From 5aa3be9ee9a992c99b522ea156bb9744ee4e9611 Mon Sep 17 00:00:00 2001
From: Reuben Thomas <rrt@sc3d.org>
Date: Tue, 30 Jan 2018 15:18:36 +0000
Subject: [PATCH] Fix unused variable warnings

Move all pipe-specific code under #if HAVE_PIPE
---
 src/main.c | 12 +++++-------
 src/task.c |  2 ++
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/main.c b/src/main.c
index 12c2b1b..3ea1887 100644
--- a/src/main.c
+++ b/src/main.c
@@ -136,6 +136,7 @@ task_perror (RECODE_CONST_TASK task)
 | Signal handler.  |
 `-----------------*/
 
+#ifdef HAVE_PIPE
 static void
 sig_catch(int sig, void (*handler) (int))
 {
@@ -153,17 +154,12 @@ signal_handler (int number)
   sig_catch (number, signal_handler);
 }
 
-/*------------------------------------------------------------------------.
-| Prepare to handle signals, intercept willingful requests for stopping.  |
-`------------------------------------------------------------------------*/
-
 static void
 setup_signals (void)
 {
-#ifdef SIGPIPE
-  sig_catch (SIGPIPE, signal_handler);
-#endif
+ sig_catch (SIGPIPE, signal_handler);
 }
+#endif
 
 /* Main control.  */
 
@@ -777,7 +773,9 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n"),
       exit (EXIT_SUCCESS);
     }
 
+#if HAVE_PIPE
   setup_signals ();
+#endif
 
   {
     RECODE_TASK task;
diff --git a/src/task.c b/src/task.c
index fe0493b..d5f30fd 100644
--- a/src/task.c
+++ b/src/task.c
@@ -228,8 +228,10 @@ perform_sequence (RECODE_TASK task, enum recode_sequence_strategy strategy)
   struct recode_subtask subtask_block;
   RECODE_SUBTASK subtask = &subtask_block;
 
+#if HAVE_PIPE
   int pipe_pair[2];		/* pair of file descriptors for a pipe */
   pid_t wait_status;		/* status returned by wait() */
+#endif
 
   struct recode_read_write_text input;
   struct recode_read_write_text output;
-- 
2.50.0