--- fpc/compiler/options.pas-	2005-05-05 14:53:55 +0000
+++ fpc/compiler/options.pas	2005-10-15 16:58:10 +0000
@@ -2039,6 +2039,12 @@ begin
 {$ELSE USE_SYSUTILS}
   fpcdir:=FixPath(getenv('FPCDIR'),false);
 {$ENDIF USE_SYSUTILS}
+{$ifdef x86_64}
+  if (fpcdir='') and PathExists('/usr/lib64/fpc2/') then
+       fpcdir:='/usr/lib64/fpc2/';
+{$endif}
+  if (fpcdir='') and PathExists('/usr/lib/fpc2/') then
+       fpcdir:='/usr/lib/fpc2/';
   if fpcdir='' then
    begin
      if PathExists('/usr/local/lib/fpc/'+version_string) then