diff -up tigervnc-1.2.0/unix/xserver/hw/vnc/Makefile.am.gethomedir tigervnc-1.2.0/unix/xserver/hw/vnc/Makefile.am
--- tigervnc-1.2.0/unix/xserver/hw/vnc/Makefile.am.gethomedir	2012-08-22 15:52:01.876216608 +0200
+++ tigervnc-1.2.0/unix/xserver/hw/vnc/Makefile.am	2012-08-22 15:52:45.973143684 +0200
@@ -5,6 +5,7 @@ RFB_LIB=$(LIB_DIR)/rfb/librfb.la
 RDR_LIB=$(LIB_DIR)/rdr/librdr.la
 NETWORK_LIB=$(LIB_DIR)/network/libnetwork.la
 XREGION_LIB=$(LIB_DIR)/Xregion/libXregion.la
+OS_LIB=$(LIB_DIR)/os/libos.la
 COMMON_LIBS=$(NETWORK_LIB) $(RFB_LIB) $(RDR_LIB) $(XREGION_LIB)
 
 noinst_LTLIBRARIES = libvnccommon.la
@@ -55,7 +56,7 @@ libvnc_la_CPPFLAGS = $(XVNC_CPPFLAGS) -I
 
 libvnc_la_LDFLAGS = -module -avoid-version -Wl,-z,now
 
-libvnc_la_LIBADD = libvnccommon.la $(COMMON_LIBS)
+libvnc_la_LIBADD = libvnccommon.la $(COMMON_LIBS) $(OS_LIB)
 
 EXTRA_DIST = Xvnc.man