aarch64 rust install fails

[Ronald Georgia <netverbs%gmail.com@localhost>]

All,
I am trying to install Rust on my Pinebook pro. Using pkgsrc 2019_Q2.
Here is the error message.

error: process didn't exit successfully:
`/usr/pkgsrc/lang/rust/work.aarch64/rust-bootstrap/bin/rustc -vV`
(exit code: 1)
--- stdout
rustc 1.35.0
binary: rustc
commit-hash: unknown
commit-date: unknown
host: aarch64-unknown-netbsd
release: 1.35.0

--- stderr
error: couldn't load codegen backend
"/usr/pkgsrc/lang/rust/work.aarch64/rust-bootstrap/lib/rustlib/aarch64-unknown-netbsd/codegen-backends/librustc_codegen_llvm-llvm.so":
"/usr/pkgsrc/lang/rust/work.aarch64/rust-bootstrap/lib/rustlib/aarch64-unknown-netbsd/codegen-backends/librustc_codegen_llvm-llvm.so:
Shared object \"libstdc++.so.8\" not found"


Traceback (most recent call last):
  File "./x.py", line 11, in <module>
    bootstrap.main()
  File "/usr/pkgsrc/lang/rust/work.aarch64/rustc-1.35.0-src/src/bootstrap/bootstrap.py",
line 849, in main
    bootstrap(help_triggered)
  File "/usr/pkgsrc/lang/rust/work.aarch64/rustc-1.35.0-src/src/bootstrap/bootstrap.py",
line 820, in bootstrap
    build.build_bootstrap()
  File "/usr/pkgsrc/lang/rust/work.aarch64/rustc-1.35.0-src/src/bootstrap/bootstrap.py",
line 656, in build_bootstrap
    run(args, env=env, verbose=self.verbose)
  File "/usr/pkgsrc/lang/rust/work.aarch64/rustc-1.35.0-src/src/bootstrap/bootstrap.py",
line 141, in run
    raise RuntimeError(err)
RuntimeError: failed to run:
/usr/pkgsrc/lang/rust/work.aarch64/rust-bootstrap/bin/cargo build
--manifest-path
/usr/pkgsrc/lang/rust/work.aarch64/rustc-1.35.0-src/src/bootstrap/Cargo.toml
--frozen
*** Error code 1

Stop.
make[1]: stopped in /usr/pkgsrc/lang/rust
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/lang/rust

-- 
Ron Georgia
“90% of my problems are due to ignorance, the other 10% is because I
just don’t know any better.”