Cmake dynamic library undefined reference. lib (and same done to glut) nothing changed.
Cmake dynamic library undefined reference Sep 29, 2021 · CMake third party library undefined reference. Undefined reference with cmake using own libraries. ) It makes a difference where in the command you write this option; the linker searches and processes libraries and object files in the order they are specified. Following the C++ guide on the wiki of the library I tried to call a function from the library which resulted in a "Undefined reference to function. cpp I see undefined symbols. dll. For example, for a static library built with CMake, you could change its build script so that it sets the POSITION_INDEPENDENT_CODE target property on the static library target. cpp. Anywhere, you may build the project with make VERBOSE=1 and check exact command line used for linking. cpp Jan 1, 2014 · I am trying to compile my project using cmake, but I can't get past the linker errors. It could well be the linking order. But, for any other library, that doesn't happen (and it doesn't usually even happen for any math functions in the standard library--at least in most cases you need to explicitly link that). I’m trying to build zstd to be used in Android with jni with the following CMakeLists. I created a small simple console project with a "main. g. Undefined function is defined in the pthread library, so you need to link with that library. add_library(A_obj OBJECT ${A_SRCS}) add_library(A_shared SHARED) target_link_libraries(A_shared PUBLIC A_obj) This process works. I would then link ‘libdpdk. The name of the library that has dlopen and dlclose in it, usually -ldl on most UNIX Oct 5, 2012 · I'm making a C++ Shared Library and when I compile a main exe that uses the library the compiler gives me: main. Instead, use the Cmake approach: cd gtest-1. See that question about using pthreads in CMake. But now I need to load the library dynamically, and I have added dlfnc. Sep 30, 2012 · Note that Google recommend that you DO NOT build a library, but instead include the GTest code into your project. cpp) add_library(inversecdf STATIC InverseCDFProcess. childlib is the library I'm trying to create, and test is the test program. PROJECT Nov 22, 2022 · target_link_libraries(<target> ${CMAKE_DL_LIBS}) How you could find solution. so. I also tried to view the symbols defined in Lib2 using nm -C and noticed its OK. cpp existing and having the actual definitions. My build fail cause . so to another, yet one more possibility is compiling with "-fvisibility=hidden" in gcc or g++. one ending with a . Oct 1, 2021 · The problem seems to be you’re building a STATIC library (check https://cmake. The code itself is pretty trivial, so I think this must be an issue with my CMake configuration. exe main. cpp:(. The core problem is that the headers do not encapsulate this difference in the build settings. org/cmake/help/latest/command/add_library. 21. lib Jan 26, 2017 · -L specifies the library path, not a specific library. Further Apr 25, 2022 · Hello guys, i am just trying to use a library for a robot in my qt6 project. 3. e. Under Mac Os and Liniux this works fine. I tried with G++ to link dynamically: I tried with G++ to link dynamically: Jul 22, 2016 · Ask questions, find answers and collaborate at work with Stack Overflow for Teams. I have a . Files architecture: CMake : Nov 19, 2014 · I get errors saying the references are undefined (reference to stuff from the static libs). Mar 14, 2024 · I'm using CLion in Windows 11 and have installed OpenCV 2. In CMake you can reproduce the linking with: add_executable(main ${SOURCES}) target_link_libraries(main fftw3) Docu: CMake - target_link -llibrary -l library Search the library named library when linking. txt. log ) # Specifies libraries CMake should link to your target library. cpp file (using g++ compiler or whatever your environment c++ compiler is). Jul 13, 2020 · The problem I have is that ‘libdpdk. a because libHelloLib. I also have a main. Add it to the CMAKE_PREFIX_PATH when you call CMake, then CMake will look for your library in the passed paths, too. Jul 13, 2020 · I explained in my previous question that I am trying to build a dynamic library ‘libdpdk. You probably want -L sdp/lib -l sdpAPI to specify both the path and the library name. 7. cpp myClass. You need your sources because generally you build something (a library or an executable) that requires linking to some library that already exist. c, and z. Your nvcc command line specifies a compile-only operation (-rdc=true -c). Modified 8 years, 3 months ago. The project is built with CMake. c file to . cpp -L. I added boost via this: Apr 9, 2017 · This question is pretty much a duplicate of this recent question. add_executable(my_node main. The project creates a few static libraries and a few executables. Apr 22, 2013 · You can add lib folder to /etc/ld. cpp the "undefined reference" errors disappeared. CMake - Undefined Reference. dylib or xyce. I wrote my program which links to the Qt static library. Reload to refresh your session. It's empty because $* here expand to empty. Here are the steps that I take, starting with building a shared library A_shared using an object library A_obj. When we specify wrong project types in C++ IDEs like the visual studio and try to do things that the project does not expect, then, we get “undefined reference”. When I'm trying to use my library in an executable I get the error: Scanning dependencies of target dynamic-shadows Nov 7, 2012 · I am new to CMake and I am trying to get my project compiling. 