Developing a new way to handle application configurations

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4609 42af7a65-404d-4744-a932-0658087f49c3

37 files changed, 840 insertions, 5 deletions

diff --git a/apps/Make.defs b/apps/Make.defs
index f37a654c4..f37a654c4 100755..100644
--- a/apps/Make.defs
+++ b/apps/Make.defs
diff --git a/apps/Makefile b/apps/Makefile
index f54a9104d..979f204b5 100644
--- a/apps/Makefile
+++ b/apps/Makefile
@@ -35,6 +35,7 @@
 ############################################################################
 
 -include $(TOPDIR)/Make.defs
+-include $(TOPDIR)/.config
 
 APPDIR = ${shell pwd}
 
@@ -50,6 +51,45 @@ APPDIR = ${shell pwd}
 CONFIGURED_APPS =
 SUBDIRS = examples graphics interpreters namedapp nshlib netutils system vsn
 
+# There are two different mechanisms for obtaining the list of configured
+# directories:
+#
+# (1) In the legacy method, these paths are all provided in the appconfig
+#     file that is copied to the top-level apps/ directory as .config
+# (2) With the development of the NuttX configuration tool, however, the
+#     selected applications are now enabled by the configuration tool.
+#     The apps/.config file is no longer used.  Instead, the set of
+#     configured build directories can be found by including a Make.defs
+#     file contained in each of the apps/subdirectories.
+#
+# When the NuttX configuration tools executes, it will always define the
+# configure CONFIG_NUTTX_NEWCONFIG to select between these two cases.  Then
+# legacy appconfig files will still work but newly configuration files will
+# also work.  Eventually the CONFIG_NUTTX_NEWCONFIG option will be phased
+# out.
+
+ifeq ($(CONFIG_NUTTX_NEWCONFIG),y)
+
+include examples/Make.defs
+include graphics/Make.defs
+include interpreters/Make.defs
+include namedapp/Make.defs
+include netutils/Make.defs
+include nshlib/Make.defs
+include system/Make.defs
+include vsn/Make.defs
+
+
+# INSTALLED_APPS is the list of currently available application directories.  It
+# is the same as CONFIGURED_APPS, but filtered to exclude any non-existent
+# application directory. namedapp is always in the list of applications to be
+# built.
+
+INSTALLED_APPS =
+
+# The legacy case:
+
+else
 -include .config
 
 # INSTALLED_APPS is the list of currently available application directories.  It
@@ -58,6 +98,7 @@ SUBDIRS = examples graphics interpreters namedapp nshlib netutils system vsn
 # built.
 
