bootstrap

#!/bin/bash
## SPDX-FileCopyrightText: <text>
##     © 2013, 2016, 2019, 2024 Alan D. Salewski <ads@salewski.email>
## </text>
##
## SPDX-License-Identifier: GPL-2.0-or-later

# Usage:
#   bootstrap [ AUTORECONF_ARG ... ]
#
# Example 1:
#   $ ./bootstrap
#
# Example 2:
#   $ ./bootstrap --verbose
#
# Example 3:
#   $ ./bootstrap --debug

declare -r PROG='bootstrap'

_run_on_dir="$(readlink -f "$(dirname "${0}")")"
if test $? -ne 0; then
    printf "${PROG} (ERROR): was unable to determine realpath of prog \"%s\"\n" \
      "$0" 1>&2
    exit 1
fi

# sanity check that our configure.ac file exists
_configure_ac="${_run_on_dir}/configure.ac"
test -f "${_configure_ac}" || {
    printf "${PROG} (ERROR): file does not exist: \"%s\"\n" "${_configure_ac}" 1>&2
    exit 1
}

# sanity check that our include dir exists
_include_dir="${_run_on_dir}/autotools"
test -d "${_include_dir}" || {
    printf "${PROG} (ERROR): m4 macro include directory does not exist: \"%s\"\n" \
      "${_include_dir}" 1>&2
    exit 1
}


set -x

# From autoreconf(1):
#   "The environment  variables  AUTOCONF,  AUTOHEADER,  AUTOMAKE,  ACLOCAL,
#    AUTOPOINT, LIBTOOLIZE are honored."
#

# We use these to allow us to easily use the correct versions of the GNU
# autotools. Note: On some systems, the tools are /only/ installed with their
# version number suffixes, so the default names, such as 'aclocal' won't work.
export ACLOCAL='aclocal-1.15'
export AUTOMAKE='automake-1.15'

# --force: consider all files obsolete (ignores timestamps)
# --warnings=all
autoreconf \
           "--include=${_include_dir}" \
           "$@" \
           "${_configure_ac}"