|Subject:||Re: [libvirt] struct random on FreeBSD [was: FreeBSD-8.3 build failure for amd64/i386, build archive included]|
|Date:||Tue, 1 Oct 2013 00:00:41 -0700|
On Mon, Sep 30, 2013 at 2:27 PM, Jason Helfman <address@hidden> wrote:
> On Mon, Sep 30, 2013 at 11:50 AM, Eric Blake <address@hidden> wrote:
>> On 09/30/2013 10:09 AM, Jason Helfman wrote:
>> >> So, what has to be included prior to <stdlib.h> for the forward
>> >> declaration of struct random_data in that header to no longer be an
>> >> incomplete type? Can you grep your system headers and find what all
>> >> mentions struct random_data?
>> > In looking through our 8.4 Branch, here are the results of digging the
>> > tree:
>> > crypto/openssh/pkcs11.h: unsigned char
>> > *random_data,
>> > crypto/heimdal/lib/hx509/ref/pkcs11.h: unsigned char
>> > *random_data,
>> > crypto/heimdal/lib/hx509/hxtool.c:random_data(void *opt, int argc, char
>> > **argv)
>> > sys/netinet/sctp_output.c:
>> > SCTP_READ_RANDOM(randp->random_data, random_len);
>> Not relevant.
>> > sys/netinet/sctp_header.h: uint8_t random_data;
>> Maybe relevant. Can this header be picked up by some include sequence
>> of standard-only headers, such that using <stdlib.h> in isolation
>> doesn't have a problem, but <stdlib.h> in combination with this header
>> causes the problem?
>> > Per another developer at FreeBSD, it seems to be a bug in 8.x branch and
>> > picking up something it shouldn't and was "fixed" by adding this to the
>> > configure environment:
>> > ac_cv_type_struct_random_data=""
>> Generally, Autoconf wants you to use 'ac_cv_type_struct_random_data=no',
>> not blank. I don't know if using 'no' instead of a blank would resolve
>> the compiler core dump you hit. Is there a mail archive where you were
>> discussing this with the FreeBSD developers?
>> > http://redports.org/~jgh/20130930154500-61365-148605/libvirt-1.1.2.log
>> Also, this build was on FreeBSD 8.4, although you reported the problem
>> against FreeBSD 8.3. Let's get it resolved on one platform before
>> bouncing around to another (at the moment, I only have a FreeBSD 8.2
>> environment for my own testing, so I'm not much help at the moment).
>> Eric Blake eblake redhat com +1-919-301-3266
>> Libvirt virtualization library http://libvirt.org
> It all uses the same branch of code, so it won't matter what version while
> you are still in 8.x, unless you are running 8.x STABLE, and not a RELEASE
> based branch.
> In working with a fellow developer, this came down to gcc bugs that were
> addressed in later versions
> of FreeBSD, but was not merged from CURRENT branch to 8.x.
> Here is a link to the fix that I will be committing at some point today.
> Here are all the buildlogs, as well:
>What's the error you're getting with -Wmissing-include-dirs? We should
be testing to see if gcc supports that and not using it if its not
supported. Additionally, what version of gcc are you using in 8.x? We
can probably whip up a quick patch to resolve this.
As far as the struct random_data, I'll let Eric work on that since
he's got a better understand and more context.
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