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+############################################################################
+# examples/thttpd/content/Makefile
+#
+# Copyright (C) 2009 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 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.
+#
+############################################################################
+
+SUBDIRS = hello
+
+THTTPD_DIR = $(TOPDIR)/examples/thttpd
+CONTENT_DIR = $(THTTPD_DIR)/content
+ROMFS_DIR = $(CONTENT_DIR)/romfs
+ROMFS_IMG = $(CONTENT_DIR)/romfs.img
+ROMFS_HDR = $(CONTENT_DIR)/romfs.h
+SYMTAB = $(CONTENT_DIR)/symtab.h
+
+define DIR_template
+$(1)_$(2):
+ @$(MAKE) -C $(1) $(3) TOPDIR=$(TOPDIR) ROMFS_DIR=$(ROMFS_DIR) CROSSDEV=$(CROSSDEV)
+endef
+
+all: $(ROMFS_HDR) $(SYMTAB)
+.PHONY: all build clean install populate
+
+$(foreach DIR, $(SUBDIRS), $(eval $(call DIR_template,$(DIR),build, all)))
+$(foreach DIR, $(SUBDIRS), $(eval $(call DIR_template,$(DIR),clean,clean)))
+$(foreach DIR, $(SUBDIRS), $(eval $(call DIR_template,$(DIR),install,install)))
+
+# Build program(s) in each sud-directory
+
+build: $(foreach DIR, $(SUBDIRS), $(DIR)_build)
+
+# Install each program in the romfs directory
+
+install: $(foreach DIR, $(SUBDIRS), $(DIR)_install)
+
+# Create the romfs directory
+
+$(ROMFS_DIR):
+ @mkdir $(ROMFS_DIR)
+
+# Populate the romfs directory
+
+populate: $(ROMFS_DIR) build install
+
+# Create the romfs.img file from the populated romfs directory
+
+$(ROMFS_IMG): populate
+ @genromfs -f $@ -d $(ROMFS_DIR) -V "THTTPDTEST"
+
+# Create the romfs.h header file from the romfs.img file
+
+$(ROMFS_HDR) : $(ROMFS_IMG)
+ @(cd $(CONTENT_DIR); xxd -i romfs.img | sed -e "s/^unsigned/static const unsigned/g" >$@)
+
+# Create the exported symbol table list from the derived *-thunk.S files
+
+$(SYMTAB): build
+ @$(CONTENT_DIR)/mksymtab.sh $(CONTENT_DIR) >$@
+
+# Clean each subdirectory
+
+clean: $(foreach DIR, $(SUBDIRS), $(DIR)_clean)
+ @rm -f $(ROMFS_HDR) $(ROMFS_IMG) $(SYMTAB)
+ @rm -rf $(ROMFS_DIR)
+ @rm *~ .*.swp
+
+