-use Cwd qw/abs_path/;
-use File::Temp qw/tempfile/;
-use POSIX qw/WIFEXITED WEXITSTATUS WIFSIGNALED WTERMSIG SIGINT SIGQUIT/;
+use Cwd qw<abs_path>;
+use File::Temp qw<tempfile>;
+use File::Spec (); # curdir, catfile
+use POSIX qw<WIFEXITED WEXITSTATUS WIFSIGNALED WTERMSIG>;