and get this building under windows

vcl/Library_vcl.mk

@@ -287,7 +287,6 @@ $(eval $(call gb_Library_add_exception_objects,vcl,\
 ))
 else
 $(eval $(call gb_Library_add_linked_libs,vcl,\
-    graphite2_off \
     version \
 ))
 endif

vcl/Library_vclplug_gen.mk

@@ -30,8 +30,8 @@ $(eval $(call gb_Library_Library,vclplug_gen))
 
 $(eval $(call gb_Library_set_include,vclplug_gen,\
     $$(INCLUDE) \
-    -I$(SRCDIR)/vcl/inc \
-    -I$(SRCDIR)/vcl/inc/pch \
+    -I$(realpath $(SRCDIR)/vcl/inc) \
+    -I$(realpath $(SRCDIR)/vcl/inc/pch) \
     -I$(SRCDIR)/solenv/inc \
     -I$(OUTDIR)/inc \
 ))