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-rw-r--r--Modules/FindQt.cmake125
1 files changed, 123 insertions, 2 deletions
diff --git a/Modules/FindQt.cmake b/Modules/FindQt.cmake
index cb7d778..25ea36c 100644
--- a/Modules/FindQt.cmake
+++ b/Modules/FindQt.cmake
@@ -1,4 +1,125 @@
+# 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.
#
-MESSAGE("FindQt has been deprecated, Defaulting to FindQt3. You should use FindQt3 FindQt4.cmake and CheckQtInstalled.cmake directly.")
-INCLUDE(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.
+#
+# 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)
+IF(GLOB_TEMP_VAR)
+ SET(QT3_INSTALLED TRUE)
+ENDIF(GLOB_TEMP_VAR)
+SET(GLOB_TEMP_VAR)
+
+FILE(GLOB GLOB_TEMP_VAR /usr/local/qt-x11-commercial-3*/bin/qmake)
+IF(GLOB_TEMP_VAR)
+ SET(QT3_INSTALLED TRUE)
+ENDIF(GLOB_TEMP_VAR)
+SET(GLOB_TEMP_VAR)
+
+# look for qt4 installations
+FILE(GLOB GLOB_TEMP_VAR /usr/local/qt-x11-commercial-4*/bin/qmake)
+IF(GLOB_TEMP_VAR)
+ SET(QT4_INSTALLED TRUE)
+ENDIF(GLOB_TEMP_VAR)
+SET(GLOB_TEMP_VAR)
+
+FILE(GLOB GLOB_TEMP_VAR /usr/local/Trolltech/Qt-4*/bin/qmake)
+IF(GLOB_TEMP_VAR)
+ SET(QT4_INSTALLED TRUE)
+ENDIF(GLOB_TEMP_VAR)
+SET(GLOB_TEMP_VAR)
+
+# now find qmake
+FIND_PROGRAM(QT_QMAKE_EXECUTABLE NAMES qmake PATHS $ENV{QTDIR}/bin)
+IF(QT_QMAKE_EXECUTABLE)
+ EXEC_PROGRAM(${QMAKE_PATH} ARGS "-query QT_VERSION"
+ OUTPUT_VARIABLE QTVERSION)
+ IF(QTVERSION MATCHES "4.*")
+ SET(QT4_INSTALLED TRUE)
+ ENDIF(QTVERSION MATCHES "4.*")
+ IF(QTVERSION MATCHES "Unknown")
+ SET(QT3_INSTALLED TRUE)
+ ENDIF(QTVERSION MATCHES "Unknown")
+ENDIF(QT_QMAKE_EXECUTABLE)
+
+IF(QT_QMAKE_EXECUTABLE)
+ EXEC_PROGRAM( ${QT_QMAKE_EXECUTABLE}
+ ARGS "-query QT_INSTALL_HEADERS"
+ OUTPUT_VARIABLE qt_headers )
+ENDIF(QT_QMAKE_EXECUTABLE)
+
+FIND_FILE( QT4_QGLOBAL_H_FILE qglobal.h
+ "[HKEY_CURRENT_USER\Software\Trolltech\Qt3Versions\4.0.0;InstallDir]/include/Qt"
+ ${qt_headers}/Qt
+ $ENV{QTDIR}/include/Qt
+ /usr/local/qt/include/Qt
+ /usr/local/include/Qt
+ /usr/lib/qt/include/Qt
+ /usr/include/Qt
+ /usr/share/qt4/include/Qt
+ C:/Progra~1/qt/include/Qt )F
+
+IF(QT4_QGLOBAL_H_FILE)
+ SET(QT4_INSTALLED TRUE)
+ENDIF(QT4_QGLOBAL_H_FILE)
+
+FIND_FILE( QT3_QGLOBAL_H_FILE qglobal.h
+ "[HKEY_CURRENT_USER\Software\Trolltech\Qt3Versions\3.2.1;InstallDir]/include/Qt"
+ "[HKEY_CURRENT_USER\Software\Trolltech\Qt3Versions\3.2.0;InstallDir]/include/Qt"
+ "[HKEY_CURRENT_USER\Software\Trolltech\Qt3Versions\3.1.0;InstallDir]/include/Qt"
+ C:/Qt/3.3.3Educational/include
+ $ENV{QTDIR}/include
+ /usr/include/qt3/Qt
+ /usr/local/qt/include
+ /usr/local/include
+ /usr/lib/qt/include
+ /usr/include
+ /usr/share/qt3/include
+ C:/Progra~1/qt/include
+ /usr/include/qt3 )
+
+IF(QT3_QGLOBAL_H_FILE)
+ SET(QT3_INSTALLED TRUE)
+ENDIF(QT3_QGLOBAL_H_FILE)
+
+IF(QT3_INSTALLED AND QT4_INSTALLED )
+ # force user to pick if we have both
+ OPTION(DESIRED_QT_VERSION "Pick a version of QT to use" 0)
+ELSE(QT3_INSTALLED AND QT4_INSTALLED )
+ # if only one found then pick that one
+ IF(QT3_INSTALLED)
+ OPTION(DESIRED_QT_VERSION "Pick a version of QT to use" 3)
+ ENDIF(QT3_INSTALLED)
+ IF(QT4_INSTALLED)
+ OPTION(DESIRED_QT_VERSION "Pick a version of QT to use" 4)
+ ENDIF(QT4_INSTALLED)
+ENDIF(QT3_INSTALLED AND QT4_INSTALLED )
+
+IF(DESIRED_QT_VERSION MATCHES 3)
+ INCLUDE(FindQt3)
+ENDIF(DESIRED_QT_VERSION MATCHES 3)
+IF(DESIRED_QT_VERSION MATCHES 4)
+ INCLUDE(FindQt4)
+ENDIF(DESIRED_QT_VERSION MATCHES 4)
+
+IF(NOT QT3_INSTALLED AND NOT QT4_INSTALLED)
+ MESSAGE(SEND_ERROR "CMake was unable to find any QT versions, put qmake in your path, or set QT_QMAKE_EXECUTABLE.")
+ELSE(NOT QT3_INSTALLED AND NOT QT4_INSTALLED)
+ IF(NOT QT_FOUND AND NOT DESIRED_QT_VERSION)
+ MESSAGE(SEND_ERROR "Multiple versions of QT found please set DESIRED_QT_VERSION")
+ ENDIF(NOT QT_FOUND AND NOT DESIRED_QT_VERSION)
+ IF(NOT QT_FOUND AND DESIRED_QT_VERSION)
+ MESSAGE(SEND_ERROR "CMake was unable to find QT version: ${DESIRED_QT_VERSION}")
+ ENDIF(NOT QT_FOUND AND DESIRED_QT_VERSION)
+ENDIF(NOT QT3_INSTALLED AND NOT QT4_INSTALLED)