Test for nonexistance of files before trying to mv them.

diff --git a/configure b/configure
index ede4b3f..b2e2357 100755 (executable)
--- a/configure
+++ b/configure
@@ -506,7 +506,9 @@ for subdir in . ${subdirs} ; do
 
        # Make the links.
        configlinks="${links}"
-       mv -f config.status config.back
+       if [ -r config.status ] ; then
+               mv -f config.status config.back
+       fi
        while [ -n "${files}" ] ; do
                # set file to car of files, files to cdr of files
                set ${files}; file=$1; shift; files=$*
@@ -724,7 +726,9 @@ ${progname}" ${arguments}  "
 # ${using}" > ${subdir}/config.new
        fi
        chmod a+x ${subdir}/config.new
-       mv -f config.back config.status
+       if [ -r config.back ] ; then
+               mv -f config.back config.status
+       fi
        ${moveifchange} config.new config.back
        ;;