File: autogen.sh

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libgpg-error 1.0-1
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#! /bin/sh
# Run this to generate all the initial makefiles, etc. 
#
# Copyright (C) 2003 g10 Code GmbH
#
# This file is free software; as a special exception the author gives
# unlimited permission to copy and/or distribute it, with or without
# modifications, as long as this notice is preserved.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY, to the extent permitted by law; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

configure_ac="configure.ac"

cvtver () {
  awk 'NR==1 {split($NF,A,".");X=1000000*A[1]+1000*A[2]+A[3];print X;exit 0}'
}

check_version () {
    if [ `("$1" --version || echo "0") | cvtver` -ge "$2" ]; then
       return 0
    fi
    echo "**Error**: "\`$1\'" not installed or too old." >&2
    echo '           Version '$3' or newer is required.' >&2
    [ -n "$4" ] && echo '           Note that this is part of '\`$4\''.' >&2
    DIE="yes"
    return 1
}


# Grep the required versions from configure.ac
autoconf_vers=`sed -n '/^AC_PREREQ(/ { 
s/^.*(\(.*\))/\1/p
q
}' ${configure_ac}`
autoconf_vers_num=`echo "$autoconf_vers" | cvtver`

automake_vers=`sed -n '/^min_automake_version=/ { 
s/^.*="\(.*\)"/\1/p
q
}' ${configure_ac}`
automake_vers_num=`echo "$automake_vers" | cvtver`

gettext_vers=`sed -n '/^AM_GNU_GETTEXT_VERSION(/ { 
s/^.*(\(.*\))/\1/p
q
}' ${configure_ac}`
gettext_vers_num=`echo "$gettext_vers" | cvtver`


if [ -z "$autoconf_vers" -o -z "$automake_vers" -o -z "$gettext_vers" ]
then
  echo "**Error**: version information not found in "\`${configure_ac}\'"." >&2
  exit 1
fi

# Allow to override the default tool names
AUTOCONF=${AUTOCONF_PREFIX}${AUTOCONF:-autoconf}${AUTOCONF_SUFFIX}
AUTOHEADER=${AUTOCONF_PREFIX}${AUTOHEADER:-autoheader}${AUTOCONF_SUFFIX}

AUTOMAKE=${AUTOMAKE_PREFIX}${AUTOMAKE:-automake}${AUTOMAKE_SUFFIX}
ACLOCAL=${AUTOMAKE_PREFIX}${ACLOCAL:-aclocal}${AUTOMAKE_SUFFIX}

GETTEXT=${GETTEXT_PREFIX}${GETTEXT:-gettext}${GETTEXT_SUFFIX}
MSGMERGE=${GETTEXT_PREFIX}${MSGMERGE:-msgmerge}${GETTEXT_SUFFIX}

DIE=no


if check_version $AUTOCONF $autoconf_vers_num $autoconf_vers ; then
    check_version $AUTOHEADER $autoconf_vers_num $autoconf_vers autoconf
fi
if check_version $AUTOMAKE $automake_vers_num $automake_vers; then
  check_version $ACLOCAL $automake_vers_num $autoconf_vers automake
fi
if check_version $GETTEXT $gettext_vers_num $gettext_vers; then
  check_version $MSGMERGE $gettext_vers_num $gettext_vers gettext
fi

if test "$DIE" = "yes"; then
    cat <<EOF

Note that you may use alternative versions of the tools by setting 
the corresponding environment variables; see README.CVS for details.
                   
EOF
    exit 1
fi

echo "Running aclocal -I m4 ${ACLOCAL_FLAGS:+$ACLOCAL_FLAGS }..."
$ACLOCAL -I m4 $ACLOCAL_FLAGS
echo "Running autoheader..."
$AUTOHEADER
echo "Running automake --gnu ..."
$AUTOMAKE --gnu;
echo "Running autoconf..."
$AUTOCONF

echo "You may now run \"./configure --enable-maintainer-mode && make\"."