Gar error when compiling on illumos

[Toasterson]

Looks like on some less tested platforms there are compile errors

I get this on illumos when trying to compile something that uses reqwest and rustls

   Compiling ring v0.17.8
error: failed to run custom build command for `ring v0.17.8`

Caused by:
  process didn't exit successfully: `/vagrant/target/debug/build/ring-67c168eb7a23f445/build-script-build` (exit status: 1)
  --- stdout
  cargo:rerun-if-env-changed=RING_PREGENERATE_ASM
  cargo:rustc-env=RING_CORE_PREFIX=ring_core_0_17_8_
  OPT_LEVEL = Some(0)
  TARGET = Some(x86_64-unknown-illumos)
  OUT_DIR = Some(/vagrant/target/debug/build/ring-c3d2cc71a955efa0/out)
  HOST = Some(x86_64-unknown-illumos)
  cargo:rerun-if-env-changed=CC_x86_64-unknown-illumos
  CC_x86_64-unknown-illumos = None
  cargo:rerun-if-env-changed=CC_x86_64_unknown_illumos
  CC_x86_64_unknown_illumos = None
  cargo:rerun-if-env-changed=HOST_CC
  HOST_CC = None
  cargo:rerun-if-env-changed=CC
  CC = None
  cargo:rerun-if-env-changed=CC_ENABLE_DEBUG_OUTPUT
  RUSTC_WRAPPER = None
  cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS
  CRATE_CC_NO_DEFAULTS = None
  DEBUG = Some(true)
  CARGO_CFG_TARGET_FEATURE = Some(fxsr,sse,sse2)
  cargo:rerun-if-env-changed=CFLAGS_x86_64-unknown-illumos
  CFLAGS_x86_64-unknown-illumos = None
  cargo:rerun-if-env-changed=CFLAGS_x86_64_unknown_illumos
  CFLAGS_x86_64_unknown_illumos = None
  cargo:rerun-if-env-changed=HOST_CFLAGS
  HOST_CFLAGS = None
  cargo:rerun-if-env-changed=CFLAGS
  CFLAGS = None

  --- stderr


  error occurred: Command "gar" "s" "/vagrant/target/debug/build/ring-c3d2cc71a955efa0/out/libring_core_0_17_8_.a" with args gar did not execute successfully (status code exit status: 1).