Add comments on bsd/os handling.

configure

@@ -11471,9 +11471,12 @@ fi
 done
 
 
+# BSD/OS has a custom fseeko/ftello built on fsetpos/fgetpos
+# We override the previous test that said fseeko/ftello didn't exist
 case $host_os in bsdi*)
 ac_cv_func_fseeko=yes
 esac
+
 echo "$as_me:$LINENO: checking for _LARGEFILE_SOURCE value needed for large files" >&5
 echo $ECHO_N "checking for _LARGEFILE_SOURCE value needed for large files... $ECHO_C" >&6
 if test "${ac_cv_sys_largefile_source+set}" = set; then

configure.in

 dnl Process this file with autoconf to produce a configure script.
-dnl $Header: /cvsroot/pgsql/configure.in,v 1.212 2002/10/23 20:56:24 momjian Exp $
+dnl $Header: /cvsroot/pgsql/configure.in,v 1.213 2002/10/23 20:59:03 momjian Exp $
 dnl
 dnl Developers, please strive to achieve this order:
 dnl
@@ -903,9 +903,12 @@ AC_CHECK_FUNCS(atexit, [],
                [AC_CHECK_FUNCS(on_exit, [],
                                [AC_MSG_ERROR([neither atexit() nor on_exit() found])])])
 
+# BSD/OS has a custom fseeko/ftello built on fsetpos/fgetpos
+# We override the previous test that said fseeko/ftello didn't exist
 case $host_os in bsdi*)
 ac_cv_func_fseeko=yes
 esac
+
 AC_FUNC_FSEEKO