############################################################
# Makefile
#
# Copyright (C) 2007 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <spudmonkey@racsa.co.cr>
#
# 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 Gregory Nutt 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 ${TOPDIR}/Make.defs
# Process architecture and board-specific directories
ARCH_DIR = arch/$(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)
PCODE_DIR := ${shell if [ -r pcode/Makefile ]; then echo "pcode"; fi}
# 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
NONFSDIRS = sched lib $(ARCH_SRC) mm examples/$(CONFIG_EXAMPLE) $(PCODE_DIR)
FSDIRS = fs drivers
ifeq ($(CONFIG_NET),y)
NONFSDIRS += net netutils
endif
# CLEANDIRS are the directories that will clean in. These are
# all directories that we know about.
# MAKEDIRS are the directories in which we will build targets
CLEANDIRS = $(NONFSDIRS) $(FSDIRS)
MAKEDIRS = $(NONFSDIRS)
ifeq ($(CONFIG_NFILE_DESCRIPTORS),0)
ifneq ($(CONFIG_NSOCKET_DESCRIPTORS),0)
MAKEDIRS += fs
endif
ifeq ($(CONFIG_NET),y)
MAKEDIRS += drivers
endif
else
MAKEDIRS += $(FSDIRS)
endif
# LINKLIBS is the list of NuttX libraries that is passed to the
# processor-specific Makefile to build the final target.
# Libraries in FSDIRS are excluded if file descriptor support
# is disabled.
LINKLIBS = sched/libsched$(LIBEXT) $(ARCH_SRC)/libarch$(LIBEXT) mm/libmm$(LIBEXT) \
lib/liblib$(LIBEXT) examples/$(CONFIG_EXAMPLE)/lib$(CONFIG_EXAMPLE)$(LIBEXT)
ifeq ($(CONFIG_NET),y)
LINKLIBS += net/libnet$(LIBEXT) netutils/libnetutils$(LIBEXT)
endif
ifeq ($(CONFIG_NFILE_DESCRIPTORS),0)
ifneq ($(CONFIG_NSOCKET_DESCRIPTORS),0)
LINKLIBS += fs/libfs$(LIBEXT)
endif
ifeq ($(CONFIG_NET),y)
LINKLIBS += drivers/libdrivers$(LIBEXT)
endif
else
LINKLIBS += fs/libfs$(LIBEXT) drivers/libdrivers$(LIBEXT)
endif
ifneq ($(PCODE_DIR),)
LINKLIBS += pcode/libpcode$(LIBEXT)
endif
# This is the name of the final target
BIN = nuttx$(EXEEXT)
all: $(BIN)
.PHONY: clean context clean_context distclean
# Build the mkconfig tool used to create include/nuttx/config.h
tools/mkconfig:
$(MAKE) -C tools -f Makefile.mkconfig TOPDIR=$(TOPDIR) mkconfig
# Create the include/nuttx/config.h file
include/nuttx/config.h: $(TOPDIR)/.config tools/mkconfig
tools/mkconfig $(TOPDIR) > include/nuttx/config.h
# link the arch/<arch-name>/include dir to include/arch
include/arch: Make.defs
@if [ -h include/arch ]; then \
rm -f include/arch ; \
else \
if [ -e include/arch ]; then \
echo "include/arch exists but is not a symbolic link" ; \
exit 1 ; \
fi ; \
fi
@ln -s $(TOPDIR)/$(ARCH_DIR)/include include/arch
# Link the configs/<board-name>/include dir to include/arch/board
include/arch/board: Make.defs include/arch
@if [ -h include/arch/board ]; then \
rm -f include/arch/board ; \
else \
if [ -e include/arch/board ]; then \
echo "include/arch/board exists but is not a symbolic link" ; \
exit 1 ; \
fi ; \
fi
@ln -s $(TOPDIR)/$(BOARD_DIR)/include include/arch/board
# Link the configs/<board-name>/src dir to arch/<arch-name>/src/board
$(ARCH_SRC)/board: Make.defs
@if [ -h $(ARCH_SRC)/board ]; then \
rm -f $(ARCH_SRC)/board ; \
else \
