#! /bin/shset -xset -e# Check for automakeamvers="no"for v in "-1.9" "19" "-1.8" "18" "-1.7" "17" "-1.6" "16" "-1.5" "15"; do  if automake${v} --version >/dev/null 2>&1; then    amvers="${v}"    break  fidoneif test "${amvers}" = "no" && automake --version > /dev/null 2>&1; then  amvers="`automake --version | sed -e '1s/[^0-9]*//' -e q`"  if expr "$amvers" "<" "1.5" > /dev/null 2>&1; then    amvers="no"  else    amvers=""  fifiif test "$amvers" = "no"; then  set +x  echo "$0: you need automake version 1.5 or later"  exit 1fi# Check for autoconfacvers="no"for v in "" "259" "253"; do  if autoconf${v} --version >/dev/null 2>&1; then    acvers="${v}"    break  fidoneif test "$acvers" = "no"; then  set +x  echo "$0: you need autoconf"  exit 1fi# Check for libtoollibtoolize="no"if glibtoolize --version >/dev/null 2>&1; then  libtoolize="glibtoolize"else  for v in "16" "15" "" "14"; do    if libtoolize${v} --version >/dev/null 2>&1; then      libtoolize="libtoolize${v}"      break    fi  donefiif test "$libtoolize" = "no"; then  set +x  echo "$0: you need libtool"  exit 1fi# Remove old cruftset +x; for x in aclocal.m4 configure config.guess config.log config.sub config.cache config.h.in config.h compile libtool.m4 ltoptions.m4 ltsugar.m4 ltversion.m4 ltmain.sh libtool ltconfig missing mkinstalldirs depcomp install-sh; do rm -f $x autotools/$x; done; rm -Rf autom4te.cache; set -xif test ! -d autotools; then mkdir autotools; fi# Bootstrap package${libtoolize} --copy --forceif test -f "ltmain.sh"; then  echo "$0: working around a minor libtool issue"  mv ltmain.sh autotools/fiaclocal${amvers} -I autotoolsautoconf${acvers}autoheader${acvers}#add --include-deps if you want to bootstrap with any other compiler than gcc#automake${amvers} --add-missing --copy --include-depsautomake${amvers} --add-missing --copy