Qt static linking cmake. Building Qt for Static Linking.

Qt static linking cmake If Qt 5. Build Qt with the static option will only link the executable to the static Qt libs, but it will not produce a Qt build that runs without external dependencies, the static Qt libs will still dynamically link to 3rd party libs. so [ 69%] Built target RADIANT-SCP-InjectorClient Scanning dependencies of target RADIANT-SCP-SystemService This topic has been deleted. Others have already asked similar questions, such as Do I need to have any additionally settings to indicate I want static Qt linking in CMake? The internet wasn't too helpful on this. If the -static solution does not static link then in my opinion the build of libwidgets. 9. zhang static struct QMetaObject Unable to run QT Quick application built with CMake and static linking of QT libraries in Visual Studio; QtWS: Super Early Bird Tickets Available! (STATIC_QT_LIBRARIES ${HARFBUZZLIB} ${QT5PLATFORMSUPPORT} Qt5::QtQuick2Plugin ${QTQUICK_CONTROLS_PLUGIN} ${QMLDBGTCP} $ I have created a static Qt build on Windows 10 by using Visual Studio 2022. module "BCControls" is not installed. Only Qt left dynamic. 3 installed modules: FindPNG. With CMake; 2023-10-01 | Qt 6. However, I get errors during linking: Build a static version of Qt. (nvm the comment above, I found the problem) To add to Ation answer, the "future proof" way I found to debug this is to use qmake for a minimal sample. " Hence I am compiling the Framework statically. You just need to build Qt as static libraries with the configure -static option. Categories; @yuvaram I am talking on building the QT binaries as static libs, not linking my project statically. The CMake file looks like this: @VRonin. Here are my questions: So now that I've done this, I've got a whole new directory called C:\Qt\Qt-5. pro: QT += core gui QTPLUGIN. You can easily find the necessary libraries by googling the name of the symbol. The <ORIGIN>_autogen_timestamp_deps target ¶. 15 and I don't get to load svg from QML. cpp I've been porting a project from Qt 5. All it has is the lists of possible library's prefixes and suffixes. 26. Qt static libraries undefined reference. It uses Qt::Gui, Network, Core and Widgets. For optimal performance you also need to set CMAKE_INTERPROCEDURAL_OPTIMIZATION to ON. See Building Static Version of I want to pull a single class out into a re-useable static library. Report repository Releases I want to link a static library project created in Visual Studio to a Qt Quick Project to display the functions in the UI. 6, Apple M2 Pro; 2024-01-02 | Qt 5. pro file. This topic has been deleted. This project also works with Qt5. This target does not have any sources or commands to execute, but it has dependencies that were previously inherited by I have created a static Qt build on Windows 10 by using Visual Studio 2022. There have been some attempts, from what I gather, but nothing official for static linking of Qt applications with CMake. Linking static vs shared libraries (Qt 6 CMake) QtWS: Super Early Bird Tickets Available! Linking static vs shared libraries (Qt 6 CMake) Scheduled Pinned Locked Moved Unsolved General and Desktop 2 Posts 2 Posters 1. If the libwidgets. I do not think it is related You need to build Qt yourself from source. I'm learning C++ and Qt and to start off I'm trying to build an application with QT. However, I get errors during linking: I've been scouring the web or several hours now without a definitive soution. When linking with static Qt, dynamic plugin are not load on demand and must There is one more problem I have figured out few hours ago. I understand this, as you compiled Qt with -static swtich, and then compiled Qt again, but this time with -shared. Cutelyst simplemail is built with CMake while my project is built with QMake and Qt 5. Is your cmake-toolchain ok? Assuming that the compilation succeeds, the next stage is CMAKE finds EGL, Qt does not: tiny bug in Qt's FindEGL. 1, Mac OS 13. Viewed 1k times 0 . I've been stuck on this for hours and tried to find any This project aim is to provide 2 CMake macro that replicate QMake functionality to generate Q_IMPORT_PLUGIN macros when linking with a static version of Qt. Could you tell me how to perform a static build of qtcreator? 1 Reply Last reply Reply Quote 0. 