将编译后的库添加到CMake Qt项目
Adding compiled library to CMake Qt Project?
我一直在尝试将最新版本的qextserialport包含到我正在进行的项目中。项目结构如下：
- Camera项目
- CameraProject.pro
- Camera项目
- 页眉
- 来源
- qextserialport
- 页眉
- 来源
我的CMake文件目前看起来是这样的：
PROJECT(CameraProject)
FIND_PACKAGE(Qt4 REQUIRED)
FIND_LIBRARY(SIMPLONLIB lv.simplon lib)
FIND_LIBRARY(SIMPLONIMGPROC lv.simplon.imgproc lib)
SET(CameraProject_SOURCES include/lv.simplon.class.cpp camera.cpp main.cpp mainwindow.cpp osdep.cpp paint.cpp)
SET(CameraProject_HEADERS include/lv.simplon.class.h camera.h mainwindow.h osdep.h paint.h)
SET(CameraProject_RESOURCES icons.qrc)
INCLUDE(${QT_USE_FILE})
ADD_DEFINITIONS(${QT_DEFINITIONS})
ADD_EXECUTABLE(CameraProject ${CameraProject_SOURCES}
${CameraProject_HEADERS_MOC}
${CameraProject_RESOURCES_RCC})
TARGET_LINK_LIBRARIES(CameraProject ${QT_LIBRARIES} ${SIMPLONLIB} ${SIMPLONIMGPROC})
INCLUDE_DIRECTORIES(${CMAKE_CURRENT_BINARY_DIR} include QExtSerialPort/src)
尽管在Include目录中包含了QextSerialPort文件，但我还是遇到了链接器问题。
编辑：更多信息！
这里找到的是CameraProject.pro中包含的qextserialport.pri文件，如下所示：include(./QExtSerialPort/src/qextserialport.pri)
我应该为放置在源文件夹中的qextserialport库制作第二个CMakeLists文件吗？
如有任何意见，我们将不胜感激，请随时要求澄清或提供任何进一步信息。
对qxt所做的是使用cmake查找器模块，而不是直接将代码包含到我的项目中。然后，我用qmake构建了qxt，并让CMake找到它创建的库。
#############
## basic FindQxt.cmake
## This is an *EXTREMELY BASIC* cmake find/config file for
## those times you have a cmake project and wish to use
## libQxt.
##
## It should be noted that at the time of writing, that
## I (mschnee) have an extremely limited understanding of the
## way Find*.cmake files work, but I have attempted to
## emulate what FindQt4.cmake and a few others do.
##
## To enable a specific component, set your QXT_USE_${modname}:
## SET(QXT_USE_QXTCORE TRUE)
## SET(QXT_USE_QXTGUI FALSE)
## Currently available components:
## QxtCore, QxtGui, QxtNetwork, QxtWeb, QxtSql
## Auto-including directories are enabled with INCLUDE_DIRECTORIES(), but
## can be accessed if necessary via ${QXT_INCLUDE_DIRS}
##
## To add the libraries to your build, TARGET_LINK_LIBRARIES(), such as...
## TARGET_LINK_LIBRARIES(YourTargetNameHere ${QXT_LIBRARIES})
## ...or..
## TARGET_LINK_LIBRARIES(YourTargetNameHere ${QT_LIBRARIES} ${QXT_LIBRARIES})
################### TODO:
