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e2ec3b671b
- The find_* commands now provide a HINTS option.
- The option specifies paths to be preferred over the system paths.
- Many Find* modules were using two find calls with NO_DEFAULT_PATH
to approximate the behavior, but that blocked users from overriding
things with CMAKE_PREFIX_PATH.
- This commit uses the HINTS feature to get desired behavior in
only one find command call.
72 lines
2.6 KiB
CMake
72 lines
2.6 KiB
CMake
# Find KDE4 and provide all necessary variables and macros to compile software for it.
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# It looks for KDE 4 in the following directories in the given order:
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# CMAKE_INSTALL_PREFIX
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# KDEDIRS
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# /opt/kde4
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#
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# Please look in FindKDE4Internal.cmake and KDE4Macros.cmake for more information.
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# They are installed with the KDE 4 libraries in $KDEDIRS/share/apps/cmake/modules/.
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#
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# Author: Alexander Neundorf <neundorf@kde.org>
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FILE(TO_CMAKE_PATH "$ENV{KDEDIRS}" _KDEDIRS)
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# when cross compiling, searching kde4-config in order to run it later on
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# doesn't make a lot of sense. We'll have to do something about this.
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# Searching always in the target environment ? Then we get at least the correct one,
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# still it can't be used to run it. Alex
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# For KDE4 kde-config has been renamed to kde4-config
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FIND_PROGRAM(KDE4_KDECONFIG_EXECUTABLE NAMES kde4-config
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# the suffix must be used since KDEDIRS can be a list of directories which don't have bin/ appended
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PATH_SUFFIXES bin
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HINTS
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${CMAKE_INSTALL_PREFIX}
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${_KDEDIRS}
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/opt/kde4
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ONLY_CMAKE_FIND_ROOT_PATH
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)
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IF (NOT KDE4_KDECONFIG_EXECUTABLE)
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IF (KDE4_FIND_REQUIRED)
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MESSAGE(FATAL_ERROR "ERROR: Could not find KDE4 kde4-config")
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ENDIF (KDE4_FIND_REQUIRED)
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ENDIF (NOT KDE4_KDECONFIG_EXECUTABLE)
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# when cross compiling, KDE4_DATA_DIR may be already preset
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IF(NOT KDE4_DATA_DIR)
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IF(CMAKE_CROSSCOMPILING)
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# when cross compiling, don't run kde4-config but use its location as install dir
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GET_FILENAME_COMPONENT(KDE4_DATA_DIR "${KDE4_KDECONFIG_EXECUTABLE}" PATH)
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GET_FILENAME_COMPONENT(KDE4_DATA_DIR "${KDE4_DATA_DIR}" PATH)
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ELSE(CMAKE_CROSSCOMPILING)
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# then ask kde4-config for the kde data dirs
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EXECUTE_PROCESS(COMMAND "${KDE4_KDECONFIG_EXECUTABLE}" --path data OUTPUT_VARIABLE _data_DIR ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
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FILE(TO_CMAKE_PATH "${_data_DIR}" _data_DIR)
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# then check the data dirs for FindKDE4Internal.cmake
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FIND_PATH(KDE4_DATA_DIR cmake/modules/FindKDE4Internal.cmake ${_data_DIR})
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ENDIF(CMAKE_CROSSCOMPILING)
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ENDIF(NOT KDE4_DATA_DIR)
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# if it has been found...
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IF (KDE4_DATA_DIR)
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SET(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${KDE4_DATA_DIR}/cmake/modules)
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IF (KDE4_FIND_QUIETLY)
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SET(_quiet QUIET)
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ENDIF (KDE4_FIND_QUIETLY)
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IF (KDE4_FIND_REQUIRED)
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SET(_req REQUIRED)
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ENDIF (KDE4_FIND_REQUIRED)
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# use FindKDE4Internal.cmake to do the rest
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FIND_PACKAGE(KDE4Internal ${_req} ${_quiet})
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ELSE (KDE4_DATA_DIR)
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IF (KDE4_FIND_REQUIRED)
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MESSAGE(FATAL_ERROR "ERROR: cmake/modules/FindKDE4Internal.cmake not found in ${_data_DIR}")
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ENDIF (KDE4_FIND_REQUIRED)
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ENDIF (KDE4_DATA_DIR)
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