px4-firmware/nuttx/Makefile

636 lines
21 KiB
Makefile

############################################################################
# Makefile
#
# Copyright (C) 2007-2012 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.
#
############################################################################
TOPDIR := ${shell pwd | sed -e 's/ /\\ /g'}
-include ${TOPDIR}/.config
-include ${TOPDIR}/Make.defs
# Default tools
ifeq ($(DIRLINK),)
DIRLINK = $(TOPDIR)/tools/link.sh
DIRUNLINK = $(TOPDIR)/tools/unlink.sh
endif
# This define is passed as EXTRADEFINES for kernel-mode builds. It is also passed
# during PASS1 (but not PASS2) context and depend targets.
KDEFINE = ${shell $(TOPDIR)/tools/define.sh $(CC) __KERNEL__}
# Process architecture and board-specific directories
ARCH_DIR = arch/$(CONFIG_ARCH)
ARCH_SRC = $(ARCH_DIR)/src
ARCH_INC = $(ARCH_DIR)/include
BOARD_DIR = configs/$(CONFIG_ARCH_BOARD)
# Add-on directories. These may or may not be in place in the
# NuttX source tree (they must be specifically installed)
#
# CONFIG_APPS_DIR can be over-ridden from the command line or in the .config file.
# The default value of CONFIG_APPS_DIR is ../apps. Ultimately, the application
# will be built if APPDIR is defined. APPDIR will be defined if a directory containing
# a Makefile is found at the path provided by CONFIG_APPS_DIR
ifeq ($(CONFIG_APPS_DIR),)
CONFIG_APPS_DIR = ../apps
endif
APPDIR := ${shell if [ -r $(CONFIG_APPS_DIR)/Makefile ]; then echo "$(CONFIG_APPS_DIR)"; fi}
# All add-on directories.
#
# NUTTX_ADDONS is the list of directories built into the NuttX kernel.
# USER_ADDONS is the list of directories that will be built into the user application
NUTTX_ADDONS := $(NX_DIR)
USER_ADDONS :=
ifeq ($(CONFIG_NUTTX_KERNEL),y)
USER_ADDONS += $(APPDIR)
else
NUTTX_ADDONS += $(APPDIR)
endif
# Lists of build directories.
#
# FSDIRS depend on file descriptor support; NONFSDIRS do not (except for parts
# of FSDIRS). We will exclude FSDIRS from the build if file descriptor
# support is disabled
# CONTEXTDIRS include directories that have special, one-time pre-build
# requirements. Normally this includes things like auto-generation of
# configuration specific files or creation of configurable symbolic links
# USERDIRS - When NuttX is build is a monolithic kernel, this provides the
# list of directories that must be built
# OTHERDIRS - These are directories that are not built but probably should
# be cleaned to prevent garbarge from collecting in them when changing
# configurations.
NONFSDIRS = sched $(ARCH_SRC) $(NUTTX_ADDONS)
FSDIRS = fs drivers binfmt
CONTEXTDIRS = $(APPDIR)
USERDIRS =
ifeq ($(CONFIG_NUTTX_KERNEL),y)
NONFSDIRS += syscall
CONTEXTDIRS += syscall
USERDIRS += syscall lib mm $(USER_ADDONS)
ifeq ($(CONFIG_HAVE_CXX),y)
USERDIRS += libxx
endif
else
NONFSDIRS += lib mm
OTHERDIRS += syscall $(USER_ADDONS)
ifeq ($(CONFIG_HAVE_CXX),y)
NONFSDIRS += libxx
else
OTHERDIRS += libxx
endif
endif
ifeq ($(CONFIG_NX),y)