 INSTALLED_APPS = namedapp
+endif
 
 # Create the list of available applications (INSTALLED_APPS)
 
diff --git a/apps/examples/Make.defs b/apps/examples/Make.defs
new file mode 100644
index 000000000..aa8d83733
--- /dev/null
+++ b/apps/examples/Make.defs
@@ -0,0 +1,223 @@
+############################################################################
+# apps/examples/Make.defs
+# Adds selected applications to apps/ build
+#
+#   Copyright (C) 2012 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name NuttX nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+
+ifeq ($(CONFIG_EXAMPLES_ADC),y)
+CONFIGURED_APPS += examples/adc
+endif
+
+ifeq ($(CONFIG_EXAMPLES_BUTTONS),y)
+CONFIGURED_APPS += examples/buttons
+endif
+
+ifeq ($(CONFIG_EXAMPLES_CAN),y)
+CONFIGURED_APPS += examples/can
+endif
+
+ifeq ($(CONFIG_EXAMPLES_CDCACM),y)
+CONFIGURED_APPS += examples/cdcacm
+endif
+
+ifeq ($(CONFIG_EXAMPLES_COMPOSITE),y)
+CONFIGURED_APPS += examples/composite
+endif
+
+ifeq ($(CONFIG_EXAMPLES_DHCPD),y)
+CONFIGURED_APPS += examples/dhcpd
+endif
+
+ifeq ($(CONFIG_EXAMPLES_FTPC),y)
+CONFIGURED_APPS += examples/ftpc
+endif
+
+ifeq ($(CONFIG_EXAMPLES_FTPD),y)
+CONFIGURED_APPS += examples/ftpd
+endif
+
+ifeq ($(CONFIG_EXAMPLES_HELLO),y)
+CONFIGURED_APPS += examples/hello
+endif
+
+ifeq ($(CONFIG_EXAMPLES_HELLOXX),y)
+CONFIGURED_APPS += examples/helloxx
+endif
+
+ifeq ($(CONFIG_EXAMPLES_HIDKBD),y)
+CONFIGURED_APPS += examples/hidkbd
+endif
+
+ifeq ($(CONFIG_EXAMPLES_IGMP),y)
+CONFIGURED_APPS += examples/igmp
+endif
+
+ifeq ($(CONFIG_EXAMPLES_LCDRW),y)
+CONFIGURED_APPS += examples/lcdrw
+endif
+
+ifeq ($(CONFIG_EXAMPLES_MM),y)
+CONFIGURED_APPS += examples/mm
+endif
+
+ifeq ($(CONFIG_EXAMPLES_MOUNT),y)
+CONFIGURED_APPS += examples/mount
+endif
+
+ifeq ($(CONFIG_EXAMPLES_NETTEST),y)
+CONFIGURED_APPS += examples/nettest
+endif
+
+ifeq ($(CONFIG_EXAMPLES_NSH),y)
+CONFIGURED_APPS += examples/nsh
+endif
+
+ifeq ($(CONFIG_EXAMPLES_NULL),y)
+CONFIGURED_APPS += examples/null
+endif
+
+ifeq ($(CONFIG_EXAMPLES_NX),y)
+CONFIGURED_APPS += examples/nx
+endif
+
+ifeq ($(CONFIG_EXAMPLES_NXCONSOLE),y)
+CONFIGURED_APPS += examples/nxconsole
+endif
+
+ifeq ($(CONFIG_EXAMPLES_NXFFS),y)
+CONFIGURED_APPS += examples/nxffs
+endif
+
+ifeq ($(CONFIG_EXAMPLES_NXFLAT),y)
+CONFIGURED_APPS += examples/nxflat
+endif
+
+ifeq ($(CONFIG_EXAMPLES_NXHELLO),y)
+CONFIGURED_APPS += examples/nxhello
+endif
+
+ifeq ($(CONFIG_EXAMPLES_NXIMAGE),y)
+CONFIGURED_APPS += examples/nximage
+endif
+
+ifeq ($(CONFIG_EXAMPLES_NXLINES),y)
+CONFIGURED_APPS += examples/nxlines
+endif
+
+ifeq ($(CONFIG_EXAMPLES_NXTEXT),y)
+CONFIGURED_APPS += examples/nxtext
+endif
+
+ifeq ($(CONFIG_EXAMPLES_OSTEST),y)
+CONFIGURED_APPS += examples/ostest
+endif
+
+ifeq ($(CONFIG_EXAMPLES_PASHELLO),y)
+CONFIGURED_APPS += examples/pashello
+endif
+
+ifeq ($(CONFIG_EXAMPLES_PIPE),y)
+CONFIGURED_APPS += examples/pipe
+endif
+
+ifeq ($(CONFIG_EXAMPLES_POLL),y)
+CONFIGURED_APPS += examples/poll
+endif
+
+ifeq ($(CONFIG_EXAMPLES_PWM),y)
+CONFIGURED_APPS += examples/pwm
+endif
+
+ifeq ($(CONFIG_EXAMPLES_QENCODER),y)
+CONFIGURED_APPS += examples/qencoder
+endif
+
+ifeq ($(CONFIG_EXAMPLES_RGMP),y)
+CONFIGURED_APPS += examples/rgmp
+endif
+
+ifeq ($(CONFIG_EXAMPLES_ROMFS),y)
+CONFIGURED_APPS += examples/romfs
+endif
+
+ifeq ($(CONFIG_EXAMPLES_SENDMAIL),y)
+CONFIGURED_APPS += examples/sendmail
+endif
+
+ifeq ($(CONFIG_EXAMPLES_SERLOOP),y)
+CONFIGURED_APPS += examples/serloop
+endif
+
+ifeq ($(CONFIG_EXAMPLES_TELNETD),y)
+CONFIGURED_APPS += examples/telnetd
+endif
+
+ifeq ($(CONFIG_EXAMPLES_THTTPD),y)
+CONFIGURED_APPS += examples/thttpd
+endif
+
+ifeq ($(CONFIG_EXAMPLES_TIFF),y)
+CONFIGURED_APPS += examples/tiff
+endif
+
+ifeq ($(CONFIG_EXAMPLES_TOUCHSCREEN),y)
+CONFIGURED_APPS += examples/touchscreen
+endif
+
+ifeq ($(CONFIG_EXAMPLES_UDP),y)
+CONFIGURED_APPS += examples/udp
+endif
+
+ifeq ($(CONFIG_EXAMPLES_UIP),y)
+CONFIGURED_APPS += examples/uip
+endif
+
+ifeq ($(CONFIG_EXAMPLES_USBSERIAL),y)
+CONFIGURED_APPS += examples/usbserial
+endif
+
+ifeq ($(CONFIG_EXAMPLES_USBMSC),y)
+CONFIGURED_APPS += examples/usbmsc
+endif
+
+ifeq ($(CONFIG_EXAMPLES_USBTERM),y)
+CONFIGURED_APPS += examples/usbterm
+endif
+
+ifeq ($(CONFIG_EXAMPLES_WGET),y)
+CONFIGURED_APPS += examples/wget
+endif
+
+ifeq ($(CONFIG_EXAMPLES_WLAN),y)
