patch from John Gatewood Ham, add lsof

package/Config.in

@@ -74,6 +74,7 @@ source "package/libusb/Config.in"
 source "package/lighttpd/Config.in"
 source "package/links/Config.in"
 source "package/lrzsz/Config.in"
+source "package/lsof/Config.in"
 source "package/ltp-testsuite/Config.in"
 source "package/ltrace/Config.in"
 source "package/ltt/Config.in"

package/lsof/Config.in

@@ -0,0 +1,9 @@
+config BR2_PACKAGE_LSOF
+	bool "lsof"
+	default n
+	help
+          lsof (LiSt Open Files)
+          The lsof tool lists information about files opened by 
+          processes.
+
+	  ftp://lsof.itap.purdue.edu/pub/tools/unix/lsof/

package/lsof/lsof.mk

@@ -0,0 +1,51 @@
+#############################################################
+#
+# lsof
+#
+#############################################################
+LSOF_SOURCE:=lsof_4.77.tar.bz2
+LSOF_SITE:=ftp://lsof.itap.purdue.edu/pub/tools/unix/lsof/
+LSOF_CAT:=bzip2 -cd
+LSOF_DIR:=$(BUILD_DIR)/lsof_4.77
+LSOF_BINARY:=lsof
+LSOF_TARGET_BINARY:=bin/lsof
+
+$(DL_DIR)/$(LSOF_SOURCE):
+	 $(WGET) -P $(DL_DIR) $(LSOF_SITE)/$(LSOF_SOURCE)
+
+lsof-source: $(DL_DIR)/$(LSOF_SOURCE)
+
+lsof-unpacked: $(LSOF_DIR)/.unpacked
+
+$(LSOF_DIR)/.unpacked: $(DL_DIR)/$(LSOF_SOURCE)
+	$(LSOF_CAT) $(DL_DIR)/$(LSOF_SOURCE) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) -
+	(cd $(LSOF_DIR);tar xf lsof_4.77_src.tar;rm -f lsof_4.77_src.tar)
+	touch $(LSOF_DIR)/.unpacked
+
+$(LSOF_DIR)/.configured: $(LSOF_DIR)/.unpacked
+	(cd $(LSOF_DIR)/lsof_4.77_src; echo n | CC="$(CC)" CFLAGS="$(CFLAGS)" ./Configure linux)
+	touch $(LSOF_DIR)/.configured
+
+$(LSOF_DIR)/lsof_4.77_src/$(LSOF_BINARY): $(LSOF_DIR)/.configured
+	$(MAKE) CC=$(TARGET_CC) -C $(LSOF_DIR)/lsof_4.77_src
+
+$(TARGET_DIR)/$(LSOF_TARGET_BINARY): $(LSOF_DIR)/lsof_4.77_src/$(LSOF_BINARY)
+	cp -a $(LSOF_DIR)/lsof_4.77_src/$(LSOF_BINARY) $(TARGET_DIR)/$(LSOF_TARGET_BINARY)
+
+lsof: uclibc $(TARGET_DIR)/$(LSOF_TARGET_BINARY)
+
+lsof-clean:
+	-rm -f $(TARGET_DIR)/$(LSOF_TARGET_BINARY)
+	-$(MAKE) -C $(LSOF_DIR)/lsof_4.77_src clean
+
+lsof-dirclean:
+	rm -rf $(LSOF_DIR)
+
+#############################################################
+#
+# Toplevel Makefile options
+#
+#############################################################
+ifeq ($(strip $(BR2_PACKAGE_LSOF)),y)
+TARGETS+=lsof
+endif