discrepancy between CONFIG_SHELL and shell used to invoke 'configure'.
The shell with which to run @command{configure} for the @option{--recheck}
option. It must be Bourne-compatible. The default is a shell that
supports @env{LINENO} if available, and @file{/bin/sh} otherwise.
+Invoking @command{configure} by hand bypasses this setting, so you may
+need to use a command like @samp{/bin/bash ./configure
+CONFIG_SHELL=/bin/bash} to insure that the same shell is used
+everywhere.
+@example
+
+@end example
@end defvar
@defvar CONFIG_STATUS