Our install(1) does not support the `-t' option.

Index: introspection/Makefile.in
--- introspection/Makefile.in.orig
+++ introspection/Makefile.in
@@ -573,7 +573,7 @@ uninstall-am: uninstall-local
 
 
 @HAVE_INTROSPECTION_TRUE@@HAVE_PYTHON_GI_TRUE@install-data-local:
-@HAVE_INTROSPECTION_TRUE@@HAVE_PYTHON_GI_TRUE@	install -D -m 0444 -t $(DESTDIR)@GIOVERRIDESDIR@ gi/overrides/Gnm.py
+@HAVE_INTROSPECTION_TRUE@@HAVE_PYTHON_GI_TRUE@	install -D -m 0444 gi/overrides/Gnm.py $(DESTDIR)@GIOVERRIDESDIR@/Gnm.py
 
 @HAVE_INTROSPECTION_TRUE@@HAVE_PYTHON_GI_TRUE@uninstall-local:
 @HAVE_INTROSPECTION_TRUE@@HAVE_PYTHON_GI_TRUE@	rm -f $(DESTDIR)@GIOVERRIDESDIR@/Gnm.py