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      1 #!/bin/sh -efu
      2 #
      3 # Copyright (c) 2017 Dmitry V. Levin <ldv (at] altlinux.org>
      4 # All rights reserved.
      5 #
      6 # Redistribution and use in source and binary forms, with or without
      7 # modification, are permitted provided that the following conditions
      8 # are met:
      9 # 1. Redistributions of source code must retain the above copyright
     10 #    notice, this list of conditions and the following disclaimer.
     11 # 2. Redistributions in binary form must reproduce the above copyright
     12 #    notice, this list of conditions and the following disclaimer in the
     13 #    documentation and/or other materials provided with the distribution.
     14 # 3. The name of the author may not be used to endorse or promote products
     15 #    derived from this software without specific prior written permission.
     16 #
     17 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     18 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     19 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     20 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     21 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     22 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27 
     28 usage()
     29 {
     30 	cat >&2 <<EOF
     31 Usage: $0 [<input> [<output>]]
     32 
     33 Generate pure_executables.am from <input> list.
     34 Deduce output file from <input> unless an <output> is specified.
     35 EOF
     36 	exit 1
     37 }
     38 
     39 input="${0%/*}/pure_executables.list"
     40 [ $# -eq 0 ] || { input="$1"; shift; }
     41 output="$(dirname "$input")/pure_executables.am"
     42 [ $# -eq 0 ] || { output="$1"; shift; }
     43 [ $# -eq 0 ] || usage
     44 
     45 exec > "$output"
     46 
     47 echo "# Generated by $0 from $input; do not edit."
     48 echo 'PURE_EXECUTABLES = \'
     49 sed -n 's/^[^#].*/  & \\/p' < "$input"
     50 echo '  #'
     51