4863 illumos-gate can't be built with fresh perl versions
Reviewed by: Andy Stormont <astormont@racktopsystems.com>
Reviewed by: Dan McDonald <danmcd@omniti.com>

@@ -162,10 +162,11 @@
 CTFCVTPTBL=     $(ONBLD_TOOLS)/bin/ctfcvtptbl
 CTFFINDMOD=     $(ONBLD_TOOLS)/bin/ctffindmod
 XREF=           $(ONBLD_TOOLS)/bin/xref
 FIND=           /usr/bin/find
 PERL=           /usr/bin/perl
+PERL_VERSION=   5.10.0
 PYTHON_26=      /usr/bin/python2.6
 PYTHON=         $(PYTHON_26)
 SORT=           /usr/bin/sort
 TOUCH=          /usr/bin/touch
 WC=             /usr/bin/wc