Debian Is Still Being Made To Build With LLVM/Clang
Written by Michael Larabel in Debian on 10 February 2013 at 01:39 PM EST. 6 Comments
Debian developers are still working on making the operating system compiler agnostic so that its packages can be built with LLVM/Clang and other compilers rather than continuing in a monogamist relationship with GCC.

In March of last year is when I first wrote about LLVM/Clang being toyed with for Debian. Nearly one year ago it was found that LLVM's C/C++ compiler was actually building much of the Debian archive while providing better compiler warnings/errors than GCC. The results were more positive than originally anticipated with less than 10% of the packages having problems being built with the alternative open-source compiler.

The Debian developers working on Clang support aren't doing so because they want to deprecate GCC but rather they want to provide their users with greater options and Clang does have some rather nice error/warnings (although GCC's reporting has improved recently too), static analysis tools, and other features to benefit developers. Pushing the packages through multiple compilers also generally ensures better code quality too.

In July was another LLVM/Clang update for Debian. It was reiterated the Clang work wasn't to wage some GPL vs. BSD war in the Debian camp but for technical reasons. With the code at that time, just over 10% of the Debian archive was having problems being built under the latest LLVM/Clang over GCC.

At FOSDEM 2013 last weekend was another presentation by Sylvestre Ledru on building Debian with LLVM/Clang. Embedded below is the WebM video of this presentation. For those just wanting build results and other technical details, visit clang.debian.net.

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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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