obs-studio/cmake/Modules/FindWIL.cmake

98 lines
2.7 KiB
CMake

#[=======================================================================[.rst
FindWIL
-------
FindModule for WIL and associated headers
Imported Targets
^^^^^^^^^^^^^^^^
.. versionadded:: 3.0
This module defines the :prop_tgt:`IMPORTED` target ``WIL::WIL``.
Result Variables
^^^^^^^^^^^^^^^^
This module sets the following variables:
``WIL_FOUND``
True, if headers were found.
``WIL_VERSION``
Detected version of found WIL headers.
Cache variables
^^^^^^^^^^^^^^^
The following cache variables may also be set:
``WIL_INCLUDE_DIR``
Directory containing ``cppwinrt.h``.
#]=======================================================================]
# cmake-format: off
# cmake-lint: disable=C0103
# cmake-lint: disable=C0301
# cmake-format: on
find_package(PkgConfig QUIET)
if(PKG_CONFIG_FOUND)
pkg_search_module(_WIL QUIET wil)
endif()
find_path(
WIL_INCLUDE_DIR
NAMES wil/cppwinrt.h
HINTS ${_WI_INCLUDE_DIRS} ${_WIL_INCLUDE_DIRS}
PATHS /usr/include /usr/local/include /opt/local/include /sw/include
DOC "WIL include directory")
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(
WIL
REQUIRED_VARS WIL_INCLUDE_DIR
VERSION_VAR WIL_VERSION REASON_FAILURE_MESSAGE "${WIL_ERROR_REASON}")
mark_as_advanced(WIL_INCLUDE_DIR)
unset(WIL_ERROR_REASON)
if(EXISTS "${WIL_INCLUDE_DIR}/wil/cppwinrt.h")
file(STRINGS "${WIL_INCLUDE_DIR}/wil/cppwinrt.h" _version_string REGEX "^.*VERSION_(MAJOR|MINOR)[ \t]+[0-9]+[ \t]*$")
string(REGEX REPLACE ".*VERSION_MAJOR[ \t]+([0-9]+).*" "\\1" _version_major "${_version_string}")
string(REGEX REPLACE ".*VERSION_MINOR[ \t]+([0-9]+).*" "\\1" _version_minor "${_version_string}")
set(WIL_VERSION "${_version_major}.${_version_minor}")
unset(_version_major)
unset(_version_minor)
else()
if(NOT WIL_FIND_QUIETLY)
message(AUTHOR_WARNING "Failed to find WIL version.")
endif()
set(WIL_VERSION 0.0.0)
endif()
if(CMAKE_HOST_SYSTEM_NAME MATCHES "Darwin|Windows")
set(WIL_ERROR_REASON "Ensure that obs-deps is provided as part of CMAKE_PREFIX_PATH.")
elseif(CMAKE_HOST_SYSTEM_NAME MATCHES "Linux|FreeBSD")
set(WIL_ERROR_REASON "Ensure WIL headers are available in local library paths.")
endif()
if(WIL_FOUND)
set(WIL_INCLUDE_DIRS ${WIL_INCLUDE_DIR})
if(NOT TARGET WIL::WIL)
add_library(WIL::WIL INTERFACE IMPORTED)
set_target_properties(WIL::WIL PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${WIL_INCLUDE_DIRS}")
endif()
endif()
include(FeatureSummary)
set_package_properties(
WIL PROPERTIES
URL "https://github.com/microsoft/wil.git"
DESCRIPTION
"The Windows Implementation Libraries (WIL) is a header-only C++ library created to make life easier for developers on Windows through readable type-safe C++ interfaces for common Windows coding patterns."
)