xserver_xorg-server: add support for xtensa architecture

Fixes:
  http://autobuild.buildroot.net/results/143/14308a9d1806574f06ab2a7d222f53119fab1c90/
  http://autobuild.buildroot.net/results/5cc/5cceb96ac29a410316fd7d8f7de0615ba33e3f2c/

Backported from: dc8d0688471695ec5a8db5fef93fbcfc064891d5
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/x11r7/xserver_xorg-server/xserver_xorg-server-300-xtensa-add-support-for-xtensa-architecture.patch

@@ -0,0 +1,74 @@
+From dc8d0688471695ec5a8db5fef93fbcfc064891d5 Mon Sep 17 00:00:00 2001
+From: Max Filippov <jcmvbkbc@gmail.com>
+Date: Mon, 2 Jun 2014 01:17:31 +0400
+Subject: [PATCH] xtensa: add support for xtensa architecture
+
+Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
+Reviewed-by: Adam Jackson <ajax@redhat.com>
+Signed-off-by: Keith Packard <keithp@keithp.com>
+---
+Backported from: dc8d0688471695ec5a8db5fef93fbcfc064891d5
+
+ hw/xfree86/common/compiler.h            |    5 ++++-
+ hw/xfree86/os-support/linux/lnx_video.c |    3 ++-
+ include/servermd.h                      |   14 ++++++++++++++
+ 3 files changed, 20 insertions(+), 2 deletions(-)
+
+diff --git a/hw/xfree86/common/compiler.h b/hw/xfree86/common/compiler.h
+index 0319de0..1bd8def 100644
+--- a/hw/xfree86/common/compiler.h
++++ b/hw/xfree86/common/compiler.h
+@@ -1352,7 +1352,10 @@ stl_u(unsigned long val, unsigned int *p)
+ #else                           /* ix86 */
+ 
+ #if !defined(__SUNPRO_C)
+-#if !defined(FAKEIT) && !defined(__mc68000__) && !defined(__arm__) && !defined(__sh__) && !defined(__hppa__) && !defined(__s390__) && !defined(__m32r__) && !defined(__aarch64__) && !defined(__arc__)
++#if !defined(FAKEIT) && !defined(__mc68000__) && !defined(__arm__) && \
++    !defined(__sh__) && !defined(__hppa__) && !defined(__s390__) && \
++    !defined(__m32r__) && !defined(__aarch64__) && !defined(__arc__) && \
++    !defined(__xtensa__)
+ #ifdef GCCUSESGAS
+ 
+ /*
+diff --git a/hw/xfree86/os-support/linux/lnx_video.c b/hw/xfree86/os-support/linux/lnx_video.c
+index 40765fc..652f963 100644
+--- a/hw/xfree86/os-support/linux/lnx_video.c
++++ b/hw/xfree86/os-support/linux/lnx_video.c
+@@ -60,7 +60,8 @@ static Bool ExtendedEnabled = FALSE;
+       !defined(__nds32__) && \
+       !defined(__arm__) && \
+       !defined(__aarch64__) && \
+-      !defined(__arc__)
++      !defined(__arc__) && \
++      !defined(__xtensa__)
+ 
+ /*
+  * Due to conflicts with "compiler.h", don't rely on <sys/io.h> to declare
+diff --git a/include/servermd.h b/include/servermd.h
+index 2d1ccb1..081123b 100644
+--- a/include/servermd.h
++++ b/include/servermd.h
+@@ -313,6 +313,20 @@ SOFTWARE.
+ 
+ #endif                          /* ARC */
+ 
++#ifdef __xtensa__
++
++#ifdef __XTENSA_EL__
++#define IMAGE_BYTE_ORDER        LSBFirst
++#define BITMAP_BIT_ORDER        LSBFirst
++#endif
++#ifdef __XTENSA_EB__
++#define IMAGE_BYTE_ORDER        MSBFirst
++#define BITMAP_BIT_ORDER        MSBFirst
++#endif
++#define GLYPHPADBYTES           4
++
++#endif                          /* __xtensa__ */
++
+ /* size of buffer to use with GetImage, measured in bytes. There's obviously
+  * a trade-off between the amount of heap used and the number of times the
+  * ddx routine has to be called.
+-- 
+1.7.7.6
+