Ensuring that all dirs in LDFLAGS exist is only needed for Ruby due to its `configure` requirements. If some LDFLAGS entries point to a nonexisting path to which the user doesn't have permission. this causes a build failure.
https://www.openssl.org/source/openssl-1.0.2* => https://www.openssl.org/source/old/1.0.2/openssl-1.0.2* https://www.openssl.org/source/openssl-1.1.0* => https://www.openssl.org/source/old/1.1.0/openssl-1.1.0* Co-authored-by: Sean Gies <seangies@apple.com>