Add glibc build support

* Makeconfig, Versions, configure.in, forward.c, libc_pthread_init.c,
pthread/pthread-functions.h, shlib-versions, sysdeps/i386/Implies,
sysdeps/mach/hurd/Implies, sysdeps/mach/hurd/i386/Implies: New files.
* Makefile: Add glibc rules, enabled when IN_GLIBC is defined to yes, when
$(..) is defined.
* pthread/pt-initialize.c [IS_IN_libpthread] (pthread_functions): New variable.
[IS_IN_libpthread] (__pthread_initialize): Call __libc_pthread_init.

1 files changed, 34 insertions, 0 deletions

diff --git a/libc_pthread_init.c b/libc_pthread_init.c
new file mode 100644
index 0000000..e6c8b9f
--- /dev/null
+++ b/libc_pthread_init.c
@@ -0,0 +1,34 @@
+/* Copyright (C) 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Jakub Jelinek <jakub@redhat.com>, 2002.
+
+   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 <string.h>
+#include <pthread-functions.h>
+
+void
+__libc_pthread_init (functions)
+     const struct pthread_functions *functions;
+{
+#ifdef SHARED
+  /* We copy the content of the variable pointed to by the FUNCTIONS
+     parameter to one in libc.so since this means access to the array
+     can be done with one memory access instead of two.  */
+  memcpy (&__libc_pthread_functions, functions,
+	  sizeof (__libc_pthread_functions));
+#endif
+}