Cmake set clang2/12/2024 ![]() (the other option is Menu->File->InvalidateCache&Restart, but as it restarts the IDE, it is slower). Now, it is possible to do such clean&restart without restarting the IDE in Menu->Tools->CMake->Reset Cache and Reload Project Note that typically a CMake cache clean&restart might be necessary. It is possible too to use the CMake variables -D CMAKE_C_COMPILER=clang-3.6 -D CMAKE_CXX_COMPILER=clang++-3.6ĭefined in the CLion IDE, to define the compiler. If you go to File->Settings, you could see the compiler is Clang: Our terminal will automatically use CLang as default compiler. As we already have defined CC and CXX environment variables, launching CLion in Updates: You have the latest version (conan.io )ĬLion is a cross-platform C/C++ IDE from JetBrains. License: Boost Software License - Version 1.0. You can check the installed dependencies with: $ conan info conan.io = You can use in parallel many configurations if you want, just place each one in a This install step will generate 2 files: conanbuildinfo.cmake with some CMake variablesĭefined inside, as include paths and library names and conaninfo.txt which stores your currentĬonfiguration. Go and grab a coffee, it will build Poco, Boost and some other libs! So, it is expected that pre-compiled binariesįor CLang in Linux will not be available, so we have to tell conan to build them from sources. MSVC in Win, GNU/gcc in Linux and Apple-Clang in OSX. Most packages in conan provide binaries for the mainstream compilers, s compiler =clang -s compiler.version =3.6 -s compiler.libcxx =libstdc++ -build =missing ![]() UsingĪ known and close folder for conan temporary files allows easy management of dependencies: $ mkdir. (you can use any name), as the CLion editor uses an external build folder. Inside the folder there is a simple conanfile.txt defining our dependencies: install the dependencies. You might need to use sudo if you are installing it globally, not necessary To install conan in your computer, the easiest way is with Python package: $ sudo pip install conan This is also convenient for later CLion usage with this compiler. Prefer to set the CC and CXX environment variables: $ export CC =clang The compilers to CMake in the command line, I find it error prone, so I usually We will be using CMake “Unix Makefiles” generators. $ export PATH =/home/user/cmake-3.5/bin: $PATH $ cmake -version It is easy to add it permanently to the path. I did this way because I have to keep CMake 2.8.12 as default, but Was retrieved and installed, prepending the bin subfolder to the path, so it gets The default CMake version bundled with Ubuntu 14 is still 2.8.12, which is really old.ĬMake current version is 3.5 at the time of this writing, so lets install it. $ clang -version $ clang++ -version Setting up latest CMake (meta) build system ![]() $ sudo ln -s /usr/bin/clang++-3.6 /usr/local/bin/clang++ (most likely we can also use other ways as update-alternatives): $ sudo ln -s /usr/bin/clang-3.6 /usr/local/bin/clang Currently, the conan package for boost,ĭoes not do that, so it requires clang to be in the path. Butįor others, as building boost, it is much simpler if clang is in the path, Setting environment variables CC and CXX is enough for most use cases. Installed this way, clang will not add itself to the path. ![]() The default compiler in Ubuntu is GNU/gcc, so we have to install first Clang: $ sudo apt-get install clang-3.6 As example, we will develop a simple application using the Though Clang has some support in Windows, its usage there is still low compared with MSVC,Īnd Apple-Clang is the default on OSX, so it has not special difficulties. The name 4 Cs is cool, but not my idea, it has beenĬoined by well known C++ blogger Arne Metz, author Using Clang as compiler, CMake as build system, CLion as IDE and ConanĪs package manager. This post explains how to setup a development environment for C and C++ projects
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