diff -ur OpenFOAM-1.4.1-src/wmake/rules/General/flex++ OpenFOAM-1.4.1/wmake/rules/General/flex++
--- OpenFOAM-1.4.1-src/wmake/rules/General/flex++	2006-08-18 17:35:12.000000000 +0200
+++ OpenFOAM-1.4.1/wmake/rules/General/flex++	2007-10-28 17:38:46.000000000 +0100
@@ -1,6 +1,6 @@
 .SUFFIXES: .L
 
-Ltoo = flex++ -f $$SOURCE ; mv lex.yy.cc $*.C ; $(CC) $(c++FLAGS) -c $*.C -o $@ 
+Ltoo = flex --c++ -f $$SOURCE ; mv lex.yy.cc $*.C ; $(CC) $(c++FLAGS) -c $*.C -o $@ 
 
 .L.dep:
 	$(MAKE_DEP)
diff -ur OpenFOAM-1.4.1-src/wmake/rules/General/flex++.test OpenFOAM-1.4.1/wmake/rules/General/flex++.test
--- OpenFOAM-1.4.1-src/wmake/rules/General/flex++.test	2007-03-13 17:27:58.000000000 +0100
+++ OpenFOAM-1.4.1/wmake/rules/General/flex++.test	2007-10-28 17:39:09.000000000 +0100
@@ -1,6 +1,6 @@
 .SUFFIXES: .L
 
-Ltoo = flex++ $$SOURCE ; mv lex.yy.cc $*.C ; $(CC) $(c++FLAGS) -c $*.C -o $@ 
+Ltoo = flex --c++ $$SOURCE ; mv lex.yy.cc $*.C ; $(CC) $(c++FLAGS) -c $*.C -o $@ 
 
 .L.dep:
 	$(MAKE_DEP)