[cairo-bugs] [Bug 59298] Configure fails to find libpthread with CPPFLAG -H

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=59298

Daniel Macks <dmacks at netspace.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|cairo-bugs at cairographics.or |chris at chris-wilson.co.uk
                   |g                           |
            Version|1.12.8                      |1.12.14
          Component|gl backend                  |general

--- Comment #1 from Daniel Macks <dmacks at netspace.org> ---
This appears to be a general bug in the pthread test. The CAIRO_CHECK_PTHREAD
macro uses CAIRO_CC_TRY_LINK_WITH_ENV_SILENT for the actual tests for
compileability with various flags. There, "The link step must complete without
dnl warnings or errors to stderr." But using various flags that the user could
want to use might legitimately trigger unrelated compiler diagnostic output,
which incorrectly is treated as a failure/unsupported pthread flag.

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