Commits on Nov 12, 2021

1. cargo-apk: Work around missing libgcc on NDK r23 with linker script …

   Rust still searches for libgcc even though [85806] replaces internal use
   with libunwind, especially now that the Android NDK (since r23-beta3)
   doesn't ship with any of gcc anymore.  The apparent solution is to build
   your application with nightly and compile std locally (`-Zbuild-std`),
   but that is not desired for the majority of users.  [7339] suggests to
   provide a local `libgcc.a` as linker script, which simply redirects
   linking to `libunwind` instead - and that has proven to work fine so
   far.
   
   Intead of shipping this file with the crate or writing it to an existing
   link-search directory on the system, we write it to a new directory that
   can be easily passed or removed to `rustc`, say in the event that a user
   switches to an older NDK and builds without cleaning.  For this we need
   to switch from `cargo build` to `cargo rustc`, but the existing
   arguments and desired workflow remain identical.
   
   [85806]: rust-lang/rust#85806
   [7339]: termux/termux-packages#7339 (comment)

   

   MarijnS95 committed Nov 12, 2021
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