2 static. There's nothing else you need to change in your CMake setup, so you can keep your BUILD_SHARED_LIBS flag as you want and Qt is not affected by it. The plugin is going to be either dynamic or module based on the backing target type. ) I'm trying to build a small C++/Qt test program for reading files of various encodings and I am trying to use the Compact Encoding Detection I managed to get my C++/Qt project working with CMake under QtCreator, and also managed to build and test CED (CMake then produces a I would like to either just use CED as a static library . The Project compiles fine if I link the library as SHARED, but when I try turn to STATIC, I get the next report: [100%] Linkin I have a cmake built QML app that builds and runs fine on MacOS and Windows 10, but fails to build on Ubuntu 16. AUTOMOC is a boolean specifying whether CMake will handle the Qt moc preprocessor automatically, i. Compiled it with these commands: resolving linking errors while using Qt with cmake. I am working on a desktop Qt (6. 2 stars. // STATIC // qmake CONFIG+=staticlib // cmake qt_add_library(my_program STATIC ${SOURCE_FILES} ) Are there any Unsolved Build qtcreator using static linking. I have created a static Qt build on Windows 10 by using Visual Studio 2022. com Mon Feb 19 10:08:33 EST 2018. /qt-everywhere-src-6. Shared Libraries. From Qt document I came to know the following step. Some of the errors are Hi, I have a project with a library and amn app that link the library from different path. You can build a static library and a second one and have your executable project linked against both, but it's not possible to link the first static library with the second library and then link them into the final executable. However, the static executable file of the application still references the Windows DLL's such as kernel32. Important note: This is not a sandboxed approach How can I link an out of the box Qt Widgets application to a static version of Qt using cmake? I'm new to cmake and not really sure how to proceed from here. This is a calling order problem between UIC execution and target_link_libraries unfortunately not in that order. I am using a Qt static library. I found a couple posts saying that linking statically should only be done with qmake, not cmake. pro file, and my main application . dll (since you can't statically link to a dynamic library that defeats the I have a driver . cpp │ └── utils │ ├── calculator. cpp │ └── calculator. The solution is generator-dependent. Currently my CMake libraries looks like this It seems to me that the problem is in FindPNG: Looking at my cmake 3. C 1 Reply Last reply . For both the GSL and libconfig, I found cmake files and copied them into the cmake/ directory of my project. In fact, there's no documented way to pass such flags. I just downloaded openCV and built it using cmake, making sure to uncheck 'build sharedlibs' option. I know there is other solutions for that problem but I still want to build my app with static linking to only have one executable people can launch. There are many scenarios where one is better than the other and vice versa. Usage. The code of ProA looks like: class ProA_Export ProA: public QWidget { Q_OBJECT public: }; The CMake script of ProA looks like : set unresolved e CMake Discourse unresolved external symbol "public: static struct QMetaObject const" when linking to a shared Q_OBJECT. /buildconf . txt ├── src │ ├── CMakeLists. This repo only provide Windows (amd64) and macOS (x86_64 and arm64) builds. so files if I need them I've got both the static and the dynamic versions of the boost libraries in /usr/lib. the source code is presented below. The question says all the thing. I do not think it is related I am putting together an example project structure for a desktop application stack including Qt, Googletest, CMake, and C++. I am going to look into CQtDeployer, but from what I understand, its a tool, which installs the Qt I have it building and linking with default behavior w/regards to Qt find_package (Qt5 5. 04. With static linking you can be sure that final linking of the executable will only include the parts of the library that are actually used. All you need to do is to build Qt and your application in release mode, following the procedures described in this documentation. lib files for the respective projects, and they must have the same runtime linkage or you will run into issues. Static vs. – I am trying to work out CMAKE with my Qt solution. platforms = qminimal qxcb CONFIG -= import_plugins CONFIG += static SOURCES += main. Maybe [cmake-developers] [SOLVED] CMake build with static crt and static QtDialog not linking Stuermer, Michael SP/HZA-ZSEP michael. cmake, etc. king at kitware. I do not know yet where or when static and dll libs are used in common. You can use the QTC_STATIC_BUILD CMake variable set to Hey, I'm working on an application that uses Qt for its graphical user interface. ├── CMakeLists. Using MinGW > configure -static -release -no-exceptions > mingw32-make sub-src More information on static builds with mingw can be found here I am trying to create Qt static application via CMake by linking Qt and its modules as a /MT runtime library. I have a simple CMake + Qt + GTest project: . Qt's cmake module's dependencies must be messed up. Now when I add the STATIC m_logfile member to the logger. Be aware, that if you are using Qt under LGPL, then using static linking might make it harder for you to Yes, I think I used the terms static and dynamic linking wrong. You are missing these, somehow. I have added next changes in project. Hi I've build static Qt libraries (5. txt │ ├── main. For static link you need to add -static to linker flags. To start viewing messages, select the forum that you want to visit from the selection below. Follow answered Oct 24, 2016 at 20:40 Static linking against Qt on Windows using CMake. @Patrick, If you want to statically link, you will need the static . 04 and 18. The class does use QFile and QString. – You can use the QTC_STATIC_BUILD CMake variable set to ON to build Qt Creator statically. However, I get errors during linking: I have read in the Qt docs that: So I want to link a “debug version of Qt” when compiling PDF4QT. Spelling correction will not be available. I was hoping someone could help me decipher them. I use: Ubuntu 18; In the house static build The backing target can be either shared or static independent of what Qt was compiled with. By following the Qt guide for Conan I've got a buil There is no such switch like -shared-and-static. 3. Actually, this is the brand new project which I have created to test Quazip because in my real project it leads to the same issues. add_executable(testproject WIN32 main. 2. Specify whether the library is statically or dynamically linked. 2 watching. 1 and 6. Next message: [CMake] Linking to Qt static libraries fails using cmake but not qmake (both OSX and Linux) Messages sorted by: Hi, that's because qmake uses its some extra files to track the additional libraries that are needed when you link qt statically (. 04 and am really trying to follow these instructions to the letter. 1,989 7 7 gold badges 28 28 silver badges 48 48 bronze badges. 1) Visual Studio 2008 -> commandPrompt -> QtDir -> configure -static -> nmake. This is a native feature of qmake but was missing with CMake build. dll" on systems who lack Visual C++ Redistibutable. The Project compiles fine if I link the library as SHARED, but when I try turn to STATIC, I get the next report: [100%] Linkin A Qt static build means that no Qt or MinGW DLL's are used. com Tue Mar 10 13:28:18 EDT 2015. Here are my questions: How do I build the cutelyst simpemail project statically using CMake? I see that simply doing vcpkg install qt5 gave me a bunch of DLLs and . Load 7 more related questions Show fewer related questions Sorted by: Reset to I am using Qt in a way that the Qt-related files are in a separate subdirectory called "GUI", and I am qt; cmake; static-linking; or ask your own question. Failing fast at scale: Rapid prototyping at Those dependencies are “magically” brought in by qmake, but the CMake find package for Qt does not bring those in. I would not say that dynamic linking is de-facto preferred over static linking. . after writing a code, unless I put the opencv core dll in the same folder as my application , the application doesn't work. Forks. dll statically by building with conan package manager with & AFAIK that's a bit tricky, because CMake, more precisely the find_library command, prefers shared libs and finds those if both shared and static are available. That will bring up the relevant MSDN page. To get verbose output, you might add. txt setup correctly with the find_packages I have gotten the dynamic linking to work but am having trouble with static linking. o, except that imp is prepended. The documentation for QPluginLoader states that: When Visual Studio runs CMake it doesn't hint that it should use MSVC; CMake ended up finding the MinGW kit installed on the system; To fix it in a (as far as I can tell) durable way: Right the CMakeList file and clear the CMake cache; Right click the CMakeList file and select "CMake Settings" Then click on "Edit JSON" in the top right Deploying an Qt application does not require any C++ programming. I am using Qt Creator, which uses QMake and I want to build a . I'm still looking for a good solution myself to be able to compile binaries "as static as possible", but I've found no elegant solution yet. CMake_QT_STATIC_QWindowsIntegrationPlugin_LIBRARIES > > in the initial cache file configures use of the static plugin. If i build them both as STATIC libraries it works, Qt static linking problem: undefined reference to C++ std library. You may find out more about this in the qt's developers mailing list. Can you tell me how I can link the static library. a files. Skip to content. Here are my questions: @VRonin. a static file, which I don't want it. In CMake I am linking the next Qt modules: Qt6::Core, Qt6::Widgets, Qt6::Gui. Linking a static library to a shared library in cmake. So my question is not a duplicate of this. I have gotten the dynamic linking to work but am having trouble with static linking. 1. 1 and it worked without issue. In case you didn't notice the symbol names in the VTK libraries are exactly those that get compiled into the application object file myvtl. Hot Network Questions Why is "white noise" generated I am building a Qt application on Windows using static Qt build made with MinGW and using MinGW to compile the application itself too (MinGW wasn’t my choice, unfortunately I have to use it for this project). Cmake: static linking requires libraries at the runtime (appcrash 0xC0000135) Ask Question Asked 8 years, 8 months ago. I have built libcurl statically: . Installation and I was only able to figure out how to build a static version of qt. 2 which I built from source. However, I get errors during linking: Hi, I have a project with a library and amn app that link the library from different path. Use the qt_add_library command to create a library and link against it in the CMakeLists. For debugging, you should use the shared build, as this has reasonable link times. h └── tests ├── I am working on a desktop Qt (6. 0, but I always run into same error: so, what do I do (all from powershell): The backing target can be either shared or static independent of what Qt was compiled with. You will definitely want to maintain two builds of Qt. 9) did load svg from QML with no extra steps. I have a CMake Qt project. so shared library file that has all its dependencies statically linked. It uses CMake with vcpkg as package manager when configuring its build. # find_path Building Qt for Static Linking. Previous message (by thread): [cmake-developers] CMake build with static crt and static QtDialog not linking Next message (by thread): [cmake-developers] CMake build with static crt and static QtDialog not linking I am new to developing on Windows and Qt and I am trying to build my app with static linking to avoid errors such as "missing msvcp140. Mircea Mircea. As a build system, I use CMake. Ok. How can I do that? I have tried appending -DCMAKE_BUILD_TYPE=Debug to the config line, I have the Problem that when I compile the compiler complains that he can not find the header of a library that I have written. --parallel 4 $ cmake --install . also , none of the highgui functions seem to work. Now I want built it as static plugin . That worked quite well during development, but now we have some deployment issues: We think the best way to deploy our application is creating a static build, because our project depends on a quite new The previous post was the script I use to statically build Qt5 on Windows, but the real fun part is then linking an application using that version ! qt; build; cmake; static-linking; Share. There are two ways of deploying an application: Static Linking; Shared Libraries (Frameworks on Mac) @SGaist Hi Sgaist, I made a little progress, I fixed the LNK2038 errors by adding some compiler flags to change the runtime library to static. Oldest to Newest. It is about Cmake support of Qt's static build. I compiled the static version of Qt5. in which it didn't work and complained that it could not find Qt5Cored. This issue is only with Quazip-1. These DLL's, however, are installed with Windows and do not need to be deployed with the application. It seems that FindMPI is able to locate The version of the action is the same as the version of Qt. – I am working on a desktop Qt (6. 15. I want to build an exe that has all the dlls required for openCV to work . I'm using cmake to build, and conan for the package manager. Therefore I used the settings describe This dependency is not modeled in your CMake scripts. a is not available. 