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1. #Sourcetree checkout archive#
2. #Sourcetree checkout full#
3. #Sourcetree checkout code#
4. #Sourcetree checkout zip#

Popular host toolchains for specific minimum versions in our build systems:Īnything older than these toolchains may work, but will require forcing theīuild system with a special option and is not really a supported host platform.Īlso note that older versions of these compilers have often crashed orįor less widely used host toolchains such as ICC or xlC, be aware that a very To enforce this language version, we check the most LLVM is written using the subset of C++ documented in coding Host C++ toolchain, both compiler and standard library, in order to build LLVM. The C++ language and library reasonably closely. We also attempt to follow improvements and developments in LLVM is very demanding of the host C++ compiler, and as such tends to exposeīugs in the compiler. Host C++ Toolchain, both Compiler and Standard Library ¶

#Sourcetree checkout zip#

#Sourcetree checkout archive#

tar - tape archive for distribution generation.sh - Bourne shell for make build scripts.sed - stream editor for transforming output.rm - remove (delete) files and directories.ranlib - symbol table builder for archive libraries.gunzip - gunzip command for distribution checking.gzip - gzip command for distribution generation.grep - regular expression search utility.find - find files/dirs in a file system.egrep - extended regular expression search utility.bunzip2 - bunzip2 command for distribution checking.bzip2 - bzip2 command for distribution generation.Optional, you can use any other build tool supported by CMake.Īdditionally, your compilation host is expected to have the usual plethora of.Optional, adds compression / uncompression capabilities to selected LLVM.Only needed if you want to run the automated test suite in the.Only the C and C++ languages are needed so there’s no need to build the.

#Sourcetree checkout code#

Should work as well, although the generated native code may not work on your If compilation is successful, the LLVM utilities should be able toĪssemble, disassemble, analyze, and optimize LLVM bitcode. The LLVM suite may compile on other platforms, but it is not guaranteed to do The Release build requires considerably less space. If you are space-constrained, you can build only selected tools or only

Libraries are statically linked into multiple tools). Is so large because of all the debugging information and the fact that the The exact space requirements will vary by system.

#Sourcetree checkout full#

A full build of LLVM and Clang will need aroundġ5-20 GB of disk space. Note that Debug builds require a lot of time and disk space. To use LLVM modules on Win32-based system, you may configure LLVM.Code generation supported for 32-bit ABI only.Code generation supported for Pentium processors and up.Go to Directory Layout to learn about the If you get an “internal compiler error (ICE)” or test failures, seeĬonsult the Getting Started with LLVM section for detailed information onĬonfiguring and compiling LLVM. Option -j NN, where NN is the number of parallel jobs, e.g. That’s done by default in Ninja for make, use the LLVM sub-projects generate their own check- target. CMake will generate build targets for each tool and library, and most.Regression tests to ensure everything is in working order. (default is Yes for Debug builds, No for all other build types).Ĭmake -build. DLLVM_ENABLE_ASSERTIONS=On - Compile with assertion checks enabled The default value is Debug which fits people who want DCMAKE_BUILD_TYPE=type - Controls optimization level and debug information Pathname of where you want the LLVM tools and libraries to be installed DCMAKE_INSTALL_PREFIX=directory - Specify for directory the full DLLVM_ENABLE_PROJECTS="clang" -DLLVM_ENABLE_RUNTIMES="libcxx libcxxabi". Can include any of: clang,Ĭlang-tools-extra, lldb, compiler-rt, lld, polly, or cross-project-tests.įor example, to build LLVM, Clang, libcxx, and libcxxabi, use Subprojects you’d like to additionally build. DLLVM_ENABLE_PROJECTS='.' - semicolon-separated list of the LLVM Visual Studio - for generating Visual Studio projects and.Unix Makefiles - for generating make-compatible parallel makefiles.To save storage and speed-up the checkout time, you may want to do aįor example, to get the latest revision of the LLVM project, useĬmake -G -DCMAKE_BUILD_TYPE=.Or, on windows, git clone -config tocrlf=false.This is an example workflow and configuration to get and build the LLVM source:Ĭheckout LLVM (including related subprojects like Clang): The LLVM Getting Started documentation may be out of date. Getting the Source Code and Building LLVM ¶