#!/bin/sh

pecho() { printf %s\\n "$*"; }
log() { pecho "$@"; }
error() { log "ERROR: $@" >&2; }
fatal() { error "$@"; exit 1; }
try() { "$@" || fatal "'$@' failed"; }

try cd "${0%/*}"
# aclocal complains if a directory passed to AC_CONFIG_MACRO_DIR doesn't exist.
try mkdir -p build-aux/m4
# autoreconf's '--force' option doesn't affect any of the files installed by the '--install' option.
# Remove the files to truly force them to be updated.
try rm -f \
    aclocal.m4 \
    build-aux/config.guess \
    build-aux/config.sub \
    build-aux/install-sh \
    build-aux/missing \
    build-aux/tap-driver.sh \
    ;
try autoreconf -fviW all