use our own perl.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@42698 20353a03-c40f-0410-a6d1-a30d3c3de9de

buildout/software-profiles/git.cfg

@@ -6,6 +6,7 @@ extends =
   curl.cfg
   libexpat.cfg
   openssl.cfg
+  perl.cfg
   zlib.cfg
 parts =
   git
@@ -19,6 +20,7 @@ configure-options =
   --with-openssl=${openssl:location}
   --with-zlib=${zlib:location}
   --with-expat=${libexpat:location}
+  --with-perl=${perl:location}/bin/perl
   --without-python
   --without-tcltk