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From: Jan Beich <jbeich@FreeBSD.org>
To: Gunther Nikl <gnikl@justmail.de>
Cc: freebsd-x11@freebsd.org
Subject: Re: mesa: LLVM_DEFAULT usage
References: <20191201175632.00000bf9@justmail.de>
Date: Sun, 01 Dec 2019 19:12:57 +0100
In-Reply-To: <20191201175632.00000bf9@justmail.de> (Gunther Nikl's message of
 "Sun, 1 Dec 2019 17:56:32 +0100")
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Gunther Nikl <gnikl@justmail.de> writes:

> While testing the phabricator differential for mesa-dri/mesa-libs (D19100),
> I noticed that I don't understand it's dependency on LLVM. I assumed that
> the referenced LLVM version is required to build the ports, but the build
> used cc from base unless I added explicitly set CC and CXX as done in the
> PPC block. Only llvm-config from the referenced port is used. Is this
> intentional?
> I am using 11.3-RELEASE AMD64.

See https://wiki.freebsd.org/WhyDoIHaveToBuildLLVMWhenIAlreadyHaveClangInstalled

$ fgrep -rl libLLVM /usr/local/lib/dri                                                                    ~
/usr/local/lib/dri/vmwgfx_dri.so
/usr/local/lib/dri/r600_dri.so
/usr/local/lib/dri/radeonsi_drv_video.so
/usr/local/lib/dri/swrast_dri.so
/usr/local/lib/dri/radeonsi_dri.so
/usr/local/lib/dri/r300_dri.so
/usr/local/lib/dri/r600_drv_video.so
/usr/local/lib/dri/kms_swrast_dri.so

New Intel driver called "iris" uses libLLVM, too.