       "x86_64-unknown-linux-gnu" -> {:unix, :linux}
       "x86_64-unknown-linux-gnux32" -> {:unix, :linux}
       "x86_64-unknown-linux-musl" -> {:unix, :linux}
-      "x86_64-unknown-netbsd" -> {:unix, :bsd}
+      "x86_64-unknown-netbsd" -> {:unix, :netbsd}
       "x86_64-unknown-none-hermitkernel" -> {:unix, :linux}
       "x86_64-unknown-none-linuxkernel" -> {:unix, :linux}
-      "x86_64-unknown-openbsd" -> {:unix, :linux}
+      "x86_64-unknown-openbsd" -> {:unix, :openbsd}
       "x86_64-unknown-redox" -> {:unix, :linux}
       "x86_64-unknown-uefi" -> {:unix, :linux}
       "x86_64-uwp-windows-gnu" -> {:win32, :nt}

      "x86_64-pc-windows-msvc" -> {:win32, :nt}
      "x86_64-sun-solaris" -> {:unix, :sunos}
      "x86_64-unknown-dragonfly" -> {:unix, :linux}
      "x86_64-unknown-freebsd" -> {:unix, :bsd}
      "x86_64-unknown-haiku" -> {:unix, :linux}
      "x86_64-unknown-hermit" -> {:unix, :linux}
      "x86_64-unknown-illumos" -> {:unix, :linux}

      "mipsisa64r6el-unknown-linux-gnuabi64" -> {:unix, :linux}
      "msp430-none-elf" -> {:unix, :linux}
      "nvptx64-nvidia-cuda" -> {:unix, :linux}
      "powerpc-unknown-freebsd" -> {:unix, :freebsd}
      "powerpc-unknown-linux-gnu" -> {:unix, :linux}
      "powerpc-unknown-linux-gnuspe" -> {:unix, :linux}
      "powerpc-unknown-linux-musl" -> {:unix, :linux}
      "powerpc-unknown-netbsd" -> {:unix, :netbsd}
      "powerpc-unknown-openbsd" -> {:unix, :openbsd}
      "powerpc-wrs-vxworks" -> {:unix, :linux}
      "powerpc-wrs-vxworks-spe" -> {:unix, :linux}
      "powerpc64-unknown-freebsd" -> {:unix, :freebsd}
      "powerpc64-unknown-linux-gnu" -> {:unix, :linux}
      "powerpc64-unknown-linux-musl" -> {:unix, :linux}
      "powerpc64-wrs-vxworks" -> {:unix, :linux}
      "powerpc64le-unknown-freebsd" -> {:unix, :freebsd}
      "powerpc64le-unknown-linux-gnu" -> {:unix, :linux}
      "powerpc64le-unknown-linux-musl" -> {:unix, :linux}
      "riscv32gc-unknown-linux-gnu" -> {:unix, :linux}
