Added some more fixes for calling config script from an alien directory

[SVN r13563]

tools/configure.in

@@ -90,8 +90,10 @@ AC_ARG_WITH(boost,
   ]
 )
 if test "x$boost_base" = "x"; then
-  boost_base=`expr "x$0" : 'x\(.*\)/[^/]*' \| '.'`
+  #echo '$0 = ' $0
+  boost_base=`expr "x$0" : 'x\(.*\)/@<:@/@:>@*' \| '.'`
   boost_base="$boost_base/../.."
+  #echo boost_base=$boost_base
   if test -f "$boost_base/boost/config.hpp"; then
     if test -f "$boost_base/libs/config/configure"; then :; else
       boost_base=
@@ -100,17 +102,6 @@ if test "x$boost_base" = "x"; then
     boost_base=
   fi
 fi
-if test "x$boost_base" = "x"; then
-  for d in /usr/local /usr/local/lib /usr/local/src $HOME $HOME/lib $HOME/src ./ ../ ../../
-  do
-    if test -f "$d/boost/config.hpp"; then
-      if test -f "$d/libs/config/configure"; then
-        boost_base="$d"
-        break
-      fi
-    fi
-  done
-fi
 if test "x$boost_base" != "x"; then
   AC_MSG_RESULT([$boost_base])
 else
@@ -361,6 +352,8 @@ else
 
 date_string=`date`
 
+echo boost_base=$boost_base
+
 cat > user.hpp << EOF
 //  (C) Copyright Boost.org 2001.
 //  Do not check in modified versions of this file,
@@ -446,3 +439,5 @@ fi
 
 
 
+
+