2 project which is buildt using cmake. The scenario is the following: I want the project to have several different build types, like debug, release, etc. – How can I detect if the used version of Qt is statically built in a cmake project? My goal is to make my project files independent from the version of Qt that is used to build it, and there are a few places where I need to differ between dynamic and static builds. The point is, that my team is not using qmake but CMake to handle the dependencies. Modified 8 years, 8 months ago. 2, which has static libraries in it. Previous message: [CMake] missing bin folder Next message: [CMake] Linking to Qt static libraries fails using cmake but not qmake (both OSX and Linux) Messages sorted by: This procedure must also be replicated using cmake if similar behavior is desired. 1 Reply Last reply . But when I use CONFIG += static it also changes the library to a static library and produces a . The final goal is, to generate binaries "as static as possible" that is to link statically against every library that does have a static version available. Share. This is how I Linking a static library in visual studio to a Qt project using cmake; QtWS: Super Early Bird Tickets Available! Linking a static library in visual studio to a Qt project using cmake. Is there another solution to doing this? Either rebuilding openCV with specific flags or changing the build options on Qt Creator? For building the OpenCV libs I just built it of the solution file generated by cmake, with the build shared libraries checkbox unchecked, which to my understanding is all you need to do to get a solution for the static libs. h" in ProB, it reproted: unresolved external symbol "public: static struct QMetaObject const ProA::staticMetaObject" If I remove the Q_OBJECT from ProA, everything is OK except that the signal-slot of QT do not work. Alternatively, clone the qt5 repository using git. Not according to my tests. I'm trying to wrap my head around statically linking c++ applications using CMake. Watchers. Make sure to import all needed static plugins, or compile needed modules into the library. Don't bother to much with the size of your own library (though most likely you really have that many dependencies b So now that I've done this, I've got a whole new directory called C:\Qt\Qt-5. The only thing you have to support is the library path for the static Qt-Libaries. You misunderstood the concept of AUTOMOC:. Due to guides I'm building -static from sources: $ mkdir build $ cd build $ . What can I do? is there how-to build QT binaries statically, I need to static link so i dont need to ship any QT binaries to windows, Mac-OS and linux. I am looking forward to create static build for this application, but it fails because libGLX. 11 in Qt Creator. Static linking . Note: Using static linking will disable the use of dynamically loaded plugins. I am trying to make two QObject libraries, using cmake on windows, where one depend on the other. Apparently, it finds the dynamic one first and stops looking for the static one. 9 to 5. It used to be qmake, but it's being slowly converted to CMake. 6, Xcode 15. 12, Mac OS 13. Only users with topic management privileges can see it. dynamic linking : You link the qt creator files against the Qt-Export-Libraries; static linking: You link the qt creator files against the static Qt-Libraries; both, the Qt-Export-Libraries AND the QT-Libraries have the same name. my project will link to QT static libraries, so I have to build In CMake and several build systems directly linking a static library into another static library is meaningless. Building Qt for Static Linking. When I overwrite the implicit behavior of qt_add_qml_module I get a STATIC_LIBRARY CMake target and a *plugin. ) and mingw32. However, when I try to build the executable in visual studio, it gives me linking errors. a file". I downloaded qt everywhere from this page. 3 Static linking against Qt on Windows using CMake. It works fine. dll. The problem I encounter is when I try to use the library. txt file, as instructed in Structuring projects. The Overflow Blog WBIT #2: Memories of persistence and the state of state. I would like to have control over the type of the libraries that get found/linked with my binaries in CMake. Please note that it is not recommended to use branches such as v6 directly. For release, you should use the static build, definitely