On Wed, 13 Oct 1999, John Polstra wrote:
> I'm building world on an Alpha and have run into this:
>
> building shared library libc_r.so.4
> sigpending.So: In function `sigpending':
> sigpending.S:2: multiple definition of `sigpending'
> uthread_sigpending.So(.text+0x0):uthread_sigpending.c: first defined here
> /usr/obj/a/src/tmp/usr/libexec/elf/ld: Warning: size of symbol `sigpending' changed
>from 68 to 36 in sigpending.So
> uthread_sigsuspend.So: In function `sigsuspend':
> uthread_sigsuspend.c(.text+0x0): multiple definition of `sigsuspend'
> sigsuspend.So:sigsuspend.S:2: first defined here
> /usr/obj/a/src/tmp/usr/libexec/elf/ld: Warning: size of symbol `sigsuspend' changed
>from 36 to 236 in uthread_sigsuspend.So
> *** Error code 1
>
> I know the cause of it and I know the fix. The cause is this:
>
> -------------------------------------------------------------------------------
> dfr 1999/10/09 05:11:32 PDT
>
> Modified files:
> lib/libc/alpha/sys Makefile.inc
> Log:
> Remove old sig* wrappers.
>
> Revision Changes Path
> 1.6 +2 -3 src/lib/libc/alpha/sys/Makefile.inc
> -------------------------------------------------------------------------------
>
> and the fix is to add sigpending.o and sigsuspend.o to the
> definition of HIDDEN_SYSCALLS in "src/lib/libc_r/Makefile".
>
> But there was a similar commit for the i386 a few hours later, and I
> haven't heard any complaints about this breakage on i386 systems. I'm
> reluctant to commit the fix for the Alpha until I understand why not,
> because it will affect the i386 too. Can any of you shed some light
> on this?
I'm pretty sure that this is the right fix. My guess as to why it didn't
pop up on i386 is that the old and new implementations were sufficiently
close in size that rounding up to 16bytes made them look identical.
--
Doug Rabson Mail: [EMAIL PROTECTED]
Nonlinear Systems Ltd. Phone: +44 181 442 9037
To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-current" in the body of the message
