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qt cmake moc

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At time of building I get link error to Qt meta, the ones that shoul be generated with moc. I followed the documentation on cmake and qt on how to set up a project, but Automoc does'nt work. Mmmh a great miss, however this was a test I made to figure out why another similar project doesn't work. And I got the same errors, but in that project I'm pretty sure I didn't miss that line. Now I don't have the code under the eyes, but I'll let you know if it work!

Depending on the size and complexity of the beast, you might have better luck recreating the CMakeLists. There is the working. Your example and code worked fine for me with one exception. This line had to be changed to a capital C on core:. Again this used your test.

M c)111/-y

I used cmake 3. I missed that one. SGaist Oh I would have missed it too if I didn't try to run his example. Case stuff is hard to see without a compiler issue.

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I also ran it but I didn't saw anything about the component itself but I may have very well missed it. Tried both solutions: And both work! It seems that the capital c on core make the difference, now moc is triggered correctly. It work also for the "real project". Qt Forum. Only users with topic management privileges can see it. Reply Quote 0 1 Reply Last reply. Hope it helps. Right, I managed to miss it Which version of CMake and Qt are you using?

Cmake version 3. Ok, can you share the code you have to reproduce your problem? The cmake file is the same i posted in the previous post test.CMake - the cross-platform, open-source build system. CMake is a family of tools designed to build, test and package software. CMake is used to control the software compilation process using simple platform and compiler independent configuration files.

CMake generates native makefiles and workspaces that can be used in the compiler environment of your choice. You can use it instead qmake, native Qt buid system.

In this article i describe base functionality, that usualy used to build simple project.

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This article show you to use cmake with Qt4. As you can see, this project consists from 4 files. Three of them is implementing MainWindow class and one is main. You may avoid this problem by appending below code to your CMakeLists. The AUTORCC target property controls whether cmake 1 creates rules to execute rcc at the appropriate time on source files which have the suffix.

You may use CMake, but most of people advice, not to use CMake for simple projects, because qmake build system functionality is more than enough for simple projects. Jump to: navigationsearch. Category : Build. Navigation menu Personal tools Sign in. Namespaces Page Discussion. Views Read View source View history. Navigation Main page Recent changes Random page Help. This page was last modified on 25 Novemberat Privacy policy About Qt Wiki Disclaimers.CMake can find and use Qt 4 and Qt 5 libraries.

See cmake-packages 7 for more information about CMake packages, and see the Qt cmake manual for your Qt version. Qt 4 and Qt 5 may be used together in the same CMake buildsystem :. A CMake target may not link to both Qt 4 and Qt 5. A diagnostic is issued if this is attempted or results from transitive target dependency evaluation.

Qt relies on some bundled tools for code generation, such as moc for meta-object code generation, uic for widget layout and population, and rcc for virtual filesystem content generation.

These tools may be automatically invoked by cmake 1 if the appropriate conditions are met. The automatic tool invocation may be used with both Qt 4 and Qt 5. The tools are executed as part of a synthesized custom target generated by CMake. If it is not so included, it will be added to a separate file which is compiled into the target.

This means that a library which provides an alternative translation system for Qt may specify options which should be used when running uic :. The AUTORCC target property controls whether cmake 1 creates rules to execute rcc at the appropriate time on source files which have the suffix.

This documents an old version of CMake. Click here to see the latest release. That function is declared in the klocalizedstring. Quick search. Created using Sphinx 1.CMake is a tool that helps simplify the build process for development projects across different platforms. CMake automates the generation of buildsystems such as Makefiles and Visual Studio project files.

CMake is a 3rd party tool with its own documentation. The rest of this manual details the specifics of how to use Qt 5 with CMake. The minimum version required to use Qt5 is CMake 2. These libraries and header files can then be used to build libraries and applications based on Qt.

The recommended way to use Qt libraries and headers with CMake 2. In CMake 2. Note that setting the minimum required CMake version to 2. Imported targets are created for each Qt module. Note however that it is rare to require the full location to the library in CMake code. Most CMake APIs are aware of imported targets and can automatically use them instead of the full path. Imported targets are created with the configurations Qt was configured with.

That is, if Qt was configured with the -debug switch, an imported target with the configuration DEBUG will be created. If your project has custom CMake build configurations, it may be necessary to set a mapping from your custom configuration to either the debug or release Qt configuration.

CMake starting from version 3. If you use CMake version older than 3. If you use Qt 5. Also see: CMake cmake-compile-features Documentation. The recommended way to use Qt libraries and headers with CMake prior to 2. It automatically finds the modules given to it on the command line if they have not already been found. If using CMake older than 2. Attempting to use it will result in an error. To use Qt 5 with versions of CMake older than 2.

The name of the imported target for each module matches the name of the module with a prefix of 'Qt', for example QtWidgets. All of the package-specific variables have a consistent name with a prefix of the name of the package.

Note that the variables are case-sensitive. Additionally, several other variables are available which do not relate to a particular package, but to the Qt installation itself. Note that this macro is only available if using CMake 2. This macro is obsolete.

Using CMake build system

Documentation contributions included herein are the copyrights of their respective owners.Search everywhere only in this topic. Advanced Search. Classic List Threaded. Michael Jackson.

qt cmake moc

Parallel moc for Qt files. I have a large list of files that need to have Qt's 'moc' run on them headers. I use all the normal CMake facilities for Qt based projects. I noticed that the generation of the moc files are done serially.

Is there a flag or anything that I can use to run the generation in Parallel? I ask because each file takes about 3 seconds to run through moc. We have other places in the code where 'moc' must run and it does each file in the "blink of an eye". Just curious. Cristian Adam. Re: Parallel moc for Qt files. Have you tried removing moc altogether using Verdigris? I'm curious how this would speed up your compilation time. CMake mailing list. In reply to this post by Michael Jackson.

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I don't know how to parallelize moc with CMake though I previously reduce moc time sometimes it's very slow : - by replacing as much include as possible by forward-declaration. In reply to this post by Cristian Adam. Looks like an interesting project. I will keep an eye on it though. In reply to this post by CMake mailing list. Thank you for the suggestions.

Konstantin Tokarev. Each moc file will be generated by a separate custom command. Cheers, Cristian. In reply to this post by Cristian Adam Looks like an interesting project.

Qt Documentation

In reply to this post by CMake mailing list Thank you for the suggestions. It is almost like a Jom for moc needs to be written.


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Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. Problem I am having it that I would like visual studio to create new moc objects if I modify the QT ui files. If I just do a full build everything works file, but if I just modify something on the ui file it does not "auto moc" and I have to rebuild the whole project.

Does anyone know a way to get this to work having visual studio to detect ui file modifications and "auto moc" the modified ui file?

Start by replacing your file GLOB This will also ensure the build is creating dependencies for the set of files you are expecting it to. This answer has more details about why you probably want to do this, aside from the reasons below.

Can you confirm that your. In your file GLOB So just explicitly list out your. Learn more. Asked 4 years, 6 months ago. Active 4 years, 6 months ago. Viewed 2k times. Mac Mac 2, 2 2 gold badges 24 24 silver badges 49 49 bronze badges.

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qt cmake moc

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