Source/cmake/FindGUdev.cmake

# - Try to find GUdev
# Once done, this will define
#
#  GUDEV_FOUND - system has GUdev
#  GUDEV_INCLUDE_DIRS - the GUdev include directories
#  GUDEV_LIBRARIES - link these to use GUdev
#
# Copyright (C) 2012 Raphael Kubo da Costa <rakuco@webkit.org>
# Copyright (C) 2013, 2014 Igalia S.L.
#
# 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.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND ITS 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 COPYRIGHT HOLDER OR ITS
# 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.

find_package(PkgConfig)
pkg_check_modules(GUDEV gudev-1.0)

set(VERSION_OK TRUE)
if (GUDEV_VERSION)
    if (GUDEV_FIND_VERSION_EXACT)
        if (NOT("${GUDEV_FIND_VERSION}" VERSION_EQUAL "${GUDEV_VERSION}"))
            set(VERSION_OK FALSE)
        endif ()
    else ()
        if ("${GUDEV_VERSION}" VERSION_LESS "${GUDEV_FIND_VERSION}")
            set(VERSION_OK FALSE)
        endif ()
    endif ()
endif ()

include(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(GUDEV DEFAULT_MSG GUDEV_INCLUDE_DIRS GUDEV_LIBRARIES VERSION_OK)