NONFSDIRS += graphics
CONTEXTDIRS += graphics
else
OTHERDIRS += graphics
endif
# CLEANDIRS are the directories that will clean in. These are
# all directories that we know about.
# KERNDEPDIRS are the directories in which we will build target dependencies.
# If NuttX and applications are built separately (CONFIG_NUTTX_KERNEL),
# then this holds only the directories containing kernel files.
# USERDEPDIRS. If NuttX and applications are built separately (CONFIG_NUTTX_KERNEL),
# then this holds only the directories containing user files.
CLEANDIRS = $(NONFSDIRS) $(FSDIRS) $(USERDIRS) $(OTHERDIRS)
KERNDEPDIRS = $(NONFSDIRS)
USERDEPDIRS = $(USERDIRS)
# Add file system directories to KERNDEPDIRS (they are already in CLEANDIRS)
ifeq ($(CONFIG_NFILE_DESCRIPTORS),0)
ifeq ($(CONFIG_NET),y)
ifneq ($(CONFIG_NSOCKET_DESCRIPTORS),0)
KERNDEPDIRS += fs
endif
KERNDEPDIRS += drivers
endif
else
KERNDEPDIRS += $(FSDIRS)
endif
# Add networking directories to KERNDEPDIRS and CLEANDIRS
ifeq ($(CONFIG_NET),y)
KERNDEPDIRS += net
endif
CLEANDIRS += net
#
# Extra objects used in the final link.
#
# Pass 1 1ncremental (relative) link objects should be put into the
# processor-specific source directory (where other link objects will
# be created). If the pass1 obect is an archive, it could go anywhere.
ifeq ($(CONFIG_BUILD_2PASS),y)
EXTRA_OBJS += $(CONFIG_PASS1_OBJECT)
endif
# NUTTXLIBS is the list of NuttX libraries that is passed to the
# processor-specific Makefile to build the final NuttX target.
# Libraries in FSDIRS are excluded if file descriptor support
# is disabled.
# USERLIBS is the list of libraries used to build the final user-space
# application
NUTTXLIBS = sched/libsched$(LIBEXT) $(ARCH_SRC)/libarch$(LIBEXT)
USERLIBS =
# Add libraries for syscall support. The C library will be needed by
# both the kernel- and user-space builds. For now, the memory manager (mm)
# is placed in user space (only).
ifeq ($(CONFIG_NUTTX_KERNEL),y)
NUTTXLIBS += syscall/libstubs$(LIBEXT) lib/libklib$(LIBEXT)
USERLIBS += syscall/libproxies$(LIBEXT) lib/libulib$(LIBEXT) mm/libmm$(LIBEXT)
else
NUTTXLIBS += mm/libmm$(LIBEXT) lib/liblib$(LIBEXT)
endif
# Add libraries for C++ support. CXX, CXXFLAGS, and COMPILEXX must
# be defined in Make.defs for this to work!
ifeq ($(CONFIG_HAVE_CXX),y)
ifeq ($(CONFIG_NUTTX_KERNEL),y)
USERLIBS += libxx/liblibxx$(LIBEXT)
else
NUTTXLIBS += libxx/liblibxx$(LIBEXT)
endif
endif
# Add library for application support.
ifneq ($(APPDIR),)
ifeq ($(CONFIG_NUTTX_KERNEL),y)
USERLIBS += $(APPDIR)/libapps$(LIBEXT)
else
NUTTXLIBS += $(APPDIR)/libapps$(LIBEXT)
endif
endif
# Add libraries for network support
ifeq ($(CONFIG_NET),y)
NUTTXLIBS += net/libnet$(LIBEXT)
endif
# Add libraries for file system support
ifeq ($(CONFIG_NFILE_DESCRIPTORS),0)
ifneq ($(CONFIG_NSOCKET_DESCRIPTORS),0)
NUTTXLIBS += fs/libfs$(LIBEXT)
endif
ifeq ($(CONFIG_NET),y)
NUTTXLIBS += drivers/libdrivers$(LIBEXT)
endif
else
NUTTXLIBS += fs/libfs$(LIBEXT) drivers/libdrivers$(LIBEXT) binfmt/libbinfmt$(LIBEXT)
endif
# Add libraries for the NX graphics sub-system
ifneq ($(NX_DIR),)
NUTTXLIBS += $(NX_DIR)/libnx$(LIBEXT)
endif
ifeq ($(CONFIG_NX),y)
NUTTXLIBS += graphics/libgraphics$(LIBEXT)
endif
# This is the name of the final target (relative to the top level directorty)
BIN = nuttx$(EXEEXT)
all: $(BIN)
.PHONY: context clean_context check_context export subdir_clean clean subdir_distclean distclean apps_clean apps_distclean
