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FindSDL: Add version support

This commit is contained in:
Benjamin Eikel 2012-09-04 16:21:16 +02:00 committed by Brad King
parent 61a566c02a
commit 020d2131ed
1 changed files with 19 additions and 1 deletions
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20
Modules/FindSDL.cmake
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@ -3,6 +3,7 @@
# SDL_LIBRARY, the name of the library to link against # SDL_LIBRARY, the name of the library to link against
# SDL_FOUND, if false, do not try to link to SDL # SDL_FOUND, if false, do not try to link to SDL
# SDL_INCLUDE_DIR, where to find SDL.h # SDL_INCLUDE_DIR, where to find SDL.h
# SDL_VERSION_STRING, human-readable string containing the version of SDL
# #
# This module responds to the the flag: # This module responds to the the flag:
# SDL_BUILDING_LIBRARY # SDL_BUILDING_LIBRARY
@ -167,7 +168,24 @@ if(SDL_LIBRARY_TEMP)
set(SDL_LIBRARY_TEMP "${SDL_LIBRARY_TEMP}" CACHE INTERNAL "") set(SDL_LIBRARY_TEMP "${SDL_LIBRARY_TEMP}" CACHE INTERNAL "")
endif() endif()
if(SDL_INCLUDE_DIR AND EXISTS "${SDL_INCLUDE_DIR}/SDL_version.h")
file(STRINGS "${SDL_INCLUDE_DIR}/SDL_version.h" SDL_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_MAJOR_VERSION[ \t]+[0-9]+$")
file(STRINGS "${SDL_INCLUDE_DIR}/SDL_version.h" SDL_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_MINOR_VERSION[ \t]+[0-9]+$")
file(STRINGS "${SDL_INCLUDE_DIR}/SDL_version.h" SDL_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_PATCHLEVEL[ \t]+[0-9]+$")
string(REGEX REPLACE "^#define[ \t]+SDL_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL_VERSION_MAJOR "${SDL_VERSION_MAJOR_LINE}")
string(REGEX REPLACE "^#define[ \t]+SDL_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL_VERSION_MINOR "${SDL_VERSION_MINOR_LINE}")
string(REGEX REPLACE "^#define[ \t]+SDL_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL_VERSION_PATCH "${SDL_VERSION_PATCH_LINE}")
set(SDL_VERSION_STRING ${SDL_VERSION_MAJOR}.${SDL_VERSION_MINOR}.${SDL_VERSION_PATCH})
unset(SDL_VERSION_MAJOR_LINE)
unset(SDL_VERSION_MINOR_LINE)
unset(SDL_VERSION_PATCH_LINE)
unset(SDL_VERSION_MAJOR)
unset(SDL_VERSION_MINOR)
unset(SDL_VERSION_PATCH)
endif()
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake) include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL
REQUIRED_VARS SDL_LIBRARY SDL_INCLUDE_DIR) REQUIRED_VARS SDL_LIBRARY SDL_INCLUDE_DIR
VERSION_VAR SDL_VERSION_STRING)