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Modernize FindSDL2_image.cmake (SDL2::Image)

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This commit is contained in:
Amine B. Hassouna 2019-02-03 09:56:30 +01:00
parent e320b353ad
commit d311283000
1 changed files with 27 additions and 2 deletions
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29
FindSDL2_image.cmake
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@ -7,6 +7,16 @@ FindSDL2_image
Locate SDL2_image library Locate SDL2_image library
This module defines the following 'IMPORTED' target:
::
SDL2::Image
The SDL2_image library, if found.
Have SDL2::Core as a link dependency.
This module will set the following variables in your project: This module will set the following variables in your project:
:: ::
@ -42,8 +52,9 @@ Additional Note: If you see an empty SDL2_IMAGE_LIBRARY in your project
configuration, it means CMake did not find your SDL2_image library configuration, it means CMake did not find your SDL2_image library
(SDL2_image.dll, libsdl2_image.so, etc). Set SDL2_IMAGE_LIBRARY to point (SDL2_image.dll, libsdl2_image.so, etc). Set SDL2_IMAGE_LIBRARY to point
to your SDL2_image library, and configure again. This value is used to to your SDL2_image library, and configure again. This value is used to
generate the final SDL2_IMAGE_LIBRARIES variable, but when this value is generate the final SDL2_IMAGE_LIBRARIES variable and the SDL2::Image target,
unset, SDL2_IMAGE_LIBRARIES does not get created. but when this value is unset, SDL2_IMAGE_LIBRARIES and SDL2::Image does not
get created.
$SDL2IMAGEDIR is an environment variable that would correspond to the $SDL2IMAGEDIR is an environment variable that would correspond to the
@ -59,6 +70,8 @@ Created by Amine Ben Hassouna:
Add cache variables for more flexibility: Add cache variables for more flexibility:
SDL2_IMAGE_PATH, SDL2_IMAGE_NO_DEFAULT_PATH (for details, see doc above). SDL2_IMAGE_PATH, SDL2_IMAGE_NO_DEFAULT_PATH (for details, see doc above).
Add SDL2 as a required dependency. Add SDL2 as a required dependency.
Modernize the FindSDL2_image.cmake module by creating a specific target:
SDL2::Image (for details, see doc above).
Original FindSDL_image.cmake module: Original FindSDL_image.cmake module:
Created by Eric Wing. This was influenced by the FindSDL.cmake Created by Eric Wing. This was influenced by the FindSDL.cmake
@ -164,3 +177,15 @@ mark_as_advanced(SDL2_IMAGE_PATH
SDL2_IMAGE_LIBRARY SDL2_IMAGE_LIBRARY
SDL2_IMAGE_INCLUDE_DIR) SDL2_IMAGE_INCLUDE_DIR)
if(SDL2_IMAGE_FOUND)
# SDL2::Image target
if(SDL2_IMAGE_LIBRARY AND NOT TARGET SDL2::Image)
add_library(SDL2::Image UNKNOWN IMPORTED)
set_target_properties(SDL2::Image PROPERTIES
IMPORTED_LOCATION "${SDL2_IMAGE_LIBRARY}"
INTERFACE_INCLUDE_DIRECTORIES "${SDL2_IMAGE_INCLUDE_DIR}"
INTERFACE_LINK_LIBRARIES SDL2::Core)
endif()
endif()