- applied some changes from the 4.0 tree (enable multiple 
   --conf-environment options, add --with-debug, don't add "-max"
   prefix just because BDB is enabled)


Build-tools/Do-compile:
   - applied some changes from the 4.0 tree (enable multiple 
     --conf-environment options, add --with-debug, don't add "-max"
     prefix just because BDB is enabled)