diff options
Diffstat (limited to 'Modules/FindQt.cmake')
| -rw-r--r-- | Modules/FindQt.cmake | 71 |
1 files changed, 39 insertions, 32 deletions
diff --git a/Modules/FindQt.cmake b/Modules/FindQt.cmake index 54b7c6f97..4d8aea92e 100644 --- a/Modules/FindQt.cmake +++ b/Modules/FindQt.cmake @@ -1,34 +1,37 @@ -# - Searches for all installed versions of Qt. +# Distributed under the OSI-approved BSD 3-Clause License. See accompanying +# file Copyright.txt or https://cmake.org/licensing for details. + +#.rst: +# FindQt +# ------ +# +# Searches for all installed versions of Qt. +# # This should only be used if your project can work with multiple -# versions of Qt. If not, you should just directly use FindQt4 or FindQt3. -# If multiple versions of Qt are found on the machine, then -# The user must set the option DESIRED_QT_VERSION to the version -# they want to use. If only one version of qt is found on the machine, -# then the DESIRED_QT_VERSION is set to that version and the -# matching FindQt3 or FindQt4 module is included. -# Once the user sets DESIRED_QT_VERSION, then the FindQt3 or FindQt4 module -# is included. +# versions of Qt. If not, you should just directly use FindQt4 or +# FindQt3. If multiple versions of Qt are found on the machine, then +# The user must set the option DESIRED_QT_VERSION to the version they +# want to use. If only one version of qt is found on the machine, then +# the DESIRED_QT_VERSION is set to that version and the matching FindQt3 +# or FindQt4 module is included. Once the user sets DESIRED_QT_VERSION, +# then the FindQt3 or FindQt4 module is included. +# +# This module can only detect and switch between Qt versions 3 and 4. It +# cannot handle Qt5 or any later versions. +# +# :: +# +# QT_REQUIRED if this is set to TRUE then if CMake can +# not find Qt4 or Qt3 an error is raised +# and a message is sent to the user. # -# QT_REQUIRED if this is set to TRUE then if CMake can -# not find Qt4 or Qt3 an error is raised -# and a message is sent to the user. # -# DESIRED_QT_VERSION OPTION is created -# QT4_INSTALLED is set to TRUE if qt4 is found. -# QT3_INSTALLED is set to TRUE if qt3 is found. - -#============================================================================= -# Copyright 2001-2009 Kitware, Inc. # -# Distributed under the OSI-approved BSD License (the "License"); -# see accompanying file Copyright.txt for details. +# :: # -# This software is distributed WITHOUT ANY WARRANTY; without even the -# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. -# See the License for more information. -#============================================================================= -# (To distribute this file outside of CMake, substitute the full -# License text for the above reference.) +# DESIRED_QT_VERSION OPTION is created +# QT4_INSTALLED is set to TRUE if qt4 is found. +# QT3_INSTALLED is set to TRUE if qt3 is found. # look for signs of qt3 installations file(GLOB GLOB_TEMP_VAR /usr/lib*/qt-3*/bin/qmake /usr/lib*/qt3*/bin/qmake) @@ -69,7 +72,11 @@ endif() set(GLOB_TEMP_VAR) if (Qt_FIND_VERSION) - set(DESIRED_QT_VERSION "${Qt_FIND_VERSION}") + if (Qt_FIND_VERSION MATCHES "^([34])(\\.[0-9]+.*)?$") + set(DESIRED_QT_VERSION ${CMAKE_MATCH_1}) + else () + message(FATAL_ERROR "FindQt was called with invalid version '${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.") + endif () endif () # now find qmake @@ -77,7 +84,7 @@ find_program(QT_QMAKE_EXECUTABLE_FINDQT NAMES qmake PATHS "${QT_SEARCH_PATH}/bin if(QT_QMAKE_EXECUTABLE_FINDQT) exec_program(${QT_QMAKE_EXECUTABLE_FINDQT} ARGS "-query QT_VERSION" OUTPUT_VARIABLE QTVERSION) - if(QTVERSION MATCHES "4.*") + if(QTVERSION MATCHES "4") set(QT_QMAKE_EXECUTABLE ${QT_QMAKE_EXECUTABLE_FINDQT} CACHE PATH "Qt4 qmake program.") set(QT4_INSTALLED TRUE) endif() @@ -144,12 +151,12 @@ else() endif() endif() -if(DESIRED_QT_VERSION MATCHES 3) +if(DESIRED_QT_VERSION EQUAL 3) set(Qt3_FIND_REQUIRED ${Qt_FIND_REQUIRED}) set(Qt3_FIND_QUIETLY ${Qt_FIND_QUIETLY}) include(${CMAKE_CURRENT_LIST_DIR}/FindQt3.cmake) endif() -if(DESIRED_QT_VERSION MATCHES 4) +if(DESIRED_QT_VERSION EQUAL 4) set(Qt4_FIND_REQUIRED ${Qt_FIND_REQUIRED}) set(Qt4_FIND_QUIETLY ${Qt_FIND_QUIETLY}) include(${CMAKE_CURRENT_LIST_DIR}/FindQt4.cmake) @@ -169,9 +176,9 @@ else() endif() if(NOT QT_FOUND AND DESIRED_QT_VERSION) if(QT_REQUIRED) - 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_FILE, if those are set then QT_QT_LIBRARY or QT_LIBRARY_DIR.") + 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.") else() - message( "CMake was unable to find desired Qt version: ${DESIRED_QT_VERSION}. Set advanced values QT_QMAKE_EXECUTABLE and QT${DESIRED_QT_VERSION}_QGLOBAL_FILE.") + 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.") endif() endif() endif() |