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@freedesktop.org>
Reviewed-by: Rob Clark <robdclark@gmail.com>

diff --git a/src/gallium/targets/libgl-xlib/Makefile.am b/src/gallium/targets/libgl-xlib/Makefile.am
index 6f966c3aebe219e55602e5000bbcc0a02feab80c..d2fd2ed7b686a4b2a6ebddbbb1ee9220353766cc 100644 (file)
--- a/src/gallium/targets/libgl-xlib/Makefile.am
+++ b/src/gallium/targets/libgl-xlib/Makefile.am
@@ -73,7 +73,8 @@ lib@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@GL_LIB@_la_LIBADD += $(top_builddir)/src/gallium/drivers/llvmpipe/libllvmpipe.la $(LLVM_LIBS)