ${sdlimage_h} sdlimage_minorversion_tmp REGEX "SDL_IMAGE_MINOR_VERSION[\t' ']+[0-9]+")
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    file(STRINGS ${sdlimage_h} sdlimage_patchversion_tmp REGEX "SDL_IMAGE_PATCHLEVEL[\t' ']+[0-9]+")
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    string(REGEX MATCH ".([0-9]+)" sdlimage_majorversion "${sdlimage_majorversion_tmp}")
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    string(REGEX MATCH ".([0-9]+)" sdlimage_minorversion "${sdlimage_minorversion_tmp}")
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    string(REGEX MATCH ".([0-9]+)" sdlimage_patchversion "${sdlimage_patchversion_tmp}")
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    math(EXPR sdlimage_version "${sdlimage_majorversion}*10000 + ${sdlimage_minorversion}*100 + ${sdlimage_patchversion}")
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    if(sdlimage_version GREATER "010207")
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        message(STATUS "Enabling enhanced SDL_Image calls")
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        set(pascal_compiler_flags_cmn "-dSDL_IMAGE_NEWER" ${pascal_compiler_flags_cmn})
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    endif()
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endif()
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