--- IRRToolSet-4.7.3/src/RtConfig/Makefile.in.orig	2002-03-27 14:56:38.000000000 +0100
+++ IRRToolSet-4.7.3/src/RtConfig/Makefile.in	2004-11-06 13:48:03.253744768 +0100
@@ -25,7 +25,7 @@
 CC              = @CC@
 CXX             = @CXX@
 BISON           = @YACC@
-FLEX            = @LEX@
+FLEX            = @LEX@ -l
 LD              = @LD@
 PERL            = @PERL_PATH@
 INSTALL         = @INSTALL@