[plt-scheme] Trouble embedding scheme on Mac OS X

I've figured out a way to avoid the bus error:  Use 
scheme_set_stack_base to set the stack base.  The documentation doesn't 
mention that this is necessary.  Any clue why this may be necessary?

Thanks,
Norbert

On 24-Sep-04, at 11:59 PM, Norbert Zeh wrote:

>  For list-related administrative tasks:
>  http://list.cs.brown.edu/mailman/listinfo/plt-scheme
>
> Well, ultimately I am trying to have a scheme back-end for a Cocoa 
> GUI; but since I got bus errors in there, I tried whether the sample 
> code from the PLT documentation would work.  I also tried to link 
> against the PLT_MzScheme framework, and I tried to build it on my 
> second machine to see whether something was funny about this 
> machine/installation; all to no avail.
>
> Thanks for trying anyway.
>
> Norbert
>
> On 24-Sep-04, at 11:17 PM, Richard Cleis wrote:
>
>> I changed your build-line to match my machine, but I used the 
>> lib*.a's that were created by activities of so long ago that I can't 
>> help you much:
>>
>> gcc -o test_scheme test_scheme.c ../../plt/src/mzscheme/libmzscheme.a 
>> ../../plt/src/mzscheme/libmzgc.a -L../../plt/include -I../../plt/lib
>>
>> I must confess that I don't fully understand what you are trying to 
>> do with that line, since I use Project Builder for embedding.
>>
>> Anyway, the above builds and runs fine on 10.3.5 here in lower North 
>> America.
>>
>> rac
>>
>>
>>
>>
>> On Sep 24, 2004, at 6:25 PM, Norbert Zeh wrote:
>>
>>>  For list-related administrative tasks:
>>>  http://list.cs.brown.edu/mailman/listinfo/plt-scheme
>>>
>>> Hi folks:
>>>
>>> I am having trouble building an application that has PLT scheme 
>>> embedded in it.  My environment is OS X 10.3.  I tried to compile 
>>> and run the first bit of sample code from "Inside PLT Scheme":
>>>
>>> #include <stdio.h>
>>> #include <scheme.h>
>>>
>>> int main (int argc, char * argv[]) {
>>> 	
>>> 	Scheme_Env *e = scheme_basic_env();
>>> 	Scheme_Object *curout = scheme_get_param(scheme_config, 
>>> MZCONFIG_OUTPUT_PORT);
>>> 	int i;
>>> 	for(i = 1; i < argc; i++) {
>>> 		if(scheme_setjmp(scheme_error_buf)) {
>>> 			return -1;
>>> 		} else {
>>> 			Scheme_Object *v = scheme_eval_string(argv[i], e);
>>> 			scheme_display(v, curout);
>>> 			scheme_display(scheme_make_character('\n'), curout);
>>> 			scheme_apply(scheme_builtin_value("read-eval-print-loop"), 0, 
>>> NULL);
>>> 		}
>>> 	}
>>> 	return 0;
>>> }
>>>
>>> It compiles and links fine; but when I run it, I get a "bus error".  
>>> This even happens when I build the following piece of code:
>>>
>>> #include <stdio.h>
>>> #include <scheme.h>
>>>
>>> int main (int argc, char * argv[]) {
>>> 	
>>> 	Scheme_Env *e = scheme_basic_env();
>>> 	return 0;
>>> }
>>>
>>> So something weird seems to happen inside scheme_basic_env().  Any 
>>> idea what I may be doing wrong?
>>>
>>> In case this matters, I use the following line to build the code:
>>>
>>> gcc -o test_scheme test_scheme.c -lmzscheme -lmzgc 
>>> -L../../plt/include -I../../plt/lib
>>>
>>> Thanks,
>>> Norbert
>>>
>>
>