[Pre-RFC] target-glibc: Proposal to add native support for GLIBC versions for the -gnu targets

chrisd:

I'm not finding the proposal easy to read but it would be useful to enumerate how this relates to previous proposals in this area rather than starting from scratch. E.g. cfg(version_since(...)) and other such RFCs.

Could you point to the RFC with cfg(version_since(...))? I looked through the RFC and found several related, but no one mentioned version_since. Was that 2523?

Relevant RFCs:

• 3716-target-modifiers - The Rust RFC Book
• 3855-mitigation-enforcement - The Rust RFC Book
• 1721-crt-static - The Rust RFC Book
• 3873-build-std-context - The Rust RFC Book
• 3874-build-std-always - The Rust RFC Book
• 3875-build-std-explicit-dependencies - The Rust RFC Book
• 2523-cfg-path-version - The Rust RFC Book

I will review those more thoroughly and update my RFC