[ 13:27 dumbbell  ]

• 435537 lang/rust-nightly/pkg-plist.amd64
• 435537 lang/rust-nightly/pkg-plist.i386
• 435537 lang/rust/Makefile
• 435537 lang/rust/pkg-plist.amd64
• 435537 lang/rust/pkg-plist.i386

lang/rust, lang/rust-nightly: Generate PLIST in post-install

Several libraries have their filename computed and based on the absolute
path to source files. Therefore, we need to generate the PLIST. Rust
installer already produces manifests listing files it installs. The port
now uses those files to complete `${TMPPLIST}`.

While the port built fine in Poudriere, it failed when built directly on
the host (regular make or with portmaster(1)) or using a different tool
such as Synth. This commit fixes the build for those methods.

Handling of DOCS-specific files is also unified with normal files. This
gets rid of code duplication.

How to do reproducible builds will be studied later.

PR:		217309
Reported by:	Several people on freebsd-ports@ or Bugzilla
Tested by:	Almost everyone who reported the issue
Approved by:	antoine (mentor), riggs (maintainer of lang/rust)
Differential Revision:	https://reviews.freebsd.org/D9816

[ 19:04 dumbbell  ]

• 434631 lang/rust-nightly/Makefile
• 434631 lang/rust-nightly/distinfo
• 434631 lang/rust-nightly/files/patch-mk_main.mk
• 434631 lang/rust-nightly/files/patch-mk_rt.mk
• 434631 lang/rust-nightly/files/patch-src_etc_get-stage0.py
• 434631 lang/rust-nightly/files/patch-src_librustc__llvm_build.rs
• 434631 lang/rust-nightly/pkg-plist
• 434631 lang/rust-nightly/pkg-plist.amd64
• 434631 lang/rust-nightly/pkg-plist.i386
• 434631 lang/rust/Makefile

lang/rust, lang/rust-nightly: Update to 1.15.1 and 1.17.0 respectively

Both versions of Rust seen changes to their build system. Now they
require a bootstrap of Cargo and thus, a snapshot of Cargo's registry.

Each library has its own suffix instead of a common suffix for a given
version of Rust. Thus all future updates of the ports will include
changes to their plist.

$DISTFILES are now all under the `rust` directory in `$DISTDIR`. A
similar change will be committed to devel/cargo later.

lang/rust-nightly is enabled on i386 (bugzilla 216143). The source
snapshot also contains everything to build it on aarch64, but enabling
it will be committed later.

PR:		216143
Approved by:	riggs, bapt (mentor), antoine (mentor)
Differential Revision:	https://reviews.freebsd.org/D9286