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Re: Build Emacs without Lisp?

From: Jeffrey Walton
Subject: Re: Build Emacs without Lisp?
Date: Sun, 26 Jun 2016 16:11:03 -0400

>> The goal is to use Emacs as my text editor.
> Are you on some uncommon platform where you
> have to compile everything manually or why
> don't you just use the distro's package manager
> to install it?

Yes. I'm in a Debian QEMU/Chroot for S/390x because I don't have
access to one. Debian tests our package under it via Porter, so I'm
using their methodology. Also see

We added Ports testing because Debian was finding bugs under these
platforms. We are trying to get out in front of things rather than
playing catch-up.

I'm pretty sure the Debian's Bash package is broken, but it happens to
work on i686 and x86_64, Aarch32, Aarch64 and a few others. However,
when it runs on S/390, Sparc64 and a few others, it seg faults. Also

I _suspect_ the Debian Bash bug is due to a non-static jmpbuf, but I
have not had time to investigate it. The jmpbuf happens to be zero'd
on some platforms because of the zero-page writer, but it gets unlucky
on some others. The suspicion is based on the 828041 bug above.

For completeness, I suspect the problems in this thread are the reason
Emacs is not available for S/390: (1) Bash is broken, so it fails self
tests; and (2) GDB is broken so no one can investigate why.


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