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C++ CMake链接器输入文件未使用,因为链接未完成_C++_Cmake - Fatal编程技术网

C++ CMake链接器输入文件未使用,因为链接未完成

C++ CMake链接器输入文件未使用,因为链接未完成,c++,cmake,C++,Cmake,我想把一个旧的项目转移到CMake。以前它使用带有自定义变量、定义等的Makefile。我指定了相同的标志来编译各种配置。我是这样做的: cmake_minimum_required(VERSION 3.2.2) project(wise_RK) set(CMAKE_VERBOSE_MAKEFILE ON) set(CMAKE_CXX_STANDARD 11) set(CMAKE_CXX_STANDARD_REQUIRED True) set(SOURCES main.cpp devices/

我想把一个旧的项目转移到CMake。以前它使用带有自定义变量、定义等的Makefile。我指定了相同的标志来编译各种配置。我是这样做的:

cmake_minimum_required(VERSION 3.2.2)
project(wise_RK)

set(CMAKE_VERBOSE_MAKEFILE ON)
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED True)
set(SOURCES main.cpp devices/RK.cpp LogWriter/LogWriter.cpp)
set(CMAKE_CXX_FLAGS "-DIMA -std=c++11 -Wall -Wextra -c -O2 -MMD -MP -MF '$@.d'")
set(CMAKE_INCLUDE_CURRENT_DIR ON)

include_directories(
    structs
    devices
    LogWriter
    /home/data/lib/wise_versioning
    /home/data/lib/wisenet
    /home/data/lib/wise_log
    /home/data/lib/wise_rs_device
    /home/data/lib/json
)

# wise_rs_device
add_library(wise_rs_device STATIC IMPORTED GLOBAL)
set_target_properties(wise_rs_device PROPERTIES
    IMPORTED_LOCATION "/home/data/lib/wise_rs_device/libwise_rs_device.a"
    INTERFACE_INCLUDE_DIRECTORIES "/home/data/lib/wise_rs_device/"
)

# wisenet
add_library(wisenet STATIC IMPORTED GLOBAL)
set_target_properties(wisenet PROPERTIES
    IMPORTED_LOCATION "/home/data/lib/wisenet/libwise_net_rs485.so"
    INTERFACE_INCLUDE_DIRECTORIES "/home/data/lib/wisenet/"
)

#wise_log
add_library(wise_log STATIC IMPORTED GLOBAL)
set_target_properties(wise_log PROPERTIES
    IMPORTED_LOCATION "/home/data/lib/wise_log/Release/GNU-Linux/libwise_log.so"
    INTERFACE_INCLUDE_DIRECTORIES "/home/data/lib/wise_log/"
)

add_executable(wise_rk ${SOURCES})

target_link_libraries(wise_rk PRIVATE wise_rs_device wisenet wise_log)

add_definitions(-DSOME_IMPORTANT_DEFINITION)
-D
是各种配置的定义

在Makefile中,程序集中涉及的项目对象文件(不是库)列表如下所示:

OBJECTS:=$(shell find * -type f -name "*.cpp" | sed "s/\.cpp/\.o /" | sort)
DEPENDS:=$(addprefix build/$(CONF)/, ${OBJECTS:.o=.o.d})
-include ${DEPENDS}
当我构建我的CMake时:

/usr/local/bin/cmake -E cmake_link_script CMakeFiles/wise_rk.dir/link.txt --verbose=1
/usr/bin/c++   -DIMA -std=c++11 -Wall -Wextra -c -O2 -MMD -MP -MF '$@.d'   CMakeFiles/wise_rk.dir/main.cpp.o CMakeFiles/wise_rk.dir/devices/RK.cpp.o CMakeFiles/wise_rk.dir/LogWriter/LogWriter.cpp.o  -o wise_rk -rdynamic /home/data/lib/wise_rs_device/libwise_rs_device.a /home/data/lib/wisenet/libwise_net_rs485.so /home/data/lib/wise_log/Release/GNU-Linux/libwise_log.so 
c++: warning: CMakeFiles/wise_rk.dir/main.cpp.o: linker input file unused because linking not done
c++: warning: CMakeFiles/wise_rk.dir/devices/RK.cpp.o: linker input file unused because linking not done
c++: warning: CMakeFiles/wise_rk.dir/LogWriter/LogWriter.cpp.o: linker input file unused because linking not done
c++: warning: /home/data/lib/wise_rs_device/libwise_rs_device.a: linker input file unused because linking not done
c++: warning: /home/data/lib/wisenet/libwise_net_rs485.so: linker input file unused because linking not done
c++: warning: /home/data/lib/wise_log/Release/GNU-Linux/libwise_log.so: linker input file unused because linking not done
make[2]: Leaving directory `/home/anzipex/Downloads/wise_RK/build'
/usr/local/bin/cmake -E cmake_progress_report /home/anzipex/Downloads/wise_RK/build/CMakeFiles  1 2 3
[100%] Built target wise_rk
make[1]: Leaving directory `/home/anzipex/Downloads/wise_RK/build'
/usr/local/bin/cmake -E cmake_progress_start /home/anzipex/Downloads/wise_RK/build/CMakeFiles 0

我不知道下一步该怎么做才能解决这类问题。

我将所有
。所以
库都改为
共享
。而且还删除了部分标志
-c-O2-MMD-MP-MF'$@.d'
,就像@Botje写的那样。看起来像是项目构建。

My CMakeLists.txt文件:您的
libwise*。所以
库不是静态的,
'$@.d'
的目的是什么?这应该翻译成
wise_.d
或类似的吗?我不确定在使用CMake运行时是否正确发生了这种情况?也许,试着把它去掉。并且,如评论所述,决定
wisenet
wise\u log
库是静态库还是共享库。从
CMAKE\u CXX\u标志中删除
-c-O2-MMD-MP-MF'$@.d'
部分。