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# - Searches for Qt4 or Qt5.
# Copyright (C) 2001-2009 Kitware, Inc.
# Copyright (C) 2011 Collabora Ltd. <http://www.collabora.co.uk/>
# Copyright (C) 2011 Nokia Corporation
#
# Redistribution and use is allowed according to the terms of the BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
IF(DESIRED_QT_VERSION MATCHES 5)
# Qt5 was explicitly requested, so use its CMakeConfig instead of qmake which may not be at a global location
find_package(Qt5Core QUIET)
IF( Qt5Core_DIR )
SET(QT5_INSTALLED TRUE)
ENDIF()
ENDIF()
#Otherwise search for installed qmakes
IF(NOT QT5_INSTALLED)
IF(NOT QT_QMAKE_EXECUTABLE)
FIND_PROGRAM(QT_QMAKE_EXECUTABLE_FINDQT NAMES qmake qmake4 qmake-qt4 qmake5 qmake-qt5
PATHS "${QT_SEARCH_PATH}/bin" "$ENV{QTDIR}/bin")
SET(QT_QMAKE_EXECUTABLE ${QT_QMAKE_EXECUTABLE_FINDQT} CACHE PATH "Qt qmake program.")
ENDIF()
# now find qmake
IF(QT_QMAKE_EXECUTABLE)
EXEC_PROGRAM(${QT_QMAKE_EXECUTABLE} ARGS "-query QT_VERSION" OUTPUT_VARIABLE QTVERSION)
IF(QTVERSION MATCHES "^4.*")
SET(QT4_INSTALLED TRUE)
ENDIF()
IF(QTVERSION MATCHES "^5.*")
SET(QT5_INSTALLED TRUE)
ENDIF()
ENDIF()
ENDIF()
IF(NOT DESIRED_QT_VERSION)
IF(QT4_INSTALLED)
SET(DESIRED_QT_VERSION 4 CACHE STRING "Pick a version of Qt to use: 4 or 5")
ENDIF()
IF(QT5_INSTALLED)
SET(DESIRED_QT_VERSION 5 CACHE STRING "Pick a version of Qt to use: 4 or 5")
ENDIF()
ENDIF()
IF(DESIRED_QT_VERSION MATCHES 4)
SET(Qt4_FIND_REQUIRED ${Qt_FIND_REQUIRED})
SET(Qt4_FIND_QUIETLY ${Qt_FIND_QUIETLY})
SET(QT_MIN_VERSION ${QT4_MIN_VERSION})
SET(QT_MAX_VERSION ${QT4_MAX_VERSION})
INCLUDE(FindQt4)
ENDIF()
IF(DESIRED_QT_VERSION MATCHES 5)
SET(Qt5_FIND_REQUIRED ${Qt_FIND_REQUIRED})
SET(Qt5_FIND_QUIETLY ${Qt_FIND_QUIETLY})
SET(QT_MIN_VERSION ${QT5_MIN_VERSION})
SET(QT_MAX_VERSION ${QT5_MAX_VERSION})
INCLUDE(FindQt5)
ENDIF()
IF(NOT QT4_INSTALLED AND NOT QT5_INSTALLED)
IF(Qt_FIND_REQUIRED)
MESSAGE(SEND_ERROR "CMake was unable to find any Qt versions, put qmake in your path, or set QTDIR/QT_QMAKE_EXECUTABLE.")
ENDIF()
ELSE()
IF(NOT QT_FOUND)
IF(Qt_FIND_REQUIRED)
MESSAGE(FATAL_ERROR "CMake was unable to find Qt version: ${DESIRED_QT_VERSION}, put qmake in your path or set QTDIR/QT_QMAKE_EXECUTABLE.")
ELSE()
MESSAGE("CMake was unable to find Qt version: ${DESIRED_QT_VERSION}, put qmake in your path or set QTDIR/QT_QMAKE_EXECUTABLE.")
ENDIF()
ENDIF()
ENDIF()
MACRO(QT_GET_MOC_FLAGS moc_flags)
IF(QT_VERSION_MAJOR MATCHES 4)
QT4_GET_MOC_FLAGS(${moc_flags})
ELSE()
IF(QT_VERSION_MAJOR MATCHES 5)
QT5_GET_MOC_FLAGS(${moc_flags})
ENDIF()
ENDIF()
ENDMACRO()
MACRO(QT_CREATE_MOC_COMMAND infile outfile moc_flags moc_options)
IF(QT_VERSION_MAJOR MATCHES 4)
IF(CMAKE_VERSION VERSION_GREATER 2.8.11.20130607)
QT4_CREATE_MOC_COMMAND(${infile} ${outfile} "${moc_flags}" "${moc_options}" "")
ELSE()
QT4_CREATE_MOC_COMMAND(${infile} ${outfile} "${moc_flags}" "${moc_options}")
ENDIF()
ELSE()
IF(QT_VERSION_MAJOR MATCHES 5)
IF(QTVERSION VERSION_GREATER 5.1.99)
QT5_CREATE_MOC_COMMAND(${infile} ${outfile} "${moc_flags}" "${moc_options}" "")
ELSE()
QT5_CREATE_MOC_COMMAND(${infile} ${outfile} "${moc_flags}" "${moc_options}")
ENDIF()
ENDIF()
ENDIF()
ENDMACRO()
MARK_AS_ADVANCED(QT_QMAKE_EXECUTABLE_FINDQT)
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