build system overhaul

init/Config.in

@@ -5,32 +5,32 @@
 
 menu "Init Utilities"
 
-config CONFIG_INIT
+config INIT
 	bool "init"
 	default n
-	select CONFIG_FEATURE_SYSLOG
+	select FEATURE_SYSLOG
 	help
 	  init is the first program run when the system boots.
 
-config CONFIG_DEBUG_INIT
+config DEBUG_INIT
 	bool "debugging aid"
 	default n
-	depends on CONFIG_INIT
+	depends on INIT
 	help
 	  Turn this on to disable all the dangerous
 	  rebooting stuff when debugging.
 
-config CONFIG_FEATURE_USE_INITTAB
+config FEATURE_USE_INITTAB
 	bool "Support reading an inittab file"
 	default y
-	depends on CONFIG_INIT
+	depends on INIT
 	help
 	  Allow init to read an inittab file when the system boot.
 
-config CONFIG_FEATURE_INIT_SCTTY
+config FEATURE_INIT_SCTTY
 	bool "Support running commands with a controlling-tty"
 	default n
-	depends on CONFIG_INIT
+	depends on INIT
 	help
 	  If this option is enabled a command starting with hyphen (-)
 	  is run in its own session (setsid(2)) and possibly with a
@@ -38,17 +38,17 @@ config CONFIG_FEATURE_INIT_SCTTY
 	  behavour, but is often what you want in an embedded system where
 	  the console is only accessed during development or for maintenance.
 
-config CONFIG_FEATURE_EXTRA_QUIET
+config FEATURE_EXTRA_QUIET
 	bool "Be _extra_ quiet on boot"
 	default y
-	depends on CONFIG_INIT
+	depends on INIT
 	help
 	  Prevent init from logging some messages to the console during boot.
 
-config CONFIG_FEATURE_INIT_COREDUMPS
+config FEATURE_INIT_COREDUMPS
 	bool "Support dumping core for child processes (debugging only)"
 	default n
-	depends on CONFIG_INIT
+	depends on INIT
 	help
 	  If this option is enabled and the file /.init_enable_core
 	  exists, then init will call setrlimit() to allow unlimited
@@ -57,10 +57,10 @@ config CONFIG_FEATURE_INIT_COREDUMPS
 
 
 
-config CONFIG_FEATURE_INITRD
+config FEATURE_INITRD
 	bool "Support running init from within an initrd (not initramfs)"
 	default y
-	depends on CONFIG_INIT
+	depends on INIT
 	help
 	  Legacy support for running init under the old-style initrd.  Allows
 	  the name linuxrc to act as init, and it doesn't assume init is PID 1.
@@ -68,13 +68,13 @@ config CONFIG_FEATURE_INITRD
 	  This does not apply to initramfs, which runs /init as PID 1 and
 	  requires no special support.
 
-config CONFIG_HALT
+config HALT
 	bool "poweroff, halt, and reboot"
 	default y
 	help
 	  Stop all processes and either halt, reboot, or power off the system.
 
-config CONFIG_MESG
+config MESG
 	bool "mesg"
 	default y
 	help

init/Kbuild

@@ -0,0 +1,12 @@
+# Makefile for busybox
+#
+# Copyright (C) 1999-2005 by Erik Andersen <andersen@codepoet.org>
+#
+# Licensed under the GPL v2, see the file LICENSE in this tarball.
+
+lib-y:=
+lib-$(CONFIG_HALT)	+= halt.o
+lib-$(CONFIG_INIT)	+= init.o
+lib-$(CONFIG_MESG)	+= mesg.o
+lib-$(CONFIG_INIT)	+= init_shared.o
+lib-$(CONFIG_HALT)	+= init_shared.o

init/Makefile

@@ -1,23 +0,0 @@
-# Makefile for busybox
-#
-# Copyright (C) 1999-2005 by Erik Andersen <andersen@codepoet.org>
-#
-# Licensed under the GPL v2, see the file LICENSE in this tarball.
-
-ifndef top_srcdir
-top_srcdir=..
-endif
-ifndef top_builddir
-top_builddir=..
-endif
-srcdir=$(top_srcdir)/init
-INIT_DIR:=./
-include $(top_srcdir)/Rules.mak
-include $(top_builddir)/.config
-include $(srcdir)/Makefile.in
-all: $(libraries-y)
--include $(top_builddir)/.depend
-
-clean:
-	rm -f *.o *.a $(AR_TARGET)
-

init/Makefile.in

@@ -1,43 +0,0 @@
-# Makefile for busybox
-#
-# Copyright (C) 1999-2005 by Erik Andersen <andersen@codepoet.org>
-#
-# Licensed under the GPL v2, see the file LICENSE in this tarball.
-
-INIT_AR:=init.a
-ifndef $(INIT_DIR)
-INIT_DIR:=$(top_builddir)/init/
-endif
-srcdir=$(top_srcdir)/init
-
-INIT-y:=
-INIT-$(CONFIG_HALT)			+= halt.o
-INIT-$(CONFIG_INIT)			+= init.o
-INIT-$(CONFIG_MESG)			+= mesg.o
-
-ifeq ($(strip $(CONFIG_HALT)),y)
-CONFIG_INIT_SHARED=y
-else
-ifeq ($(strip $(CONFIG_INIT)),y)
-CONFIG_INIT_SHARED=y
-else
-CONFIG_INIT_SHARED=n
-endif
-endif
-
-INIT-$(CONFIG_INIT_SHARED)        += init_shared.o
-
-ifneq ($(strip $(INIT-y)),)
-libraries-y+=$(INIT_DIR)$(INIT_AR)
-endif
-
-INIT_SRC-y:=$(patsubst %.o,$(srcdir)/%.c,$(INIT-y))
-INIT_SRC-a:=$(wildcard $(srcdir)/*.c)
-APPLET_SRC-y+=$(INIT_SRC-y)
-APPLET_SRC-a+=$(INIT_SRC-a)
-
-$(INIT_DIR)$(INIT_AR): $(patsubst %,$(INIT_DIR)%, $(INIT-y))
-	$(do_ar)
-
-$(INIT_DIR)%.o: $(srcdir)/%.c
-	$(compile.c)