7. so’ links without error but, when I link it to main. I installed libpcap-dev: sudo apt-get install libpcap-dev But then I try to compile any file, containing pcap functions like: #include <stdio. My CMake files look like this: Algo: Oct 22, 2021 · I’m trying to create the most basic CUDA application to demonstrate Dynamic Parallelism, Separate Compilation and Linking, a CUDA kernel in a static library, and I’m trying to use CMake to generate a Visual Studio solution. o -lz -L/usr/local/lib -lmysqlclient # undefined Sep 25, 2020 · MyLibrary is not a variable, it's a CMake target. Mar 18, 2019 · When creating a library in a POSIX environment, the default name will have a lib prefix. target_link_libraries() doesn't link to the "source files of the library", - it links to the compiled shared/static library blob. 1] 0x0000000f (RPATH) Library rpath Mar 13, 2023 · main. pb depends on messages_robocup_ssl_geometry. The syntax ${variable} is used to substitute the contents of a variable. I just compiled the same routine by giving it a global name via bind(c) attribute, and the executable was successfully built and run. a. hpp> int main() { // Make a window Jan 22, 2015 · I am trying to compile a program which is divided into 3 modules, corresponding to 3 source files: a. so, libxyce. Nov 21, 2017 · The exact way to set the correct build options of course depends on the build system used for building that static library. Aug 22, 2017 · CMake has a magic link_libraries() function which takes in the library specified and determines how you want it to be compiled (statically or dynamically linked). My cmake throws 0 errors, but when compiling my code, I get multiple undefined references such as =====[ Build | Jun 28, 2015 · Cuda CMake : undefined reference. Aug 25, 2022 · Hi, First, I would like to say I’m new to using CMake to there might be an obvious solution to this that I’m missing. gcc compiler: Dec 21, 2016 · I think what is happening is that you have a dynamic library for ncurses but you have used the -static option which means to not use any dynamic libraries. ee/p/b2Kk4 . cpp wasn't including CApp. . You already know the location of your library. Linking process begin and there where issue show up. 15. the bar library) can be propagated to the final target. Jun 2, 2016 · It looks like things here are getting pretty complicated to tell the exact solution, but I would suggest that you try to compile only robot_controller_library as it looks like it's the one throwing errors and no other dependencies are needed for it's building. html to know why it’s static). hpp looks OK, except you need to declare action() as pure virtual already there, but I’m not sure if the way you’ve written your . cpp knows about game. link_libraries(ev) It is interpreted as a dynamic linked library. Although it will try to prefix and postfix your library name with lib and either . Modified 1 year, 10 months ago. text+0x36): undefined reference to `glfwCreateWindow' What this is telling me at least is that using #include <enine/engine/h> in my game's source file worked but once that header tries to use #include <GLFW/glfw3. I need to use CMake and to compile with gcc on a Centos 7 distribution. I am receiving link errors claiming that the linker has come across undefined references to Aug 23, 2021 · I have installed package "spdlog" from vcpkg manager, successfully linked with the library by providing CMake instruction and generated foo. For example: add_library(framework3 SHARED ${MY_SOURCES}) #produces libframework3. Oct 16, 2011 · -llibrary -l library Search the library named library when linking. Provide details and share your research! But avoid …. cpp:13: undefined reference to `Game::initGame()' main. cu file, which I’m compiling into a static library. c and b. Apr 10, 2019 · Alternatively, you could also tweak your cmake build to add these defines. so’ I see quite a few undefined symbols. May 25, 2020 · I followed the instructions of building and installing the library which seemed to have gone fine. It looks like messages_robocup_ssl_wrapper. 