build system overhaul

scripts/mkconfigs

@@ -0,0 +1,51 @@
+#!/bin/sh
+#
+# Copyright (C) 2002 Khalid Aziz <khalid_aziz at hp.com>
+# Copyright (C) 2002 Randy Dunlap <rddunlap at osdl.org>
+# Copyright (C) 2002 Al Stone <ahs3 at fc.hp.com>
+# Copyright (C) 2002 Hewlett-Packard Company
+#
+#   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
+#   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 General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program; if not, write to the Free Software
+#   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+#
+#   Busybox version by Matteo Croce <3297627799 at wind.it>
+#
+# Rules to generate bbconfig.h from .config:
+#      - Retain lines that begin with "CONFIG_"
+#      - Retain lines that begin with "# CONFIG_"
+#      - lines that use double-quotes must \\-escape-quote them
+
+if [ $# -lt 1 ]
+then
+	config=.config
+else	config=$1
+fi
+
+echo "#ifndef _BBCONFIGOPTS_H"
+echo "#define _BBCONFIGOPTS_H"
+echo \
+"/*
+ * busybox configuration settings.
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ *
+ * This file is generated automatically by scripts/config/mkconfigs.
+ * Do not edit.
+ *
+ */"
+
+echo "static const char * const bbconfig_config ="
+echo "`sed 's/\"/\\\\\"/g' $config | grep "^#\? \?CONFIG_" | awk '{print "\\"" $0 "\\\\n\\"";}'`"
+echo ";"
+echo "#endif /* _BBCONFIGOPTS_H */"