Re: src/Makefile unhelpful

[Eli Zaretskii]

> From: Richard Stallman <rms@gnu.org>
> Cc: larsi@gnus.org, eliz@gnu.org, sam@gentoo.org, emacs-devel@gnu.org
> Date: Tue, 13 Sep 2022 00:07:13 -0400
> 
> If there is a way to output a message about how to request this
> feature in the make output, after the first use of a command that
> hides its actual text, or the first use of each command that
> hides its actual text, that will assure people see it this feature.
> 
> etc/DEBUG and a comment at the top are good places to use also.

Would the below be good enough?

I looked at etc/DEBUG, but it doesn't discuss build-time problems,
only how to debug Emacs that was already built.  So there doesn't seem
to be a good place there to mention this.

diff --git a/Makefile.in b/Makefile.in
index d288bac..119a96e 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -20,6 +20,8 @@
 ### Commentary:
 
 # make all     to compile and build Emacs.
+# make all V=1 to compile and build Emacs with "Verbose" output -- this
+#              causes Make to show the full commands it is invoking.
 # make install to install it.
 # make TAGS    to update tags tables.
 #