# Target used to copy include/nuttx/math.h. If CONFIG_ARCH_MATH_H is
# defined, then there is an architecture specific math.h header file
# that will be included indirectly from include/math.h. But first, we
# have to copy math.h from include/nuttx/. to include/.
ifeq ($(CONFIG_ARCH_MATH_H),y)
include/math.h: include/nuttx/math.h
@cp -f include/nuttx/math.h include/math.h
else
include/math.h:
endif
# Target used to copy include/nuttx/stdarg.h. If CONFIG_ARCH_STDARG_H is
# defined, then there is an architecture specific stdarg.h header file
# that will be included indirectly from include/stdarg.h. But first, we
# have to copy stdarg.h from include/nuttx/. to include/.
ifeq ($(CONFIG_ARCH_STDARG_H),y)
include/stdarg.h: include/nuttx/stdarg.h
@cp -f include/nuttx/stdarg.h include/stdarg.h
else
include/stdarg.h:
endif
# Targets used to build include/nuttx/version.h. Creation of version.h is
# part of the overall NuttX configuration sequence. Notice that the
# tools/mkversion tool is built and used to create include/nuttx/version.h
tools/mkversion:
@$(MAKE) -C tools -f Makefile.host TOPDIR="$(TOPDIR)" mkversion
$(TOPDIR)/.version:
@if [ ! -f .version ]; then \
echo "No .version file found, creating one"; \
tools/version.sh -v 0.0 -b 0 .version; \
chmod 755 .version; \
fi
include/nuttx/version.h: $(TOPDIR)/.version tools/mkversion
@tools/mkversion $(TOPDIR) > include/nuttx/version.h
# Targets used to build include/nuttx/config.h. Creation of config.h is
# part of the overall NuttX configuration sequence. Notice that the
# tools/mkconfig tool is built and used to create include/nuttx/config.h
tools/mkconfig:
@$(MAKE) -C tools -f Makefile.host TOPDIR="$(TOPDIR)" mkconfig
include/nuttx/config.h: $(TOPDIR)/.config tools/mkconfig
@tools/mkconfig $(TOPDIR) > include/nuttx/config.h
# dirlinks, and helpers
#
# Directories links. Most of establishing the NuttX configuration involves
# setting up symbolic links with 'generic' directory names to specific,
# configured directories.
#
# Link the apps/include directory to include/apps
include/apps: Make.defs
ifneq ($(APPDIR),)
@if [ -d $(TOPDIR)/$(APPDIR)/include ]; then \
$(DIRLINK) $(TOPDIR)/$(APPDIR)/include include/apps; \
fi
endif
# Link the arch/<arch-name>/include directory to include/arch
include/arch: Make.defs
@$(DIRLINK) $(TOPDIR)/$(ARCH_DIR)/include include/arch
# Link the configs/<board-name>/include directory to include/arch/board
include/arch/board: include/arch Make.defs include/arch
@$(DIRLINK) $(TOPDIR)/$(BOARD_DIR)/include include/arch/board
# Link the configs/<board-name>/src dir to arch/<arch-name>/src/board
$(ARCH_SRC)/board: Make.defs
@$(DIRLINK) $(TOPDIR)/$(BOARD_DIR)/src $(ARCH_SRC)/board
# Link arch/<arch-name>/include/<chip-name> to arch/<arch-name>/include/chip
$(ARCH_SRC)/chip: Make.defs
ifneq ($(CONFIG_ARCH_CHIP),)
@$(DIRLINK) $(TOPDIR)/$(ARCH_SRC)/$(CONFIG_ARCH_CHIP) $(ARCH_SRC)/chip
endif
# Link arch/<arch-name>/src/<chip-name> to arch/<arch-name>/src/chip
include/arch/chip: include/arch Make.defs
ifneq ($(CONFIG_ARCH_CHIP),)
@$(DIRLINK) $(TOPDIR)/$(ARCH_INC)/$(CONFIG_ARCH_CHIP) include/arch/chip
endif
dirlinks: include/arch include/arch/board include/arch/chip $(ARCH_SRC)/board $(ARCH_SRC)/chip include/apps
