[ITA] llvm

[Jeremy Drake]

I don't know much about the finer points of cygports, but I'll comment on
a couple of things

On Sat, 10 May 2025, ASSI via Cygwin-apps wrote:

> The packaging does not succeed if the build runs in a case-insensitive
> filesystem due to parallel usr/share/doc/{LLVM,llvm} directories.

That sucks, and should really be fixed to only have one case of that
directory.

> Bootstrapping llvm worked, but the tests can not be run due to missing
> googletest.

Huh.  The gtest stuff is vendored in the third-party tar, and is built and
installed as libllvm-gtest*.a.  I didn't personally try to run the tests
for llvm itself, but the tests for clang and lld (in playground repo lld
branch) ran fine.  I don't know if any of the subsequent shuffling of test
options since my last commit changed anything there though, I haven't
tried since my last commit.