4 with vcpkg. cpp) I then link these libraries into my executable in the normal way: include_directories(include) link_directories(lib) link_directories(include) # Do I need this? Then, I created c++ project with just main file, where I tried to print out the version of portaudio library. c. create a test executable for the shared library. c, b. Apart from the causes already discussed, “undefined reference” may also occur because of the following reasons. Problem shared library MYLIB. The command: g++ main. All the Jul 14, 2023 · I have fairly complex code called Xyce that builds statically under mac/linux and windows with CMake just fine. dll depending on the OS. Jan 8, 2012 · find_library(FOO_LIB foo) CMake will figure out itself how the actual file name is. txt is the current directory at runtime. I’m using CMake 3. so dynamic library, and the library calls functions not implemented in the . This works fine on Linux (of course with . Nov 25, 2020 · With the addition of the linker option -rdynamic your code does not fail with "undefined symbol". So in the CMake file you would literally just type in the path to the library containing the precompiled definition of color_gist_scaletab() after the "${catkin_LIBRARIES}" in the target_link_libraries entry. May 26, 2017 · When the GNU linker sees a library, it discards all symbols that it doesn't need. a) Dec 31, 2020 · How to link to a custom C++ library using CMake on Windows and avoid "undefined reference" errors - that do not happen on Linux. so as another of the virtual function's implementations, the latter won't see the vtable or typeinfo of the former. text+0x21): undefined reference to `FooClass::SayHello()' collect2: ld returned 1 exit status Library code: fooclass. Oct 1, 2021 · This is not CMake - this is really C++. So, I am able to build successfully using manual building: So, I am able to build successfully using manual building: Mar 23, 2011 · The files that defined these reference functions were in . Please help! Here's the directory structure. 0. May 17, 2012 · Undefined reference to template operator with definition in same header file. May 12, 2022 · How to link shared library on linux platform? I downloaded sfml library using apt cmd and I tried to run simple example: main. – Oct 1, 2017 · I am trying to link a static library with an executable file, following this example, but on MinGW-w64. 10 and have a problem linking a compiled library to a test executable in CMake. h file to the project sources and i have added the library. Idea is to create and install my own libraries (eg: libnt) depending on this mariadb connector and Aug 15, 2024 · CMake is not a NVIDIA product. In this case, your library appears before your . Dec 22, 2015 · CMake 3. a Now, I use these dll's in my Jul 23, 2012 · Trying to link against a static assimp library which I built with MinGW. cpp Adfeature. txt ├── subdir1 │ ├── CMakeLists. If you want help, my suggestion would be to provide the actual failing compile command, which can be gotten from CMake verbose output. I was not able to tell if this was resolved or still an issue. This works, because the library is known to CMake since it is built within the current project. Below is the example of the file structure that I have. a suffix. The part of CMakeLists that compiles the c++ files were already made and I'm adding the part to compile the CUDA files. cpp) add_library(interpolator STATIC Interpolator. a, then having foo. I thought it might be some other dependencies, so I tried Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. cpp got from proje Aug 27, 2020 · I am using a Qt static library. My final “Xyce” binary correctly, dynamically links to the . o refers symbols from library libbar. so Mar 7, 2019 · To clarify: In the image you first see part of the output of CMake, saying "Found SDL2_image:" and then the dynamic library – timmaay92 Commented Mar 7, 2019 at 11:07 Dec 2, 2015 · For those who happens to find this questions from googling "undefined reference" errors during compiling, I got several steps about debugging this kind of problem and wrote here for your information. Jan 6, 2016 · How do I add the math library to my CMake file? This post references adding a target link library, yet I am not too familiar with C. However, if I use make myprog2, everything links correctly and the program runs as expected. In any case, I think your . May 31, 2011 · @n. When your recipe then depends on pjsip, the libraries and header files should be installed into the sysroot (either the global one, or for Pyro and later, into the recipe specific sysroot). txt CMakeFiles cmake_install. I misread your question, and assumed you were using cmake with your project and linking to PHYSFS. txt main. 3, CUDA 11. Viewed 4k times 2 . I tried all the solutions on the web and I'm stuck in the whirlwind of repeating errors. Feb 4, 2020 · Linux CMake build dynamic library without linking depedencies. Aug 20, 2015 · I am trying to cross-compile apache-qpid for an arm system from a debian. An Additional post - Could someone please demonstrate an example. Static linking is pickier than dynamic linking and it wants the libraries to come after the object files Sep 5, 2021 · Based in Munich, our engineers & laboratory helps you to develop your product from the first idea to certification & production. However, I am curious why this is, since I am including the directory and telling CMake to compile this file. link_libraries(libev. Jan 7, 2018 · I read from here that I have to use static library instead of dynamic library. 