| # based on the files generated by CMake's write_basic_package_version_file |
| |
| # SDL2 CMake version configuration file: |
| # This file is meant to be placed in a cmake subfolder of SDL2-devel-2.x.y-VC |
| |
| if(NOT EXISTS "${CMAKE_CURRENT_LIST_DIR}/../include/SDL_version.h") |
| message(AUTHOR_WARNING "Could not find SDL_version.h. This script is meant to be placed in the root of SDL2-devel-2.x.y-VC") |
| return() |
| endif() |
| |
| file(READ "${CMAKE_CURRENT_LIST_DIR}/../include/SDL_version.h" _sdl_version_h) |
| string(REGEX MATCH "#define[ \t]+SDL_MAJOR_VERSION[ \t]+([0-9]+)" _sdl_major_re "${_sdl_version_h}") |
| set(_sdl_major "${CMAKE_MATCH_1}") |
| string(REGEX MATCH "#define[ \t]+SDL_MINOR_VERSION[ \t]+([0-9]+)" _sdl_minor_re "${_sdl_version_h}") |
| set(_sdl_minor "${CMAKE_MATCH_1}") |
| string(REGEX MATCH "#define[ \t]+SDL_PATCHLEVEL[ \t]+([0-9]+)" _sdl_patch_re "${_sdl_version_h}") |
| set(_sdl_patch "${CMAKE_MATCH_1}") |
| if(_sdl_major_re AND _sdl_minor_re AND _sdl_patch_re) |
| set(PACKAGE_VERSION "${_sdl_major}.${_sdl_minor}.${_sdl_patch}") |
| else() |
| message(AUTHOR_WARNING "Could not extract version from SDL_version.h.") |
| return() |
| endif() |
| |
| if(PACKAGE_FIND_VERSION_RANGE) |
| # Package version must be in the requested version range |
| if ((PACKAGE_FIND_VERSION_RANGE_MIN STREQUAL "INCLUDE" AND PACKAGE_VERSION VERSION_LESS PACKAGE_FIND_VERSION_MIN) |
| OR ((PACKAGE_FIND_VERSION_RANGE_MAX STREQUAL "INCLUDE" AND PACKAGE_VERSION VERSION_GREATER PACKAGE_FIND_VERSION_MAX) |
| OR (PACKAGE_FIND_VERSION_RANGE_MAX STREQUAL "EXCLUDE" AND PACKAGE_VERSION VERSION_GREATER_EQUAL PACKAGE_FIND_VERSION_MAX))) |
| set(PACKAGE_VERSION_COMPATIBLE FALSE) |
| else() |
| set(PACKAGE_VERSION_COMPATIBLE TRUE) |
| endif() |
| else() |
| if(PACKAGE_VERSION VERSION_LESS PACKAGE_FIND_VERSION) |
| set(PACKAGE_VERSION_COMPATIBLE FALSE) |
| else() |
| set(PACKAGE_VERSION_COMPATIBLE TRUE) |
| if(PACKAGE_FIND_VERSION STREQUAL PACKAGE_VERSION) |
| set(PACKAGE_VERSION_EXACT TRUE) |
| endif() |
| endif() |
| endif() |
| |
| # if the using project doesn't have CMAKE_SIZEOF_VOID_P set, fail. |
| if("${CMAKE_SIZEOF_VOID_P}" STREQUAL "") |
| set(PACKAGE_VERSION_UNSUITABLE TRUE) |
| endif() |
| |
| # check that the installed version has the same 32/64bit-ness as the one which is currently searching: |
| if(NOT (CMAKE_SIZEOF_VOID_P STREQUAL "8" OR CMAKE_SIZEOF_VOID_P STREQUAL "4")) |
| set(PACKAGE_VERSION "${PACKAGE_VERSION} (32+64bit)") |
| set(PACKAGE_VERSION_UNSUITABLE TRUE) |
| endif() |