mesa: explictly add lib expat to intel libvulkan's lib depends

While built with "-fvisibility=default"
...
|i586-oe-linux-gcc ... -fvisibility=default ... -o ommon/.libs/
common_libintel_common_la-gen_decoder.o
...

It triggered the failure
...
|i586-oe-linux-g++  ... common/.libs/libintel_common.a ... -o
vulkan/.libs/libvulkan_intel.so
|common/.libs/libintel_common.a(common_libintel_common_la-gen_decoder.o):
|In function `start_element':
|/usr/src/debug/mesa/2_17.1.7-r0/mesa-17.1.7/src/intel/common/gen_decoder.c:371:
undefined reference to `XML_GetCurrentLineNumber'
...

explictly add EXPAT_LIBS to intel's VULKAN_LIB_DEPS

(From OE-Core rev: 12b65b38ca9617cf9162d032c73dd8f4b32cea81)

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-graphics/mesa/files/0001-Makefile.vulkan.am-explictly-add-lib-expat-to-intel-.patch

@@ -0,0 +1,44 @@
+From 342311dbb190735b7b32ab20f81c1d8dbcfe717a Mon Sep 17 00:00:00 2001
+From: Hongxu Jia <hongxu.jia@windriver.com>
+Date: Wed, 11 Oct 2017 15:40:42 +0800
+Subject: [PATCH] Makefile.vulkan.am: explictly add lib expat to intel
+ libvulkan's lib depends
+
+While built with "-fvisibility=default"
+...
+|i586-oe-linux-gcc ... -fvisibility=default ... -o common/.libs/common_libintel_common_la-gen_decoder.o
+...
+
+It triggered the failure
+...
+|i586-oe-linux-g++  ... common/.libs/libintel_common.a ... -o vulkan/.libs/libvulkan_intel.so
+|common/.libs/libintel_common.a(common_libintel_common_la-gen_decoder.o):
+|In function `start_element':
+|/usr/src/debug/mesa/2_17.1.7-r0/mesa-17.1.7/src/intel/common/gen_decoder.c:371:
+undefined reference to `XML_GetCurrentLineNumber'
+...
+
+explictly add EXPAT_LIBS to intel's VULKAN_LIB_DEPS
+
+Upstream-Status: Submitted [mesa-dev@lists.freedesktop.org]
+
+Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
+---
+ src/intel/Makefile.vulkan.am | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/src/intel/Makefile.vulkan.am b/src/intel/Makefile.vulkan.am
+index 271b0a5..8fbe2c8 100644
+--- a/src/intel/Makefile.vulkan.am
++++ b/src/intel/Makefile.vulkan.am
+@@ -144,6 +144,7 @@ VULKAN_LIB_DEPS = \
+ 	$(LIBDRM_LIBS) \
+ 	$(PTHREAD_LIBS) \
+ 	$(DLOPEN_LIBS) \
++	$(EXPAT_LIBS) \
+ 	-lm
+ 
+ if HAVE_PLATFORM_X11
+-- 
+2.7.4
+

meta/recipes-graphics/mesa/mesa_17.1.7.bb

@@ -11,6 +11,7 @@ SRC_URI = "https://mesa.freedesktop.org/archive/mesa-${PV}.tar.xz \
            file://0002-gallivm-Fix-build-against-LLVM-SVN-r302589.patch \
            file://0001-winsys-svga-drm-Include-sys-types.h.patch \
            file://0001-configure.ac-Always-check-for-expat.patch \
+           file://0001-Makefile.vulkan.am-explictly-add-lib-expat-to-intel-.patch \
            "
 SRC_URI[md5sum] = "e40bb428a263bd28cbf6478dae45b207"
 SRC_URI[sha256sum] = "69f472a874b1122404fa0bd13e2d6bf87eb3b9ad9c21d2f39872a96d83d9e5f5"