9. – I'm trying to compile a program that uses C++ and CUDA using CMake. cpp is legal - I’ve never seen a class redeclared like that in the . Instead, use ${CMAKE_CURRENT_SOURCE_DIR} whenever you want a path relative to the CMakeLists. 5. Dec 12, 2019 · I have the following app being built and linked using CMake. I tried to boil it down to the minimal amount of files to reproduce my issue. 2; When I do a make myprog, myprog's link phase complains that there is an undefined reference to doit. readelf -d program: Dynamic section at offset 0x1bc contains 35 entries: Tag Type Name/Value 0x00000001 (NEEDED) Shared library: [libssl. Dependencies Dec 2, 2013 · I've compiled a shared library A that use Nite1. 4, and Visual Studio 2019 (16. When I compile it, it shows the error: undefined reference to std Jul 4, 2019 · This is because such infomation isn't contained in the static library, as opposite to a dynamic library. Viewed 150k times Jan 25, 2020 · The important thing is that the library build is done by cmake and executable build is done on the Bash command line. cpp" file. Then you should run ldconfig. The code that I posted in this question is a simplification of my code, and it displays the exact same problem. For already-built libraries IMPORTED library target should be used. libraries with template Mar 25, 2019 · I want to compile my C99 project with the flag -fsanitize=address. Jun 9, 2015 · cmake_minimum_required (VERSION 2. So for the library target find, the linked file will be named libfind. If so, wrapper should come before geometry in the link line. g++ -o main. If you have an idea, do not hesitate, thank you. so seems to compile Oct 2, 2015 · I'm encountering an incredibly frustrating linker issue. so I've my project B that include A. There is undefined reference to __dlopen error, but it seems that it is related to the previous warning: using 'dlopen' in Apr 17, 2015 · When you integrate the library in your CMake project, you can directly use the following command without using find_library. h May 23, 2022 · /usr/bin/ld: main. Dec 26, 2021 · To be summarized, I have an Object target (a_object) which is PUBLIC linked to a Shared Library (base). Jan 31, 2018 · I am using CMake 3. The linker resolves references in order, so when the library is BEFORE the module being compiled, the linker gets confused and does not think that any of the functions in the library are needed. Aug 10, 2022 · The issue here is not the install process but the fact that you link only to libHelloLib. so: $(OBJECTS) $(LD) $* $(LDFLAGS) -shared -o $@ Oct 9, 2015 · I have created a simple C++ application. so’ to my own main. The DPDK examples use gnu make, not CMake, so it is not easy to see what is wrong with my CMake files. Getting verbose output form the compiler gives You signed in with another tab or window. a or . so: undefined reference to `XnVFlowRouter::XnVFlowRouter(char const*)' . cpp and my own library of my functions that require … Sep 21, 2022 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. I'm attem Aug 17, 2019 · Clang receives the option -undefined,dynamic_lookup to ignore missing symbols when compiling a library. Now, I'm using the dlopen to load the libraries at run time and link the function pointers using dlsym (instead of relying on undefined references). conf placed, I don't remember it clearly). I added the - The project structure below is a simplified example. I noticed the issue is not with the makefile itself but the way I'm trying to compile and build with GCC. cpp) target_link_libraries(my_node dynamic_lib my_dependency) The source of my_node DOES NOT use dynam Goal: create a shared library containing my CUDA kernels that has a CUDA-free wrapper/header. Nov 21, 2008 · If you're linking one . Given my project, I have multiple subdirs. a instead of glew32. It gives me undefined reference to the Pa_GetVersion() method. Your libHelloLib. Jul 9, 2020 · I have a working CMake test project that consists of my C++ code linked to a 3rd party library called DPDK, targeting Linux. Jul 7, 2014 · Don't assume that the directory containing CMakeLists. txt file, consider adding the PUBLIC keyword to ensure that the transitive dependencies (i. 1] 0x00000001 (NEEDED) Shared library: [libcrypto. cpp test program. May 3, 2017 · CMake verifies that the library exists before # completing its build. cpp file is compiled. obj):BlenderLoader Aug 17, 2018 · 用 nm -D BINARY 列出 BINARY (object file、static/dynamic library、executable) dynamic section 的 symbol: T/t 分別表示 global/local symbol。 