1 files changed, 3 insertions, 0 deletions

diff --git a/configure1.in b/configure1.in
index b4ec6c9a5a6..e9564be49c0 100755
--- a/configure1.in
+++ b/configure1.in
@@ -393,6 +393,9 @@ if [ `pwd` != `(cd ${srcdir} && pwd)` ] \
   extrasub='/^VPATH[     ]*=/c\
 vpath %.c $(srcdir)\
 vpath %.h $(srcdir)\
+vpath %.y $(srcdir)\
+vpath %.l $(srcdir)\
+vpath %.s $(srcdir)\
 vpath %.in $(srcdir)'
 fi