# context
#
# The context target is invoked on each target build to assure that NuttX is
# properly configured. The basic configuration steps include creation of the
# the config.h and version.h header files in the include/nuttx directory and
# the establishment of symbolic links to configured directories.
context: check_context include/nuttx/config.h include/nuttx/version.h include/math.h include/stdarg.h dirlinks
@for dir in $(CONTEXTDIRS) ; do \
$(MAKE) -C $$dir TOPDIR="$(TOPDIR)" context; \
done
# clean_context
#
# This is part of the distclean target. It removes all of the header files
# and symbolic links created by the context target.
clean_context:
@rm -f include/nuttx/config.h
@rm -f include/nuttx/version.h
@rm -f include/math.h
@rm -f include/stdarg.h
@$(DIRUNLINK) include/arch/board
@$(DIRUNLINK) include/arch/chip
@$(DIRUNLINK) include/arch
@$(DIRUNLINK) $(ARCH_SRC)/board
@$(DIRUNLINK) $(ARCH_SRC)/chip
@$(DIRUNLINK) include/apps
# check_context
#
# This target checks if NuttX has been configured. NuttX is configured using
# the script tools/configure.sh. That script will install certain files in
# the top-level NuttX build directory. This target verifies that those
# configuration files have been installed and that NuttX is ready to be built.
check_context:
@if [ ! -e ${TOPDIR}/.config -o ! -e ${TOPDIR}/Make.defs ]; then \
echo "" ; echo "Nuttx has not been configured:" ; \
echo " cd tools; ./configure.sh <target>" ; echo "" ; \
exit 1 ; \
fi
# Archive targets. The target build sequency will first create a series of
# libraries, one per configured source file directory. The final NuttX
# execution will then be built from those libraries. The following targets
# built those libraries.
#
# Possible kernel-mode builds
lib/libklib$(LIBEXT): context
@$(MAKE) -C lib TOPDIR="$(TOPDIR)" libklib$(LIBEXT) EXTRADEFINES=$(KDEFINE)
sched/libsched$(LIBEXT): context
@$(MAKE) -C sched TOPDIR="$(TOPDIR)" libsched$(LIBEXT) EXTRADEFINES=$(KDEFINE)
$(ARCH_SRC)/libarch$(LIBEXT): context
@$(MAKE) -C $(ARCH_SRC) TOPDIR="$(TOPDIR)" libarch$(LIBEXT) EXTRADEFINES=$(KDEFINE)
net/libnet$(LIBEXT): context
@$(MAKE) -C net TOPDIR="$(TOPDIR)" libnet$(LIBEXT) EXTRADEFINES=$(KDEFINE)
fs/libfs$(LIBEXT): context
@$(MAKE) -C fs TOPDIR="$(TOPDIR)" libfs$(LIBEXT) EXTRADEFINES=$(KDEFINE)
drivers/libdrivers$(LIBEXT): context
@$(MAKE) -C drivers TOPDIR="$(TOPDIR)" libdrivers$(LIBEXT) EXTRADEFINES=$(KDEFINE)
binfmt/libbinfmt$(LIBEXT): context
@$(MAKE) -C binfmt TOPDIR="$(TOPDIR)" libbinfmt$(LIBEXT) EXTRADEFINES=$(KDEFINE)
graphics/libgraphics$(LIBEXT): context
@$(MAKE) -C graphics TOPDIR="$(TOPDIR)" libgraphics$(LIBEXT) EXTRADEFINES=$(KDEFINE)
syscall/libstubs$(LIBEXT): context
@$(MAKE) -C syscall TOPDIR="$(TOPDIR)" libstubs$(LIBEXT) EXTRADEFINES=$(KDEFINE)
# Possible user-mode builds
lib/libulib$(LIBEXT): context
@$(MAKE) -C lib TOPDIR="$(TOPDIR)" libulib$(LIBEXT)
libxx/liblibxx$(LIBEXT): context
@$(MAKE) -C libxx TOPDIR="$(TOPDIR)" liblibxx$(LIBEXT)
mm/libmm$(LIBEXT): context
@$(MAKE) -C mm TOPDIR="$(TOPDIR)" libmm$(LIBEXT) EXTRADEFINES=$(KDEFINE)
$(APPDIR)/libapps$(LIBEXT): context
@$(MAKE) -C $(APPDIR) TOPDIR="$(TOPDIR)" libapps$(LIBEXT)
syscall/libproxies$(LIBEXT): context
@$(MAKE) -C syscall TOPDIR="$(TOPDIR)" libproxies$(LIBEXT)
# Possible non-kernel builds
lib/liblib$(LIBEXT): context
@$(MAKE) -C lib TOPDIR="$(TOPDIR)" liblib$(LIBEXT)
