On 1/17/19 12:17 AM, Mahmoud Al-Qudsi wrote:
Hello list,
Another complaint about `llvm60` here - I was hoping that the situation would be
ameliorated before the release of FreeBSD 12, but alas that is not the case.
From what I understand, `mesa-dri` doesn't build out-of-the-box with `llvm70`.
Cool. But that makes `llvm60` a build dependency for `mesa-dri` - the binary
package should not require installing 813 MiB's worth of compilers,
documentation, etc. just to run something built with that toolchain.
Surely the runtime components of `llvm60` sufficient to use libraries built with
that toolchain can be split off into their own package? Even better, perhaps
`mesa-dri` can be statically compiled? (I know it has C++ components, but I'm
not sure if they ever cross the API barrier -- I haven't looked into it though,
so it's just wild speculation on my part.)
(I do see that there exists a patch for getting `mesa-dri` to build with
`llvm70` hopefully making this conversation somewhat moot, but I still strongly
object to the principle of adding such massive dependencies for common
packages.)
This has been discussed several times in the past. Mesa uses libraries
and components of llvm that are not in base, hence the dependency on the
ports version of llvm. This also untangles some of the issues with llvm
library usage, since we only have to support one version of llvm usage
in mesa, regardless of FreeBSD version.
Since mesa uses llvm libraries (not just toolchain to build) this can
not be made in to a build time only dependency.
There is some more information on this issue here:
https://wiki.freebsd.org/WhyDoIHaveToBuildLLVMWhenIAlreadyHaveClangInstalled
There is work in progress to move to llvm70, however, this only means
that you need llvm70 installed alongside mesa-dri, instead of llvm60.
Regards!
--
Niclas
FreeBSD Graphics Team
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