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# 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 $KDEDIRS/share/apps/cmake/modules/.
#
# Author: Alexander Neundorf <neundorf@kde.org>
# If Qt3 has already been found, fail.
IF(QT_QT_LIBRARY)
IF(KDE4_FIND_REQUIRED)
MESSAGE( FATAL_ERROR "KDE4/Qt4 and Qt3 cannot be used together in one project.")
ELSE(KDE4_FIND_REQUIRED)
IF(NOT KDE4_FIND_QUIETLY)
MESSAGE( STATUS "KDE4/Qt4 and Qt3 cannot be used together in one project.")
ENDIF(NOT KDE4_FIND_QUIETLY)
RETURN()
ENDIF(KDE4_FIND_REQUIRED)
ENDIF(QT_QT_LIBRARY)
FILE(TO_CMAKE_PATH "$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}
${_KDEDIRS}
/opt/kde4
ONLY_CMAKE_FIND_ROOT_PATH
)
IF (NOT KDE4_KDECONFIG_EXECUTABLE)
IF (KDE4_FIND_REQUIRED)
MESSAGE(FATAL_ERROR "ERROR: Could not find KDE4 kde4-config")
ENDIF (KDE4_FIND_REQUIRED)
ENDIF (NOT KDE4_KDECONFIG_EXECUTABLE)
# when cross compiling, KDE4_DATA_DIR may be already preset
IF(NOT KDE4_DATA_DIR)
IF(CMAKE_CROSSCOMPILING)
# when cross compiling, don't run kde4-config but use its location as install dir
GET_FILENAME_COMPONENT(KDE4_DATA_DIR "${KDE4_KDECONFIG_EXECUTABLE}" PATH)
GET_FILENAME_COMPONENT(KDE4_DATA_DIR "${KDE4_DATA_DIR}" PATH)
ELSE(CMAKE_CROSSCOMPILING)
# then ask kde4-config for the kde data dirs
IF(KDE4_KDECONFIG_EXECUTABLE)
EXECUTE_PROCESS(COMMAND "${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 ${_data_DIR})
ENDIF(KDE4_KDECONFIG_EXECUTABLE)
ENDIF(CMAKE_CROSSCOMPILING)
ENDIF(NOT KDE4_DATA_DIR)
# 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 (KDE4_FIND_QUIETLY)
IF (KDE4_FIND_REQUIRED)
SET(_req REQUIRED)
ENDIF (KDE4_FIND_REQUIRED)
# use FindKDE4Internal.cmake to do the rest
FIND_PACKAGE(KDE4Internal ${_req} ${_quiet})
ELSE (KDE4_DATA_DIR)
IF (KDE4_FIND_REQUIRED)
MESSAGE(FATAL_ERROR "ERROR: cmake/modules/FindKDE4Internal.cmake not found in ${_data_DIR}")
ENDIF (KDE4_FIND_REQUIRED)
ENDIF (KDE4_DATA_DIR)
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