U 表示 undefined symbol。 Apr 16, 2016 · The dynamic library target in Xcode that fails to link because it contains a reference to this symbol (which is not unexpected), but I know that the symbol will be available at run time. so files were built with "-fvisibility=hidden" and the key method is not in the same . a need the symbol in libWorldLib. Sep 5, 2008 · gcc -L/usr/local/lib -lmysqlclient myprog. I will be compiling this function into each target that the common library is linked to. But when I compile I get a linker error in the main that my library functions are undefined. Once I changed the . cpp:14: undefined reference to 'Game::quit()' I assume the main. h CMakeCache. cmake CMakeLists. h, but has no idea about game. (i'm a cmake beginner). how can I really solve the problem? usr/local/lib/A. 13. Check if the library you linked with exists in /usr/lib/ or /usr/local/lib/ , if not, try to install these first. As a starting point, try building the dll as part of the same CMake project as the consuming executable: Sep 14, 2020 · I usually compile with Cmake using CMakeLists, but now it doesn't work since it states: undefined reference to 'i2c_smbus_write_byte_data'. Also, it is impossible to link with . ,. Jul 24, 2015 · Now this works and compiles everything fine but I get an undefined reference while linking, so I tried to investigate if everything was available at the end and it Apr 6, 2020 · I am trying to build a C++ static library in Linux (Ubuntu 18. For example: include_directories(${CMAKE_CURRENT_SOURCE_DIR}/hdr) Sep 22, 2020 · However lib1 doesn’t have any issues, while lib2 generates unreferenced related errors when being linked to an executable that uses it. You can set that with set_target_properties(untitled4 PROPERTIES ENABLE_EXPORTS 1) or target_link_options(untitled4 BEFORE PRIVATE "-rdynamic"). Ask Question CUDA Dynamic Parallelism MakeFile. m I don't know whether libdl is a static or a dynamic library, but in any case this is good practice. I suspect you do not actually have a static version of the ncurses library i. lib file (import file). 2. The idea is that you build modules in CMake, and link them together. #4) Wrong Project Type. 6) PROJECT (threads_tests) SET(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "-std=c++11 -pthread") ADD_EXECUTABLE(threads_1 threads_1. Is there a a similar option in Zig? Then I can have better scalability to compile a shared library. I have installed boost both via apt-get install and manually in my home folder but the linker doesn't see eith You signed in with another tab or window. The Object target is compiled fine, however when I link that Object target to an executable ( Aug 1, 2019 · Thanks for your time and inputs J Decker, and due to some unavoidable circumstances I couldn't reply earlier. undefined reference to `Software::Software()', but I do not see the problem. Cmake linking to shared library cannot find library. ) and my file referencing these functions is a . But for clear answer about app's lib folder better to google or ask someone who more familliar with linux programming than me, I'm not sure someone else will see your comment here. -lmylib or. Asking for help, clarification, or responding to other answers. (The second alternative with the library as a separate argument is only for POSIX compliance and is not recommended. text+0xd9e): undefined reference to So it is OpenCV_LIBS or Open_CV_LIBS variable which contains a list of libraries? Your last comment seems to contradict to the code in the question post. main. Nov 4, 2022 · However when it gets to linking cmake puts -DCMAKE_EXE_LINKER_FLAGS near the beginning and I get a lot of " undefined reference to" errors. I currently have gcc 7. 11. 1. z. This is my dir structure so far: "quadro/minimu9-ahrs" alias home |-build |-include |-src in my home May 31, 2017 · The command add_library will create a library in your project (CMake - add_library). cpp file, so the library is being discarded before the . log-lib # Specifies the name of the NDK library that # you want CMake to locate. make And then manually install these into /usr/lib/ This version correctly links in libpthread into libgtest. The correct syntax to create a dependency to MyLibrary is this: Feb 4, 2020 · I am trying to link with a DLL executable using CMake. When I switch to building with shared libraries, the main target “Xyce” will depend on the dynamic library libxyce. c files (which would default cmake to compile with a C compiler. o -lbar will result in successful link since the undefined references seen in foo. 4. so) and another which uses it (called libgrpc++. In particular, inline expects an external definition in a separate translation unit (which you can provide without duplicating the definition - see this answer). o -L/usr/local/lib -lmysqlclient # undefined reference to `_uncompress' # we have to link with libz, too gcc myprog. dll library file: it should be . cpp -o main -lfftw3 will link the executable to the fftw library. I am trying to setup a modern cmake project so it can be easily maintainable for my team. May 31, 2018 · However, when I try to make it with CMake, I get a linker error: undefined reference to `AVT::VmbAPI::VimbaSystem::GetInstance()' I'm sure the path is right, as the code compiles and runs without issue if I don't call GetInstance(). h and a . Apr 11, 2020 · add_library(xyparser STATIC XYParser. . a (as long as no other object listed after -lbar refers symbols from the library). target_link_libraries(my_app ${Boost_LIBRARIES} -lrt) That achieves the same effect in solving the missing library to be linked against by using e. sl (or similar). This library type is by default compiled without position independent code (PIC) and, if not explicitly written in CMake, does not carry transitive linking information. Documentation I am using C and I receive an undefined reference to 'pow' with the pow method of the math header. Log library in a project I am working on. 0 mkdir build cd build cmake -DBUILD_SHARED_LIBS=ON . Jul 17, 2018 · With more information regarding the symbols available in the static and dynamic libraries, I've come to the conclusion the shared library is empty. Do this: g++ -o main. I can compile it, and it works fine. How to fix `undefined reference to dlopen` in CMake project? Nov 3, 2020 · Ask questions, find answers and collaborate at work with Stack Overflow for Teams. 5). so’ of my own functions linked to the 3rd party DPDK libraries. I now want to separate my code into a main. This means inline, static inline and extern inline all behave differently. Ask Question Asked 8 years, 3 months ago. Oct 29, 2021 · In my C++ Cmake project, i recently had to include mariadb c++ connector. I don't understand why CMake isn't properly linking to mylib correctly in the C++ program. Apr 29, 2020 · My project was working fine before but I changed it to be compiled as a dynamic library in order to have it perform self-update, like so: Launcher -> Executable Server -> Library (Core project, mu Sep 15, 2016 · CMake: undefined reference to boost library. ├── CMakeLists. so). a is a static lib and so only contains its own symbol. cpp Makefile Feb 25, 2017 · The line add_library(SDL2 SDL2. h to my project and added some more code: #inclu Sep 10, 2015 · The problem was that the BNO055 library was written in C, and my program was written in C++. conf (or wherever ld. o are satisfied during the processing of libbar. txt │ └── Oct 11, 2021 · I'm trying to link a pybind11 module with a . here is the output : https://paste. target_link_libraries(main ${QT_LIBRARIES} ${catkin_LIBRARIES} sbp) Aug 11, 2017 · Second, target_link_libraries() takes the absolute path of the shared/static library file as the second argument, while you are passing the directory path (well, it seems so). CMAKE_DL_LIBS. Aug 14, 2019 · In your Shared Libraries CMakeLists. Idea is to create and install my own libraries (eg: libnt) depending on this mariadb connector and Mar 17, 2017 · @ZiruiBai: The only real difference is that when gcc (or most other compilers) spawns the linker, by default it'll tell the linker to link to the standard library. I did checked main function and it exist in code, checked cmake linking sdl and I suppose is decend. My recommendation is to start simple, and then complicate your project further. cpp #include <SFML/Graphics. so), but on Windows, it seems to be tricky. libmgl. In fact, if I run ‘nm -u’ on ‘libdpdk. Oct 29, 2019 · Your modelling of the dynamic library is incorrect, both on CMake and on the source level. It checks the usual places like /usr/lib, /usr/lib64 and the paths in PATH. I have Windows 10. h-- meaning that it was included at some other point, causing the weird undefined reference errors. 4. Jan 18, 2015 · Googling aroung told me it was "wrong VS libraries" but when tried to use glew-1. in my cmake file i have added the library. #5) No Library Mar 31, 2022 · I'm trying to set up a C++ project using CMake but I think I'm missing something. You switched accounts on another tab or window. lib (and same done to glut) nothing changed. Let me try to explain how linking works in CMake. Linking the library should fix this. Nov 19, 2014 · I get errors saying the references are undefined (reference to stuff from the static libs). Visual studio 2010, project linking with cuda files. Here are the errors I'm getting: H:\ovgl\ovgl\dependencies\Assimp\lib\libassimp. c:(. Hence, when you try building a final shared library that actually uses the pthread capability it fails. so libraries, one which defines gpr_log (called libgpr. which means that you should specify the sources of YOUR library as second argument to add_library() or add_executable() and not