diff -r 6f24b0c36dbd -r c05c7670f166 lib/Tools/fixdatatype
--- a/lib/Tools/fixdatatype	Tue Apr 26 19:50:31 2005 +0200
+++ b/lib/Tools/fixdatatype	Tue Apr 26 19:50:57 2005 +0200
@@ -34,7 +34,7 @@
 ## main
 
 #set by configure
-AUTO_PERL=/usr/bin/perl
+AUTO_PERL=perl
 
 find $SPECS \( -name \*.thy -o -name \*.ML \) -print | \
   xargs "$AUTO_PERL" -w "$ISABELLE_HOME/lib/scripts/fixdatatype.pl"