Mesa (master): libgl-xlib: Link with libunwind.

[Vinson Lee]

Module: Mesa
Branch: master
Commit: c161a104629ad49dc6a4f7d1fe82e87fc08121fe
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=c161a104629ad49dc6a4f7d1fe82e87fc08121fe

Author: Vinson Lee <vlee at freedesktop.org>
Date:   Tue Apr  4 14:52:39 2017 -0700

libgl-xlib: Link with libunwind.

Fix linking error.

  CXXLD    libGL.la
../../../../src/gallium/auxiliary/.libs/libgallium.a(u_debug_stack.o): In function `debug_backtrace_capture':
src/gallium/auxiliary/util/u_debug_stack.c:59: undefined reference to `_Ux86_64_getcontext'
src/gallium/auxiliary/util/u_debug_stack.c:60: undefined reference to `_ULx86_64_init_local'
src/gallium/auxiliary/util/u_debug_stack.c:62: undefined reference to `_ULx86_64_step'
src/gallium/auxiliary/util/u_debug_stack.c:71: undefined reference to `_ULx86_64_get_proc_info'
src/gallium/auxiliary/util/u_debug_stack.c:73: undefined reference to `_ULx86_64_get_proc_name'
src/gallium/auxiliary/util/u_debug_stack.c:65: undefined reference to `_ULx86_64_step'

Fixes: 70c272004f72 ("gallium/util: libunwind support")
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=100562
Signed-off-by: Vinson Lee <vlee at freedesktop.org>
Reviewed-by: Rob Clark <robdclark at gmail.com>

---

 src/gallium/targets/libgl-xlib/Makefile.am | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/gallium/targets/libgl-xlib/Makefile.am b/src/gallium/targets/libgl-xlib/Makefile.am
index 6f966c3aeb..d2fd2ed7b6 100644
--- a/src/gallium/targets/libgl-xlib/Makefile.am
+++ b/src/gallium/targets/libgl-xlib/Makefile.am
@@ -73,7 +73,8 @@ lib at GL_LIB@_la_LIBADD = \
 	$(top_builddir)/src/gallium/auxiliary/libgallium.la \
 	$(SHARED_GLAPI_LIB) \
 	$(GL_LIB_DEPS) \
-	$(CLOCK_LIB)
+	$(CLOCK_LIB) \
+	$(LIBUNWIND_LIBS)
 
 if HAVE_GALLIUM_LLVM
 lib at GL_LIB@_la_LIBADD += $(top_builddir)/src/gallium/drivers/llvmpipe/libllvmpipe.la $(LLVM_LIBS)