[erlang-questions] IPC bus for Erlang?

Dan Gudmundsson dgud@REDACTED
Fri Apr 3 07:58:19 CEST 2009

On Mac OS X you will need to compile and install wxWidgets by yourself, before compiling 
erlang. The wxWidgets libs that are included with Mac OS X Leopard is old and is missing 
some things I require, (e.g. wxStyledTextCtrl which provides erlang syntax highlighting).

See compiling instructions here:


Camille Troillard wrote:
> Hi Steve,
> On Thu, Apr 2, 2009 at 2:06 PM, Steve Davis 
> <steven.charles.davis@REDACTED <mailto:steven.charles.davis@REDACTED>> 
> wrote:
>     I've been working on a library that does much of what you describe. It
>     wraps for the cross-platform GUI library 'wx' that appeared in R13A
>     release of Erlang/OTP.
> Yes, I have tested that on Windows and it worked well.
> However, on Mac OS X it compiles but I get :
> Erlang R13A (erts-5.7) [source] [smp:2:2] [rq:2] [async-threads:0] 
> [hipe] [kernel-poll:false]
> Eshell V5.7  (abort with ^G)
> 1> sudoku:start().
> <0.34.0>
> 2> 
> =ERROR REPORT==== 2-Apr-2009::22:06:50 ===
> WX Failed loading "wxe_driver"@"/usr/local/lib/erlang/lib/wx-0.98/priv/i386-apple-darwin9.6.0" 
> ** exception error: {load_driver,"dlopen(/usr/local/lib/erlang/lib/wx-0.98/priv/i386-apple-darwin9.6.0/wxe_driver.so, 2): Symbol not found: __ZN10wxGLCanvas20MacVisibilityChangedEv\n  Referenced from: /usr/local/lib/erlang/lib/wx-0.98/priv/i386-apple-darwin9.6.0/wxe_driver.so\n  Expected in: flat namespace\n"}
>      in function  wxe_server:start/0
>      in call from wx:new/0
>      in call from sudoku_gui:new/1
>      in call from timer:tc/3
>      in call from sudoku:tc/3
>      in call from sudoku:init/1
> I didn't find the origin of this problem.
> However, I searched and found the symbol was defined in the wxWidgets 
> library included with Mac OS X (libwx_macud_gl-  Why 
> the library is not dynamically loaded is a mystery to me.
>     This interface runs the UI as a separate process (a gen_server), it
>     allows you to specify the application GUI in XML which makes it very
>     easy to design/modify/update. It allows you to pass in a callback
>     module to use for the UI issued commands. So it's pretty close to your
>     design target.
> It looks very interesting.
> However, my application will need to use a widespread format, so any 
> user that has basic skill in HTML can write simple extensions.
>     The problem is that I only started development of this library less
>     than a month ago, it's as yet unfinished, and as yet badly documented
>     as it's a work in rapid progress.
>     However you may wish to keep an eye on:
>     http://github.com/komone/gx
> I am interested in anything that touches close of far GUI and Erlang.
> I will have a look, thanks!
> Best,
> Cam
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