kwin/cmake/modules/FindXKB.cmake
Volker Krause d920b323bd Follow ECM documentation style
Summary: In preparation for upstreaming to ECM, as qtbase needs this as well.

Reviewers: apol

Reviewed By: apol

Subscribers: kwin

Tags: #kwin

Differential Revision: https://phabricator.kde.org/D18944
2019-02-12 11:56:21 +01:00

111 lines
3.8 KiB
CMake

#.rst:
# FindXKB
# -------
#
# Try to find xkbcommon on a Unix system
# If found, this will define the following variables:
#
# ``XKB_FOUND``
# True if XKB is available
# ``XKB_LIBRARIES``
# Link these to use XKB
# ``XKB_INCLUDE_DIRS``
# Include directory for XKB
# ``XKB_DEFINITIONS``
# Compiler flags for using XKB
#
# Additionally, the following imported targets will be defined:
#
# ``XKB::XKB``
# The XKB library
#=============================================================================
# Copyright (c) 2014 Martin Gräßlin <mgraesslin@kde.org>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. Neither the name of the University nor the names of its contributors
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#=============================================================================
if(CMAKE_VERSION VERSION_LESS 2.8.12)
message(FATAL_ERROR "CMake 2.8.12 is required by FindXKB.cmake")
endif()
if(CMAKE_MINIMUM_REQUIRED_VERSION VERSION_LESS 2.8.12)
message(AUTHOR_WARNING "Your project should require at least CMake 2.8.12 to use FindXKB.cmake")
endif()
if(NOT WIN32)
# Use pkg-config to get the directories and then use these values
# in the FIND_PATH() and FIND_LIBRARY() calls
find_package(PkgConfig)
pkg_check_modules(PKG_XKB QUIET xkbcommon)
set(XKB_DEFINITIONS ${PKG_XKB_CFLAGS_OTHER})
find_path(XKB_INCLUDE_DIR
NAMES
xkbcommon/xkbcommon.h
HINTS
${PKG_XKB_INCLUDE_DIRS}
)
find_library(XKB_LIBRARY
NAMES
xkbcommon
HINTS
${PKG_XKB_LIBRARY_DIRS}
)
set(XKB_LIBRARIES ${XKB_LIBRARY})
set(XKB_INCLUDE_DIRS ${XKB_INCLUDE_DIR})
set(XKB_VERSION ${PKG_XKB_VERSION})
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(XKB
FOUND_VAR
XKB_FOUND
REQUIRED_VARS
XKB_LIBRARY
XKB_INCLUDE_DIR
VERSION_VAR
XKB_VERSION
)
if(XKB_FOUND AND NOT TARGET XKB::XKB)
add_library(XKB::XKB UNKNOWN IMPORTED)
set_target_properties(XKB::XKB PROPERTIES
IMPORTED_LOCATION "${XKB_LIBRARY}"
INTERFACE_COMPILE_OPTIONS "${XKB_DEFINITIONS}"
INTERFACE_INCLUDE_DIRECTORIES "${XKB_INCLUDE_DIR}"
)
endif()
else()
message(STATUS "FindXKB.cmake cannot find XKB on Windows systems.")
set(XKB_FOUND FALSE)
endif()
include(FeatureSummary)
set_package_properties(XKB PROPERTIES
URL "http://xkbcommon.org"
DESCRIPTION "XKB API common to servers and clients."
)