mapnik/cmake/FindWebP.cmake
Mathis Logemann eb16e7a647 fix all files
format files
2022-08-14 22:26:31 +02:00

97 lines
3.1 KiB
CMake

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