the library that is already compiled. I learned that to use a function defined in a C program, in a C++ program, you have to wrap the include of the C library in an extern "C" {} block like so: May 20, 2014 · I'm trying to create a C library, and a C++ test program for the library using Boost::Test. I'm got two dynamic . pb. Sep 1, 2013 · I am trying to use the new Boost. a(BlenderLoader. And yeah - not the easiest thing on Earth . If both . h> that is when does not work and any function called from there is now undefined. I know, undefined reference exactly says what is wrong: The linker cannot find a valid reference to the given constructor. so Aug 15, 2024 · CMake is not a NVIDIA product. I added the Dec 26, 2018 · After succesfull compiling the code. Getting verbose output form the compiler gives Apr 10, 2017 · I want to use pcap in my Clion project on linux. Try Teams for free Explore Teams The problem is a reference thing. If you google dlopen and scroll a little you possibly will be able to find CMAKE_DL_LIBS page in CMake documentation. May 24, 2015 · for my project in c++ I wanted to create a cmake file to compile and link everything together. You signed out in another tab or window. Name of library containing dlopen and dlclose. Explore Teams May 22, 2015 · That means, if object file foo. Jul 1, 2015 · First, the answer is: Append -lrt to the end of your macro target_link_libraries for your target my_app, i. What am I doing wrong? I am using Clion and building it with CMake. My CMakeLists file: (note that this is identical to the one in that answer) Apr 13, 2021 · I'm building a shared library using cmake. This is a problem with "linking" and usually means you failed to link the library, or the library is missing the implementation of this function. lib file like follows: target_link_libr… Jun 8, 2018 · these are the files of my code [azdoud@video-processor prototype02]$ ls Adfeature. I assume that is not what you want. Dynamic parallelism requires relocatable device code linking, in addition to compiling. 4-mingw32 and libgluew32. You might need to specify an architecture for FANN when you compile, which might mean modifying GCC flags in the makefile, unless there are autoconf settings to do it for you. EDIT. find_library( # Sets the name of the path variable. If you type. so file. By putting the library AFTER the module, the references to the library in the module are resolved by the linker. Compiling B, I get a lot of undefined reference to. dll and foo. cpp) but explicitly finding the library and linking with it also works and may be necessarily for some crosscompile situations with embedded platforms. Mar 15, 2019 · It compiles fine without warnings, but checking the resulting binary tells me that it's still shared library. 04 in my case) using GCC using a Makefile. # after definition of executable or library dont forget cuda arch version(s Feb 8, 2011 · It looks like you're compiling your own program as 64-bit, but the FANN library is 32-bit. It works fine in a normal c++ executable file, but raises Undefined Sep 28, 2012 · undefined reference to `PHYSFS_init. so, which is the filename you need to pass to dlopen. Jul 22, 2017 · Let the pjsip recipe install the header files and libraries into ${D} add usual. So my library is in: /usr/local/lib/A. I compiled the static version of Qt5. o # undefined reference to `_mysql_init' # myprog depends on libmysqlclient # so myprog has to come earlier on the command line gcc myprog. This is explained in the add_library documentation. dll) is wrong: it defines a library which should be built by CMake. Mar 7, 2019 · To clarify: In the image you first see part of the output of CMake, saying "Found SDL2_image:" and then the dynamic library – timmaay92 Commented Mar 7, 2019 at 11:07 Mar 11, 2019 · I work on C++ project, i use CMake to build my file. When I used dynamic linking, it worked, but I can't seem to use the static one. May 5, 2015 · CMake doesn't link C and C++ static libraries (undefined reference to function) 0 CMake: build lib and link it to executable results in undefined reference error Apr 6, 2012 · Just in case anyone cares ;-) -- I think it is something to do with the relation between the lousy circular library dependency between arch and synergy, combined with the fact that CDaemonApp. 1 and cmake 3. I searched a lot and found that in earlier versions there was a problem where you could not link intermediate libraries in the result executable. I have a project with the following layout. Ask Question undefined reference to `event_del' uclient. c contains the main() function, which calls functions in a. I know there are a lot of topics According to the manual, passing -std=gnu11 enables C99 instead of GNU inline semantics. Undefined reference to static variable c++ [duplicate] Ask Question Asked 11 years, 9 months ago. pwrdmygt pmd chhoifs xeyng fazh xhwhkp fznat ezx hzlsbvzsv tjzgu