(1)你可以找到Qt库采用以下方式:
find_package(Qt5Core [...] 5.6 REQUIRED)
add_executable(someExe file1.cpp)
target_link_libraries(someExe Qt5::Core)
请注意,您应该保留Qt的原始目录结构,也包含Qt cmake脚本,例如lib/cmake/Qt5/Qt5Config.cmake
如果你想有一个特定的目录将包括Qt的搜索时,你可以做(您搜索的Qt前):
set(CMAKE_PREFIX_PATH ${CMAKE_PREFIX_PATH} "./your/path")
例如,这可以是你提供的目录。
(2)您可以使用cmake的automoc功能。只需添加
set(CMAKE_AUTOMOC ON)
set(CMAKE_INCLUDE_CURRENT_DIR ON)
在您的cmake脚本的开头。 CMake也支持AUTOUIC
和AUTORCC
。我还没有尝试过,但可能的工作类似。 (3)您可以将自定义目标添加到您的项目中,以复制dll。当你建立这个目标时,所有的dll都会被复制。您可以从Qt查找脚本定义的目标(例如Qt5::Core
)获取dll的路径。
get_target_property(LOC_R Qt5::Core LOCATION_RELEASE)
get_target_property(LOC_D Qt5::Core LOCATION_DEBUG)
但是,您还应该扫描这些目标的依赖性(他们依赖的其他dll)。你可以写,扫描为correspondig的dll目标的整个列表,并将它们添加到列表中选择宏,让我们把这些RELEASE_DLLS
和DEBUG_DLLS
:
macro(copydlls RELEASE_DLLS DEBUG_DLLS MODULELIST)
foreach(ELEMENT ${${MODULELIST}})
get_target_property(LOC_R ${ELEMENT} LOCATION_RELEASE)
get_target_property(LOC_D ${ELEMENT} LOCATION_DEBUG)
list(APPEND ${RELEASE_DLLS} ${LOC_R})
list(APPEND ${DEBUG_DLLS} ${LOC_D})
get_target_property(DEPENDENCIES_RELEASE ${ELEMENT} IMPORTED_LINK_DEPENDENT_LIBRARIES_RELEASE)
foreach(DEPENDENCY ${DEPENDENCIES_RELEASE})
if(TARGET ${DEPENDENCY})
get_target_property(LOC_R ${DEPENDENCY} LOCATION_RELEASE)
if(${LOC_R} MATCHES ".dll$")
list(APPEND ${RELEASE_DLLS} ${LOC_R})
endif()
endif()
endforeach()
get_target_property(DEPENDENCIES_DEBUG ${ELEMENT} IMPORTED_LINK_DEPENDENT_LIBRARIES_DEBUG)
foreach(DEPENDENCY ${DEPENDENCIES_DEBUG})
if(TARGET ${DEPENDENCY})
get_target_property(LOC_D ${DEPENDENCY} LOCATION_DEBUG)
if(${LOC_D} MATCHES ".dll$")
list(APPEND ${DEBUG_DLLS} ${LOC_D})
endif()
endif()
endforeach()
get_target_property(DEPENDENCIES_RELEASE ${ELEMENT} IMPORTED_LINK_INTERFACE_LIBRARIES_RELEASE)
foreach(DEPENDENCY ${DEPENDENCIES_RELEASE})
if(TARGET ${DEPENDENCY})
get_target_property(LOC_R ${DEPENDENCY} LOCATION_RELEASE)
if(${LOC_R} MATCHES ".dll$")
list(APPEND ${RELEASE_DLLS} ${LOC_R})
endif()
endif()
endforeach()
get_target_property(DEPENDENCIES_DEBUG ${ELEMENT} IMPORTED_LINK_INTERFACE_LIBRARIES_DEBUG)
foreach(DEPENDENCY ${DEPENDENCIES_DEBUG})
if(TARGET ${DEPENDENCY})
get_target_property(LOC_D ${DEPENDENCY} LOCATION_DEBUG)
if(${LOC_D} MATCHES ".dll$")
list(APPEND ${DEBUG_DLLS} ${LOC_D})
endif()
endif()
endforeach()
endforeach()
endmacro()
然后,你可以得到所有的Qt的dll文件列表中,由调用这个宏有:
IF(MSVC)
set(QT_MODULES "Qt5::Core" "Qt5::Gui" "Qt5::Widgets")
set(RELEASE_DLLS)
set(DEBUG_DLLS)
copydlls(RELEASE_DLLS DEBUG_DLLS QT_MODULES)
ENDIF(MSVC)
当你检索到的信息,您可以创建自定义目标下列方式。假设您的列表中有您的所有dll路径RELEASE_DLLS
和DEBUG_DLLS
,并且您的可执行文件名称为TARGETS
中的列表。然后,你可以做这样的事情:
if(MSVC)
set(COPY_COMMAND_RELEASE "-E copy_if_different ")
set(COPY_COMMAND_DEBUG "-E copy_if_different ")
list(REMOVE_DUPLICATES RELEASE_DLLS)
list(REMOVE_DUPLICATES DEBUG_DLLS)
foreach(DLL ${RELEASE_DLLS})
string(CONCAT COPY_COMMAND_RELEASE "${COPY_COMMAND_RELEASE} \"${DLL}\" ")
endforeach()
foreach(DLL ${DEBUG_DLLS})
string(CONCAT COPY_COMMAND_DEBUG "${COPY_COMMAND_DEBUG} \"${DLL}\" ")
endforeach()
string(CONCAT COPY_COMMAND_RELEASE ${COPY_COMMAND_RELEASE} "\"${CMAKE_CURRENT_BINARY_DIR}/Release\" ")
string(CONCAT COPY_COMMAND_DEBUG ${COPY_COMMAND_DEBUG} "\"${CMAKE_CURRENT_BINARY_DIR}/Debug\" ")
add_custom_target(COPY_DLLS)
foreach(EXECUTABLE ${TARGETS})
add_custom_command(TARGET COPY_DLLS PRE_BUILD COMMAND ${CMAKE_COMMAND} ${COPY_COMMAND_RELEASE} COMMENT "Copying dlls to executable directory...")
add_custom_command(TARGET COPY_DLLS PRE_BUILD COMMAND ${CMAKE_COMMAND} ${COPY_COMMAND_DEBUG} COMMENT "Copying dlls to executable directory...")
endforeach()
endif()
如果你想要这个目标每隔您的其他目标之一是建立执行时间,你可以这样做:
foreach(EXECUTABLE ${TARGETS})
add_dependencies(${EXECUTABLE} COPY_DLLS)
endforeach()
不要foget你还必须将它添加到复制DLL目标从plugins
的platforms
目录复制到你的可执行文件夹,例如:
add_custom_command(TARGET COPY_DLLS PRE_BUILD
COMMAND ${CMAKE_COMMAND} -E copy_directory ${PATH_QT_ROOT}/plugins/platforms ${CMAKE_CURRENT_BINARY_DIR}/Debug/platforms
COMMAND ${CMAKE_COMMAND} -E copy_directory ${PATH_QT_ROOT}/plugins/platforms ${CMAKE_CURRENT_BINARY_DIR}/Release/platforms
COMMENT "Copying Qt platforms to executable directory...")
过宽:几个不相关的问题。总之:1.谷歌'find_package + QT'。 2. *自动*显示新的源文件不是CMake的一项功能。通常每次添加/删除源时都需要修改'CMakeLists.txt'。 3.只需创建将文件复制到目标目录的规则。尝试专注于单个问题并在提问前进行基本搜索。 – Tsyvarev