Must link with Xv, orelse segment fault when XCloseDisplay

Signed-off-by: Austin Yuan <shengquan.yuan@intel.com>

configure.ac

@@ -37,6 +37,7 @@ AC_SYS_LARGEFILE
 PKG_CHECK_MODULES([X11], [x11])
 PKG_CHECK_MODULES([XEXT], [xext])
 PKG_CHECK_MODULES([DRM], [libdrm])
+PKG_CHECK_MODULES([XV], [xv]) #neccessary, orelse segment fault when XCloseDisplay
 PKG_CHECK_MODULES(LIBDRM_DEPS, [libdrm])
 
 # We only need the headers, we don't link against the DRM libraries

src/Makefile.am

@@ -27,7 +27,7 @@ INCLUDES = \
 libva_la_LTLIBRARIES = libva.la
 libva_ladir = $(libdir)
 libva_la_LDFLAGS = -version-number 0:30:0 -no-undefined
-libva_la_LIBADD = $(LIBVA_LIBS) -ldl -ldrm -lX11 -lXext X11/libva_X11.la
+libva_la_LIBADD = $(LIBVA_LIBS) -ldl -ldrm -lX11 -lXext -lXv X11/libva_X11.la
 
 SUBDIRS = X11