diff options
| -rw-r--r-- | Modules/FindSDL.cmake | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/Modules/FindSDL.cmake b/Modules/FindSDL.cmake index 22a71b3c31..9fb50029fd 100644 --- a/Modules/FindSDL.cmake +++ b/Modules/FindSDL.cmake @@ -3,6 +3,7 @@ # SDL_LIBRARY, the name of the library to link against # SDL_FOUND, if false, do not try to link to SDL # 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: # SDL_BUILDING_LIBRARY @@ -167,7 +168,24 @@ if(SDL_LIBRARY_TEMP) set(SDL_LIBRARY_TEMP "${SDL_LIBRARY_TEMP}" CACHE INTERNAL "") endif() +if(SDL_INCLUDE_DIR AND EXISTS "${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) 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) |