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, 2 insertions, 0 deletions

diff --git a/archival/tar.c b/archival/tar.c
index 990755429..fbe5e3be8 100644
--- a/archival/tar.c
+++ b/archival/tar.c
@@ -1117,7 +1117,9 @@ int tar_main(int argc UNUSED_PARAM, char **argv)
 
         if (opt & OPT_2COMMAND) {
                 putenv((char*)"TAR_FILETYPE=f");
+#ifdef SIGPIPE
                 signal(SIGPIPE, SIG_IGN);
+#endif
                 tar_handle->action_data = data_extract_to_command;
                 IF_FEATURE_TAR_TO_COMMAND(tar_handle->tar__to_command_shell = xstrdup(get_shell_name());)
         }