rpm/buildpipe.diff

--- build/rpmfc.c.orig	2011-06-06 11:27:32.000000000 +0000
+++ build/rpmfc.c	2011-06-08 10:00:38.000000000 +0000
@@ -165,12 +165,14 @@ static int sigpipe_init(void)
     fcntl(_sigpipe[1], F_SETFD, (fcntl(_sigpipe[1], F_GETFD)|FD_CLOEXEC));
     /* XXX SIGPIPE too, but NSPR disables it already, dont mess with it */
     signal(SIGCHLD, sigpipe_handler); 
+    signal(SIGPIPE, SIG_IGN); 
     return _sigpipe[0];
 }
 
 static void sigpipe_finish(void)
 {
     signal(SIGCHLD, SIG_DFL); 
+    signal(SIGPIPE, SIG_DFL); 
     close(_sigpipe[0]);
     close(_sigpipe[1]);
     _sigpipe[0] = -1;
@@ -298,10 +300,9 @@ static StringBuf getOutputFrom(ARGV_t ar
 	    appendStringBuf(readBuff, buf);
 	}
 
-	/* Child exited, we're done */
+	/* Child exited, we're maybe done */
 	if (FD_ISSET(sigpipe, &ibits)) {
 	    while (read(sigpipe, buf, sizeof(buf)) > 0) {};
-	    break;
 	}
     }