Index: external/libvisio/ExternalProject_libvisio.mk
--- external/libvisio/ExternalProject_libvisio.mk.orig
+++ external/libvisio/ExternalProject_libvisio.mk
@@ -38,7 +38,7 @@ $(call gb_ExternalProject_get_state_target,libvisio,bu
 			$(if $(verbose),--disable-silent-rules,--enable-silent-rules) \
 			$(if $(gb_FULLDEPS),,--disable-dependency-tracking) \
 			CXXFLAGS="$(CXXFLAGS) $(gb_CXXFLAGS) $(call gb_ExternalProject_get_build_flags,libvisio)" \
-			CPPFLAGS="$(CPPFLAGS) $(BOOST_CPPFLAGS)" \
+			CPPFLAGS="$(CPPFLAGS) -fPIC $(BOOST_CPPFLAGS)" \
 			LDFLAGS="$(call gb_ExternalProject_get_link_flags,libvisio)" \
 			$(gb_CONFIGURE_PLATFORMS) \
 		&& $(MAKE) \