+CONFIGURED_APPS += examples/wlan
+endif
diff --git a/apps/graphics/Kconfig b/apps/graphics/Kconfig
index ae2bf3130..09d3b5491 100644
--- a/apps/graphics/Kconfig
+++ b/apps/graphics/Kconfig
@@ -2,3 +2,12 @@
 # For a description of the syntax of this configuration file,
 # see misc/tools/kconfig-language.txt.
 #
+
+config TIFF
+	bool "TIFF file generation utility"
+	default n
+	---help---
+		Enable support for the TIFF file generation program.
+
+if TIFF
+endif
diff --git a/apps/graphics/Make.defs b/apps/graphics/Make.defs
new file mode 100644
index 000000000..f17d36367
--- /dev/null
+++ b/apps/graphics/Make.defs
@@ -0,0 +1,40 @@
+############################################################################
+# apps/graaphics/Make.defs
+# Adds selected applications to apps/ build
+#
+#   Copyright (C) 2012 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name NuttX nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+
+if ($(CONFIG_TIFF),y)
+CONFIGURED_APPS += graphics/tiff
+endif
+
diff --git a/apps/interpreters/Kconfig b/apps/interpreters/Kconfig
index ae2bf3130..db5b5ff35 100644
--- a/apps/interpreters/Kconfig
+++ b/apps/interpreters/Kconfig
@@ -2,3 +2,20 @@
 # For a description of the syntax of this configuration file,
 # see misc/tools/kconfig-language.txt.
 #
+
+comment "Interpreters"
+
+source "$APPSDIR/interprets/hello/Kconfig"
+
+config PCODE
+	bool "Pascal p-code interpreter"
+	default n
+	---help---
+		Enable support for the Pascal p-code interpreter.  See README file at misc/pascal
+		and also the README.txt file in the apps/interpreter directory. Use of this
+		configuration implies that you have performed the required installation of the
+		Pascal run-time code.
+
+if PCODE
+endif
+
diff --git a/apps/interpreters/Make.defs b/apps/interpreters/Make.defs
new file mode 100644
index 000000000..36ee7004d
--- /dev/null
+++ b/apps/interpreters/Make.defs
@@ -0,0 +1,43 @@
+############################################################################
+# apps/interpreters/Make.defs
+# Adds selected applications to apps/ build
+#
+#   Copyright (C) 2012 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name NuttX nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+
+if ($(CONFIG_PCODE),y)
+CONFIGURED_APPS += interpreters/pcode
+endif
+
+if ($(CONFIG_FICL),y)
+CONFIGURED_APPS += interpreters/ficl
+endif
diff --git a/apps/interpreters/ficl/Kconfig b/apps/interpreters/ficl/Kconfig
index ae2bf3130..1860a1591 100644
--- a/apps/interpreters/ficl/Kconfig
+++ b/apps/interpreters/ficl/Kconfig
@@ -2,3 +2,15 @@
 # For a description of the syntax of this configuration file,
 # see misc/tools/kconfig-language.txt.
 #
+
+config FICL
+	bool "Ficl Forth interpreter"
+	default n
+	---help---
+		Enable support for the Ficl interpreter interpreter.  See README.txt file in the
+		apps/interpreters/ficl directory.  Use of this configuration assumes
+		that you have performed the required installation of the Ficl run-time code.
+
+if FICL
+endif
+
diff --git a/apps/namedapp/Kconfig b/apps/namedapp/Kconfig
index ae2bf3130..8d8f03421 100644
--- a/apps/namedapp/Kconfig
+++ b/apps/namedapp/Kconfig
@@ -2,3 +2,14 @@
 # For a description of the syntax of this configuration file,
 # see misc/tools/kconfig-language.txt.
 #
+
+config NAMEDAPP
+	bool "Support named applications"
+	default n
+	---help---
+		Enable support for named applications.  This features assigns a string
+		name to an application.  This feature is also the underlying requirement
+		to support built-in applications in the NuttShell (NSH).
+
+if NAMEDAPP
+endif
diff --git a/apps/namedapp/Make.defs b/apps/namedapp/Make.defs
new file mode 100644
index 000000000..a07b3b3c2
--- /dev/null
+++ b/apps/namedapp/Make.defs
@@ -0,0 +1,40 @@
+############################################################################
+# apps/namedapps/Make.defs
+# Adds selected applications to apps/ build
+#
+#   Copyright (C) 2012 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name NuttX nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+
+if ($(CONFIG_NAMEDAPP),y)
+CONFIGURED_APPS += namedapp
+endif
+
diff --git a/apps/netutils/Kconfig b/apps/netutils/Kconfig
index 6570af783..cd0cb84dd 100644
--- a/apps/netutils/Kconfig
+++ b/apps/netutils/Kconfig
@@ -3,6 +3,8 @@
 # see misc/tools/kconfig-language.txt.
 #
 
