dev-lang/perl: Fix clang check in configure

The check was a bit too strict. `clang` actually appears in the middle
of the version string.

I have pushed a fix to the upstream peal repo.

BUG=b:283275881
TEST=BOARD=amd64-generic bazel build --config=prebuilts/stage2 @portage//internal/packages/stage2/host/portage-stable/dev-lang/perl:5.36.0-r4

See: https://github.com/Perl/perl5/issues/21099
Change-Id: I4655d45408c7a0d3aef85496a51ef29e7fea6a89
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/4670293
Tested-by: Raul Rangel <rrangel@chromium.org>
Commit-Queue: Shuhei Takahashi <nya@chromium.org>
Auto-Submit: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Shuhei Takahashi <nya@chromium.org>
2 files changed