# pass1 and pass2
#
# If the 2 pass build option is selected, then this pass1 target is
# configured to built before the pass2 target. This pass1 target may, as an
# example, build an extra link object (CONFIG_PASS1_OBJECT) which may be an
# incremental (relative) link object, but could be a static library (archive);
# some modification to this Makefile would be required if CONFIG_PASS1_OBJECT
# is an archive. Exactly what is performed during pass1 or what it generates
# is unknown to this makefule unless CONFIG_PASS1_OBJECT is defined.
pass1deps: context pass1dep $(USERLIBS)
pass1: pass1deps
ifeq ($(CONFIG_BUILD_2PASS),y)
@if [ -z "$(CONFIG_PASS1_BUILDIR)" ]; then \
echo "ERROR: CONFIG_PASS1_BUILDIR not defined"; \
exit 1; \
fi
@if [ ! -d "$(CONFIG_PASS1_BUILDIR)" ]; then \
echo "ERROR: CONFIG_PASS1_BUILDIR does not exist"; \
exit 1; \
fi
@if [ ! -f "$(CONFIG_PASS1_BUILDIR)/Makefile" ]; then \
echo "ERROR: No Makefile in CONFIG_PASS1_BUILDIR"; \
exit 1; \
fi
@$(MAKE) -C $(CONFIG_PASS1_BUILDIR) TOPDIR="$(TOPDIR)" LINKLIBS="$(NUTTXLIBS)" USERLIBS="$(USERLIBS)" "$(CONFIG_PASS1_TARGET)"
endif
pass2deps: context pass2dep $(NUTTXLIBS)
pass2: pass2deps
@$(MAKE) -C $(ARCH_SRC) TOPDIR="$(TOPDIR)" EXTRA_OBJS="$(EXTRA_OBJS)" LINKLIBS="$(NUTTXLIBS)" EXTRADEFINES=$(KDEFINE) $(BIN)
@if [ -w /tftpboot ] ; then \
cp -f $(BIN) /tftpboot/$(BIN).${CONFIG_ARCH}; \
fi
ifeq ($(CONFIG_RRLOAD_BINARY),y)
@echo "MK: $(BIN).rr"
@$(TOPDIR)/tools/mkimage.sh --Prefix $(CROSSDEV) $(BIN) $(BIN).rr
@if [ -w /tftpboot ] ; then \
cp -f $(BIN).rr /tftpboot/$\(BIN).rr.$(CONFIG_ARCH); \
fi
endif
ifeq ($(CONFIG_INTELHEX_BINARY),y)
@echo "CP: $(BIN).hex"
@$(OBJCOPY) $(OBJCOPYARGS) -O ihex $(BIN) $(BIN).hex
endif
ifeq ($(CONFIG_MOTOROLA_SREC),y)
@echo "CP: $(BIN).srec"
@$(OBJCOPY) $(OBJCOPYARGS) -O srec $(BIN) $(BIN).srec
endif
ifeq ($(CONFIG_RAW_BINARY),y)
@echo "CP: $(BIN).bin"