+comment "Networking Utilities"
+
 menu "DHCP client"
 source "$APPSDIR/netutils/dhcpc/Kconfig"
 endmenu
diff --git a/apps/netutils/Make.defs b/apps/netutils/Make.defs
new file mode 100644
index 000000000..3994da612
--- /dev/null
+++ b/apps/netutils/Make.defs
@@ -0,0 +1,83 @@
+############################################################################
+# apps/netutils/Make.defs
+# Adds selected applications to apps/ build
+#
+#   Copyright (C) 2012 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
+#
+# Redistribution and use in include and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of include code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name NuttX nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+
+if ($(CONFIG_NETUTILS_DHCPC),y)
+CONFIGURED_APPS += netutils/dhcpc
+endif
+
+if ($(CONFIG_NETUTILS_DHCPD),y)
+CONFIGURED_APPS += netutils/dhcpd
+endif
+
+if ($(CONFIG_NETUTILS_FTPC),y)
+CONFIGURED_APPS += netutils/ftpc
+endif
+
+if ($(CONFIG_NETUTILS_FTPD),y)
+CONFIGURED_APPS += netutils/ftpd
+endif
+
+if ($(CONFIG_NETUTILS_RESOLV),y)
+CONFIGURED_APPS += netutils/resolv
+endif
+
+if ($(CONFIG_NETUTILS_SMTP),y)
+CONFIGURED_APPS += netutils/smtp
+endif
+
+if ($(CONFIG_NETUTILS_TELNETD),y)
+CONFIGURED_APPS += netutils/telnetd
+endif
+
+if ($(CONFIG_NETUTILS_TFTPC),y)
+CONFIGURED_APPS += netutils/tftpc
+endif
+
+if ($(CONFIG_NETUTILS_THTTPD),y)
+CONFIGURED_APPS += netutils/thttpd
+endif
+
+if ($(CONFIG_NETUTILS_UIPLIB),y)
+CONFIGURED_APPS += netutils/uiplib
+endif
+
+if ($(CONFIG_NETUTILS_WEBCLIENT),y)
+CONFIGURED_APPS += netutils/webclient
+endif
+
+if ($(CONFIGNETUTILS_WEBSERVER),y)
+CONFIGURED_APPS += netutils/webserver
+endif
diff --git a/apps/netutils/dhcpc/Kconfig b/apps/netutils/dhcpc/Kconfig
index ae2bf3130..7453f2747 100644
--- a/apps/netutils/dhcpc/Kconfig
+++ b/apps/netutils/dhcpc/Kconfig
@@ -2,3 +2,12 @@
 # For a description of the syntax of this configuration file,
 # see misc/tools/kconfig-language.txt.
 #
+
+config NETUTILS_DHCPC
+	bool "DHCP client"
+	default n
+	---help---
+		Enable support for the DHCP client.
+
+if NETUTILS_DHCPC
+endif
diff --git a/apps/netutils/dhcpd/Kconfig b/apps/netutils/dhcpd/Kconfig
index ae2bf3130..0d3b89f24 100644
--- a/apps/netutils/dhcpd/Kconfig
+++ b/apps/netutils/dhcpd/Kconfig
@@ -2,3 +2,12 @@
 # For a description of the syntax of this configuration file,
 # see misc/tools/kconfig-language.txt.
 #
+
+config NETUTILS_DHCPD
+	bool "DHCP server"
+	default n
+	---help---
+		Enable support for the DHCP server.
+
+if NETUTILS_DHCPD
+endif
diff --git a/apps/netutils/ftpc/Kconfig b/apps/netutils/ftpc/Kconfig
index ae2bf3130..7a63001fa 100644
--- a/apps/netutils/ftpc/Kconfig
+++ b/apps/netutils/ftpc/Kconfig
@@ -2,3 +2,12 @@
 # For a description of the syntax of this configuration file,
 # see misc/tools/kconfig-language.txt.
 #
+
+config NETUTILS_FTPC
+	bool "FTP client"
+	default n
+	---help---
+		Enable support for the FTP client.
+
+if NETUTILS_FTPC
+endif
diff --git a/apps/netutils/ftpd/Kconfig b/apps/netutils/ftpd/Kconfig
index ae2bf3130..43fc70dbd 100644
--- a/apps/netutils/ftpd/Kconfig
+++ b/apps/netutils/ftpd/Kconfig
@@ -2,3 +2,12 @@
 # For a description of the syntax of this configuration file,
 # see misc/tools/kconfig-language.txt.
 #
+
+config NETUTILS_FTPD
+	bool "FTP server"
+	default n
+	---help---
+		Enable support for the FTP server.
+
+if NETUTILS_FTPD
+endif
diff --git a/apps/netutils/resolv/Kconfig b/apps/netutils/resolv/Kconfig
index 7e003f10b..3274889aa 100644
--- a/apps/netutils/resolv/Kconfig
+++ b/apps/netutils/resolv/Kconfig
@@ -3,8 +3,17 @@
 # see misc/tools/kconfig-language.txt.
 #
 
