98 lines
3.1 KiB
CMake
98 lines
3.1 KiB
CMake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#[=======================================================================[.rst:
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FindWebP
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-------
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Finds the WebP library.
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Imported Targets
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^^^^^^^^^^^^^^^^
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This module provides the following imported targets, if found:
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``WebP::WebP``
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The WebP library
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Result Variables
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^^^^^^^^^^^^^^^^
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This will define the following variables:
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``WebP_FOUND``
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True if the system has the WebP library.
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``WebP_VERSION``
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The version of the WebP library which was found.
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``WebP_INCLUDE_DIRS``
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Include directories needed to use WebP.
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``WebP_LIBRARIES``
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Libraries needed to link to WebP.
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Cache Variables
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^^^^^^^^^^^^^^^
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The following cache variables may also be set:
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``WebP_INCLUDE_DIR``
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The directory containing ``decode.h``.
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``WebP_LIBRARY``
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The path to the Foo library.
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#]=======================================================================]
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if(NOT WebP_LIBRARY)
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find_package(PkgConfig QUIET)
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pkg_check_modules(PC_WebP QUIET libwebp)
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set(WebP_VERSION ${PC_WebP_VERSION})
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find_path(WebP_INCLUDE_DIR NAMES decode.h HINTS ${PC_WebP_INCLUDEDIR} ${PC_WebP_INCLUDE_DIR} PATH_SUFFIXES webp)
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find_library(WebP_LIBRARY_RELEASE NAMES ${WebP_NAMES} webp HINTS ${PC_WebP_LIBDIR} ${PC_WebP_LIBRARY_DIRS})
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find_library(WebP_LIBRARY_DEBUG NAMES ${WebP_NAMES} webpd HINTS ${PC_WebP_LIBDIR} ${PC_WebP_LIBRARY_DIRS})
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include(SelectLibraryConfigurations)
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select_library_configurations(WebP)
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else()
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file(TO_CMAKE_PATH "${WebP_LIBRARY}" WebP_LIBRARY)
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endif()
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if ("${WebP_FIND_VERSION}" VERSION_GREATER "${WebP_VERSION}")
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if (WebP_VERSION)
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message(FATAL_ERROR "Required version (" ${WebP_FIND_VERSION} ") is higher than found version (" ${PC_WebP_VERSION} ")")
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else ()
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message(WARNING "Cannot determine WebP version without pkg-config")
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endif ()
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endif ()
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(WebP
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FOUND_VAR WebP_FOUND
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REQUIRED_VARS
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WebP_LIBRARY
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WebP_INCLUDE_DIR
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VERSION_VAR WebP_VERSION
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)
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mark_as_advanced(WebP_INCLUDE_DIR WebP_LIBRARY)
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if (WebP_FOUND)
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set(WebP_LIBRARIES ${WebP_LIBRARY})
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set(WebP_INCLUDE_DIRS ${WebP_INCLUDE_DIR})
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if(NOT TARGET WebP::WebP)
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add_library(WebP::WebP UNKNOWN IMPORTED)
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set_target_properties(WebP::WebP PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES ${WebP_INCLUDE_DIR}
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IMPORTED_LINK_INTERFACE_LANGUAGES C)
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if(WebP_LIBRARY_RELEASE)
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set_property(TARGET WebP::WebP APPEND PROPERTY IMPORTED_CONFIGURATIONS RELEASE)
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set_target_properties(WebP::WebP PROPERTIES IMPORTED_LOCATION_RELEASE "${WebP_LIBRARY_RELEASE}")
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endif()
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if(WebP_LIBRARY_DEBUG)
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set_property(TARGET WebP::WebP APPEND PROPERTY IMPORTED_CONFIGURATIONS DEBUG)
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set_target_properties(WebP::WebP PROPERTIES IMPORTED_LOCATION_DEBUG "${WebP_LIBRARY_DEBUG}")
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endif()
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if(NOT WebP_LIBRARY_RELEASE AND NOT WebP_LIBRARY_DEBUG)
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set_target_properties(WebP::WebP PROPERTIES IMPORTED_LOCATION "${WebP_LIBRARY}")
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endif()
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endif()
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endif ()
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