Index: trunk/config.h.in
===================================================================
--- trunk/config.h.in	(revision 20844)
+++ trunk/config.h.in	(revision 20845)
@@ -132,6 +132,8 @@
 @]
 
 print {\n\n/* Define whether we have specific signals. */\n}
+print_ternary ?signal/names/SIGPIPE/presents    {#define PCB_HAVE_SIGPIPE 1} {/* #undef PCB_HAVE_SIGPIPE */}
+print {\n}
 print_ternary ?signal/names/SIGSEGV/presents    {#define PCB_HAVE_SIGSEGV 1} {/* #undef PCB_HAVE_SIGSEGV */}
 print {\n}
 print_ternary ?signal/names/SIGABRT/presents    {#define PCB_HAVE_SIGABRT 1} {/* #undef PCB_HAVE_SIGABRT */}
Index: trunk/src/main.c
===================================================================
--- trunk/src/main.c	(revision 20844)
+++ trunk/src/main.c	(revision 20845)
@@ -101,9 +101,8 @@
 #endif
 
 	/* calling external program by popen() may cause a PIPE signal,
-	 * so we ignore it
-	 */
-#ifdef SIGPIPE
+	   so we ignore it */
+#ifdef PCB_HAVE_SIGPIPE
 	signal(SIGPIPE, SIG_IGN);
 #endif
 }