+config NETUTILS_RESOLV
+	bool "Name resolution"
+	default n
+	---help---
+		Enable support for the name resolution.
+
+if NETUTILS_RESOLV
 config NET_RESOLV_ENTRIES
 	int "Number of resolver entries"
 	default 8
 	---help---
 		Number of resolver entries.  Default: 8
+
+endif
\ No newline at end of file
diff --git a/apps/netutils/smtp/Kconfig b/apps/netutils/smtp/Kconfig
index ae2bf3130..99f4e4bd6 100644
--- a/apps/netutils/smtp/Kconfig
+++ b/apps/netutils/smtp/Kconfig
@@ -2,3 +2,12 @@
 # For a description of the syntax of this configuration file,
 # see misc/tools/kconfig-language.txt.
 #
+
+config NETUTILS_SMTP
+	bool "SMTP"
+	default n
+	---help---
+		Enable support for SMTP.
+
+if NETUTILS_SMTP
+endif
diff --git a/apps/netutils/telnetd/Kconfig b/apps/netutils/telnetd/Kconfig
index ae2bf3130..8df8e907b 100644
--- a/apps/netutils/telnetd/Kconfig
+++ b/apps/netutils/telnetd/Kconfig
@@ -2,3 +2,12 @@
 # For a description of the syntax of this configuration file,
 # see misc/tools/kconfig-language.txt.
 #
+
+config NETUTILS_TELNETD
+	bool "Telet daemon"
+	default n
+	---help---
+		Enable support for the Telnet daemon.
+
+if NETUTILS_TELNETD
+endif
diff --git a/apps/netutils/tftpc/Kconfig b/apps/netutils/tftpc/Kconfig
index ae2bf3130..e2edcd6ac 100644
--- a/apps/netutils/tftpc/Kconfig
+++ b/apps/netutils/tftpc/Kconfig
@@ -2,3 +2,12 @@
 # For a description of the syntax of this configuration file,
 # see misc/tools/kconfig-language.txt.
 #
+
+config NETUTILS_TFTPC
+	bool "TFTP client"
+	default n
+	---help---
+		Enable support for the TFTP client.
+
+if NETUTILS_TFTPC
+endif
diff --git a/apps/netutils/thttpd/Kconfig b/apps/netutils/thttpd/Kconfig
index ee630ee3b..8c73008ab 100644
--- a/apps/netutils/thttpd/Kconfig
+++ b/apps/netutils/thttpd/Kconfig
@@ -3,6 +3,13 @@
 # see misc/tools/kconfig-language.txt.
 #
 
