This article will describe installing LLVM/Clang.
Table of Contents
1 Build and install LLVM/Clang
CentOS 6's GCC version is 4.4.7 and it cannot build LLVM 3.0 later. This article will use llvm-2.9-4.fc16.src.rpm in Fedora 16 which provides LLVM/Clang.
Download Fedora 16's src.rpm.
$ FEDORA=http://archives.fedoraproject.org/pub/archive/fedora $ SRPMS=${FEDORA}/linux/releases/16/Everything/source/SRPMS $ wget -q ${SRPMS}/llvm-2.9-4.fc16.src.rpm
Install package for building src.rpm
$ sudo yum install -y yum-utils rpm-build rpmdevtools
Install package dependencies of llvm-2.9-4.fc16.src.rpm.
$ rpm -i llvm-2.9-4.fc16.src.rpm $ sudo yum-builddep -y rpmbuild/SPECS/llvm.spec
Build llvm-2.9-4.fc16.src.rpm and install LLVM/Clang.
$ rpmbuild --rebuild llvm-2.9-4.fc16.src.rpm $ sudo yum localinstall -y ~/rpmbuild/RPMS/x86_64/llvm-* \ ~/rpmbuild/RPMS/x86_64/clang-* $ rm -rf llvm-2.9-4.fc16.src.rpm ~/rpmbuild
2 Execution result
LLVM/Clang works as below. You can install tools which uses Clang/LLVM like clang-complete.
$ llvm-config --version 2.9 $ clang --version clang version 2.9 (tags/RELEASE_29/final) Target: x86_64-redhat-linux-gnu Thread model: posix