On 02 Jan 2014, at 01:11, Dimitry Andric <d...@freebsd.org> wrote: > On 01 Jan 2014, at 23:37, Warner Losh <i...@bsdimp.com> wrote: >> I'd add to the list the upgrade path (from 9.x, 10.x and current) as well, >> just to make sure they all still work... If there are problems with the 9.x >> upgrade path, we'll need to call them out since 10.0 hasn't been released >> yet and there's still a lot of 9.x boxes in the wild... > > Ah yes, I already found one issue when building head on 9-STABLE: > > In file included from contrib/llvm/lib/Support/Signals.cpp:30: > contrib/llvm/lib/Support/Unix/Signals.inc:22:11: fatal error: 'execinfo.h' > file not found > # include <execinfo.h> // For backtrace(). > ^ > > This is of course a detection from autoconf which finds execinfo.h on > -current. So I will need to make that __FreeBSD_version dependent.
I have fixed this particular problem, new patch is here: http://www.andric.com/freebsd/clang/head-r260112-clang34-2.diff.xz SHA256 (head-r260112-clang34-2.diff.xz) = 4c602b42e890f82cbf5f7ee4aecb91a77ce3dcaacc01c210953e1cdd29d1ac21 This will only use execinfo.h and backtrace() for the world stage of the build, when the libraries that supply them have already been built. With this diff, I have successfully built head on 9.2-STABLE with gcc as the base compiler. I will also test it on 10.0-RC4, but I foresee no problems there. -Dimitry
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