+config NETUTILS_THTTPD
+	bool "THTTPD webserver"
+	default n
+	---help---
+		Enable support for the THTTPD webservert.
+
+if NETUTILS_TFTPC
 config THTTPD_PORT
 	int "THTTPD port number"
 	default 80
@@ -230,4 +237,4 @@ config THTTPD_URLPATTERN
 	---help---
 		If defined, then it will be used to match and verify referrers.
 
-
+endif
diff --git a/apps/netutils/uiplib/Kconfig b/apps/netutils/uiplib/Kconfig
index ae2bf3130..2eb098717 100644
--- a/apps/netutils/uiplib/Kconfig
+++ b/apps/netutils/uiplib/Kconfig
@@ -2,3 +2,12 @@
 # For a description of the syntax of this configuration file,
 # see misc/tools/kconfig-language.txt.
 #
+
+config NETUTILS_UIPLIB
+	bool "Network support library"
+	default n
+	---help---
+		Enable support for the network support library.
+
+if NETUTILS_UIPLIB
+endif
diff --git a/apps/netutils/webclient/Kconfig b/apps/netutils/webclient/Kconfig
index ae2bf3130..c53195d48 100644
--- a/apps/netutils/webclient/Kconfig
+++ b/apps/netutils/webclient/Kconfig
@@ -2,3 +2,12 @@
 # For a description of the syntax of this configuration file,
 # see misc/tools/kconfig-language.txt.
 #
+
+config NETUTILS_WEBCLIENT
+	bool "uIP web client"
+	default n
+	---help---
+		Enable support for the uIP web client.
+
+if NETUTILS_WEBCLIENT
+endif
diff --git a/apps/netutils/webserver/Kconfig b/apps/netutils/webserver/Kconfig
index ae2bf3130..2fb80fe95 100644
--- a/apps/netutils/webserver/Kconfig
+++ b/apps/netutils/webserver/Kconfig
@@ -2,3 +2,12 @@
 # For a description of the syntax of this configuration file,
 # see misc/tools/kconfig-language.txt.
 #
+
+config NETUTILS_WEBSERVER
+	bool "uIP web server"
+	default n
+	---help---
+		Enable support for the uIP web server.
+
+if NETUTILS_WEBSERVER
+endif
diff --git a/apps/nshlib/Kconfig b/apps/nshlib/Kconfig
index c363e6c0b..1f7b3d754 100644
--- a/apps/nshlib/Kconfig
+++ b/apps/nshlib/Kconfig
@@ -14,10 +14,12 @@ if NSH_LIBRARY
 config NSH_BUILTIN_APPS
 	bool "Enable built-in applications"
 	default y
+	depends on NAMEDAPP
 	---help---
 		Support external registered, "named" applications that can be
 		executed from the NSH command line (see apps/README.txt for
-		more information).
+		more information).  This options requires support for named applications
+		(NAMEDAPP).
 
