Add logic for environments that can't use soft links

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@530 42af7a65-404d-4744-a932-0658087f49c3

3 files changed, 251 insertions, 0 deletions

diff --git a/nuttx/tools/link.sh b/nuttx/tools/link.sh
new file mode 100755
index 000000000..5c9576294
--- /dev/null
+++ b/nuttx/tools/link.sh
@@ -0,0 +1,84 @@
+#!/bin/sh
+############################################################################
+# tools/link.sh
+#
+#   Copyright (C) 2008 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.
+#
+############################################################################
+
+src=$1
+dest=$2
+
+# Verify that arguments were provided
+
+if [ -z "${src}" -o -z "${dest}" ]; then
+	echo "Missing src and/or dest arguments"
+	exit 1
+fi
+
+# Check if something already exists at the destination path
+
+if [ -e "${dest}" ]; then
+
+	# Yes, is it a symbolic link?  If so, then remove it so that we can
+	# replace it with the new link (which might be different)
+
+	if [ -h "${dest}" ]; then
+		rm -f "${dest}"
+	else
+
+		# If the path is a directory and contains the "fake link" mark, then
+		# treat it like a soft link (i.e., remove the directory)
+
+		if [ -d "${dest}" -a -f "${dest}/.fakelnk" ]; then
+			rm -rf "${dest}"
+		else
+
+			# It is something else (like a file) or directory that does
+			# not contain the "fake link" mark
+
+			echo "${dest} already exists but is not a symbolic link"
+			exit 1
+		fi
+	fi
+fi
+
+# Verify that a directory exists at the source path
+
+if [ ! -d ${src} ]; then
+	echo "No directory at ${src}"
+	exit 1
+fi
+
+# Create the soft link
+
+ln -s "${src}" "${dest}" || \
+	{ echo "Failed to create link: $dest" ; exit 1 ; }
\ No newline at end of file
diff --git a/nuttx/tools/unlink.sh b/nuttx/tools/unlink.sh
new file mode 100755
index 000000000..ebd21d512
--- /dev/null
+++ b/nuttx/tools/unlink.sh
@@ -0,0 +1,70 @@
+#!/bin/sh
+############################################################################
+# tools/unlink.sh
+#
+#   Copyright (C) 2008 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.
+#
+############################################################################
+
+link=$1
+
+# Verify that arguments were provided
+
+if [ -z "${link}" ]; then
+	echo "Missing link argument"
+	exit 1
+fi
+
+# Check if something already exists at the link path
+
+if [ -e "${link}" ]; then
+
+	# Yes, is it a symbolic link?  If so, then remove it
+
+	if [ -h "${link}" ]; then
+		rm -f "${link}"
+	else
+
+		# If the path is a directory and contains the "fake link" mark, then
+		# treat it like a soft link (i.e., remove the directory)
+
+		if [ -d "${link}" -a -f "${link}/.fakelnk" ]; then
+			rm -rf "${link}"
+		else
+
+			# It is something else (like a file) or directory that does
+			# not contain the "fake link" mark
+
+			echo "${link} already exists but is not a symbolic link"
+			exit 1
+		fi
+	fi
+fi
\ No newline at end of file
diff --git a/nuttx/tools/winlink.sh b/nuttx/tools/winlink.sh
new file mode 100755
index 000000000..c98efa47d
--- /dev/null
+++ b/nuttx/tools/winlink.sh
@@ -0,0 +1,97 @@
+#!/bin/sh
+############################################################################
+# tools/winlink.sh
+#
+#   Copyright (C) 2008 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.
+#
+############################################################################
+#
+# NuttX uses symbolic links to configure platform-specific directories into
+# the build system.  This works great except for when a Windows native
+# toolchain is used in a Cygwin environment.  In that case, symbolic
+# links do not work correctly when accessed from the Windows native toolchain;
+# rather, just look link files with the extension .lnk
+#
+# In this environment, the build system will work around this using this script
+# as a replacement for the 'ln' command.  This scrpt will simply copy the
+# directory into the expected positiion.
+#
+
+src=$1
+dest=$2
+
+# Verify that arguments were provided
+
+if [ -z "${src}" -o -z "${dest}" ]; then
+	echo "Missing src and/or dest arguments"
+	exit 1
+fi
+
+# Check if something already exists at the destination path
+
+if [ -e "${dest}" ]; then
+
+	# Yes, is it a symbolic link?  If so, then remove it so that we can
+	# replace it with the new directory copy
+
+	if [ -h "${dest}" ]; then
+		rm -f "${dest}"
+	else
+
+		# If the path is a directory and contains the "fake link" mark, then
+		# remove the directory so that we can replace it with a new copy
+
+		if [ -d "${dest}" -a -f "${dest}/.fakelnk" ]; then
+			rm -rf "${dest}"
+		else
+
+			# It is something else (like a file) or directory that does
+			# not contain the "fake link" mark
+
+			echo "${dest} already exists but is not a symbolic link"
+			exit 1
+		fi
+	fi
+fi
+
+# Verify that a directory exists at the source path
+
+if [ ! -d ${src} ]; then
+	echo "No directory at ${src}"
+	exit 1
+fi
+
+# Copy the directory
+
+cp -a "${src}" "${dest}" || \
+	{ echo "Failed to create link: $dest" ; rm -rf ${dest} ; exit 1 ; }
+touch "${dest}/.fakelnk" || \
+	{ echo "Failed to touch ${dest}/.fakelnk" ; rm -rf ${dest} ; exit 1 ; }
\ No newline at end of file