#! /bin/shecho "buildconf: checking installation..."# autoconf 2.13 or newerac_version=`${AUTOCONF:-autoconf} --version 2>/dev/null|sed -e 's/^[^0-9]*//;s/[a-z]* *$//;q'`if test -z "$ac_version"; thenecho "buildconf: autoconf not found."echo "           You need autoconf version 2.13 or newer installed"echo "           to build Apache from CVS."exit 1fiIFS=.; set $ac_version; IFS=' 'if test "$1" = "2" -a "$2" -lt "13" || test "$1" -lt "2"; thenecho "buildconf: autoconf version $ac_version found."echo "           You need autoconf version 2.13 or newer installed"echo "           to build Apache from CVS."exit 1elseecho "buildconf: autoconf version $ac_version (ok)"fi# Sample libtool --version outputs:# ltmain.sh (GNU libtool) 1.3.3 (1.385.2.181 1999/07/02 15:49:11)# ltmain.sh (GNU libtool 1.1361 2004/01/02 23:10:52) 1.5a# output is multiline from 1.5 onwards# Require libtool 1.3.3 or newerlibtool=`build/PrintPath glibtool libtool`lt_pversion=`$libtool --version 2>/dev/null|sed -e 's/([^)]*)//g;s/^[^0-9]*//;s/[- ].*//g;q'`if test -z "$lt_pversion"; thenecho "buildconf: libtool not found."echo "           You need libtool version 1.3.3 or newer installed"echo "           to build Apache from CVS."exit 1filt_version=`echo $lt_pversion|sed -e 's/\([a-z]*\)$/.\1/'`IFS=.; set $lt_version; IFS=' 'lt_status="good"if test "$1" = "1"; then   if test "$2" -lt "3"; then      lt_status="bad"   else      if test "$2" = "3"; then         if test -z "$3" -o "$3" = "1" -o "$3" = "2"; then            lt_status="bad"         fi      fi   fifiif test $lt_status = "good"; then   echo "buildconf: libtool version $lt_pversion (ok)"   exit 0fiecho "buildconf: libtool version $lt_pversion found."echo "           You need libtool version 1.3.3 or newer installed"echo "           to build Apache from CVS."exit 1