with link time code generation to keep the executable smaller, and expect the build of a trivial application to take on the order of a minute. The Qt app that tries to link the VTK libraries is built with QtCreator, using MinGW. If this is your first visit, be sure to check out the FAQ by clicking the link above. I think the MSVC_RUNTIME_LIBRARY and CMAKE_MSVC_RUNTIME_LIBRARY variables to change compiler flags to /MT and /MTd (static flags) are for executables only. I am developing a small simulation software that depends on two libraries, the GSL and the libconfig. I am using cmake for this. dll on c++. (Remember that static libraries are essentially a bunch of object files packed together, but they never pass through the linker. I've tried to add one lib after another and now I can't find the rest. WARNING: No backend for low level audio found. As both of those are static libraries, they will still build fine on their own. The application builds fine with both qmake and CMake, but the resulting executable is different when it is built using qmake and when it is built using CMake. without having to use the QT4_WRAP_CPP() macro. See tags and releases for a full list of built Qt libraries. You are probably not compiling a static executable for your application. The commands that should be executed depend on the desired platform MinGW (win32-g++) or Microsoft Visual Studio (win32-msvc). @cristian-adam if I understand you, that's what I just did (my application does use QGeoLocation). Below this text yo I wrote qml plugin using cmake. 5. Hi, 我在这里可以提个关于QT的问题吗？ 因为我应用需要用CUDA, 但是CUDA的分离编译要求用静态链接，所以我不得不用Qt CMake documentation is not that bad, do not neglect reading it. Currently Qt4 is supported. Scheduled Pinned Locked Moved Unsolved QML and Qt Quick 2 This topic has been deleted. I know, it is the mess. 2 works ok for this project but I want use static. testcase. lib files, so they have been downloaded, but how can I specify CMake to link against the static libraries The Qt is built with -static-runtime option, so the application shouldn’t require MinGW runtime DLLs (and it doesn’t require those with qmake, as expected), but okay, that I am trying to create Qt static application via CMake by linking Qt and its modules as a /MT runtime library. Cleaning my project, deleting the old release and debug directories, manually running cmake -config release, then nmake, still doesn't find the static libraries, and builds a small executable that requires DLLs. (This library uses CMake instead of configure) To build a static Qt executable is a substantial undertaking involving building Qt itself from source code so that you have libraries suitable for static linking. The project uses static linking, i am building for Windows 11 with CMake, and i have already updated the plugins, where it was appropriate. Note that dependencies for the xcb platform plugin need not be installed, as Qt will be configured without xcb support. This requires QT_INSTALL_QML to be known which can be queried by executing qmake -query QT_INSTALL_QML. Creating and using a static library with CMake. The goal here is to have a cross-platform project structure that people can copy from github to insert their code for their C or C++ static library (used by their UI), automated unit testing for their library, and UI (Qt5) code in a well organized It will be statically linked to Qt, and possibly also statically linked to the language runtime if Qt was configured with -static-runtime. e. Improve this question. Note: Hunspell in Qt Virtual Keyboard is not enabled. I thought I had my CMakeLists. /configure --disable-shared --with-openssl make -j$(nproc) CMake project linking a static library. 4. I'm trying to build a Qt5 application with static libraries using CMake, but I can't figure out how to link the files statically. dll or user32. This is important as would enable portability of binaries across different systems during testing. Is there any simple way to compile the Qt application as a stand alone program? A Simple Qt6 program built with CMake and Conan which statically links to Qt - bertuz/qt6-static-helloworld. Before you can build your static Qt application, you will need to rebuild the toolchain and device image with static configuration. Install Qt sources by running the MaintenanceTool, located in the root of INSTALL_DIR. 3 COMPONENTS Core Multimedia Network Widgets Xml XmlPatterns REQUIRED) What I want to do is take advantage of the fact that I have a developer license and should have the ability to static link to the Qt libraries without building from source, significantly cleaning up Since it's a static library you may try to move it after the libs which provide those functions. com Fri Feb 16 09:10:20 EST 2018. h and the implementation to the logger. Previously, I have used the quazip-0. Readme Activity. For msvc_nmake, LIBFLAGS are passed to the linker instead. 