build: Document the use of XEN_PYTHON_NATIVE_INSTALL

Document the use of the XEN_PYTHON_NATIVE_INSTALL environment variable

Signed-Off-By: Horms <horms@verge.net.au>

diff --git a/Makefile b/Makefile
index e9dcdfccac8ae7b8f8257984af47f716a5b13180..71a7c7d342f2af9ec892bfad0a4193d96cb6cf41 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -147,6 +147,13 @@ help:
        @echo '                     sparse trees'
        @echo '  uninstall        - attempt to remove installed Xen tools'
        @echo '                     (use with extreme care!)'
+       @echo
+       @echo 'Environment:'
+       @echo '  XEN_PYTHON_NATIVE_INSTALL=y'
+       @echo '                   - native python install or dist'
+       @echo '                     install into prefix/lib/python<VERSION>'
+       @echo '                     instead of <PREFIX>/lib/python'
+       @echo '                     true if set to non-empty value, false otherwise'
 
 # Use this target with extreme care!
 uninstall: D=$(DESTDIR)