[Mesa-dev] configure fails to find llvm since recent llvm commit.

[Laurent Carlier]

Le lundi 3 juillet 2017, 13:53:12 CEST Andy Furniss a écrit :
> Don't know if mesa needs changing or it's an llvm needs fixing issue,
> but since llvm commit
> 
> commit 78fbc18aed8024139cb87c5db69ab5b43dc615d6
> Author: Rafael Espindola <rafael.espindola at gmail.com>
> Date:   Fri Jun 30 18:48:33 2017 +0000
> 
>      Completely disable git/svn version checking if not needed.
> 
>      Working with git on a branch I find it really annoying that committing
>      a change causes ninja to think that stuff needs to be rebuilt.
> 
>      With this change at least nothing in llvm needs to be rebuild when
>      something is committed.
> 
>      git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@306858
> 91177308-0d34-0410-b5e6-96231b3b80d8
> 
> configuring mesa bails after failing to find llvm shared libs (and gives
> outdated suggestion). Shared libs are installed.
> 
> checking for AMDGPU... yes
> configure: error: Could not find llvm shared libraries:
>          Please make sure you have built llvm with the --enable-shared
> option
>          and that your llvm libraries are installed in /usr/lib
>          If you have installed your llvm libraries to a different
> directory you
>          can use the --with-llvm-prefix= configure flag to specify this
> directory.
>          NOTE: Mesa is attempting to use llvm shared libraries by default.
>          If you do not want to build with llvm shared libraries and
> instead want to
>          use llvm static libraries then add --disable-llvm-shared-libs
> to your configure
>          invocation and rebuild.
> _______________________________________________

It's a llvm change, you need to add -DLLVM_APPEND_VC_REV=OFF when you build 
llvm, It should fix the issue.

-- 
Laurent Carlier
http://www.archlinux.org
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