On 20 Jun 2021, at 22:53, Hartmann, O. <[email protected]> wrote: > > On Sun, 20 Jun 2021 21:56:40 +0200 > Dimitry Andric <[email protected]> wrote: > >> On 20 Jun 2021, at 15:58, Hartmann, O. <[email protected]> wrote: >>> >>> On Sat, 19 Jun 2021 18:11:04 GMT >>> Dimitry Andric <[email protected]> wrote: >>> >>>> The branch main has been updated by dim: >>>> >>>> URL: >>>> https://cgit.FreeBSD.org/src/commit/?id=23408297fbf3089f0388a8873b02fa75ab3f5bb9 >>>> >>>> commit 23408297fbf3089f0388a8873b02fa75ab3f5bb9 >>>> Merge: cac129e60300 e4bbddaec868 >>>> Author: Dimitry Andric <[email protected]> >>>> AuthorDate: 2021-06-19 10:06:00 +0000 >>>> Commit: Dimitry Andric <[email protected]> >>>> CommitDate: 2021-06-19 18:09:28 +0000 >>>> >>>> Merge llvm-project 12.0.1 rc2 >>>> >>>> This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and >>>> openmp to llvmorg-12.0.1-rc2-0-ge7dac564cd0e, a.k.a. 12.0.1 rc2. >> ... >>> running FreeBSD 14.0-CURRENT #13 main-n247423-7bd295750b1: Fri Jun 18 >>> 17:32:58 CEST >>> 2021 amd64, buildworld fails with the error >>> >>> /usr/src/contrib/llvm-project/clang/lib/Basic/SourceManager.cpp:1256:10: >>> fatal error: >>> 'emmintrin.h' file not found >>> >>> How can I fix this? >> >> I have never been able to figure out why some people encounter this, >> except that they seem to have manually deleted files from their base >> system, thereby effectively destroying their toolchain. > > I think in my case it is very simple - first of all: thanks for the > explanation, the > folder "/usr/lib/clang/" is empty and that is the result of "make delete-old". > > The running system as shown above has llvm 12.0.0 and I forgot to run "make > delete-old" > days ago when FreeBSD 14-CURRENT moved towards 12.0.0. Obviously, there was > anlther move > towards 12.0.1 today or yesterday, I pulled the sources and did a rebuild of > the whole > system - and issued then make delete-old. That renders the system unusabel.
Ah yes, at least it is now clear that was the problem. Always run "make delete-old" *after* installworld, etcupdate and so on, as the very last step. Or even better, run "make check-old" and use the list of files and directories it outputs, so you can optionally make a backup of those first. I can remember instances of ports not starting up anymore, because they were still linked to some old system library that had been cleaned up... -Dimitry
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