illumos gate

Build errors on SPARC with gcc 10:

    ld: fatal: symbol 'memlistpage' is multiply-defined:
            (file sun4x_standalloc.o type=OBJT; file /code/illumos-gate/proto/root_sparc/stand/lib/libsa.a(standalloc.o) type=OBJT);
    ld: fatal: file processing errors. No output written to inetboot

    ld: fatal: symbol 'rpc_createerr' is multiply-defined:
            (file /code/illumos-gate/proto/root_sparc/stand/lib/libnfs.a(clnt_budp.o) type=OBJT; file /code/illumos-gate/proto/root_sparc/stand/lib/libnfs.a(clnt_btcp.o) type=OBJT);
    ld: fatal: file processing errors. No output written to inetboot

    ld: fatal: symbol 'mfg_name' is multiply-defined:
            (file boot_plat.o type=OBJT; file bootprop.o type=OBJT);
    ld: fatal: symbol 'cache_state' is multiply-defined:
            (file boot_plat.o type=OBJT; file bootprop.o type=OBJT);
    ld: fatal: symbol 'module_path' is multiply-defined:
            (file readfile.o type=OBJT; file bootprop.o type=OBJT);
    ld: fatal: file processing errors. No output written to inetboot

Testing done: build/install/boot

network boot image itself is a bit broken, but inetboot part is ok:

{0} ok boot net
Boot device: /virtual-devices@100/channel-devices@200/network@0  File and args: 
Requesting Internet Address for 0:14:4f:f9:f3:b6
ramdisk-root hsfs-file-system 
Loading: /platform/sun4v/kernel/sparcv9/unix
WARNING: unrecognized token: pause
WARNING: unrecognized token: cbcond
WARNING: unrecognized token: aes
WARNING: unrecognized token: des
WARNING: unrecognized token: kasumi
WARNING: unrecognized token: camellia
WARNING: unrecognized token: md5
WARNING: unrecognized token: sha1
WARNING: unrecognized token: sha256
WARNING: unrecognized token: sha512
WARNING: unrecognized token: mpmul
WARNING: unrecognized token: mont
WARNING: unrecognized token: crc32c
WARNING: cannot open system file: /etc/system
SunOS Release 5.11 Version build2-0-g1eb5f5bc2c 64-bit
Copyright (c) 1983, 2010, Oracle and/or its affiliates. All rights reserved.

panic[cpu0]/thread=180e000: read_binding_file: /etc/name_to_major file not found