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#.rst:
# FindQt
# ------
#
# Searches for all installed versions of Qt.
#
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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
# 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.
#
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# This module can only detect and switch between Qt versions 3 and 4. It
# cannot handle Qt5 or any later versions.
#
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# ::
#
# 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.
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#=============================================================================
# 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.
#=============================================================================
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# (To distribute this file outside of CMake, substitute the full
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# License text for the above reference.)
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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 )
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 )
if ( GLOB_TEMP_VAR )
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 )
if ( GLOB_TEMP_VAR )
set ( QT3_INSTALLED TRUE )
endif ( )
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 )
if ( GLOB_TEMP_VAR )
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 )
if ( GLOB_TEMP_VAR )
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 )
if ( GLOB_TEMP_VAR )
set ( QT4_INSTALLED TRUE )
endif ( )
set ( GLOB_TEMP_VAR )
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if ( Qt_FIND_VERSION )
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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 ( )
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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" )
if ( QT_QMAKE_EXECUTABLE_FINDQT )
exec_program ( ${ QT_QMAKE_EXECUTABLE_FINDQT } ARGS "-query QT_VERSION"
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O U T P U T _ V A R I A B L E Q T V E R S I O N )
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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" )
set ( QT3_INSTALLED TRUE )
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endif ( )
endif ( )
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if ( QT_QMAKE_EXECUTABLE_FINDQT )
exec_program ( ${ QT_QMAKE_EXECUTABLE_FINDQT }
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A R G S " - q u e r y Q T _ I N S T A L L _ H E A D E R S "
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O U T P U T _ V A R I A B L E q t _ h e a d e r s )
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endif ( )
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find_file ( QT4_QGLOBAL_H_FILE qglobal.h
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" $ { Q T _ S E A R C H _ P A T H } / Q t / i n c l u d e "
" [ H K E Y _ C U R R E N T _ U S E R \ \ S o f t w a r e \ \ T r o l l t e c h \ \ Q t 3 V e r s i o n s \ \ 4 . 0 . 0 ; I n s t a l l D i r ] / i n c l u d e / Q t "
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" [ H K E Y _ C U R R E N T _ U S E R \ \ S o f t w a r e \ \ T r o l l t e c h \ \ V e r s i o n s \ \ 4 . 0 . 0 ; I n s t a l l D i r ] / i n c l u d e / Q t "
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$ { q t _ h e a d e r s } / Q t
$ E N V { Q T D I R } / i n c l u d e / Q t
/ u s r / l o c a l / q t / i n c l u d e / Q t
/ u s r / l o c a l / i n c l u d e / Q t
/ u s r / l i b / q t / i n c l u d e / Q t
/ u s r / i n c l u d e / Q t
/ u s r / s h a r e / q t 4 / i n c l u d e / Q t
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/ u s r / l o c a l / i n c l u d e / X 1 1 / q t 4 / Q t
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C : / P r o g r a ~ 1 / q t / i n c l u d e / Q t )
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if ( QT4_QGLOBAL_H_FILE )
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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" $ { Q T _ S E A R C H _ P A T H } / Q t / i n c l u d e "
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" [ H K E Y _ C U R R E N T _ U S E R \ \ S o f t w a r e \ \ T r o l l t e c h \ \ Q t 3 V e r s i o n s \ \ 3 . 2 . 1 ; I n s t a l l D i r ] / i n c l u d e / Q t "
" [ H K E Y _ C U R R E N T _ U S E R \ \ S o f t w a r e \ \ T r o l l t e c h \ \ Q t 3 V e r s i o n s \ \ 3 . 2 . 0 ; I n s t a l l D i r ] / i n c l u d e / Q t "
" [ H K E Y _ C U R R E N T _ U S E R \ \ S o f t w a r e \ \ T r o l l t e c h \ \ Q t 3 V e r s i o n s \ \ 3 . 1 . 0 ; I n s t a l l D i r ] / i n c l u d e / Q t "
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C : / Q t / 3 . 3 . 3 E d u c a t i o n a l / i n c l u d e
$ E N V { Q T D I R } / i n c l u d e
/ u s r / i n c l u d e / q t 3 / Q t
/ u s r / l o c a l / q t / i n c l u d e
/ u s r / l o c a l / i n c l u d e
/ u s r / l i b / q t / i n c l u d e
/ u s r / i n c l u d e
/ u s r / s h a r e / q t 3 / i n c l u d e
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/ u s r / l o c a l / i n c l u d e / X 1 1 / q t 3
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C : / P r o g r a ~ 1 / q t / i n c l u d e
/ u s r / i n c l u d e / q t 3 )
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if ( QT3_QGLOBAL_H_FILE )
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 ( )
endif ( )
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if ( DESIRED_QT_VERSION EQUAL 3 )
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set ( Qt3_FIND_REQUIRED ${ Qt_FIND_REQUIRED } )
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 } )
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 )
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 ( )
else ( )
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if ( NOT QT_FOUND AND NOT DESIRED_QT_VERSION )
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 ( )
endif ( )
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if ( NOT QT_FOUND AND DESIRED_QT_VERSION )
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 ( )
endif ( )
endif ( )
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mark_as_advanced ( QT3_QGLOBAL_H_FILE QT4_QGLOBAL_H_FILE QT_QMAKE_EXECUTABLE_FINDQT )