libbpf: Merge the Berkeley Packet Filter library.

* Makefile (lib-subdirs): Add new library.
* NEWS: Update.
* libbpf/Makefile: New file.
* libbpf/bpf_impl.c: Likewise.
* libbpf/bpf_impl.h: Likewise.
* libbpf/queue.c: Likewise.
* libbpf/queue.h: Likewise.
* libbpf/util.h: Likewise.

The Berkeley Packet Filter implementation has been extracted from the
Mach kernel by Zheng Da.  This merges his work into the main
repository.

1 files changed, 33 insertions, 0 deletions

diff --git a/libbpf/Makefile b/libbpf/Makefile
new file mode 100644
index 00000000..0a7ba90f
--- /dev/null
+++ b/libbpf/Makefile
@@ -0,0 +1,33 @@
+#
+#   Copyright (C) 1994,95,96,97,98,99,2000,01,02,2005 Free Software Foundation, Inc.
+#
+#   This program is free software; you can redistribute it and/or
+#   modify it under the terms of the GNU General Public License as
+#   published by the Free Software Foundation; either version 2, or (at
+#   your option) any later version.
+#
+#   This program 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
+#   General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program; if not, write to the Free Software
+#   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+dir := libbpf
+makemode := library
+
+libname = libbpf
+SRCS= bpf_impl.c queue.c
+LCLHDRS = bpf_impl.h queue.h
+installhdrs = bpf_impl.h queue.h
+
+MIGSTUBS =
+OBJS = $(sort $(SRCS:.c=.o) $(MIGSTUBS))
+
+LDLIBS = -lpthread
+
+MIGCOMSFLAGS =
+
+include ../Makeconf