Patch from Dennis Vlasenko to add the option to compress help text.

scripts/usage.c

@@ -0,0 +1,14 @@
+#include <unistd.h>
+#include "busybox.h"
+
+static const char usage_messages[] =
+#define MAKE_USAGE
+#include "usage.h"
+#include "applets.h"
+;
+
+int main(void)
+{
+	write(1, usage_messages, sizeof(usage_messages));
+	return 0;
+}

scripts/usage_compressed

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+loc="$1"
+
+test "$loc" || loc=.
+
+echo 'static const char packed_usage[] = '
+"$loc"/usage | bzip2 -9 | od -v -t x1 \
+| sed -e 's/^[^ ]*//' -e 's/ \(..\)/\\x\1/g' -e 's/^\(.*\)$/"\1"/'
+echo ';'
+echo '#define SIZEOF_usage_messages' $((0 + `"$loc"/usage | wc -c `))