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If you want to build LLVM as a shared library, you should use the For instance use lld withД«UILD_SHARED_LIBS is only recommended for use by LLVM developers. LLVM_USE_LINKER:STRING Override the systemвЂ™s default linker. Your native target with, for example, -DLLVM_TARGETS_TO_BUILD=X86. LLVM_TARGETS_TO_BUILD:STRING Control which targets are enabled. Into swap, permit only one link job per 15GB of RAM available on aДЈ2GB machine, specify -G Ninja -DLLVM_PARALLEL_LINK_JOBS=2. These options, when you use the Ninja generator, allow you CMAKE_JOBS:STRING Building the llvm toolchain can use a lot of resources, particularly CMAKE_INSTALL_PREFIX:PATH Path where LLVM will be installed when the вЂњinstallвЂќ target is built. If you are using an IDE such as Visual Studio or Xcode, you should use To override the default from CMAKE_BUILD_TYPE. You can manually set LLVM_ENABLE_ASSERTIONS They typically slowДown LLVM and Clang when enabled, but can be useful during development. Assertions are internal checks to help you find bugs.You can improve RAM usage by using lld, see Builds with debug information can use a lot of RAM and disk space and is.Optimizations make LLVM/Clang run faster, but can be an impediment for.The default CMAKE_BUILD_TYPE is set to Debug but you shouldД¬arefully read the list below to figure out what configuration matches This configures the optimization level for make or ninja builds. Used variables that control features of LLVM and enabled subprojects. Used LLVM-related Variables below for information about commonly

Or execute cmake -help-variable VARIABLE_NAME.

CMAKE OPTION FULL

For full documentation, consult the CMake manual, Here are some of the CMake variables that are used often, along with aД«rief explanation.

You mayДЄlso wish to control which targets LLVM enables, or which LLVMД¬omponents are built see the Frequently Used LLVM-relatedДЄfter CMake has finished running, proceed to use IDE project files, or start Tool for instructions, see the Usage section, below. To build MinGW makefiles if you have a POSIX shell reachable through the PATHД®nvironment variable, for instance. Itself is the correct one for your development environment. You intend to use is the only one reachable from the shell, and that the shell In this case, make sure that the toolset that This can fail if CMake canвЂ™t detect your toolset, or if it thinks that theД®nvironment is not sane enough. See the Options and variables section forДЄ list of build parameters that you can modify. CMake will use default valuesДЇor all build parameters. Generate the files required for building LLVM.

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CMake will detect your development environment, perform a series of tests, and

Cmake option