http://bugs.uclibc.org/view.php?id=189

package/libsysfs/Config.in

@@ -0,0 +1,7 @@
+config BR2_PACKAGE_LIBSYSFS
+	bool "libsysfs"
+	default n
+	help
+	These are a set of utilites built upon sysfs, a new virtual filesystem in Linux kernel versions 2.5+ that exposes a system's device tree.
+
+	http://linux-diag.sourceforge.net/Sysfsutils.html

package/libsysfs/libsysfs.mk

@@ -0,0 +1,73 @@
+#############################################################
+#
+# libsysfs 
+#
+#############################################################
+# Copyright (C) 2001-2003 by Erik Andersen <andersen@codepoet.org>
+# Copyright (C) 2002 by Tim Riker <Tim@Rikers.org>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Library General Public License as
+# published by the Free Software Foundation; either version 2 of the
+# License, 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
+# Library General Public License for more details.
+#
+# You should have received a copy of the GNU Library General Public
+# License along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+# USA
+
+LIBSYSFS_VER:=1.2.0
+LIBSYSFS_DIR:=$(BUILD_DIR)/sysfsutils-$(LIBSYSFS_VER)
+LIBSYSFS_SITE:=http://cogent.dl.sourceforge.net/sourceforge/linux-diag
+LIBSYSFS_SOURCE:=sysfsutils-$(LIBSYSFS_VER).tar.gz
+LIBSYSFS_CAT:=zcat
+
+$(DL_DIR)/$(LIBSYSFS_SOURCE):
+	 $(WGET) -P $(DL_DIR) $(LIBSYSFS_SITE)/$(LIBSYSFS_SOURCE)
+
+libsysfs-source: $(DL_DIR)/$(LIBSYSFS_SOURCE)
+
+$(LIBSYSFS_DIR)/.unpacked: $(DL_DIR)/$(LIBSYSFS_SOURCE)
+	$(LIBSYSFS_CAT) $(DL_DIR)/$(LIBSYSFS_SOURCE) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) -
+	touch $(LIBSYSFS_DIR)/.unpacked
+
+$(LIBSYSFS_DIR)/.configured: $(LIBSYSFS_DIR)/.unpacked
+	(cd $(LIBSYSFS_DIR); \
+	$(TARGET_CONFIGURE_OPTS) \
+	CFLAGS="$(TARGET_CFLAGS) " \
+	./configure \
+	--target=$(GNU_TARGET_NAME) \
+	--host=$(GNU_TARGET_NAME) \
+	--build=$(GNU_HOST_NAME) \
+	--prefix=/ );
+	touch $(LIBSYSFS_DIR)/.configured
+
+$(LIBSYSFS_DIR)/.compiled: $(LIBSYSFS_DIR)/.configured
+	$(MAKE) -C $(LIBSYSFS_DIR)
+	touch $(LIBSYSFS_DIR)/.compiled
+
+$(STAGING_DIR)/lib/libsysfs.so: $(LIBSYSFS_DIR)/.compiled
+	$(MAKE) -C $(LIBSYSFS_DIR) DESTDIR=$(STAGING_DIR) install
+	touch -c $(STAGING_DIR)/lib/libsysfs.so
+
+$(TARGET_DIR)/usr/lib/libsysfs.so: $(STAGING_DIR)/lib/libsysfs.so
+	cp -dpf $(STAGING_DIR)/lib/libsysfs.so* $(TARGET_DIR)/usr/lib/
+	-$(STRIP) --strip-unneeded $(TARGET_DIR)/usr/lib/libsysfs.so
+
+libsysfs: uclibc $(TARGET_DIR)/usr/lib/libsysfs.so
+
+libsysfs-clean:
+	-$(MAKE) -C $(LIBSYSFS_DIR) clean
+#############################################################
+#
+# Toplevel Makefile options
+#
+#############################################################
+ifeq ($(strip $(BR2_PACKAGE_LIBSYSFS)),y)
+TARGETS+=libsysfs
+endif