makefile: use --single-version-externally-managed for simplejson

diff --git a/GNUmakefile b/GNUmakefile
index 4e0658f95b3031d18f8cedf11f5471a6347235c4..1e35c3561d36d9f95c91871d2c8d02ddf157036f 100644 (file)
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -71,7 +71,7 @@ build-foolscap:
 
 build-simplejson:
        cd src/simplejson && \
-       $(PP) $(PYTHON) ./setup.py $(EXTRA_SETUP_ARGS) install --prefix="$(INSTDIR)" --record="$(INSTDIR)/simplejson_install.log" --install-lib="$(INSTDIR)/lib" --install-scripts="$(INSTDIR)/bin"
+       $(PP) $(PYTHON) ./setup.py $(EXTRA_SETUP_ARGS) install --single-version-externally-managed --prefix="$(INSTDIR)" --record="$(INSTDIR)/simplejson_install.log" --install-lib="$(INSTDIR)/lib" --install-scripts="$(INSTDIR)/bin"
 
 build-Crypto:
        cd src/Crypto && \