[Bug 89762] New: xf86-video-intel-2.99.917 should check for <alloca.h> being needed

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89762

            Bug ID: 89762
           Summary: xf86-video-intel-2.99.917 should check for <alloca.h>
                    being needed
           Product: xorg
           Version: 7.7 (2012.06)
          Hardware: Other
                OS: Solaris
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/intel
          Assignee: chris at chris-wilson.co.uk
          Reporter: richard at netbsd.org
        QA Contact: intel-gfx-bugs at lists.freedesktop.org

To get over errors compiling the latest intel driver on solaris with pkgsrc
I needed to do the following quick and dirty patch:

>--- src/sna/sna_display.c.orig	2014-12-20 13:45:31.000000000 +0000
>+++ src/sna/sna_display.c
>@@ -72,6 +72,9 @@
> #include <memcheck.h>
> #endif
> 
>+#ifdef __sun
>+#include <alloca.h>
>+#endif
> /* Minor discrepancy between 32-bit/64-bit ABI in old kernels */
> union compat_mode_get_connector{
> 	struct drm_mode_get_connector conn;


perhaps adding a configure time check to allow 
>#if HAVE_ALLOCA
>#include <alloca.h>
>#endif

would be preferable.

At the same time I notice an error in configure using `pwd` with arguments.
Some shells, such as pdksh, balk at that thus:
./configure[24230]: pwd: too many arguments

>xf86-video-intel 2.99.917 will be compiled with:
>  Xorg Video ABI version: 12.1
>  Acceleration backends: none *sna uxa
>  Additional debugging support? none
>  Support for Kernel Mode Setting? yes
>  Support for legacy User Mode Setting (for i810)? yes
>  Support for Direct Rendering Infrastructure: DRI1 DRI2
>  Support for Xv motion compensation (XvMC and libXvMC): no
>  Build additional tools and utilities? none


this is the ugly line:
>24230 test -e `pwd $0`/README && cat `pwd $0`/README

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