 menu "Disable Individual commands"
 config NSH_DISABLE_CAT
diff --git a/apps/nshlib/Make.defs b/apps/nshlib/Make.defs
new file mode 100644
index 000000000..c72c09bce
--- /dev/null
+++ b/apps/nshlib/Make.defs
@@ -0,0 +1,40 @@
+############################################################################
+# apps/nshlib/Make.defs
+# Adds selected applications to apps/ build
+#
+#   Copyright (C) 2012 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name NuttX nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+
+if ($(CONFIG_NSH_LIBRARY),y)
+CONFIGURED_APPS += nshlib
+endif
+
diff --git a/apps/system/Make.defs b/apps/system/Make.defs
new file mode 100644
index 000000000..1ddabd337
--- /dev/null
+++ b/apps/system/Make.defs
@@ -0,0 +1,51 @@
+############################################################################
+# apps/system/Make.defs
+# Adds selected applications to apps/ build
+#
+#   Copyright (C) 2012 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name NuttX nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+
+if ($(CONFIG_VSN_POWEROFF),y)
+CONFIGURED_APPS += vsn/poweroff
+endif
+
+if ($(CONFIG_VSN_RAMTRON),y)
+CONFIGURED_APPS += vsn/ramtron
+endif
+
+if ($(CONFIG_VSN_SDCARD),y)
+CONFIGURED_APPS += vsn/sdcard
+endif
+
+if ($(CONFIG_VSN_SYSINFO),y)
+CONFIGURED_APPS += vsn/sysinfo
+endif
diff --git a/apps/system/free/Kconfig b/apps/system/free/Kconfig
index ae2bf3130..239559867 100644
--- a/apps/system/free/Kconfig
+++ b/apps/system/free/Kconfig
@@ -2,3 +2,13 @@
 # For a description of the syntax of this configuration file,
 # see misc/tools/kconfig-language.txt.
 #
+
+config SYSTEM_FREE
+	bool "NSH free command replacement"
+	default n
+	---help---
+		Enable support for the NSH free replacement command.
+
+if SYSTEM_FREE
+endif
+
diff --git a/apps/system/i2c/Kconfig b/apps/system/i2c/Kconfig
index 6922464f8..f21ee21c1 100644
--- a/apps/system/i2c/Kconfig
+++ b/apps/system/i2c/Kconfig
@@ -3,7 +3,15 @@
 # see misc/tools/kconfig-language.txt.
 #
 
-#if I2C
+
+config SYSTEM_I2CTOOL
+	bool "I2C tool"
+	default n
+	depends on I2C
+	---help---
+		Enable support for the I2C tool.
+
+if SYSTEM_I2CTOOL
 config I2CTOOL_BUILTIN
 	bool "NSH built-in command"
 	default y
@@ -47,4 +55,4 @@ config I2CTOOL_DEFFREQ
 	---help---
 		Default I2C frequency (default: 4000000)
 
-#endif
\ No newline at end of file
+endif
\ No newline at end of file
diff --git a/apps/system/install/Kconfig b/apps/system/install/Kconfig
index ae2bf3130..a48f67f20 100644
--- a/apps/system/install/Kconfig
+++ b/apps/system/install/Kconfig
@@ -2,3 +2,13 @@
 # For a description of the syntax of this configuration file,
 # see misc/tools/kconfig-language.txt.
 #
+
+config SYSTEM_INSTALL
+	bool "FLASH installation tool"
+	default n
+	---help---
+		Enable support for the FLASH installation tool.
+
+if SYSTEM_INSTALL
+endif
+
diff --git a/apps/system/readline/Kconfig b/apps/system/readline/Kconfig
index 11aedf0c3..a7467b15d 100644
--- a/apps/system/readline/Kconfig
+++ b/apps/system/readline/Kconfig
@@ -3,7 +3,13 @@
 # see misc/tools/kconfig-language.txt.
 #
 
