build: Redirect ./configure errors in general to config.log.

[libguestfs.git] / src / launch.c

diff --git a/src/launch.c b/src/launch.c
index 1a47363..c89c69f 100644 (file)
--- a/src/launch.c
+++ b/src/launch.c
@@ -625,17 +625,27 @@ launch_appliance (guestfs_h *g)
       guestfs___print_timestamped_argv (g, (const char **)g->cmdline);
 
     if (!g->direct) {
-      /* Set up stdin, stdout. */
+      /* Set up stdin, stdout, stderr. */
       close (0);
       close (1);
       close (wfd[1]);
       close (rfd[0]);
 
+      /* Stdin. */
       if (dup (wfd[0]) == -1) {
       dup_failed:
         perror ("dup failed");
         _exit (EXIT_FAILURE);
       }
+      /* Stdout. */
+      if (dup (rfd[1]) == -1)
+        goto dup_failed;
+
+      /* Particularly since qemu 0.15, qemu spews all sorts of debug
+       * information on stderr.  It is useful to both capture this and
+       * not confuse casual users, so send stderr to the pipe as well.
+       */
+      close (2);
       if (dup (rfd[1]) == -1)
         goto dup_failed;