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180 lines
6.0 KiB
180 lines
6.0 KiB
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#.rst:
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# FindQt
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# ------
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#
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# Searches for all installed versions of Qt.
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#
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# This should only be used if your project can work with multiple
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# versions of Qt. If not, you should just directly use FindQt4 or
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# FindQt3. If multiple versions of Qt are found on the machine, then
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# The user must set the option DESIRED_QT_VERSION to the version they
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# want to use. If only one version of qt is found on the machine, then
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# the DESIRED_QT_VERSION is set to that version and the matching FindQt3
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# or FindQt4 module is included. Once the user sets DESIRED_QT_VERSION,
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# then the FindQt3 or FindQt4 module is included.
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#
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# This module can only detect and switch between Qt versions 3 and 4. It
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# cannot handle Qt5 or any later versions.
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#
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# ::
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#
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# QT_REQUIRED if this is set to TRUE then if CMake can
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# not find Qt4 or Qt3 an error is raised
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# and a message is sent to the user.
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#
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#
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#
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# ::
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#
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# DESIRED_QT_VERSION OPTION is created
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# QT4_INSTALLED is set to TRUE if qt4 is found.
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# QT3_INSTALLED is set to TRUE if qt3 is found.
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# look for signs of qt3 installations
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file(GLOB GLOB_TEMP_VAR /usr/lib*/qt-3*/bin/qmake /usr/lib*/qt3*/bin/qmake)
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if(GLOB_TEMP_VAR)
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set(QT3_INSTALLED TRUE)
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endif()
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set(GLOB_TEMP_VAR)
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file(GLOB GLOB_TEMP_VAR /usr/local/qt-x11-commercial-3*/bin/qmake)
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if(GLOB_TEMP_VAR)
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set(QT3_INSTALLED TRUE)
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endif()
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set(GLOB_TEMP_VAR)
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file(GLOB GLOB_TEMP_VAR /usr/local/lib/qt3/bin/qmake)
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if(GLOB_TEMP_VAR)
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set(QT3_INSTALLED TRUE)
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endif()
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set(GLOB_TEMP_VAR)
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# look for qt4 installations
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file(GLOB GLOB_TEMP_VAR /usr/local/qt-x11-commercial-4*/bin/qmake)
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if(GLOB_TEMP_VAR)
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set(QT4_INSTALLED TRUE)
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endif()
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set(GLOB_TEMP_VAR)
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file(GLOB GLOB_TEMP_VAR /usr/local/Trolltech/Qt-4*/bin/qmake)
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if(GLOB_TEMP_VAR)
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set(QT4_INSTALLED TRUE)
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endif()
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set(GLOB_TEMP_VAR)
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file(GLOB GLOB_TEMP_VAR /usr/local/lib/qt4/bin/qmake)
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if(GLOB_TEMP_VAR)
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set(QT4_INSTALLED TRUE)
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endif()
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set(GLOB_TEMP_VAR)
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if (Qt_FIND_VERSION)
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if (Qt_FIND_VERSION MATCHES "^([34])(\\.[0-9]+.*)?$")
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set(DESIRED_QT_VERSION ${CMAKE_MATCH_1})
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else ()
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message(FATAL_ERROR "FindQt was called with invalid version '${Qt_FIND_VERSION}'. Only Qt major versions 3 or 4 are supported. If you do not need to support both Qt3 and Qt4 in your source consider calling find_package(Qt3) or find_package(Qt4) instead of find_package(Qt) instead.")
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endif ()
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endif ()
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# now find qmake
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find_program(QT_QMAKE_EXECUTABLE_FINDQT NAMES qmake PATHS "${QT_SEARCH_PATH}/bin" "$ENV{QTDIR}/bin")
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if(QT_QMAKE_EXECUTABLE_FINDQT)
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exec_program(${QT_QMAKE_EXECUTABLE_FINDQT} ARGS "-query QT_VERSION"
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OUTPUT_VARIABLE QTVERSION)
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if(QTVERSION MATCHES "4")
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set(QT_QMAKE_EXECUTABLE ${QT_QMAKE_EXECUTABLE_FINDQT} CACHE PATH "Qt4 qmake program.")
