bootstrap

#! /bin/sh

stderr ()
{
  local i
  local me
  me=$(basename "$0")
  for i
  do
    echo >&2 "$me: $i"
  done
}

error ()
{
  local exit="$1"
  shift
  stderr "$@"
  exit $exit
}

fatal ()
{
  error 1 "$@"
}

# packages PACKAGE-SYSTEM-NAME REGEXP
packages ()
{
  perl -n                                      \
    -e "my \$package = '$1';"                  \
    -e "my \$regexp = '$2';"                   \
    -e '
    if (/^(?:$regexp|package): (.*)/)
    {
      push @out, split /\s+/, $1;
    }
    END
    {
      my $install = $package eq "MacPorts" ? "sudo port install"
                  : "sudo apt-get install";

      use Text::Wrap;
      $Text::Wrap::columns = 60;
      $Text::Wrap::separator="  \\\n";
      print "*" x 66, "\n";
      print "You seem to be using $package.\n";
      print "At least the following packages are required:\n\n";
      print "$install$Text::Wrap::separator";
      print wrap("   ", "   ", sort @out), "\n\n";
      print "See urbi-sdk.htmldir/build.html for more information.\n";
      print "*" x 66, "\n";
    }' <doc/guide/build.tex
}

if test -x /opt/local/bin/port; then
  packages "MacPorts" "MacPorts"
elif test -x /usr/bin/apt-get; then
  packages "Debian or Ubuntu" "deb"
fi

# Failures do matter.
set -e

# The ast/ is generated, including its Makefile.
if test -f dev/ast-nodes-mk-gen && test -f src/ast/ast.yml; then
  if ! python -c ''; then
    fatal "python is required"
  elif ! python -c 'import yaml'; then
    fatal "Python module \`yaml' is required.  See README."
  fi

  python dev/ast-nodes-mk-gen src/ast <src/ast/ast.yml \
    || error $? "

-----------------------------------------------------------------------
If the last error is \"./bootstrap: Python module \`yaml' is required\"
then you need to install Python Bindings for Yaml.

See README for instructions."
fi

# Finally, install the GNU Build System and our submodules.
exec build-aux/bin/bootstrap --require gettext=0.17 "$@"