autogen.sh

#! /bin/sh
# Run this to generate all the initial makefiles, etc.
#
# Copyright (C) 2003, 2012 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` >= $2 )) = 1 ]; 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
}

# 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}

DIE=no
FORCE=
tmp=`dirname $0`
tsdir=`cd "$tmp"; pwd`
if test x"$1" = x"--force"; then
  FORCE=" --force"
  shift
fi

# Reject unsafe characters in $HOME, $tsdir and cwd.  We consider spaces
# as unsafe because it is too easy to get scripts wrong in this regard.
am_lf='
'
case `pwd` in
  *[\;\\\"\#\$\&\'\`$am_lf\ \	]*)
    echo "unsafe working directory name"; DIE=yes;;
esac
case $tsdir in
  *[\;\\\"\#\$\&\'\`$am_lf\ \	]*)
    echo "unsafe source directory: \`$tsdir'"; DIE=yes;;
esac
case $HOME in
  *[\;\\\"\#\$\&\'\`$am_lf\ \	]*)
    echo "unsafe home directory: \`$HOME'"; DIE=yes;;
esac
if test "$DIE" = "yes"; then
  exit 1
fi


# 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`

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


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

Note that you may use alternative versions of the tools by setting
the corresponding environment variables; see README.GIT for details.

EOF
    exit 1
fi

# Check the git setup.
if [ -d .git ]; then
  if [ -f .git/hooks/pre-commit.sample -a ! -f .git/hooks/pre-commit ] ; then
    cat <<EOF >&2
*** Activating trailing whitespace git pre-commit hook. ***
    For more information see this thread:
      http://mail.gnome.org/archives/desktop-devel-list/2009-May/msg00084html
    To deactivate this pre-commit hook again move .git/hooks/pre-commit
    and .git/hooks/pre-commit.sample out of the way.
EOF
      cp -av .git/hooks/pre-commit.sample .git/hooks/pre-commit
      chmod +x  .git/hooks/pre-commit
  fi
  tmp=$(git config --get filter.cleanpo.clean)
  if [ "$tmp" != "awk '/^\"POT-Creation-Date:/&&!s{s=1;next};!/^#: /{print}'" ]
  then
    echo "*** Adding GIT filter.cleanpo.clean configuration." >&2
    git config --add filter.cleanpo.clean \
        "awk '/^\"POT-Creation-Date:/&&!s{s=1;next};!/^#: /{print}'"
  fi
  if [ -f scripts/git-hooks/commit-msg -a ! -f .git/hooks/commit-msg ] ; then
    cat <<EOF >&2
*** Activating commit log message check hook. ***
EOF
      cp -av scripts/git-hooks/commit-msg .git/hooks/commit-msg
      chmod +x  .git/hooks/commit-msg
  fi
fi

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

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