Ian Lance Taylor <iant@golang.org> writes:

> I have committed a patch to libgo to update it to the Go 1.5 release.
>
> As usual for libgo updates, the actual patch is too large to attach to
> this e-mail message.  I've attached the changes to the gccgo-specific
> files.
>
> Bootstrapped and ran Go testsuite on x86_64-pc-linux-gnu.  Committed
> to mainline.
>
> This may cause trouble on non-GNU/Linux operating systems.  Please let
> me know about any problems you encounter.

It does indeed (first tried on i386-pc-solaris2.10):

* 

/vol/gcc/src/hg/trunk/local/libgo/runtime/go-varargs.c: In function '__go_ioctl':
/vol/gcc/src/hg/trunk/local/libgo/runtime/go-varargs.c:63:10: error: implicit declaration of function 'ioctl' [-Werror=implicit-function-declaration]
   return ioctl (d, request, arg);
          ^

  Needs <unistd.h>, the following patch works: