nuttx-apps/examples/module/drivers/Makefile

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############################################################################
# apps/examples/module/drivers/Makefile
#
# Copyright (C) 2015, 2017-2018 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.
#
############################################################################
-include $(TOPDIR)/.config
-include $(TOPDIR)/Make.defs
include $(APPDIR)/Make.defs
ALL_SUBDIRS = chardev
BUILD_SUBDIRS = chardev
FSIMG_SUBDIR = fsroot
MODULE_DIR = $(APPDIR)/examples/module
DRIVER_DIR = $(MODULE_DIR)/drivers
FSROOT_DIR = $(DRIVER_DIR)/fsroot
SYMTAB_SRC = $(DRIVER_DIR)/mod_symtab.c
ifeq ($(CONFIG_EXAMPLES_MODULE_ROMFS),y)
ROMFS_IMG = $(DRIVER_DIR)/romfs.img
FSIMG_HDR = $(DRIVER_DIR)/romfs.h
else ifeq ($(CONFIG_EXAMPLES_MODULE_CROMFS),y)
NXTOOLDIR = $(TOPDIR)/tools
GENCROMFSSRC = gencromfs.c
GENCROMFSEXE = gencromfs$(EXEEXT)
FSIMG_HDR = $(DRIVER_DIR)/cromfs.h
endif
define DIR_template
$(1)_$(2):
$(Q) $(MAKE) -C $(1) $(3) TOPDIR="$(TOPDIR)" APPDIR="$(APPDIR)" FSROOT_DIR="$(FSROOT_DIR)" CROSSDEV=$(CROSSDEV)
endef
all: $(FSIMG_HDR) $(DIRLIST_HDR) $(SYMTAB_SRC)
.PHONY: all build clean install populate
.PRECIOUS: ../../../libapps$(LIBEXT)
$(foreach DIR, $(BUILD_SUBDIRS), $(eval $(call DIR_template,$(DIR),build, all)))
$(foreach DIR, $(ALL_SUBDIRS), $(eval $(call DIR_template,$(DIR),clean,clean)))
$(foreach DIR, $(BUILD_SUBDIRS), $(eval $(call DIR_template,$(DIR),install,install)))
# Build program(s) in each sud-directory
build: $(foreach DIR, $(BUILD_SUBDIRS), $(DIR)_build)
# Install each program in the fsroot directory
install: $(foreach DIR, $(BUILD_SUBDIRS), $(DIR)_install)
ifneq ($(STRIP),)
ifneq ($(CONFIG_EXAMPLES_MODULE_NOSTRIP),y)
$(Q) $(STRIP) $(wildcard $(FSIMG_SUBDIR)$(DELIM)*)
endif
endif
# Create the fsroot directory
$(FSROOT_DIR):
$(Q) mkdir $(FSROOT_DIR)
# Populate the fsroot directory
populate: $(FSROOT_DIR) build install
ifeq ($(CONFIG_EXAMPLES_MODULE_BUILTINFS),y)
ifeq ($(CONFIG_EXAMPLES_MODULE_ROMFS),y)
# Create the romfs.img file from the populated fsroot directory
$(ROMFS_IMG): populate
ifeq ($(CONFIG_EXAMPLES_MODULE_BUILTINFS),y)
$(Q) genromfs -f $@ -d $(FSROOT_DIR) -V "MODULETEST"
endif
# Create the romfs.h header file from the romfs.img file
$(FSIMG_HDR) : $(ROMFS_IMG)
ifeq ($(CONFIG_EXAMPLES_MODULE_BUILTINFS),y)
$(Q) (cd $(DRIVER_DIR); xxd -i romfs.img | sed -e "s/^unsigned/static const unsigned/g" >$@)
endif
else ifeq ($(CONFIG_EXAMPLES_MODULE_CROMFS),y)
# Make sure that the NuttX gencromfs tool has been built
$(NXTOOLDIR)/$(GENCROMFSEXE): $(NXTOOLDIR)/$(GENCROMFSSRC)
$(Q) $(MAKE) -C $(NXTOOLDIR) -f Makefile.host $(GENCROMFSEXE)
# Create the cromfs.h header file from the populated cromfs directory
$(FSIMG_HDR) : populate $(NXTOOLDIR)/$(GENCROMFSEXE)
$(Q) $(NXTOOLDIR)/$(GENCROMFSEXE) $(FSIMG_DIR) $(FSIMG_HDR)
endif
# Create the exported symbol table
$(SYMTAB_SRC): build
$(Q) $(DRIVER_DIR)/mksymtab.sh $(FSROOT_DIR) >$@
else
# Create the exported symbol table
$(SYMTAB_SRC): build populate
$(Q) $(DRIVER_DIR)/mksymtab.sh $(FSROOT_DIR) >$@
endif
# Clean each subdirectory
clean: $(foreach DIR, $(ALL_SUBDIRS), $(DIR)_clean)
$(Q) rm -f $(FSIMG_HDR) $(DIRLIST_HDR) $(ROMFS_IMG) $(SYMTAB_SRC)
$(Q) rm -rf $(FSROOT_DIR)