[cairo] configure script does not find pthreads when librt.a is present

Ryan Schmidt cairo-2012b at ryandesign.com
Thu Sep 20 23:51:35 PDT 2012

On Sep 21, 2012, at 01:35, Andrea Canciani wrote:
> On Fri, Sep 21, 2012 at 4:16 AM, Ryan Schmidt wrote:
>> I'm forwarding to you a bug report from a MacPorts user. There is apparently a problem with the cairo configure script where it will incorrectly find a /usr/local/lib/librt.a and try to find symbols in it, which it should be finding in libsystem.dylib instead. Here is our bug report about this:
> The problem seems to be some kind of invalid environment for the
> compiler (currently the pthread check is very paranoid, so it will
> fail even upon warnings).
> The issue might be related to https://bugs.freedesktop.org/show_bug.cgi?id=30910
> The config.log file should contain some more details about the failure.
> Can you check if it builds using this guide
> http://cairographics.org/end_to_end_build_for_mac_os_x/ ?

I cannot, because I am not the one experiencing the problem.

>> https://trac.macports.org/ticket/31275#comment:7
>> This problem is outside my area of expertise so I don't know what to do other than report it to you. If you need more details it might be best to contact the user who reported the ticket.
> The mail is hidden, so this is not so easy to do.

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