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-rw-r--r--Modules/FindQt4.cmake11
-rw-r--r--Modules/Qt4Macros.cmake21
2 files changed, 32 insertions, 0 deletions
diff --git a/Modules/FindQt4.cmake b/Modules/FindQt4.cmake
index e7d25c981f..c5d98fa08b 100644
--- a/Modules/FindQt4.cmake
+++ b/Modules/FindQt4.cmake
@@ -163,6 +163,17 @@
# filenames can be found in qm_files. The ts_files
# must exists and are not updated in any way.
#
+# function QT4_USE_MODULES( target [link_type] modules...)
+# Make <target> use the <modules> from Qt. Using a Qt module means
+# to link to the library, add the relevant include directories for the module,
+# and add the relevant compiler defines for using the module.
+# Modules are roughly equivalent to components of Qt4, so usage would be
+# something like:
+# qt4_use_modules(myexe Core Gui Declarative)
+# to use QtCore, QtGui and QtDeclarative. The optional <link_type> argument can
+# be specified as either LINK_PUBLIC or LINK_PRIVATE to specify the same argument
+# to the target_link_libraries call.
+#
#
# Below is a detailed list of variables that FindQt4.cmake sets.
# QT_FOUND If false, don't try to use Qt.
diff --git a/Modules/Qt4Macros.cmake b/Modules/Qt4Macros.cmake
index 4324347e55..76e46044ad 100644
--- a/Modules/Qt4Macros.cmake
+++ b/Modules/Qt4Macros.cmake
@@ -439,3 +439,24 @@ macro(QT4_ADD_TRANSLATION _qm_files)
set(${_qm_files} ${${_qm_files}} ${qm})
endforeach ()
endmacro()
+
+function(qt4_use_modules _target _link_type)
+ if ("${_link_type}" STREQUAL "LINK_PUBLIC" OR "${_link_type}" STREQUAL "LINK_PRIVATE")
+ set(modules ${ARGN})
+ set(link_type ${_link_type})
+ else()
+ set(modules ${_link_type} ${ARGN})
+ endif()
+ foreach(_module ${modules})
+ string(TOUPPER ${_module} _ucmodule)
+ if (NOT QT_QT${_ucmodule}_FOUND)
+ message(FATAL_ERROR "Can not use \"${_module}\" module which has not yet been found.")
+ endif()
+ if ("${_ucmodule}" STREQUAL "MAIN")
+ message(FATAL_ERROR "Can not use \"${_module}\" module with qt4_use_modules.")
+ endif()
+ target_link_libraries(${_target} ${link_type} ${QT_QT${_ucmodule}_LIBRARY})
+ set_property(TARGET ${_target} APPEND PROPERTY INCLUDE_DIRECTORIES ${QT_QT${_ucmodule}_INCLUDE_DIR} ${QT_HEADERS_DIR} ${QT_MKSPECS_DIR}/default)
+ set_property(TARGET ${_target} APPEND PROPERTY COMPILE_DEFINITIONS ${QT_QT${_ucmodule}_COMPILE_DEFINITIONS})
+ endforeach()
+endfunction()