+//config:config SUM
+//config: bool "sum"
+//config: default y
+//config: help
+//config: checksum and count the blocks in a file
+
+//applet:IF_SUM(APPLET(sum, BB_DIR_USR_BIN, BB_SUID_DROP))
+
+//kbuild:lib-$(CONFIG_SUM) += sum.o
+
+//usage:#define sum_trivial_usage
+//usage: "[-rs] [FILE]..."
+//usage:#define sum_full_usage "\n\n"
+//usage: "Checksum and count the blocks in a file\n"
+//usage: "\n -r Use BSD sum algorithm (1K blocks)"
+//usage: "\n -s Use System V sum algorithm (512byte blocks)"