CMake: Reference external library from static library











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I've C++ project build using CMake and currently facing 1 issue, brief description below



lib_common -- STATIC library
lib common uses libconfig to load common configurations used in other project.



script_executor -- CMake project
It references above static library and also add external library libconfig, see below:



add_executable(script_executor)
target_link_libraries(script_executor "-lconfig++" "-llibcommon")


So I'm referencing llibcommon inside this project and llibcommon also uses libconfig which is already reference("-lconfig++") from this project.



But I'm still getting undefined reference to libconfig::Config::Config()



Environment details:




  • UBuntu 16.04,

  • cmake version 3.5.1,

  • gcc version 5.4.0,

  • g++ version 5.4.0










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  • try changing library order putting -lconfig++ after -llibcommon, also llibcommon can probably be lcommon
    – VTT
    Nov 21 at 12:29












  • Please read Under what circumstances may I add “urgent” or other similar phrases to my question, in order to obtain faster answers? - the summary is that this is not an ideal way to address volunteers, and is probably counterproductive to obtaining answers. Please refrain from adding this to your questions.
    – halfer
    Nov 21 at 21:21















up vote
0
down vote

favorite












I've C++ project build using CMake and currently facing 1 issue, brief description below



lib_common -- STATIC library
lib common uses libconfig to load common configurations used in other project.



script_executor -- CMake project
It references above static library and also add external library libconfig, see below:



add_executable(script_executor)
target_link_libraries(script_executor "-lconfig++" "-llibcommon")


So I'm referencing llibcommon inside this project and llibcommon also uses libconfig which is already reference("-lconfig++") from this project.



But I'm still getting undefined reference to libconfig::Config::Config()



Environment details:




  • UBuntu 16.04,

  • cmake version 3.5.1,

  • gcc version 5.4.0,

  • g++ version 5.4.0










share|improve this question
























  • try changing library order putting -lconfig++ after -llibcommon, also llibcommon can probably be lcommon
    – VTT
    Nov 21 at 12:29












  • Please read Under what circumstances may I add “urgent” or other similar phrases to my question, in order to obtain faster answers? - the summary is that this is not an ideal way to address volunteers, and is probably counterproductive to obtaining answers. Please refrain from adding this to your questions.
    – halfer
    Nov 21 at 21:21













up vote
0
down vote

favorite









up vote
0
down vote

favorite











I've C++ project build using CMake and currently facing 1 issue, brief description below



lib_common -- STATIC library
lib common uses libconfig to load common configurations used in other project.



script_executor -- CMake project
It references above static library and also add external library libconfig, see below:



add_executable(script_executor)
target_link_libraries(script_executor "-lconfig++" "-llibcommon")


So I'm referencing llibcommon inside this project and llibcommon also uses libconfig which is already reference("-lconfig++") from this project.



But I'm still getting undefined reference to libconfig::Config::Config()



Environment details:




  • UBuntu 16.04,

  • cmake version 3.5.1,

  • gcc version 5.4.0,

  • g++ version 5.4.0










share|improve this question















I've C++ project build using CMake and currently facing 1 issue, brief description below



lib_common -- STATIC library
lib common uses libconfig to load common configurations used in other project.



script_executor -- CMake project
It references above static library and also add external library libconfig, see below:



add_executable(script_executor)
target_link_libraries(script_executor "-lconfig++" "-llibcommon")


So I'm referencing llibcommon inside this project and llibcommon also uses libconfig which is already reference("-lconfig++") from this project.



But I'm still getting undefined reference to libconfig::Config::Config()



Environment details:




  • UBuntu 16.04,

  • cmake version 3.5.1,

  • gcc version 5.4.0,

  • g++ version 5.4.0







c++ cmake c++14






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edited Nov 21 at 21:21









halfer

14.2k757106




14.2k757106










asked Nov 21 at 12:26









Muhammad Aamir

1




1












  • try changing library order putting -lconfig++ after -llibcommon, also llibcommon can probably be lcommon
    – VTT
    Nov 21 at 12:29












  • Please read Under what circumstances may I add “urgent” or other similar phrases to my question, in order to obtain faster answers? - the summary is that this is not an ideal way to address volunteers, and is probably counterproductive to obtaining answers. Please refrain from adding this to your questions.
    – halfer
    Nov 21 at 21:21


















  • try changing library order putting -lconfig++ after -llibcommon, also llibcommon can probably be lcommon
    – VTT
    Nov 21 at 12:29












  • Please read Under what circumstances may I add “urgent” or other similar phrases to my question, in order to obtain faster answers? - the summary is that this is not an ideal way to address volunteers, and is probably counterproductive to obtaining answers. Please refrain from adding this to your questions.
    – halfer
    Nov 21 at 21:21
















try changing library order putting -lconfig++ after -llibcommon, also llibcommon can probably be lcommon
– VTT
Nov 21 at 12:29






try changing library order putting -lconfig++ after -llibcommon, also llibcommon can probably be lcommon
– VTT
Nov 21 at 12:29














Please read Under what circumstances may I add “urgent” or other similar phrases to my question, in order to obtain faster answers? - the summary is that this is not an ideal way to address volunteers, and is probably counterproductive to obtaining answers. Please refrain from adding this to your questions.
– halfer
Nov 21 at 21:21




Please read Under what circumstances may I add “urgent” or other similar phrases to my question, in order to obtain faster answers? - the summary is that this is not an ideal way to address volunteers, and is probably counterproductive to obtaining answers. Please refrain from adding this to your questions.
– halfer
Nov 21 at 21:21

















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