if [ -e $(ARCH_SRC)/board ]; then \
echo "$(ARCH_SRC)/board exists but is not a symbolic link" ; \
exit 1 ; \
fi ; \
fi
@ln -s $(TOPDIR)/$(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),)
@if [ -h $(ARCH_SRC)/chip ]; then \
rm -f $(ARCH_SRC)/chip ; \
else \
if [ -e $(ARCH_SRC)/chip ]; then \
echo "$(ARCH_SRC)/chip exists but is not a symbolic link" ; \
exit 1 ; \
fi ; \
fi
@ln -s $(CONFIG_ARCH_CHIP) $(ARCH_SRC)/chip
endif
# Link arch/<arch-name>/src/<chip-name> to arch/<arch-name>/src/chip
$(ARCH_INC)/chip: Make.defs
ifneq ($(CONFIG_ARCH_CHIP),)
@if [ -e $(ARCH_INC)/chip ]; then \
if [ -h $(ARCH_INC)/chip ]; then \
rm -f $(ARCH_INC)/chip ; \
else \
echo "$(ARCH_INC)/chip exists but is not a symbolic link" ; \
exit 1 ; \
fi ; \
fi
@ln -s $(CONFIG_ARCH_CHIP) $(ARCH_INC)/chip
endif
dirlinks: include/arch include/arch/board $(ARCH_SRC)/board $(ARCH_SRC)/chip $(ARCH_INC)/chip
context: check_context include/nuttx/config.h dirlinks
clean_context:
@rm -f include/nuttx/config.h include/arch
@if [ -h include/arch ]; then rm -f include/arch ; fi
@if [ -h $(ARCH_INC)/board ]; then rm -f $(ARCH_INC)/board ; fi
@if [ -h $(ARCH_SRC)/board ]; then rm -f $(ARCH_SRC)/board ; fi
@if [ -h $(ARCH_INC)/chip ]; then rm -f $(ARCH_INC)/chip ; fi
@if [ -h $(ARCH_SRC)/chip ]; then rm -f $(ARCH_SRC)/chip ; fi
check_context:
@if [ ! -e ${TOPDIR}/.config -o ! -e ${TOPDIR}/Make.defs ]; then \
echo "" ; echo "Nuttx has not been configured:" ; \
echo " cd tools; ./configure.sh <target>\n" ; echo "" ;\
exit 1 ; \
fi
sched/libsched$(LIBEXT): context
$(MAKE) -C sched TOPDIR=$(TOPDIR) libsched$(LIBEXT)
lib/liblib$(LIBEXT): context
$(MAKE) -C lib TOPDIR=$(TOPDIR) liblib$(LIBEXT)
$(ARCH_SRC)/libarch$(LIBEXT): context
$(MAKE) -C $(ARCH_SRC) TOPDIR=$(TOPDIR) libarch$(LIBEXT)
mm/libmm$(LIBEXT): context
$(MAKE) -C mm TOPDIR=$(TOPDIR) libmm$(LIBEXT)
net/libnet$(LIBEXT): context
$(MAKE) -C net TOPDIR=$(TOPDIR) libnet$(LIBEXT)
netutils/libnetutils$(LIBEXT): context
$(MAKE) -C netutils TOPDIR=$(TOPDIR) libnetutils$(LIBEXT)
fs/libfs$(LIBEXT): context
$(MAKE) -C fs TOPDIR=$(TOPDIR) libfs$(LIBEXT)
drivers/libdrivers$(LIBEXT): context
$(MAKE) -C drivers TOPDIR=$(TOPDIR) libdrivers$(LIBEXT)
pcode/libpcode$(LIBEXT): context
$(MAKE) -C pcode TOPDIR=$(TOPDIR) libpcode$(LIBEXT)
examples/$(CONFIG_EXAMPLE)/lib$(CONFIG_EXAMPLE)$(LIBEXT): context
$(MAKE) -C examples/$(CONFIG_EXAMPLE) TOPDIR=$(TOPDIR) lib$(CONFIG_EXAMPLE)$(LIBEXT)
$(BIN): context depend $(LINKLIBS)
$(MAKE) -C $(ARCH_SRC) TOPDIR=$(TOPDIR) LINKLIBS="$(LINKLIBS)" $(BIN)
depend:
@for dir in $(MAKEDIRS) ; do \
$(MAKE) -C $$dir TOPDIR=$(TOPDIR) depend ; \
done
subdir_clean:
@for dir in $(CLEANDIRS) ; do \
if [ -e $$dir/Makefile ]; then \
$(MAKE) -C $$dir TOPDIR=$(TOPDIR) clean ; \
fi \
done
$(MAKE) -C tools -f Makefile.mkconfig TOPDIR=$(TOPDIR) clean
$(MAKE) -C mm -f Makefile.test TOPDIR=$(TOPDIR) clean
clean: subdir_clean
rm -f $(BIN) $(BIN).* mm_test *.map *~
subdir_distclean:
@for dir in $(CLEANDIRS) ; do \
if [ -e $$dir/Makefile ]; then \
$(MAKE) -C $$dir TOPDIR=$(TOPDIR) distclean ; \
fi \
done
distclean: clean subdir_distclean clean_context
rm -f Make.defs setenv.sh .config