@$(OBJCOPY) $(OBJCOPYARGS) -O binary $(BIN) $(BIN).bin
endif
# $(BIN)
#
# Create the final NuttX executable in a two pass build process. In the
# normal case, all pass1 and pass2 dependencies are created then pass1
# and pass2 targets are built. However, in some cases, you may need to build
# pass1 depenencies and pass1 first, then build pass2 dependencies and pass2.
# in that case, execute 'make pass1 pass2' from the command line.
$(BIN): pass1deps pass2deps pass1 pass2
# download
#
# This is a helper target that will rebuild NuttX and download it to the target
# system in one step. The operation of this target depends completely upon
# implementation of the DOWNLOAD command in the user Make.defs file. It will
# generate an error an error if the DOWNLOAD command is not defined.
download: $(BIN)
$(call DOWNLOAD, $<)
# pass1dep: Create pass1 build dependencies
# pass2dep: Create pass2 build dependencies
pass1dep: context
@for dir in $(USERDEPDIRS) ; do \
$(MAKE) -C $$dir TOPDIR="$(TOPDIR)" depend ; \
done
pass2dep: context
@for dir in $(KERNDEPDIRS) ; do \
$(MAKE) -C $$dir TOPDIR="$(TOPDIR)" EXTRADEFINES=$(KDEFINE) depend; \
done
# Configuration targets
#
# These targets depend on the kconfig-frontends packages. To use these, you
# must first download and install the kconfig-frontends package from this
# location: http://ymorin.is-a-geek.org/projects/kconfig-frontends. See
# misc/tools/README.txt for additional information.
config:
@APPSDIR=${CONFIG_APPS_DIR} conf Kconfig
oldconfig:
@APPSDIR=${CONFIG_APPS_DIR} conf --oldconfig Kconfig
menuconfig:
@APPSDIR=${CONFIG_APPS_DIR} mconf Kconfig
# export
#
# The export target will package the NuttX libraries and header files into
# an exportable package. Caveats: (1) These needs some extension for the KERNEL
# build; it needs to receive USERLIBS and create a libuser.a). (2) The logic
# in tools/mkexport.sh only supports GCC and, for example, explicitly assumes
# that the archiver is 'ar'
export: pass2deps
@tools/mkexport.sh -w$(WINTOOL) -t "$(TOPDIR)" -l "$(NUTTXLIBS)"
# General housekeeping targets: dependencies, cleaning, etc.
#
# depend: Create both PASS1 and PASS2 dependencies
# clean: Removes derived object files, archives, executables, and
# temporary files, but retains the configuration and context
# files and directories.
# distclean: Does 'clean' then also removes all configuration and context
# files. This essentially restores the directory structure
# to its original, unconfigured stated.
depend: pass1dep pass2dep
subdir_clean:
@for dir in $(CLEANDIRS) ; do \
if [ -e $$dir/Makefile ]; then \
$(MAKE) -C $$dir TOPDIR="$(TOPDIR)" clean ; \
fi \
done
@$(MAKE) -C tools -f Makefile.host TOPDIR="$(TOPDIR)" clean
@$(MAKE) -C mm -f Makefile.test TOPDIR="$(TOPDIR)" clean
ifeq ($(CONFIG_BUILD_2PASS),y)
@$(MAKE) -C $(CONFIG_PASS1_BUILDIR) TOPDIR="$(TOPDIR)" clean
endif
clean: subdir_clean
@rm -f $(BIN) nuttx.* mm_test *.map _SAVED_APPS_config *~
@rm -f nuttx-export*
subdir_distclean:
@for dir in $(CLEANDIRS) ; do \
if [ -e $$dir/Makefile ]; then \
$(MAKE) -C $$dir TOPDIR="$(TOPDIR)" distclean ; \
fi \
done
distclean: clean subdir_distclean clean_context
ifeq ($(CONFIG_BUILD_2PASS),y)
@$(MAKE) -C $(CONFIG_PASS1_BUILDIR) TOPDIR="$(TOPDIR)" distclean
endif
@rm -f Make.defs setenv.sh .config
# Application housekeeping targets. The APPDIR variable refers to the user
# application directory. A sample apps/ directory is included with NuttX,
# however, this is not treated as part of NuttX and may be replaced with a
# different application directory. For the most part, the application
# directory is treated like any other build directory in this script. However,
# as a convenience, the following targets are included to support housekeeping
# functions in the user application directory from the NuttX build directory.
#
# apps_clean: Perform the clean operation only in the user application
# directory
# apps_distclean: Perform the distclean operation only in the user application
# directory. Note that the apps/.config file is preserved
# so that this is not a "full" distclean but more of a
# configuration "reset."
apps_clean:
ifneq ($(APPDIR),)
@$(MAKE) -C "$(TOPDIR)/$(APPDIR)" TOPDIR="$(TOPDIR)" clean
endif
apps_distclean:
ifneq ($(APPDIR),)
@cp "$(TOPDIR)/$(APPDIR)/.config" _SAVED_APPS_config || \
{ echo "Copy of $(APPDIR)/.config failed" ; exit 1 ; }
@$(MAKE) -C "$(TOPDIR)/$(APPDIR)" TOPDIR="$(TOPDIR)" distclean
@mv _SAVED_APPS_config "$(TOPDIR)/$(APPDIR)/.config" || \
{ echo "Copy of _SAVED_APPS_config failed" ; exit 1 ; }
endif