## The purpose of this cmake file is to find what components
## exist, regardless of how libQxt was build or configured, thus
## it should search/find all possible options. As I am not aware
## that any module requires anything special to be used, adding all
## modules to ${QXT_MODULES} below should be sufficient.
## Eventually, there should be version numbers, but
## I am still too unfamiliar with cmake to determine how to do
## version checks and comparisons.
## At the moment, this cmake returns a failure if you
## try to use a component that doesn't exist. I don't know how to
## set up warnings.
## It would be nice having a FindQxt.cmake and a UseQxt.cmake
## file like done for Qt - one to check for everything in advance
##############
###### setup
SET(QXT_MODULES QxtGui QxtWeb QxtZeroConf QxtNetwork QxtSql QxtBerkeley QxtCore)
SET(QXT_FOUND_MODULES)
FOREACH(mod ${QXT_MODULES})
STRING(TOUPPER ${mod} U_MOD)
SET(QXT_${U_MOD}_INCLUDE_DIR NOTFOUND)
SET(QXT_${U_MOD}_LIB_DEBUG NOTFOUND)
SET(QXT_${U_MOD}_LIB_RELEASE NOTFOUND)
SET(QXT_FOUND_${U_MOD} FALSE)
ENDFOREACH(mod)
SET(QXT_QXTGUI_DEPENDSON QxtCore)
SET(QXT_QXTWEB_DEPENDSON QxtCore QxtNetwork)
SET(QXT_QXTZEROCONF_DEPENDSON QxtCore QxtNetwork)
SET(QXT_QXTNETWORK_DEPENDSON QxtCore)
SET(QXT_QXTQSQL_DEPENDSON QxtCore)
SET(QXT_QXTBERKELEY_DEPENDSON QxtCore)
FIND_PATH(QXT_DIR libqxt.pro Qxt/include/QxtCore/Qxt)
FIND_PATH(QXT_BINARY_DIR
NAMES QxtCore.dll QxtCored.dll
PATHS
${QXT_DIR}/bin
${QXT_DIR}/Bin
NO_DEFAULT_PATH
)
#SET(QXT_BINARY_DIR "${QXT_DIR}/bin" CACHE PATH "${QXT_DIR}/bin")
FOREACH(mod ${QXT_MODULES})
STRING(TOUPPER ${mod} U_MOD)
FIND_PATH(QXT_${U_MOD}_INCLUDE_DIR ${mod}
PATH_SUFFIXES ${mod} include/${mod} Qxt/include/${mod} include/Qxt/${mod}
PATHS
~/Library/Frameworks/
/Library/Frameworks/
/sw/
/usr/local/
/usr
/opt/local/
/opt/csw
/opt
"C:\"
"C:\Program Files\"
"C:\Program Files(x86)\"
${QXT_DIR}
NO_DEFAULT_PATH
)
FIND_LIBRARY(QXT_${U_MOD}_LIB_RELEASE NAME ${mod}
PATH_SUFFIXES Qxt/lib64 Qxt/lib lib64 lib
PATHS
/sw
/usr/local
/usr
/opt/local
/opt/csw
/opt
"C:\"
"C:\Program Files"
"C:\Program Files(x86)"
${QXT_DIR}
NO_DEFAULT_PATH
)
FIND_LIBRARY(QXT_${U_MOD}_LIB_DEBUG NAME ${mod}d
PATH_SUFFIXES Qxt/lib64 Qxt/lib lib64 lib
PATHS
/sw
/usr/local
/usr
/opt/local
/opt/csw
/opt
"C:\"
"C:\Program Files"
"C:\Program Files(x86)"
${QXT_DIR}
NO_DEFAULT_PATH
)
IF (QXT_${U_MOD}_LIB_RELEASE)
SET(QXT_FOUND_MODULES "${QXT_FOUND_MODULES} ${mod}")
ENDIF (QXT_${U_MOD}_LIB_RELEASE)
IF (QXT_${U_MOD}_LIB_DEBUG)
SET(QXT_FOUND_MODULES "${QXT_FOUND_MODULES} ${mod}")
ENDIF (QXT_${U_MOD}_LIB_DEBUG)
ENDFOREACH(mod)
FOREACH(mod ${QXT_MODULES})
STRING(TOUPPER ${mod} U_MOD)
IF(QXT_${U_MOD}_INCLUDE_DIR AND QXT_${U_MOD}_LIB_RELEASE)
SET(QXT_FOUND_${U_MOD} TRUE)
ENDIF(QXT_${U_MOD}_INCLUDE_DIR AND QXT_${U_MOD}_LIB_RELEASE)
ENDFOREACH(mod)
##### find and include
# To use a Qxt Library....
# SET(QXT_FIND_COMPONENTS QxtCore, QxtGui)
# ...and this will do the rest
IF( QXT_FIND_COMPONENTS )
FOREACH( component ${QXT_FIND_COMPONENTS} )
STRING( TOUPPER ${component} _COMPONENT )
SET(QXT_USE_${_COMPONENT}_COMPONENT TRUE)
ENDFOREACH( component )
ENDIF( QXT_FIND_COMPONENTS )
SET(QXT_LIBRARIES "")
SET(QXT_INCLUDE_DIRS "")
# like FindQt4.cmake, in order of dependence
FOREACH( module ${QXT_MODULES} )
STRING(TOUPPER ${module} U_MOD)
IF(QXT_USE_${U_MOD} OR QXT_DEPENDS_${U_MOD})
IF(QXT_FOUND_${U_MOD})
STRING(REPLACE "QXT" "" qxt_module_def "${U_MOD}")
ADD_DEFINITIONS(-DQXT_${qxt_module_def}_LIB)
SET(QXT_INCLUDE_DIRS ${QXT_INCLUDE_DIRS} ${QXT_${U_MOD}_INCLUDE_DIR})
INCLUDE_DIRECTORIES(${QXT_${U_MOD}_INCLUDE_DIR})
SET(QXT_LIBRARIES ${QXT_LIBRARIES};optimized;${QXT_${U_MOD}_LIB_RELEASE};debug;${QXT_${U_MOD}_LIB_DEBUG})
ELSE(QXT_FOUND_${U_MOD})
MESSAGE("Could not find Qxt Module ${module}")
RETURN()
ENDIF(QXT_FOUND_${U_MOD})
FOREACH(dep QXT_${U_MOD}_DEPENDSON)
SET(QXT_DEPENDS_${dep} TRUE)
ENDFOREACH(dep)
ENDIF(QXT_USE_${U_MOD} OR QXT_DEPENDS_${U_MOD})
ENDFOREACH(module)
MESSAGE(STATUS "Found Qxt Libraries:${QXT_FOUND_MODULES}")
MESSAGE(STATUS "Include directories:${QXT_INCLUDE_DIRS}")
我把这个模块放在我的根项目的一个名为CMake/Modules的子目录中，并使用以下命令将其包含在根CMakeLists.txt顶部附近的CMake中：
#下一行将向CMake添加额外的查找器，而无需将其放置在CMake安装路径中列表（APPEND CMAKE_MODULE_PATH$｛PROJECT_SOURCE_DIR｝/CMAKE/Modules）
最后让CMake找到Qxt
SET(QXT_FIND_COMPONENTS QxtCore, QxtGui)
SET(QXT_USE_QXTCORE TRUE)
FIND_PACKAGE(Qxt REQUIRED)
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