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ENH: Support COMPONENTS argument to find_package(). 

See bug #8542.
This commit is contained in:
Clinton Stimpson 2009-02-19 16:04:57 -05:00
parent abdcf91422
commit 08ca8f5053
1 changed files with 34 additions and 17 deletions
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51
Modules/FindQt4.cmake
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@ -3,10 +3,20 @@
# The most important issue is that the Qt4 qmake is available via the system path.
# This qmake is then used to detect basically everything else.
# This module defines a number of key variables and macros.
# First is QT_USE_FILE which is the path to a CMake file that can be included
# to compile Qt 4 applications and libraries. By default, the QtCore and QtGui
# libraries are loaded. This behavior can be changed by setting one or more
# of the following variables to true before doing INCLUDE(${QT_USE_FILE}):
# The variable QT_USE_FILE is set which is the path to a CMake file that can be included
# to compile Qt 4 applications and libraries. It sets up the compilation
# environment for include directories, preprocessor defines and populates a
# QT_LIBRARIES variable.
#
# Typical usage could be something like:
# find_package(Qt4 4.4.3 COMPONENTS QtCore QtGui QtXml REQUIRED )
# include(${QT_USE_FILE})
# add_executable(myexe main.cpp)
# target_link_libraries(myexe ${QT_LIBRARIES})
#
# When using the components argument, QT_USE_QT* variables are automatically set
# for the QT_USE_FILE to pick up. If one wishes to manually set them, the
# available ones to set include:
# QT_DONT_USE_QTCORE
# QT_DONT_USE_QTGUI
# QT_USE_QT3SUPPORT
@ -32,19 +42,6 @@
# QT_USE_QTXMLPATTERNS
# QT_USE_PHONON
#
# The file pointed to by QT_USE_FILE will set up your compile environment
# by adding include directories, preprocessor defines, and populate a
# QT_LIBRARIES variable containing all the Qt libraries and their dependencies.
# Add the QT_LIBRARIES variable to your TARGET_LINK_LIBRARIES.
#
# Typical usage could be something like:
# FIND_PACKAGE(Qt4)
# SET(QT_USE_QTXML 1)
# INCLUDE(${QT_USE_FILE})
# ADD_EXECUTABLE(myexe main.cpp)
# TARGET_LINK_LIBRARIES(myexe ${QT_LIBRARIES})
#
#
# There are also some files that need processing by some Qt tools such as moc
# and uic. Listed below are macros that may be used to process those files.
#
@ -128,6 +125,7 @@
# must exists and are not updated in any way.
#
#
# Below is a detailed list of variables that FindQt4.cmake sets.
# QT_FOUND If false, don't try to use Qt.
# QT4_FOUND If false, don't try to use Qt 4.
#
@ -267,6 +265,25 @@
# (They make no sense in Qt4)
# QT_QT_LIBRARY Qt-Library is now split
# Use FIND_PACKAGE( Qt4 COMPONENTS ... ) to enable modules
IF( Qt4_FIND_COMPONENTS )
FOREACH( component ${Qt4_FIND_COMPONENTS} )
STRING( TOUPPER ${component} _COMPONENT )
SET( QT_USE_${_COMPONENT} 1 )
ENDFOREACH( component )
# To make sure we don't use QtCore or QtGui when not in COMPONENTS
IF(NOT QT_USE_QTCORE)
SET( QT_DONT_USE_QTCORE 1 )
ENDIF(NOT QT_USE_QTCORE)
IF(NOT QT_USE_QTGUI)
SET( QT_DONT_USE_QTGUI 1 )
ENDIF(NOT QT_USE_QTGUI)
ENDIF( Qt4_FIND_COMPONENTS )
# If Qt3 has already been found, fail.
IF(QT_QT_LIBRARY)
IF(Qt4_FIND_REQUIRED)