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A comment on FemtoEmacs: Tiny Emacs clone with configuration in FemtoLisp.

Re:FemtoEmacs: Tiny Emacs clone with configuration in FemtoLisp by satbyy on Monday August 22, 2016 @11:06AM (#12336811)
My favourite Emacs clone is mg [1] from OpenBSD, but packages exist for Linux as well. I've cross-compiled it to many ARM embedded systems. Earlier, I used to use Zile, but they moved to Lua which made cross-compiling harder (so gcc / binutils are no longer enough).

[1]: http://homepage.boetes.org/software/mg/

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Re:FemtoEmacs: Tiny Emacs clone with configuration in FemtoLisp by jpfr on Monday August 22, 2016 @12:12PM (#12337310)
Lua has great support for cross-compiling. It is written in the subset of features available in both (ANSI and more recent) C and C++.

https://www.lua.org/manual/5.2/manual.html

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Re:FemtoEmacs: Tiny Emacs clone with configuration in FemtoLisp by satbyy on Monday August 22, 2016 @12:29PM (#12337452)
Not denying that. Lua by itself is easy. The thing is, to compile Zile, you need to first x-compile Lua, then x-compile luarocks, install the necessary Lua packages, then continue with x-compiling zile.

Comparatively, I've found that x-compiling vanilla emacs `--without-x` is often more easier and faster.

X-compiling Mg is more or less "gcc *.c" which is very straight-forward.

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