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FindSDL: Version support for FindSDL_image

This commit is contained in:
Benjamin Eikel 2012-09-04 11:40:06 +02:00 committed by Brad King
parent a5796112cb
commit 34e1a2ae56
1 changed files with 19 additions and 1 deletions
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20
Modules/FindSDL_image.cmake
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@ -3,6 +3,7 @@
# SDLIMAGE_LIBRARY, the name of the library to link against # SDLIMAGE_LIBRARY, the name of the library to link against
# SDLIMAGE_FOUND, if false, do not try to link to SDL # SDLIMAGE_FOUND, if false, do not try to link to SDL
# SDLIMAGE_INCLUDE_DIR, where to find SDL/SDL.h # SDLIMAGE_INCLUDE_DIR, where to find SDL/SDL.h
# SDLIMAGE_VERSION_STRING - human-readable string containing the version of SDL_image
# #
# $SDLDIR is an environment variable that would # $SDLDIR is an environment variable that would
# correspond to the ./configure --prefix=$SDLDIR # correspond to the ./configure --prefix=$SDLDIR
@ -58,7 +59,24 @@ find_library(SDLIMAGE_LIBRARY
/opt /opt
) )
if(SDLIMAGE_INCLUDE_DIR AND EXISTS "${SDLIMAGE_INCLUDE_DIR}/SDL_image.h")
file(STRINGS "${SDLIMAGE_INCLUDE_DIR}/SDL_image.h" SDLIMAGE_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_IMAGE_MAJOR_VERSION[ \t]+[0-9]+$")
file(STRINGS "${SDLIMAGE_INCLUDE_DIR}/SDL_image.h" SDLIMAGE_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_IMAGE_MINOR_VERSION[ \t]+[0-9]+$")
file(STRINGS "${SDLIMAGE_INCLUDE_DIR}/SDL_image.h" SDLIMAGE_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_IMAGE_PATCHLEVEL[ \t]+[0-9]+$")
string(REGEX REPLACE "^#define[ \t]+SDL_IMAGE_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDLIMAGE_VERSION_MAJOR "${SDLIMAGE_VERSION_MAJOR_LINE}")
string(REGEX REPLACE "^#define[ \t]+SDL_IMAGE_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDLIMAGE_VERSION_MINOR "${SDLIMAGE_VERSION_MINOR_LINE}")
string(REGEX REPLACE "^#define[ \t]+SDL_IMAGE_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDLIMAGE_VERSION_PATCH "${SDLIMAGE_VERSION_PATCH_LINE}")
set(SDLIMAGE_VERSION_STRING ${SDLIMAGE_VERSION_MAJOR}.${SDLIMAGE_VERSION_MINOR}.${SDLIMAGE_VERSION_PATCH})
unset(SDLIMAGE_VERSION_MAJOR_LINE)
unset(SDLIMAGE_VERSION_MINOR_LINE)
unset(SDLIMAGE_VERSION_PATCH_LINE)
unset(SDLIMAGE_VERSION_MAJOR)
unset(SDLIMAGE_VERSION_MINOR)
unset(SDLIMAGE_VERSION_PATCH)
endif()
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake) include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDLIMAGE FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDLIMAGE
REQUIRED_VARS SDLIMAGE_LIBRARY SDLIMAGE_INCLUDE_DIR) REQUIRED_VARS SDLIMAGE_LIBRARY SDLIMAGE_INCLUDE_DIR
VERSION_VAR SDLIMAGE_VERSION_STRING)