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#! /bin/sh
# depcomp - compile a program generating dependencies as side-effects

scriptversion=2016-01-11.22; # UTC

# Copyright (C) 1999-2017 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.

# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.

case $1 in
  '')
    echo "$0: No command.  Try '$0 --help' for more information." 1>&2
    exit 1;
    ;;
  -h | --h*)
    cat <<\EOF
Usage: depcomp [--help] [--version] PROGRAM [ARGS]

Run PROGRAMS ARGS to compile a file, generating dependencies
as side-effects.

Environment variables:
  depmode     Dependency tracking mode.
  source      Source file read by 'PROGRAMS ARGS'.
  object      Object file output by 'PROGRAMS ARGS'.
  DEPDIR      directory where to store dependencies.
  depfile     Dependency file to output.
  tmpdepfile  Temporary file to use when outputting dependencies.
  libtool     Whether libtool is used (yes/no).

Report bugs to <bug-automake@gnu.org>.
EOF
    exit $?
    ;;
  -v | --v*)
    echo "depcomp $scriptversion"
    exit $?
    ;;
esac

# Get the directory component of the given path, and save it in the
# global variables '$dir'.  Note that this directory component will
# be either empty or ending with a '/' character.  This is deliberate.
set_dir_from ()
{
  case $1 in
    */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;;
      *) dir=;;
  esac
}

# Get the suffix-stripped basename of the given path, and save it the
# global variable '$base'.
set_base_from ()
{
  base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'`
}

# If no dependency file was actually created by the compiler invocation,
# we still have to create a dummy depfile, to avoid errors with the
# Makefile "include basename.Plo" scheme.