https://boringssl-review.googlesource.com/c/boringssl/+/31364 wants to
add a dependency to each target, which is much easier with fewer of
them. Start with decrepit.

Change-Id: Ib3777063d545dfebe3e2b8448eb7e5bbb5c3aaac
Reviewed-on: https://boringssl-review.googlesource.com/31584
Reviewed-by: Adam Langley <agl@google.com>

No one has CLs open there.

Change-Id: I387c1f04cc9ee7bf794bdc390d498e3f80b21091
Reviewed-on: https://boringssl-review.googlesource.com/19484
Reviewed-by: Adam Langley <agl@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>

This makes building OpenLDAP easier.

Change-Id: Id64699f95477fb8fb98957027c97070ebf41f4b1
Reviewed-on: https://boringssl-review.googlesource.com/7407
Reviewed-by: David Benjamin <davidben@google.com>