在三个CMakeLists.txt中使用TARGET_LINK_LIBRARIES编译订单

时间：2019-11-13 17:30:51

标签： cmake linker

我对CMake有问题：制作了一个静态库和一个可执行文件，但是构建过程不正常。因此，当可执行文件尝试链接时，该库不存在。我已经阅读了类似的问题，但没有找到解决方案。我的项目使用一个root-CMakelists.txt，其中包括其他两个：

根：dev / CMakeLists.txt：

# Library project
include(${CMAKE_CURRENT_SOURCE_DIR}/src_lib/CMakeLists.txt)

# Client project
include(${CMAKE_CURRENT_SOURCE_DIR}/src_client/CMakeLists.txt)

库：dev / src_lib / CMakeLists.txt 

add_library(wof_static STATIC ${LIB_SRC})
TARGET_LINK_LIBRARIES(wof_static ${CMAKE_CURRENT_SOURCE_DIR}/3rdParty/lex/libs/amd64/libLexActivator.a pthread libnss3.so /usr/lib/x86_64-linux-gnu/libssl3.so /usr/lib/x86_64-linux-gnu/libnspr4.so )

可执行文件：dev / src_client / CMakeLists.txt 

add_executable(wof ${CLIENT_SRC})
TARGET_LINK_LIBRARIES( wof
                            ${CMAKE_CURRENT_SOURCE_DIR}/build/libwof_static.a
                            ${CMAKE_CURRENT_SOURCE_DIR}/src_lib/3rdParty/lex/libs/amd64/libLexActivator.a
                                gmp
                                pthread
                                libnss3.so
                                /usr/lib/x86_64-linux-gnu/libssl3.so
                                /usr/lib/x86_64-linux-gnu/libnspr4.so
                                )

上面的TARGET_LINK_LIBRARIES命令使用文件名libwof_static.a，因此生成顺序不正确（即，仅当我两次调用make时它才有效）。因此，我需要让CMake知道可执行文件取决于库目标wof_static，对吗？我试图这样做：

可执行文件：dev / src_client / CMakeLists.txt（变体）

link_directories(${CMAKE_CURRENT_SOURCE_DIR}/build/ ${CMAKE_CURRENT_SOURCE_DIR}/src_lib/3rdParty/lex/libs/amd64/)
add_executable(wof ${CLIENT_SRC})

TARGET_LINK_LIBRARIES(  wof
                        wof_static
                        ${CMAKE_CURRENT_SOURCE_DIR}/src_lib/3rdParty/lex/libs/amd64/libLexActivator.a
                        gmp
                        pthread
                        libnss3.so
                        /usr/lib/x86_64-linux-gnu/libssl3.so
                        /usr/lib/x86_64-linux-gnu/libnspr4.so
                        )

上面的目的是让CMake知道目标名称wof_static。这似乎可行，因为可执行文件wof的编译在库准备就绪时开始。但是我假设CMake会知道并使用目标libwof_static.a的输出文件wof_static。似乎并非如此。我得到的错误是：

