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Date: Fri, 6 Feb 2004 16:00:37 -0500
Subject: [Caml-list] Re: Aqua ocamlbrowser on Mac OS X
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To: Shivkumar Chandrasekaran <shiv@ece.ucsb.edu>
From: Trevor Jim <trevor@research.att.com>
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X-Spam: no; 0.00; unison:01 command-line:01 xxxxxxxx:99 carbon:99 argc:01 argv:01 argv:01 shivkumar:01 otherlibs:01 labltk:01 ocaml:01 caml:01 caml:01 null:01 command:98 
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I debugged the following when getting a version of Unison running in 
Aqua:

     /* When you click-start or use the open command, the program is 
invoked with
        a command-line arg of the form -psn_XXXXXXXXX.  The XXXXXXXX is 
a "process
        serial number" and it seems to be important for Carbon programs. 
  We need
        to get rid of it if it's there so the ocaml code won't exit.  
Note, the
        extra arg is not added if the binary is invoked directly from 
the command
        line without using the open command. */
     if (argc == 2 && strncmp(argv[1],"-psn_",5) == 0) {
         argc--;
         argv[1] = NULL;
     }

I just put that in main before calling caml.  (I am calling caml from 
ObjC.)

-Trevor

On Friday, February 6, 2004, at 02:11  PM, Shivkumar Chandrasekaran 
wrote:

> did not work if I double-clicked on Ocamlbroswer.app. I then tried 
> from the command line
>
> open -a Ocamlbrowser
>
> That at least let ocamlbrowser display its error message that the 
> options to the command line were at fault. All the Console showed in 
> the log was a dreaded "RegisterProcess failed (error -50)" message.
>
> So I edited the source file ..../otherlibs/labltk/browser/main.ml and 
> essentially commented out the command line argument parsing step. I 
> did "make" and moved the new binary into 
> OCamlbrowser.app/Contents/MacOS/ and everything works pretty nicely 
> now.

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