Re: Emacs on QNX

[Paul Eggert <eggert@cs.ucla.edu>]

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Elad Lahav wrote:

> 1. The line that adds sheap.o in configure.ac is not needed in the
> latest version of the source, as the file is already added if
> HYBRID_MALLOC is defined in src/Makefile.in.

I installed the attached patch to fix that.

> 2. bootstrap-emacs crashes during build due to a stack overflow when
> compiling elisp-mode.elc. Perhaps the result of infinite recursion. Has
> this been observed elsewhere? It doesn't happen on 25.3.

I don't recall seeing it, no. Although this shouldn't prevent building on QNX, 
it does suggest a problem in the QNX implementation, which you should probably 
look into.

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From 685fd779592db0019b8489a06d72ec4bebef3c9a Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Wed, 25 Oct 2017 20:47:48 -0700
Subject: [PATCH] Fix duplicate .o file on QNX

* configure.ac (CYGWIN_OBJ): Leave empty on QNX.
Problem reported by Elad Lahav in:
https://lists.gnu.org/archive/html/emacs-devel/2017-10/msg00750.html
---
 configure.ac | 2 --
 1 file changed, 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index ca75136..d397e8f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -5153,8 +5153,6 @@ AC_DEFUN
   CYGWIN_OBJ=
   PRE_ALLOC_OBJ=
   POST_ALLOC_OBJ=lastfile.o
-elif test "$opsys" = "qnxnto"; then
-  CYGWIN_OBJ=sheap.o
 else
   CYGWIN_OBJ=
   PRE_ALLOC_OBJ=lastfile.o
-- 
2.7.4