meson build with clang

Any extra information would be greatly appreciated Distribution: Manjaro 21.0-RC1 Mesa: mesa-git 21.1.0_devel.136824.731ea067-1 To review, open the file in an editor that reveals hidden Unicode characters. If Clang's -fprofile-instr-generate flag is in the CFLAGS environment variable, Meson's symbols_have_underscore_prefix() function returns True incorrectly and causes build failure (lots of "undefined reference" linker errors) on Linux. Then, under General > Platform Toolset, choose LLVM (clang-cl) and then OK. clang-format binary is in path. Both ICL and MSVC come with shell environments, the easiest way to use meson with these it to open a shell. Scan-Build. Run the following commands on Linux to reproduce this bug: I do not want. Do you think this can be solved using meson+ninja build? The Meson Build System. In our example, there are three meson.build files: in the top level directory, in the ./src directory beneath (where main.c and dynamic-library-loader.c are located) and lastly in ./src/tq84 where the files for the shared objects are located ( add. Then run the build using meson build-clang. Formatting with clang-format. to The Meson Build System, hof.f.@gmail.com. *PATCH v5 01/11] 9p: linux: Fix a couple Linux assumptions 2022-02-07 22:40 [PATCH v5 00/11] 9p: Add support for darwin Will Cohen @ 2022-02-07 22:40 ` Will Cohen 2022-02-07 22:40 ` [PATCH v5 02/11] 9p: Rename 9p-util -> 9p-util-linux Will Cohen ` (9 subsequent siblings) 10 siblings, 0 replies; 34+ messages in thread From: Will Cohen . Add New Bug. This overrides all given files. This means that at the topmost directory has a file called meson.build. Meson dev. Iver Karlsbakk Smge, . Iver Karlsbakk Smge, . tools.build:cflags list of extra of pure C flags that will be used by c_args. Posted by.

This step depends on your project. Typically, you should first choose All configurations at the top of the dialog. has_argument ( '-Wno-c99-designator' ) . if cc . Learn more about bidirectional Unicode characters . Configuring the Build.

It did support autotools, but this support was recently dropped. Option 1. Here is the meson.log: meson-log.txt Regression As far as I know, no. The static library is built with the static_library () function, the shared library with the shared_library () function. /bin/bash echo "install requires tools" sudo apt-get update sudo apt-get install -y cmake libffi-dev libedit-dev swig git gcc g++ pkg-config ninja-build libxml2-dev python3-pip echo "Download llvm source" git clone --depth 1 https://github.com/llvm/llvm-project cd llvm-project * and answer. mkdir build. At the end we have to define our host_machine.Meson define the host_machine as the machine that runs the compilated code. #. cd /path/to/source/root. $ meson build . Hi, I try to do ODBC cross-plattform. $ meson setup <Meson options, such as --buildtype=debugoptimized> -Db_pgo=generate $ meson compile -C builddir Then we need to run the program with some representative input. . Recently Meson has started to gain popularity among C++ developers. I'm building a static-only library which is static only for the users convenience. When clang-format is installed and a .clang-format file is found at the main project's root source directory, Meson automatically adds a clang-format target that reformat all C and C++ files (currently only with Ninja backend).. ninja -C builddir clang-format Since 0.58.0. 124. * ). Group(s): - Repo: . The Clang-LLVM C compiler and Microsoft MSVC linker. Version 12.0.1-1 is the first release of the xPack LLVM clang package. . Show activity on this post. # programs, so we need to build all C++ code in mesa without rtti as well to. This means that at the topmost directory has a file called meson.build. To configure a Visual Studio project to use Clang, right-click on the project node in Solution Explorer and choose Properties. Depending on how you obtained Meson the command might also be called meson.py Configuring the Build. meson .. First we create a directory to hold all files generated during the build. Thank you, I must be missing something in my file. Package: mingw-w64-clang-aarch64-meson High-productivity build system (mingw-w64) Source Files. The target is only created if: the repo has a .clang-format file. And in most cases this is equal to the target_machine.. meson.build. Thanks for the reply, and I will try this. For example, if we wanted to test building the source code with the Clang compiler instead of the system default, we could just type the . To configure a build, run the meson tool, passing the path to the directory to be used for the build e.g. We run the following commands to get the build started. When clang-format is installed and a .clang-format file is found at the main project's root source directory, Meson automatically adds a clang-format target that reformat all C and C++ files (currently only with Ninja backend).. ninja -C builddir clang-format Since 0.58.0. cd build. Android Build system when building as native Android component. You can specify which compiler to use with environment variables. Steps to compile and test a project. Unix-like OSes If Meson is not already installed on your system, you can typically install it with your package installer. Ninja is a small low-level build system with a focus on speed. The --buildtype=plain also disables Meson's own defaults: CFLAGS="-o2" meson --buildtype=plain ~/helloworld/src ~/helloworld/build This annoying limitation is one of the reasons why I got interested in LLVM (and thus Clang), which is by-design a full-fledged cross compiler toolchain and is mostly compatible with GNU. meson build --backend vs. build Visual Studio . That will solve the issue. To get this information, you first need to extract the compiler object from the main meson variable. As such, I've built a number of actions to help matrix-build projects against multiple GCC/Clang versions, as well as some helper actions to set up Visual Studio/MinGW-w64, build Boost, etc . If you only want to check the formatting -i has to be removed. With meson as the build system, clang or gcc would be required on windows even if msvc is available. meson build/ && cd build ninja ninja install Identified AOCC compiler based on Clang 13.0.0. ninja -j 18 completed with errors. PEP 517 leads to more freedom and I think innovation in how we build Python packages. I can compile my c files on the command line, but not with meson. I'm building a static-only library which is static only for the users convenience. Meson will create a clang-format target that you can run manually and it will reformat all code in the source tree using as many parallel processes as your machine has CPUs. The sample meson.build is:

Basic testing with cam utility. Project is a simple Qt GUI application, with no other dependencies. If meson is not available as a suitable package, it can also be installed using the Python 3 pip tool, e.g. To improve building universal with meson we recently added machine cross-files. For example, to use Clang instead of GCC: CC=clang meson ~/helloworld/src ~/helloworld . It supports many languages and compilers, including GCC, Clang, PGI, Intel, and Visual Studio. clang-format. 57.3. Create complex build systems with Meson in a way that works for embedded projects; Cross-compile your software for multiple embedded processors (using arm-none-eabi-gcc) Support multiple toolchains without needing to modify your build files (Clang, GCC, even different versions of GCC) Support multiple operating systems (OS X, Linux, Windows . The cam utility can be used for basic testing.

CC=clang CXX=clang++ meson build-clang ninja -C build-clang ninja -C build-clang clean meson configure build -Dc_args="-Wno-typedef-redefinition" ninja -C build-clang The default compilers depends on your operating system. Finally I've chosen Meson because syntax is really clear to me, when I read meson.build file I can quickly understand what is happening during build process. Given e.g. Description . error('SWR requires LLVM draw support.') endif. meson_clang_config.log This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To configure a build, run the meson tool, passing the path to the directory to be used for the build e.g. The Meson build system is mainly configured with meson.build files. meson_clang_config.log This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. While it's possible to configure Clang with the Mingw-w64 (or MinGW) toolchain, if you decide to use Clang from the LLVM repo, it won't work correctly . With CMake 3.15 it has become possible to use the Clang compiler on Windows with a GNU-style command line. Apart from that, since Conan 1.47, you can inject extra flags thanks to these ones: tools.build:cxxflags list of extra C++ flags that will be used by cpp_args. In your source root must exist a file called 'meson.build'. CC=clang and CXX=clang++. Meson somewhat inconsistently refers to the project . The Meson Build system is used to prepare the sources for compilation with the Ninja backend. Build system Meson is required when building on *nix platforms and on Windows.

The Meson build of Mesa is tested on Linux, macOS, Windows, Cygwin, Haiku, FreeBSD, DragonflyBSD, NetBSD, and should work on OpenBSD. The discussion on the other bug seems to support this: ----- Most of the problem is in systemd's top meson.build file: # the oss-fuzz fuzzers are not built with -fPIE, so don't # enable it when we are linking against them if not fuzzer_build possible_cc_flags += '-fPIE' possible_link_flags += '-pie' endif ----- Thus it would seem that this is . 5. Meson uses its own programming language within the meson.build file; it should look familiar to Python programmers. i.e. Ddub--compiler=ldc2--compiler=C:\app\ldc\bin\ldc2.exe CMakeout-of-sourcebuild . Thanks for your support, Ferruh. The meson.build file defines our executable and I also added some nice features for developing with STM32 Devices.. First we define the project name and default options. To generate the build system run this command: meson . Meson supports most of the popular compilers, a complete list is available here. A single install can output and compile code for every supported target, as long as a complete sysroot is available at build time.

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