Rename boringssl symbols to avoid name collision with OpenSSL

[aliclark]

Hi,

Thanks for sharing libquic :)

Would you be interested in a change to rename BoringSSL's symbols to not collide with OpenSSL?

The following statement provides some justification, since at current programs using libquic would be forced to switch from OpenSSL to BoringSSL, which probably isn't desired.

"Although BoringSSL is an open source project, it is not intended for general use, as OpenSSL is. We don't recommend that third parties depend upon it."
https://boringssl.googlesource.com/boringssl/

A few things that could be improved:

• Use git mv on include/openssl instead of mv
• Better naming/location of files
• The rename of the include directory isn't strictly necessary for building libquic, and is more of a failsafe in-case anyone put the include dir on a global search path. Should probably undo that one.

Thanks,
Ali

[aliclark]

Also, please note I haven't fixed up all .pl files, just those that seemed relevant to my use-case, so a bit of extra work may be needed to finish those. My platform is x86-64 - it's possible other platforms still need extra work.

It probably makes sense to write another program to verify that all global symbols have in fact been renamed.