add pipe from glibc to fix popen test

libc/sysdeps/linux/alpha/Makefile.arch

@@ -1,6 +1,6 @@
 # Makefile for uClibc
 #
-# Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
+# Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
 #
 # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
 #
@@ -9,6 +9,7 @@ CSRC := __syscall_error.c sigprocmask.c
 
 SSRC := \
 	__longjmp.S brk.S bsd-_setjmp.S bsd-setjmp.S clone.S \
-	divl.S divq.S reml.S remq.S rt_sigaction.S setjmp.S syscall.S
+	divl.S divq.S pipe.S reml.S remq.S rt_sigaction.S setjmp.S \
+	syscall.S
 
 include $(top_srcdir)libc/sysdeps/linux/Makefile.commonarch

libc/sysdeps/linux/alpha/pipe.S

@@ -0,0 +1,48 @@
+/* Copyright (C) 1993, 1995, 1997, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David Mosberger (davidm@cs.arizona.edu).
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <features.h>
+#include <sys/syscall.h>
+#include <sys/regdef.h>
+#include <asm/pal.h>
+
+/* __pipe is a special syscall since it returns two values.  */
+
+.globl pipe
+.align 4
+.ent pipe, 0
+pipe:
+	.frame sp, 0, ra
+	ldgp gp,0(pv)
+	.prologue 1
+	lda v0, __NR_pipe
+	call_pal PAL_callsys
+	bne a3, $syscall_error
+
+	stl	r0, 0(a0)
+	stl	r1, 4(a0)
+	mov	zero, v0
+	ret
+
+$syscall_error:
+	jmp	zero,__syscall_error
+
+.end pipe
+
+libc_hidden_def (pipe)