error: possibly undefined macro: AC_CHECK_FILE in doc/xorg-docs

Michel Dänzer michel at
Thu Aug 29 16:33:57 UTC 2019

On 2019-08-29 4:25 a.m., Dennis Clarke wrote:
> On 8/28/19 6:10 PM, Alan Coopersmith wrote:
>> On 8/28/19 3:02 PM, Dennis Clarke wrote:
>>> Found llvm-config '7.0.1' NO (needed >= 8.0.0 )
>> I've not tried building Mesa with meson yet, but that reads like it
>> only found
>> version 7 of LLVM, but needs at least version 8.  (Since Mesa
>> implements LLVM
>> based compilers to build code to run on the various GPUs it supports,
>> it's
>> very closely tied to the version of LLVM needed to build with.)
> Wow, that is a big problem.  There is no LLVM 8 in Debian Stable
> release.  I would hate to have to build that from source and then deal
> with Xorg also.  However maybe that is the only way.

llvm-8-dev is available in buster-backports.

Also, Mesa only requires very recent LLVM in some configurations, in
particular if the radeonsi driver is enabled. If you don't need that
driver, you can try disabling it.

Earthling Michel Dänzer               |     
Libre software enthusiast             |             Mesa and X developer

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