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set(QT4_INSTALLED TRUE)
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endif()
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if(QTVERSION MATCHES "Unknown")
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set(QT3_INSTALLED TRUE)
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endif()
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endif()
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if(QT_QMAKE_EXECUTABLE_FINDQT)
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exec_program( ${QT_QMAKE_EXECUTABLE_FINDQT}
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ARGS "-query QT_INSTALL_HEADERS"
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OUTPUT_VARIABLE qt_headers )
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endif()
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find_file( QT4_QGLOBAL_H_FILE qglobal.h
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"${QT_SEARCH_PATH}/Qt/include"
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"[HKEY_CURRENT_USER\\Software\\Trolltech\\Qt3Versions\\4.0.0;InstallDir]/include/Qt"
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"[HKEY_CURRENT_USER\\Software\\Trolltech\\Versions\\4.0.0;InstallDir]/include/Qt"
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${qt_headers}/Qt
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$ENV{QTDIR}/include/Qt
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/usr/lib/qt/include/Qt
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/usr/share/qt4/include/Qt
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/usr/local/include/X11/qt4/Qt
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C:/Progra~1/qt/include/Qt
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PATH_SUFFIXES qt/include/Qt include/Qt)
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if(QT4_QGLOBAL_H_FILE)
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set(QT4_INSTALLED TRUE)
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endif()
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find_file( QT3_QGLOBAL_H_FILE qglobal.h
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"${QT_SEARCH_PATH}/Qt/include"
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"[HKEY_CURRENT_USER\\Software\\Trolltech\\Qt3Versions\\3.2.1;InstallDir]/include/Qt"
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"[HKEY_CURRENT_USER\\Software\\Trolltech\\Qt3Versions\\3.2.0;InstallDir]/include/Qt"
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"[HKEY_CURRENT_USER\\Software\\Trolltech\\Qt3Versions\\3.1.0;InstallDir]/include/Qt"
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C:/Qt/3.3.3Educational/include
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$ENV{QTDIR}/include
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/usr/include/qt3/Qt
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/usr/share/qt3/include
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/usr/local/include/X11/qt3
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C:/Progra~1/qt/include
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PATH_SUFFIXES qt/include include/qt3)
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if(QT3_QGLOBAL_H_FILE)
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set(QT3_INSTALLED TRUE)
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endif()
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if(QT3_INSTALLED AND QT4_INSTALLED AND NOT DESIRED_QT_VERSION)
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# force user to pick if we have both
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set(DESIRED_QT_VERSION 0 CACHE STRING "Pick a version of Qt to use: 3 or 4")
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else()
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# if only one found then pick that one
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if(QT3_INSTALLED AND NOT DESIRED_QT_VERSION EQUAL 4)
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set(DESIRED_QT_VERSION 3 CACHE STRING "Pick a version of Qt to use: 3 or 4")
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endif()
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if(QT4_INSTALLED AND NOT DESIRED_QT_VERSION EQUAL 3)
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set(DESIRED_QT_VERSION 4 CACHE STRING "Pick a version of Qt to use: 3 or 4")
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endif()
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endif()
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if(DESIRED_QT_VERSION EQUAL 3)
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set(Qt3_FIND_REQUIRED ${Qt_FIND_REQUIRED})
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set(Qt3_FIND_QUIETLY ${Qt_FIND_QUIETLY})
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include(${CMAKE_CURRENT_LIST_DIR}/FindQt3.cmake)
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endif()
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if(DESIRED_QT_VERSION EQUAL 4)
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set(Qt4_FIND_REQUIRED ${Qt_FIND_REQUIRED})
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set(Qt4_FIND_QUIETLY ${Qt_FIND_QUIETLY})
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include(${CMAKE_CURRENT_LIST_DIR}/FindQt4.cmake)
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endif()
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if(NOT QT3_INSTALLED AND NOT QT4_INSTALLED)
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if(QT_REQUIRED)
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message(SEND_ERROR "CMake was unable to find any Qt versions, put qmake in your path, or set QT_QMAKE_EXECUTABLE.")
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endif()
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else()
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if(NOT QT_FOUND AND NOT DESIRED_QT_VERSION)
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if(QT_REQUIRED)
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message(SEND_ERROR "Multiple versions of Qt found please set DESIRED_QT_VERSION")
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else()
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message("Multiple versions of Qt found please set DESIRED_QT_VERSION")
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endif()
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endif()
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if(NOT QT_FOUND AND DESIRED_QT_VERSION)
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if(QT_REQUIRED)
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message(FATAL_ERROR "CMake was unable to find Qt version: ${DESIRED_QT_VERSION}. Set advanced values QT_QMAKE_EXECUTABLE and QT${DESIRED_QT_VERSION}_QGLOBAL_H_FILE, if those are set then QT_QT_LIBRARY or QT_LIBRARY_DIR.")
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else()
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message( "CMake was unable to find desired Qt version: ${DESIRED_QT_VERSION}. Set advanced values QT_QMAKE_EXECUTABLE and QT${DESIRED_QT_VERSION}_QGLOBAL_H_FILE.")
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endif()
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endif()
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endif()
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mark_as_advanced(QT3_QGLOBAL_H_FILE QT4_QGLOBAL_H_FILE QT_QMAKE_EXECUTABLE_FINDQT)
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