9. I have created static and dynamic Qt library. I do not think it is related Hi I would like to introduce to you a small CMake script a made in order to generate Q_IMPORT_PLUGIN macro when linking with static version of Qt. Add target_link_libraries( Iphlpapi) to the CMakeFile. I do not think it is related The VTK libraries are built static with cmake and MinGW. g. Oldest to I would like to migrate from 5. It doesn't work in the way I was expected. However, I get errors during linking: [CMake] Linking to Qt static libraries fails using cmake but not qmake (both OSX and Linux) paul johnson p77johnson at gmail. Why can CLion correctly build and link Qt, Just for the sake of technical clarity, if you're statically linking, you're not linking to the DLL. Compiling and linking works, but I get run-time errors saying e. Navigation Menu Toggle navigation. Or, are you suggesting I try a different application that also uses Qt Location? EDIT: Per @cristian-adam 's suggestion, I used one of the supplied Qt applications, and it built. a went wrong. You can manually link with Iphlpapi. 1. target_link_libraries(testproject Qt5::Widgets) @ Cmake did successfully generate the build files. I'm building against a static build of 5. You may have to register before you can post: click the register link above to proceed. What I actually meant with static linking is having the Qt dependency withing the project. Nothing wrong here, you now have two copies of Qt, one of them is with static libs and the other one - with shared. CMAKE_CXX_FLAGS are compiler flags, but target_link_libraries uses linker flags, which are CMAKE_EXE_LINKER_FLAGS. Then I read a lot of instructions how to make it static. cpp) Use the Widgets module from Qt 5. And qtquick2plugin is one of those, apparently. 0) application with UI built on QML (used through resource). Why can CLion correctly build and link Qt, but not run my executable? The ProB links ProA in CMake: target_link_libraries(ProB ProA). I am trying to put some commonly-used QML into a static library and then allowing applications to link against this static library. I also realize that I could simply copy the . I am trying to link a chain of external libraries (liblept using libjpeg) to a @VRonin. The problem is, when I read them closely, they're very ambiguous. Then, when I #include "ProA. The new build uses a static Qt. 2/configure -static -prefix /path/to/install $ cmake --build . # # Set to On to use a statically built version of Qt # set (QT_STATIC On) if (QT_STATIC) set (QT_STATIC_SUFFIX "static/lib/cmake") endif () # # Find Qt. No need for CONFIG += static, it's a no-op. The libraries libgcc and libstdc++ have static and non-static (DLL) versions, and if you statically link, you're not linking to the DLLs. [cmake-developers] CMake build with static crt and static QtDialog not linking Brad King brad. so files or include them statically in my program as *. To use static linking, Qt must be built with the -static First of all, shared libs Qt6. cristian-adam @alexey. I do not think it is related I want to link a static library project created in Visual Studio to a Qt Quick Project to display the functions in the UI. cpp mainwindow. And also they require I have created a static Qt build on Windows 10 by using Visual Studio 2022. txt and try linking again. cmake qt6: unresolved external symbol “public: Tell CMake to create the executable. Now there are shared. Like libstdc++, and etc. That's why I always linking instead of unpacking everything to the source. As far as I know, when search libraries, CMake doesn't distinguish static and shared ones. 3. regards Karl-Heinz Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog As Qt documentation says "Building Qt for Static Linking To use static linking, Qt must be built with the -static configuration option. Write better cmake cpp static-linking qt6 Resources. You are saying: bq. Edit: It seems the problem is that I am linking to Qt statically, and thus the plugins are all static libs. cpp Linking CXX shared library libRADIANT-SCP-InjectorClient. 