test before copy

diff --git a/configure.ac b/configure.ac
index ab95920595b2f240f9054e914c033b5fb7a727d0..7b4973fb00bc29100e8c3678d270526b09e4d21c 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -349,7 +349,9 @@ if [ test "$NEED_LIBOPTS_DIR" != "true" ];then
        dnl delete libopts-generated files
        for i in ${srcdir}/src/*-args.c.bak ${srcdir}/src/*-args.h.bak; do
                nam=`echo $i|sed 's/.bak//g'`
-               cp -f $i $nam
+               if [ test -f $i ];then
+                       cp -f $i $nam
+               fi
        done
        AC_SUBST([AUTOGEN], [/bin/true])
 fi