[ 94%] Linking CXX static library libwof_static.a
/usr/local/bin/cmake -P CMakeFiles/wof_static.dir/cmake_clean_target.cmake
/usr/local/bin/cmake -E cmake_link_script CMakeFiles/wof_static.dir/link.txt --verbose=1
/usr/bin/ar qc libwof_static.a  CMakeFiles/wof_static.dir/src_lib/AngleEntry.cpp.o CMakeFiles/wof_static.dir/src_lib/CEdge.cpp.o CMakeFiles/wof_static.dir/src_lib/CMesh.cpp.o CMakeFiles/wof_static.dir/src_lib/CPatch.cpp.o CMakeFiles/wof_static.dir/src_lib/CTriangle.cpp.o CMakeFiles/wof_static.dir/src_lib/Calc.cpp.o CMakeFiles/wof_static.dir/src_lib/Casx.cpp.o CMakeFiles/wof_static.dir/src_lib/Chain.cpp.o CMakeFiles/wof_static.dir/src_lib/ChainMgr.cpp.o CMakeFiles/wof_static.dir/src_lib/Cloud.cpp.o CMakeFiles/wof_static.dir/src_lib/CloudMgr.cpp.o CMakeFiles/wof_static.dir/src_lib/Hal.cpp.o CMakeFiles/wof_static.dir/src_lib/Histogram.cpp.o CMakeFiles/wof_static.dir/src_lib/HoleFiller.cpp.o CMakeFiles/wof_static.dir/src_lib/HoleToCCD.cpp.o CMakeFiles/wof_static.dir/src_lib/Inspector.cpp.o CMakeFiles/wof_static.dir/src_lib/Iso.cpp.o CMakeFiles/wof_static.dir/src_lib/IsoStore.cpp.o CMakeFiles/wof_static.dir/src_lib/LexSample.cpp.o CMakeFiles/wof_static.dir/src_lib/Loop.cpp.o CMakeFiles/wof_static.dir/src_lib/Performance.cpp.o CMakeFiles/wof_static.dir/src_lib/Pixel.cpp.o CMakeFiles/wof_static.dir/src_lib/Plane.cpp.o CMakeFiles/wof_static.dir/src_lib/Posix.cpp.o CMakeFiles/wof_static.dir/src_lib/Rotx.cpp.o CMakeFiles/wof_static.dir/src_lib/Segment3.cpp.o CMakeFiles/wof_static.dir/src_lib/Smooth.cpp.o CMakeFiles/wof_static.dir/src_lib/Surve.cpp.o CMakeFiles/wof_static.dir/src_lib/Top.cpp.o CMakeFiles/wof_static.dir/src_lib/TopMelt.cpp.o CMakeFiles/wof_static.dir/src_lib/Vector3.cpp.o CMakeFiles/wof_static.dir/src_lib/Visualizer3.cpp.o CMakeFiles/wof_static.dir/src_lib/Voro.cpp.o CMakeFiles/wof_static.dir/src_lib/Wof.cpp.o CMakeFiles/wof_static.dir/src_lib/WofMesh.cpp.o CMakeFiles/wof_static.dir/src_lib/api.cpp.o CMakeFiles/wof_static.dir/src_lib/api_io.cpp.o CMakeFiles/wof_static.dir/src_lib/devStuff.cpp.o CMakeFiles/wof_static.dir/src_lib/freeFunctions.cpp.o CMakeFiles/wof_static.dir/src_lib/geom_locate3/Node.cpp.o CMakeFiles/wof_static.dir/src_lib/geom_locate3/RTree.cpp.o CMakeFiles/wof_static.dir/src_lib/geom_octree/OctNode.cpp.o CMakeFiles/wof_static.dir/src_lib/geom_octree/Octree.cpp.o CMakeFiles/wof_static.dir/src_lib/geom_tools/GSS_HC2.cpp.o CMakeFiles/wof_static.dir/src_lib/geom_tools/GSS_HC3.cpp.o CMakeFiles/wof_static.dir/src_lib/testDataGenerators.cpp.o CMakeFiles/wof_static.dir/src_lib/tinyply.cpp.o CMakeFiles/wof_static.dir/src_lib/tools.cpp.o
/usr/bin/ranlib libwof_static.a
make[2]: Leaving directory '/home/geom/repoWOF/dev/build'
[ 94%] Built target wof_static
make -f CMakeFiles/wof.dir/build.make CMakeFiles/wof.dir/depend
make[2]: Entering directory '/home/geom/repoWOF/dev/build'
cd /home/geom/repoWOF/dev/build && /usr/local/bin/cmake -E cmake_depends "Unix Makefiles" /home/geom/repoWOF/dev /home/geom/repoWOF/dev /home/geom/repoWOF/dev/build /home/geom/repoWOF/dev/build /home/geom/repoWOF/dev/build/CMakeFiles/wof.dir/DependInfo.cmake --color=
make[2]: Leaving directory '/home/geom/repoWOF/dev/build'
make -f CMakeFiles/wof.dir/build.make CMakeFiles/wof.dir/build
make[2]: Entering directory '/home/geom/repoWOF/dev/build'
[ 96%] Building CXX object CMakeFiles/wof.dir/src_client/Params.cpp.o
[ 98%] Building CXX object CMakeFiles/wof.dir/src_client/main.cpp.o
make[2]: *** No rule to make target '../3rdParty/lex/libs/amd64/libLexActivator.a', needed by 'wof'.  Stop.
make[2]: *** Waiting for unfinished jobs....
/usr/bin/c++   -I/home/geom/repoWOF/dev/include  -O3 -DNDEBUG   -std=c++11 -fstrict-aliasing -Wno-unused-local-typedefs -Wno-long-long -O3 -Wextra -Wunused -Wall  -pedantic-errors -frounding-math -funroll-loops -Wl,-s -o CMakeFiles/wof.dir/src_client/Params.cpp.o -c /home/geom/repoWOF/dev/src_client/Params.cpp
/usr/bin/c++   -I/home/geom/repoWOF/dev/include  -O3 -DNDEBUG   -std=c++11 -fstrict-aliasing -Wno-unused-local-typedefs -Wno-long-long -O3 -Wextra -Wunused -Wall  -pedantic-errors -frounding-math -funroll-loops -Wl,-s -o CMakeFiles/wof.dir/src_client/main.cpp.o -c /home/geom/repoWOF/dev/src_client/main.cpp
make[2]: Leaving directory '/home/geom/repoWOF/dev/build'
CMakeFiles/Makefile2:112: recipe for target 'CMakeFiles/wof.dir/all' failed
make[1]: *** [CMakeFiles/wof.dir/all] Error 2
make[1]: Leaving directory '/home/geom/repoWOF/dev/build'
Makefile:86: recipe for target 'all' failed
make: *** [all] Error 2

1 个答案:

答案 0 :(得分：1)

在文件dev/src_client/CMakeLists.txt中，以下行：

${CMAKE_CURRENT_SOURCE_DIR}/src_lib/3rdParty/lex/libs/amd64/libLexActivator.a

评估路径：

dev/src_client/src_lib/3rdParty/lex/libs/amd64/libLexActivator.a

我认为这不是您想要的，因为此路径与dev/src_lib/CMakeLists.txt文件中使用的路径不同。

使用CMake变量而不是CMAKE_CURRENT_SOURCE_DIR，该变量指向 root 源目录：CMAKE_SOURCE_DIR。尝试这样的事情：

TARGET_LINK_LIBRARIES(  wof
                        wof_static
                        ${CMAKE_SOURCE_DIR}/src_lib/3rdParty/lex/libs/amd64/libLexActivator.a
                        gmp
                        pthread
                        libnss3.so
                        /usr/lib/x86_64-linux-gnu/libssl3.so
                        /usr/lib/x86_64-linux-gnu/libnspr4.so
                        )
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