15 or later is used and the generator is either Ninja or Makefile Generators, the <ORIGIN>_autogen_timestamp_deps target is also created in addition to the The <ORIGIN>_autogen target target. prl IIRC). On a hunch, I completely deleted the build directory for my application (doing a clean from This topic has been deleted. Now I'd like CMake to prefer the static versions during the linkage of my executable. So forcing the linker to static link results in errors as the OP doesn't have the 3rd party static libs. It has been mostly straightforward on the cpp side, but i have been stuck with qml and its plugins for a long time. stuermer at schaeffler. The first step is to build a static version of Qt. I'm currently trying to create a project with statically linked QT built from source. Everything works OK, except that I don't know how to static link my project. I am trying to create Qt static application via CMake by linking Qt and its modules as a /MT runtime library. I'm using CMake, and I'm getting lots of different unresolved external symbol erros due to some mussing libs I guess. Improve this answer. I've been developing a program with Qt5 on Linux without a problem, now I'm trying to compile it on Windows using CMake (with Qt5CoreConfig. 0k Views. a lib was built as static lib, then it should not contain references to any dll (I looked for it in some static lib i have for sure and there wasn't). Unable to run QT Quick application built with CMake and static linking of QT libraries in Visual Studio; QtWS: Super Early Bird Tickets Available! (STATIC_QT_LIBRARIES ${HARFBUZZLIB} ${QT5PLATFORMSUPPORT} Qt5::QtQuick2Plugin ${QTQUICK_CONTROLS_PLUGIN} ${QMLDBGTCP} $ In staticlib projects, the LFLAGS are not passed to the linker. HelIo, I have problem when I link C++ static library in android studio. ismagilov last edited by . Stars. lib files in cmake. The parameters of the chosen Qt build determine what happens to the project you build using that particular Qt build. I could make them static and linked them to . 0. @VRonin. Static linking with a Qt project. Next message: [CMake] [Interest] Problems with CMake and static Qt plugins Messages sorted by: Hello, I have a slight problem linking against a local installation of mpi using cmake. The static libr I can either include the libraries through dynamic linking if I create *. It is Native C++ android studio project and static library is linked. Dear all, as far as I have tried to compile QT static version(s) - i tried 6. But, it took 17 GB and at the end it exited before the completion stating that "the space is not enough". However, I get errors during linking: I've made sure I'm using the SVG module in both my static library . no. Sign in Product GitHub Copilot. C I've tried and failed to follow the static linking instructions a few times over the years, so I've installed a clean copy of Ubuntu 20. And NAMES option, of course. I'm having a hell of a time finding documentation which clearly explains how to use a static library in Qt Creator. I've created and compiled my static library using Qt Creator (New=>Projects\C++ Library=>Set type to "Statically Linked Library"). 12 to 6. , but also a custom Qt warns about this on configuring a static build (or at least it does so in recent versions): Note: Using static linking will disable the use of dynamically loaded plugins. 1) to minimize dependencies and simplify deploying of Qt applications on Linux. 1 fork. You want to statically link to the pthreads library, not to libwinpthread-1. cmake searches with a find_library for any library with a NAME like png${v} libpng${v} libpng${v}_static. Follow asked Mar 25, 2020 at 17:48. It compiles and spits out a ". Linking static libraries in CMake Project - Undefined Reference. 12. QMAKE_LIBFLAGS += /VERBOSE Talking about a Qt 5. The original version, using qt provided by Ubuntu (5. (For ios for example). You indicate which triplet you want to use via setting -DVCPKG_TARGET_TRIPLET=x64-windows-static in your cmake build on first configure. 11 Cannot compile a simple Qt program in MT mode as opposed to MD in Visual Studio 2010. I've tried and failed to follow the static linking instructions a few times over the years, so I've installed a clean copy of Ubuntu 20. a output. cmake prevents linking with static Qt; QtWS: Super Early Bird Tickets Available! CMAKE finds EGL, Qt does not: the cmake-configuration of my application could again proceed as intended, after which compilation and linking to static Qt was possible. lcw aeg jqp shiq tqlwblg kfq cugpdr xwj icbkwnb gfmow