mention makemaker variables

diff --git a/README b/README
index 488ef7191596253107cc6e63814c4b313d4fb2fd..d4be0455a6085c43c3ae5a5e387d811f93606933 100644 (file)
--- a/README
+++ b/README
@@ -9,5 +9,8 @@ NOTAINT=0 turns on the taint flag in the ikiwiki program. (Not recommended
 unless your perl is less buggy than mine -- see
 http://bugs.debian.org/411786)
 
+There are also other variables supported by MakeMaker, including PREFIX,
+INSTALL_BASE, and DESTDIR. See ExtUtils::MakeMaker(3).
+
 All other documentation is in the ikiwiki documentation wiki, which is also
 available online at <http://ikiwiki.info/>