-config READLINE_ECHO
+config SYSTEM_READLINE
+	bool "readline() support"
+	default n
+	---help---
+		Enable support for the readline() function.
+
+if SYSTEM_READLINE
 	bool "Echo character input"
 	default y
 	---help---
@@ -29,3 +35,4 @@ config EOL_IS_EITHER_CRLF
 	bool "EOL is CR or LF"
 
 endchoice
+endif
diff --git a/apps/vsn/Make.defs b/apps/vsn/Make.defs
new file mode 100644
index 000000000..a07b3b3c2
--- /dev/null
+++ b/apps/vsn/Make.defs
@@ -0,0 +1,40 @@
+############################################################################
+# apps/namedapps/Make.defs
+# Adds selected applications to apps/ build
+#
+#   Copyright (C) 2012 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name NuttX nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+
+if ($(CONFIG_NAMEDAPP),y)
+CONFIGURED_APPS += namedapp
+endif
+
diff --git a/apps/vsn/poweroff/Kconfig b/apps/vsn/poweroff/Kconfig
index ae2bf3130..d0059a0d3 100644
--- a/apps/vsn/poweroff/Kconfig
+++ b/apps/vsn/poweroff/Kconfig
@@ -2,3 +2,13 @@
 # For a description of the syntax of this configuration file,
 # see misc/tools/kconfig-language.txt.
 #
+
+config VSN_POWEROFF
+	bool "NSH poweroff command"
+	default n
+	---help---
+		Enable support for the NSH poweroff command.
+
+if VSN_POWEROFF
+endif
+
diff --git a/apps/vsn/ramtron/Kconfig b/apps/vsn/ramtron/Kconfig
index ae2bf3130..14f358921 100644
--- a/apps/vsn/ramtron/Kconfig
+++ b/apps/vsn/ramtron/Kconfig
@@ -2,3 +2,13 @@
 # For a description of the syntax of this configuration file,
 # see misc/tools/kconfig-language.txt.
 #
+
+config VSN_RAMTRON
+	bool "NSH ramtron command"
+	default n
+	---help---
+		Enable support for the NSH ramtron command.
+
+if VSN_RAMTRON
+endif
+
diff --git a/apps/vsn/sdcard/Kconfig b/apps/vsn/sdcard/Kconfig
index ae2bf3130..8e6c13264 100644
--- a/apps/vsn/sdcard/Kconfig
+++ b/apps/vsn/sdcard/Kconfig
@@ -2,3 +2,13 @@
 # For a description of the syntax of this configuration file,
 # see misc/tools/kconfig-language.txt.
 #
+
+config VSN_SDCARD
+	bool "NSH sdcard command"
+	default n
+	---help---
+		Enable support for the NSH sdcard command.
+
+if VSN_SDCARD
+endif
+
diff --git a/apps/vsn/sysinfo/Kconfig b/apps/vsn/sysinfo/Kconfig
index ae2bf3130..38e0f16be 100644
--- a/apps/vsn/sysinfo/Kconfig
+++ b/apps/vsn/sysinfo/Kconfig
@@ -2,3 +2,13 @@
 # For a description of the syntax of this configuration file,
 # see misc/tools/kconfig-language.txt.
 #
+
+config VSN_SYSINFO
+	bool "NSH sysinfo command"
+	default n
+	---help---
+		Enable support for the NSH sysinfo command.
+
+if VSN_SYSINFO
+endif
+
diff --git a/nuttx/configs/z16f2800100zcog/pashello/Make.defs b/nuttx/configs/z16f2800100zcog/pashello/Make.defs
index 36c4f5772..36c4f5772 100755..100644
--- a/nuttx/configs/z16f2800100zcog/pashello/Make.defs
+++ b/nuttx/configs/z16f2800100zcog/pashello/Make.defs