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Make the qt5_use_modules public API.

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This cmake function handles all of the necessary logic for using the
include directories of Qt modules, linking to Qt modules, adding
the required definitions, and most importantly, adding the position
independent flags required on UNIX systems to use Qt by default.

The function relies on functionality available in CMake 2.8.8, so it
is only available if that version of CMake or greater is used.

Change-Id: Ibe698e06819129479348c240844264c41553b5fb
Reviewed-by: Alexander Neundorf <neundorf@kde.org>
Reviewed-by: Stephen Kelly <stephen.kelly@kdab.com>
This commit is contained in:
Stephen Kelly 2012-05-05 23:40:19 +02:00 committed by Qt by Nokia
parent 78b9de746c
commit c2f8fe64f1
3 changed files with 40 additions and 39 deletions
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32
src/corelib/Qt5CoreMacros.cmake
View File

@ -202,3 +202,35 @@ function(QT5_ADD_RESOURCES outfiles )
endforeach()
set(${outfiles} ${${outfiles}} PARENT_SCOPE)
endfunction()
if (NOT CMAKE_VERSION VERSION_LESS 2.8.8)
function(qt5_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 ${modules})
if (NOT Qt5${_module}_FOUND)
message(FATAL_ERROR "Can not use \"${_module}\" module which has not yet been found.")
endif()
target_link_libraries(${_target} ${link_type} ${Qt5${_module}_LIBRARIES})
set_property(TARGET ${_target} APPEND PROPERTY INCLUDE_DIRECTORIES ${Qt5${_module}_INCLUDE_DIRS})
set_property(TARGET ${_target} APPEND PROPERTY COMPILE_DEFINITIONS ${Qt5${_module}_COMPILE_DEFINITIONS})
# We can't just append to the COMPILE_FLAGS property. That creats a ';' separated list
# which breaks the compile commmand line.
# Ensure non-duplication here manually instead.
get_property(_target_type TARGET ${_target} PROPERTY TYPE)
if ("${_target_type}" STREQUAL "EXECUTABLE" AND Qt5${_module}_EXECUTABLE_COMPILE_FLAGS)
get_target_property(_flags ${_target} COMPILE_FLAGS)
string(FIND "${_flags}" "${Qt5${_module}_EXECUTABLE_COMPILE_FLAGS}" _find_result)
if (NOT _find_result)
set_target_properties(${_target} PROPERTIES COMPILE_FLAGS "${_flags} ${Qt5${_module}_EXECUTABLE_COMPILE_FLAGS}")
endif()
endif()
endforeach()
endfunction()
endif()

6
tests/auto/cmake/CMakeLists.txt
View File

@ -78,11 +78,11 @@ macro(expect_fail _dir)
)
endmacro()
if(NOT ${CMAKE_VERSION} VERSION_LESS 2.8.7)
# Requires CMAKE_AUTOMOC function in CMake 2.8.7
if(NOT ${CMAKE_VERSION} VERSION_LESS 2.8.8)
# Requires INCLUDE_DIRECTORIES target property in CMake 2.8.8
expect_pass(pass1)
else()
message("CMake version older than 2.8.7 (Found ${CMAKE_VERSION}). Not running test \"pass1\"")
message("CMake version older than 2.8.8 (Found ${CMAKE_VERSION}). Not running test \"pass1\"")
endif()
expect_pass(pass2)
expect_pass(pass3)

41
tests/auto/cmake/pass1/CMakeLists.txt
View File

@ -7,42 +7,11 @@ set(CMAKE_AUTOMOC ON)
set(CMAKE_INCLUDE_CURRENT_DIR ON)
macro(qt5_use_package _target _package)
if (NOT Qt5${_package}_FOUND)
find_package(Qt5${_package} ${ARG1})
endif()
if (Qt5${_package}_FOUND)
# TODO: Handle public/private keywords?
target_link_libraries(${_target} ${Qt5${_package}_LIBRARIES})
# ### Requires CMake 2.8.8:
# set_property(TARGET ${_target} APPEND PROPERTY INCLUDE_DIRECTORIES ${Qt5${_package}_INCLUDE_DIRS})
include_directories(${Qt5${_package}_INCLUDE_DIRS})
set_property(TARGET ${_target} APPEND PROPERTY COMPILE_DEFINITIONS ${Qt5${_package}_COMPILE_DEFINITIONS})
# We can't just append to the COMPILE_FLAGS property. That creats a ';' separated list
# which breaks the compile commmand line.
# Ensure non-duplication here manually instead.
get_property(_taget_type TARGET ${_target} PROPERTY TYPE)
if ("${_taget_type}" STREQUAL "EXECUTABLE")
get_target_property(_flags ${_target} COMPILE_FLAGS)
if (_flags)
list(APPEND _flags ${Qt5${_package}_EXECUTABLE_COMPILE_FLAGS})
list(REMOVE_DUPLICATES _flags)
else()
set(_flags ${Qt5${_package}_EXECUTABLE_COMPILE_FLAGS})
endif()
if (_flags)
set_target_properties(${_target} PROPERTIES COMPILE_FLAGS ${_flags})
endif()
endif()
else()
message(FATAL_ERROR "NOT FOUND: Qt5${_package}")
endif()
endmacro()
add_executable(two two.cpp)
add_executable(three three.cpp)
qt5_use_package(two Test)
qt5_use_package(three Widgets)
qt5_use_package(three Test)
find_package(Qt5Test)
find_package(Qt5Widgets)
qt5_use_modules(two Test)
qt5_use_modules(three Widgets Test)