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- Subject: New to Lua, a few big surprises and still struggling to compile/run my first experiment
- From: "Avinash D'Silva" <avinash.roshan.dsilva@...>
- Date: Sat, 5 May 2018 23:18:11 +0100
This is my first day with Lua, I am trying to build a GUI App,
I have tried NodeJS/Electron, JavaFX and C# which allow for cross
platform GUIs, but the end package would be from anywhere near 50MB to
150MB just for a Hello World GUI program.
I was really excited to try Lua after seeing a few talks on youtube.
When I downloaded Lua, I was like "How is this even possible".
The Lua binary was just around 230KB!!!
That's even smaller than jQuery and smaller than most GIFs on the
I was able to write a small Lua+FLTK GUI program in under 1 MB.
But FLTK is old & ugly(in my opinion) and I really wanted something
that looked native and modern.
This is where my problems started:
I found a portable C library: https://github.com/andlabs/libui
found another library for Lua bindings https://github.com/zhaozg/lui
libui and lua were very easy to compile because of good documentation,
even though it was my first time compiling C programs as well.
I copied the libui.a
and liblua.a from the lib folder (built using: make macosx local)
I managed to compile zhaozg/lui after porting it to Lua 5.3 and
spending my day figuring out C and it's compilation process.
The compilation succeeded and the command used is as follows on my Mac:
gcc -o lui.so -shared -framework Foundation -framework AppKit
-fPIC -Isrc src/lui.c -I ../lua-src -I ../libui -L . -llua -lui
but now if do something like: local ui = require "lui"
I get the following error:
lua: multiple Lua VMs detected
[C]: in ?
[C]: in function 'require'
Any suggestions would be very helpful.