docs: remove mention of AM_CONFIG_HEADER: it is obsolete and removed now

* doc/automake.texi (Variables used when building a program): Remove
obsolete mention of AM_CONFIG_HEADER as an alias to AC_CONFIG_HEADERS.

Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>

diff --git a/doc/automake.texi b/doc/automake.texi
index 252aa45..8f23211 100644 (file)
--- a/doc/automake.texi
+++ b/doc/automake.texi
@@ -6038,9 +6038,9 @@ Automake already provides some @option{-I} options automatically, in a
 separate variable that is also passed to every compilation that invokes
 the C preprocessor.  In particular it generates @samp{-I.},
 @samp{-I$(srcdir)}, and a @option{-I} pointing to the directory holding
-@file{config.h} (if you've used @code{AC_CONFIG_HEADERS} or
-@code{AM_CONFIG_HEADER}).  You can disable the default @option{-I}
-options using the @option{nostdinc} option.
+@file{config.h} (if you've used @code{AC_CONFIG_HEADERS}).  You can
+disable the default @option{-I} options using the @option{nostdinc}
+option.
 
 When a file to be included is generated during the build and not part
 of a distribution tarball, its location is under @code{$(builddir)},