On Fri, Jul 13, 2012 at 2:44 AM, David Brown <[email protected]> wrote: > > On x86_64 Arch Linux, I get the error log below. Interestingly, if I > just type make again, it builds what appears to be a perfectly > functional rustc.
Arch Linux uses GCC 4.7.* currently which fails with Rust's version of LLVM on x86_64 (x86 works fine) for some reason, I mentioned this on #2641<https://github.com/mozilla/rust/issues/2641>. I too got it to work on my x86_64 Arch Linux VPS by building again after the dump came up. It's probably the same as the issue on the latest MinGW. >From what I could find from the issue described on the LLVM bug tracker<http://llvm.org/bugs/show_bug.cgi?id=11926>and the Redhat bug tracker <https://bugzilla.redhat.com/show_bug.cgi?id=791365>, adding `-fno-tree-pre` to the GCC commands allows it to be built and this issue is supposedly fixed in the latest LLVM. But apparently Rust's LLVM is already merged with 3.1, so I have no clue why it still fails (those issues could be different to the issue compiling Rust).
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