[elpa] externals/ess 80e8befbe2: add details for makeinfo/etc for macOS

[ELPA Syncer]

branch: externals/ess
commit 80e8befbe2d8ba126edf5bc117660006eaed778f
Author: rsparapa <rsparapa@mcw.edu>
Commit: rsparapa <rsparapa@mcw.edu>

    add details for makeinfo/etc for macOS
---
 Makeconf | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Makeconf b/Makeconf
index 39043e7e88..11016e515e 100644
--- a/Makeconf
+++ b/Makeconf
@@ -13,6 +13,7 @@
 ## ESSDESTDIR  Destination of ESS
 DESTDIR ?= /usr
 PREFIX ?= $(DESTDIR)
+
 ##__ GNU Emacs __
 EMACS ?= emacs
 SITELISP ?= $(PREFIX)/share/emacs/site-lisp
@@ -40,8 +41,8 @@ EMACSBATCH ?= $(EMACS) -batch -Q
 # INFODIR=/usr/local/info
 # ETCDIR =$(PREFIX)/etc/ess
 # EMACSBATCH=$(EMACS) -batch -Q
-# ## MacTeX does not provide makeinfo 
-# MAKEINFO=touch ess.info
+### R provides makeinfo/texi2pdf/texi2dvi outside of the PATH 
+### add the line "/opt/R/MACHINE/bin" to the file /etc/paths
 
 ##__ GNU Emacs with Homebrew __  for macOS
 ## site-lisp is not within .app directory