bug#17661: Some guile-2.0 asyncs functions do not link correctly

[Mark H Weaver]

Chris Vine <address@hidden> writes:

> guile-2.0's scm_c_call_with_blocked_asyncs,
> scm_c_call_with_unblocked_asyncs, scm_dynwind_block_asyncs and
> scm_dynwind_unblock_asyncs will not link for me using 32-bit
> ubuntu-14.04 (gcc-4.8.2/guile-2.0.9) or 32-bit slackware-14.1
> (gcc-4.9.0/guile-2.0.11).  I do not have a machine to test a 64-bit
> system at present.
>
> The issue appears to be that this part of the API is not exported, even
> though these functions are documented and appear intended to be called
> by user code.
>
> A patch, against guile-2.0.11, is below, dealing with this.

Pushed to stable-2.0, commit 12c6a47773041ff5d0a3553421d2f358d9e479a9.

    Thanks!
      Mark