Index: config.h.in
===================================================================
--- config.h.in	(revision 20844)
+++ 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 */}