Remove fake signal-handling code

Microsoft Windows has only limited support for signals.  busybox-w32
initially papered over this fact by adding definitions for unsupported
signals and signal-handling functions.

Remove this fake code and deal with the consequences by excluding
anything that fails to compile as a result.

1 files changed, 4 insertions, 0 deletions

diff --git a/networking/nc.c b/networking/nc.c
index de02ccc9d..3e122b787 100644
--- a/networking/nc.c
+++ b/networking/nc.c
@@ -110,10 +110,12 @@
  * when compared to "standard" nc
  */
 
+#if ENABLE_NC_EXTRA
 static void timeout(int signum UNUSED_PARAM)
 {
         bb_error_msg_and_die("timed out");
 }
+#endif
 
 int nc_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int nc_main(int argc, char **argv)
@@ -187,10 +189,12 @@ int nc_main(int argc, char **argv)
                 argv++;
         }
 
+#if ENABLE_NC_EXTRA
         if (wsecs) {
                 signal(SIGALRM, timeout);
                 alarm(wsecs);
         }
+#endif
 
         if (!cfd) {
                 if (do_listen) {