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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
#[=======================================================================[.rst:
FindKDE4
--------
Find KDE4 and provide all necessary variables and macros to compile
software for it. It looks for KDE 4 in the following directories in
the given order:
::
CMAKE_INSTALL_PREFIX
KDEDIRS
/opt/kde4
Please look in ``FindKDE4Internal.cmake`` and ``KDE4Macros.cmake`` for more
information. They are installed with the KDE 4 libraries in
$KDEDIRS/share/apps/cmake/modules/.
Author: Alexander Neundorf <neundorf@kde.org>
#]=======================================================================]
# If Qt3 has already been found, fail.
if(QT_QT_LIBRARY)
if(KDE4_FIND_REQUIRED)
message( FATAL_ERROR "KDE4/Qt4 and Qt3 cannot be used together in one project.")
else()
if(NOT KDE4_FIND_QUIETLY)
message( STATUS "KDE4/Qt4 and Qt3 cannot be used together in one project.")
endif()
return()
endif()
endif()
file(TO_CMAKE_PATH "$ENV{KDEDIRS}" _KDEDIRS)
# when cross compiling, searching kde4-config in order to run it later on
# doesn't make a lot of sense. We'll have to do something about this.
# Searching always in the target environment ? Then we get at least the correct one,
# still it can't be used to run it. Alex
# For KDE4 kde-config has been renamed to kde4-config
find_program(KDE4_KDECONFIG_EXECUTABLE NAMES kde4-config
# the suffix must be used since KDEDIRS can be a list of directories which don't have bin/ appended
PATH_SUFFIXES bin
HINTS
${CMAKE_INSTALL_PREFIX}
${_KDEDIRS}
/opt/kde4
ONLY_CMAKE_FIND_ROOT_PATH
)
if (NOT KDE4_KDECONFIG_EXECUTABLE)
if (KDE4_FIND_REQUIRED)
message(FATAL_ERROR "ERROR: Could not find KDE4 kde4-config")
endif ()
endif ()
# when cross compiling, KDE4_DATA_DIR may be already preset
if(NOT KDE4_DATA_DIR)
if(CMAKE_CROSSCOMPILING)
# when cross compiling, don't run kde4-config but use its location as install dir
get_filename_component(KDE4_DATA_DIR "${KDE4_KDECONFIG_EXECUTABLE}" PATH)
get_filename_component(KDE4_DATA_DIR "${KDE4_DATA_DIR}" PATH)
else()
# then ask kde4-config for the kde data dirs
if(KDE4_KDECONFIG_EXECUTABLE)
execute_process(COMMAND "${KDE4_KDECONFIG_EXECUTABLE}" --path data OUTPUT_VARIABLE _data_DIR ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
file(TO_CMAKE_PATH "${_data_DIR}" _data_DIR)
# then check the data dirs for FindKDE4Internal.cmake
find_path(KDE4_DATA_DIR cmake/modules/FindKDE4Internal.cmake HINTS ${_data_DIR})
endif()
endif()
endif()
# if it has been found...
if (KDE4_DATA_DIR)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${KDE4_DATA_DIR}/cmake/modules)
if (KDE4_FIND_QUIETLY)
set(_quiet QUIET)
endif ()
if (KDE4_FIND_REQUIRED)
set(_req REQUIRED)
endif ()
# use FindKDE4Internal.cmake to do the rest
find_package(KDE4Internal ${_req} ${_quiet} NO_POLICY_SCOPE)
else ()
if (KDE4_FIND_REQUIRED)
message(FATAL_ERROR "ERROR: cmake/modules/FindKDE4Internal.cmake not found in ${_data_DIR}")
endif ()
endif ()
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