+# AT_CHECK_FILES(EXPECTED-FILES, [IGNORED-FILES])
+# -----------------------------------------------
+# Check that the current directory contains FILE... (sorted).
+m4_define([AT_CHECK_FILES],
+[AT_CHECK([[find . -type f |
+ $PERL -ne '
+ s,\./,,; chomp;
+ push @file, $_ unless m{^($2|testsuite.log)$};
+ END { print join (" ", sort @file), "\n" }']],
+ [], [$1
+])])