100 lines
2.9 KiB
Bash
Executable File
100 lines
2.9 KiB
Bash
Executable File
#!/bin/sh
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# substscr - substitute parameters to create a file from a .in.
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#
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# Copyright (c) 1999, 2004 Joseph Samuel Myers.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. The name of the author may not be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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# First argument is some combination of:
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# r to generate makefile rules
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# g to generate the file in question
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# Second argument gives the style of comment:
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# c for C comment
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# h for generic # comment
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# m for manpage comment
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# n for none
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# s for shell comment
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# Third argument is the source file.
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# Fourth argument is the target file.
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# The target gets its execute permissions from the source.
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set -e
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if [ $# != 4 ]; then
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echo "usage: $0 action comment-style source target" >&2
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exit 1
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fi
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action="$1"
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style="$2"
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source="$3"
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target="$4"
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if echo $action |grep -q g; then
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echo "Generating $target from $source"
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rm -f $target
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case "$style" in
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(c)
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echo "/* Automatically generated from $source. Do not edit. */" >"$target"
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;;
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(h)
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echo "# Automatically generated from $source. Do not edit." >"$target"
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;;
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(m)
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echo ".\\\" Automatically generated from $source. Do not edit." >"$target"
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;;
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(n)
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: >"$target"
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;;
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(s)
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echo "#!/bin/sh" >"$target"
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echo "# Automatically generated from $source. Do not edit." >>"$target"
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;;
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(*)
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echo "$0: unknown comment style $style" >&2
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exit 1
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esac
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sed -f subst.sed <"$source" >>"$target"
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if [ -x "$source" ]; then
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chmod a+x "$target"
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fi
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fi
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if echo $action |grep -q r; then
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# Append to subst.rules.
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cat >>subst.rules <<EOF
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$target: $source subst.sed substscr
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./substscr g $style $source $target
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EOF
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fi
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