How to compile and install Clang on Linux CentOS
This article introduces the knowledge of "how to compile and install Clang on Linux CentOS". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!
I. Environmental preparation before installing Clang in Minimal version of CentOS
1, install gcc:yum install gcc
2, install g++:yum install gcc-c++
3. Install cmake with source code:
The reason for using source code installation is that the default installation version of yum is too low, while Clang requires the version of cmake.
Source code download address: https://cmake.org/download/
Unzip it and execute it in the cmake directory in turn.
1). / bootstrap
2) gmake
3) make install
4) cmake-version
4Perl installation: yum install perl
Because the pod2html command is required during the installation of the Clang script, perl needs to be installed.
II. Clang installation (version 3.6.0)
1. Download the source code at http://llvm.org/releases/download.html
The main downloads are as follows:
2. Extract the four files after the download is completed.
1) rename clang-tools-extra-3.6.0.src.tar.xz to extra after decompression
2) rename cfe-3.6.0.src.tar.xz to clang after decompression
3) rename llvm-3.6.0.src.tar.xz to llvm after decompression
4) after decompression, compiler-rt-3.6.0.src.tar.xz is named compiler-rt.
Store the four files in the following directory structure:
That is, put compiler-rt under the projects directory under the llvm directory. And so on.
3Quinting Clang installation
1)
. / configure-- enable-optimized-- enable-targets=host-only-- prefix=/home/YouPathToInstall/ll
2) make
3) make install
4) clang-version
Note: Clang has version requirements for gcc,g++,cmake, etc., try not to install the version too low.
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