The special handling caused a significant diff between builds with and
without LD, which made ccache less effective as we only store the cache
once for the build without LD.
However, despite this change, while it previously was the case that the
LD vs. non-LD builds didn't differ much, that's not the case anymore
nowadays. In particular the --disable-asan option and the BFD-based
backtraces for the native OpenSSL builds (e.g. default or openssl-sys)
cause quite a significant diff. As cache storage is limited, we keep
the current behavior for now. But it might be an option to reduce or
even remove the LD builds in the future as ASAN seems do the job pretty
well and we still use LD in the testing environment.
Tobias Brunner
afe51f19e7