[PATCH] update ikconfig generator script

From: "Randy.Dunlap" <rddunlap@osdl.org>

http://bugme.osdl.org/show_bug.cgi?id=2701

Current script has problems with some shells and utilities.  Remove use of
'echo' in the script.

From: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Randy Dunlap <rddunlap@osdl.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

scripts/mkconfigs

@@ -34,10 +34,10 @@ fi
 config=$1
 makefile=$2
 
-echo "#ifndef _IKCONFIG_H"
-echo "#define _IKCONFIG_H"
-echo \
-"/*
+cat << EOF
+#ifndef _IKCONFIG_H
+#define _IKCONFIG_H
+/*
  * 
  * 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
@@ -58,10 +58,10 @@ echo \
  * 
  * This file is generated automatically by scripts/mkconfigs. Do not edit.
  *
- */"
-
-echo "static char const ikconfig_config[] __attribute__((unused)) = "
-echo "\"CONFIG_BEGIN=n\\n\\"
-echo "`cat $config | sed 's/\"/\\\\\"/g' | grep "^#\? \?CONFIG_" | awk '{ print $0 "\\\\n\\\\" }' `"
-echo "CONFIG_END=n\\n\";"
-echo "#endif /* _IKCONFIG_H */"
+ */
+static char const ikconfig_config[] __attribute__((unused)) =
+"CONFIG_BEGIN=n\\n\\
+$(sed < $config -n 's/"/\\"/g;/^#\? \?CONFIG_/s/.*/&\\n\\/p')
+CONFIG_END=n\\n";
+#endif /* _IKCONFIG_H */
+EOF