(config.status Invocation): CONFIG_SHELL defaults to a shell that

supports LINENO if available.

diff --git a/doc/autoconf.texi b/doc/autoconf.texi
index 12d70266c364c6e376d6a0b6846eb867914a175c..28d62a4b9249947b500bd71179e8ed1dfc584f7f 100644 (file)
--- a/doc/autoconf.texi
+++ b/doc/autoconf.texi
@@ -10049,7 +10049,8 @@ can alter its behavior:
 @defvar CONFIG_SHELL
 @evindex CONFIG_SHELL
 The shell with which to run @code{configure} for the @option{--recheck}
-option.  It must be Bourne-compatible.  The default is @file{/bin/sh}.
+option.  It must be Bourne-compatible.  The default is a shell that
+supports @env{LINENO} if available, and @file{/bin/sh} otherwise.
 @end defvar
 
 @defvar CONFIG_STATUS