flex-2.5.34 seems to be more pedantic, and craps out when it comes to %p

--- libIDL-0.8.9/lexer.l~	2007-01-01 23:41:34.000000000 +0000
+++ libIDL-0.8.9/lexer.l	2008-01-04 19:29:16.000000000 +0000
@@ -113,7 +113,7 @@
 sqstring		\'[^\'\n]*[\'\n]
 dqstring		\"[^\"\n]*[\"\n]
 
-%p 5000
+%pointer 5000
 
 %s XP