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From: Paul Brewer <paul.brewer40@ntlworld.com>
Subject: Re: ports/179625: x11-servers/xorg-server built with clang does not
 work, needs USE_GCC=any
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The following reply was made to PR ports/179625; it has been noted by GNATS.

From: Paul Brewer <paul.brewer40@ntlworld.com>
To: bug-followup@FreeBSD.org, mexas@bristol.ac.uk
Cc:  
Subject: Re: ports/179625: x11-servers/xorg-server built with clang does not
 work, needs USE_GCC=any
Date: Mon, 17 Jun 2013 21:20:54 +0100

 I too have this issue.
 
 When xorg-server is compiled with clang, the following appears in /var/log/Xorg.0.log:
 
 ----------------------------------------------------------------------
 <everything looks normal up to this point>
 (II) VBoxVideo(0): Using default gamma of (1.0, 1.0, 1.0) unless 
 otherwise stated.
 (II) VBoxVideo(0): RandR 1.2 enabled, ignore the following RandR disabled 
 message.
 
 Fatal server error:
 AddScreen/ScreenInit failed for driver 0
 
 
 Please consult the The X.Org Foundation support 
 	 at http://wiki.x.org
  for help. 
 Please also check the log file at "/var/log/Xorg.0.log" for additional 
 information.
 
 Segmentation fault at address 0x290
 ----------------------------------------------------------------------
 This is in a VM, which reports the graphics adapter as:
 
 vgapci0@pci0:0:2:0:	class=0x030000 card=0x00000000 chip=0xbeef80ee 
 rev=0x00 hdr=0x00
     vendor     = 'InnoTek Systemberatung GmbH'
     device     = 'VirtualBox Graphics Adapter'
     class      = display
     subclass   = VGA