[test] Add test for cross compiling on Linux
[test] Delete obsoleted debian_multiarch_tree and ubuntu_13.04_multiarch_treeThey are quite outdated. Delete them to avoid unnecessary test churn.
Add support for PPC and PPC64 multiarch toolchains on Debain.Patch from Michel Dänzer, sent our way via Jeremy Huddleston who added64-bit support. I just added one other place where powerpc64-linu
Add support for PPC and PPC64 multiarch toolchains on Debain.Patch from Michel Dänzer, sent our way via Jeremy Huddleston who added64-bit support. I just added one other place where powerpc64-linux-gnuwas missing (we only had powerpc64-unknown-linux-gnu).I've also added a tree to test out the debian multiarch stuff. I don'tuse debian regularly, so I'm not certain this is entirely accurate. Ifanyone wants to check it against a debian system and fix anyinaccuracies, fire away. This way at least folks can see how this is*supposed* to be tested.It'd be particularly good to get the Debian MIPS toolchains tested inthis way.llvm-svn: 151482
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