#! /bin/sh# Global variables...AUTOCONF="autoconf"AUTOHEADER="autoheader"AUTOM4TE="autom4te"AUTOMAKE="automake"ACLOCAL="aclocal"# We don't use variable here for remembering the type ... strings.# local variables are not that portable, but we fear namespace issues with# our includer.  The repeated type calls are not that expensive.checkAutoconf(){  if test -x "`$WHICH autoconf-2.5x`" ; then	    AUTOCONF="`$WHICH autoconf-2.5x`"  elif test -x "`$WHICH autoconf-2.54`" ; then    AUTOCONF="`$WHICH autoconf-2.54`"  elif test -x "`$WHICH autoconf-2.53`" ; then    AUTOCONF="`$WHICH autoconf-2.53`"  elif test -x "`$WHICH autoconf-2.53a`" ; then    AUTOCONF="`$WHICH autoconf-2.53a`"  elif test -x "`$WHICH autoconf-2.52`" ; then    AUTOCONF="`$WHICH autoconf-2.52`"  elif test -x "`$WHICH autoconf2.50`" ; then    AUTOCONF="`$WHICH autoconf2.50`"  fi}checkAutoheader(){  if test -x "`$WHICH autoheader-2.5x`" ; then    AUTOHEADER="`$WHICH autoheader-2.5x`"    AUTOM4TE="`$WHICH autom4te-2.5x`"  elif test -x "`$WHICH autoheader-2.54`" ; then    AUTOHEADER="`$WHICH autoheader-2.54`"    AUTOM4TE="`$WHICH autom4te-2.54`"  elif test -x "`$WHICH autoheader-2.53`" ; then    AUTOHEADER="`$WHICH autoheader-2.53`"    AUTOM4TE="`$WHICH autom4te-2.53`"  elif test -x "`$WHICH autoheader-2.53a`" ; then    AUTOHEADER="`$WHICH autoheader-2.53a`"    AUTOM4TE="`$WHICH autom4te-2.53a`"  elif test -x "`$WHICH autoheader-2.52`" ; then    AUTOHEADER="`$WHICH autoheader-2.52`"  elif test -x "`$WHICH autoheader2.50`" ; then    AUTOHEADER="`$WHICH autoheader2.50`"  fi}checkAutomakeAclocal (){  if test -z "$UNSERMAKE"; then    if test -x "`$WHICH automake-1.6`" ; then      AUTOMAKE="`$WHICH automake-1.6`"      ACLOCAL="`$WHICH aclocal-1.6`"    elif test -x "`$WHICH automake-1.7`" ; then      AUTOMAKE="`$WHICH automake-1.7`"      ACLOCAL="`$WHICH aclocal-1.7`"    fi  else     AUTOMAKE="$UNSERMAKE"  fi}checkWhich (){  WHICH=""  for i in "type -p" "which" "type" ; do    T=`$i sh 2> /dev/null`    test -x "$T" && WHICH="$i" && break  done}checkWhichcheckAutoconfcheckAutoheadercheckAutomakeAclocalexport WHICH AUTOHEADER AUTOCONF AUTOM4TE AUTOMAKE ACLOCAL