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#! /bin/sh
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# $Id$
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# bootstrap: generic bootstrap/autogen.sh script for autotools projects
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#
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# Copyright (c) 2002-2007 Sam Hocevar <sam@zoy.org>
#
#    This program is free software. It comes without any warranty, to
#    the extent permitted by applicable law. You can redistribute it
#    and/or modify it under the terms of the Do What The Fuck You Want
#    To Public License, Version 2, as published by Sam Hocevar. See
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#    http://sam.zoy.org/wtfpl/COPYING for more details.
#
# The latest version of this script can be found at the following place:
#   http://sam.zoy.org/autotools/

# Die if an error occurs
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set -e
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# Guess whether we are using configure.ac or configure.in
if test -f configure.ac; then
  conffile="configure.ac"
elif test -f configure.in; then
  conffile="configure.in"
else
  echo "$0: could not find configure.ac or configure.in"
  exit 1
fi

# Check for needed features
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auxdir="`sed -ne 's/^[ \t]*A._CONFIG_AUX_DIR *([[ ]*\([^] )]*\).*/\1/p' $conffile`"
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libtool="`grep -q '^[ \t]*A._PROG_LIBTOOL' $conffile && echo yes || echo no`"
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pkgconfig="`grep -q '^[ \t]*PKG_PROG_PKG_CONFIG' $conffile && echo yes || echo no`"
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header="`grep -q '^[ \t]*A._CONFIG_HEADER' $conffile && echo yes || echo no`"
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aclocalflags="`sed -ne 's/^[ \t]*ACLOCAL_AMFLAGS[ \t]*=//p' Makefile.am`"
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# Check for automake
amvers="no"
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for v in 10 9 8 7 6 5; do
  if automake-1.${v} --version >/dev/null 2>&1; then
    amvers="-1.${v}"
    break
  elif automake1.${v} --version >/dev/null 2>&1; then
    amvers="1.${v}"
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    break
  fi
done

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if test "${amvers}" = "no" && automake --version > /dev/null 2>&1; then
  amvers="`automake --version | sed -e '1s/[^0-9]*//' -e q`"
  if expr "$amvers" "<" "1.5" > /dev/null 2>&1; then
    amvers="no"
  else
    amvers=""
  fi
fi

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if test "$amvers" = "no"; then
  echo "$0: you need automake version 1.5 or later"
  exit 1
fi

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# Check for autoconf
acvers="no"
for v in "" "259" "253"; do
  if autoconf${v} --version >/dev/null 2>&1; then
    acvers="${v}"
    break
  fi
done

if test "$acvers" = "no"; then
  echo "$0: you need autoconf"
  exit 1
fi

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# Check for libtool
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if test "$libtool" = "yes"; then
  libtoolize="no"
  if glibtoolize --version >/dev/null 2>&1; then
    libtoolize="glibtoolize"
  else
    for v in "16" "15" "" "14"; do
      if libtoolize${v} --version >/dev/null 2>&1; then
        libtoolize="libtoolize${v}"
        break
      fi
    done
  fi
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  if test "$libtoolize" = "no"; then
    echo "$0: you need libtool"
    exit 1
  fi
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fi

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# Check for pkg-config
if test "$pkgconfig" = "yes"; then
  if ! pkg-config --version >/dev/null 2>&1; then
    echo "$0: you need pkg-config"
    exit 1
  fi
fi

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# Remove old cruft
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for x in aclocal.m4 configure config.guess config.log config.sub config.cache config.h.in config.h compile libtool.m4 ltoptions.m4 ltsugar.m4 ltversion.m4 ltmain.sh libtool ltconfig missing mkinstalldirs depcomp install-sh; do rm -f $x autotools/$x; if test -n "$auxdir"; then rm -f "$auxdir/$x"; fi; done
rm -Rf autom4te.cache
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if test -n "$auxdir"; then
  if test ! -d "$auxdir"; then
    mkdir "$auxdir"
  fi
  aclocalflags="${aclocalflags} -I $auxdir -I ."
fi
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# Explain what we are doing from now
set -x
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# Bootstrap package
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if test "$libtool" = "yes"; then
  ${libtoolize} --copy --force
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  if test -n "$auxdir" -a ! "$auxdir" = "." -a -f "ltmain.sh"; then
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    echo "$0: working around a minor libtool issue"
    mv ltmain.sh "$auxdir/"
  fi
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fi

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aclocal${amvers} ${aclocalflags}
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autoconf${acvers}
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if test "$header" = "yes"; then
  autoheader${acvers}
fi
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#add --include-deps if you want to bootstrap with any other compiler than gcc
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#automake${amvers} --add-missing --copy --include-deps
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automake${amvers} --foreign --add-missing --copy

# Remove cruft that we no longer want
rm -Rf autom4te.cache
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