Simplify kernel config file need.
Don't build a default config file when not needed.
3 crosstool-0.32/build/alpha-unknown-linux-gnu/gcc-3.3.5-glibc-2.3.3/build-glibc/libc_pic.os(.text+0xc8bd0): In function `__posix_fallocate64_l64':
4 : undefined reference to `__GI___pwrite64'
5 collect2: ld returned 1 exit status
6 make[1]: *** [crosstool-0.32/build/alpha-unknown-linux-gnu/gcc-3.3.5-glibc-2.3.3/build-glibc/libc.so] Error 1
7 make[1]: Leaving directory `crosstool-0.32/build/alpha-unknown-linux-gnu/gcc-3.3.5-glibc-2.3.3/glibc-2.3.3'
8 make: *** [all] Error 2
10 extracted from GLIBC CVS by Dan Kegel
11 wget 'http://sources.redhat.com/cgi-bin/cvsweb.cgi/libc/sysdeps/unix/sysv/linux/alpha/sysdep.h.diff?r1=1.16&r2=1.17&cvsroot=glibc'
14 http://sources.redhat.com/ml/libc-alpha/2003-10/msg00038.html
17 --- glibc-2.3.3/sysdeps/unix/sysv/linux/alpha/sysdep.h.old 2003-06-20 09:24:36.000000000 -0700
18 +++ glibc-2.3.3/sysdeps/unix/sysv/linux/alpha/sysdep.h 2005-04-27 11:23:46.000000000 -0700
20 -/* Copyright (C) 1992, 1993, 1995, 1996, 1997, 2002, 2003
21 +/* Copyright (C) 1992, 1993, 1995, 1996, 1997, 2002, 2003, 2004
22 Free Software Foundation, Inc.
23 This file is part of the GNU C Library.
24 Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>, August 1995.
26 # define __NR_semtimedop 423
29 +/* This is a kludge to make syscalls.list find these under the names
30 + pread and pwrite, since some kernel headers define those names
31 + and some define the *64 names for the same system calls. */
32 +#if !defined __NR_pread && defined __NR_pread64
33 +# define __NR_pread __NR_pread64
35 +#if !defined __NR_pwrite && defined __NR_pwrite64
36 +# define __NR_pwrite __NR_pwrite64
40 * In order to get the hidden arguments for rt_sigaction set up
41 * properly, we need to call the assembly version. This shouldn't