[Mesa-dev] [Bug 90147] swrast: build error undeclared _SC_PHYS_PAGES on osx

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90147

Jon TURNEY <jon.turney at dronecode.org.uk> changed:

           What    |Removed                     |Added
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                 CC|                            |jon.turney at dronecode.org.uk

--- Comment #9 from Jon TURNEY <jon.turney at dronecode.org.uk> ---
Created attachment 115698
  --> https://bugs.freedesktop.org/attachment.cgi?id=115698&action=edit
Fix compilation when sys/sysctl.h is not present

Unfortunately, this patch unconditionally includes sys/sysctl.h, which breaks
compilation for me (see
http://tinderbox.x.org/builds/2015-05-07-0008/logs/mesa-mesa/#build)

I can't find any evidence that sys/sysctl.h is required by POSIX.

Attached is an attempt to fix this.

Additionally, I'm not sure if any platform exists which has both interfaces,
but preferring sysctl() to sysconf() as this patch does, would mean on any such
platforms a different path would be used to that previously.

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