You'll probably have to run "mpicc --showme" to see all the flags that OMPI is passing to the underlying compiler, and use those (or equivalents) to the ObjC compiler.
On Sep 19, 2011, at 8:34 AM, Ralph Castain wrote:
> Nothing to do with us - you call a function "NSLog" that Objective C doesn't recognize. That isn't an MPI function.
> On Sep 18, 2011, at 8:20 PM, Scott Wilcox wrote:
>> I have been asked to convert some C++ code using Open MPI to Objective C and I am having problems getting a simple Obj C program to compile. I have searched through the FAQs and have not found anything specific. Is it an incorrect assumption that the C interfaces work with Obj C, or am I missing something?
>> Thanks in advance for your help!
>> open MPI version: 1.4.3
>> OSX 10.5.1
>> file: main.m
>> #import <Foundation/Foundation.h>
>> #import "mpi.h"
>> int main (int argc, char** argv)
>> // Variable Declaration
>> int theRank;
>> int theSize;
>> // Initializing Message Passing Interface
>> //*** end
>> NSLog(@"Executing open MPI Objective C");
>> UNC ONLY: SAW>mpicc main.m -o test
>> Undefined symbols:
>> "___CFConstantStringClassReference", referenced from:
>> cfstring=Executing open MPI Objective C in ccj1AlL9.o
>> "_NSLog", referenced from:
>> _main in ccj1AlL9.o
>> ld: symbol(s) not found
>> collect2: ld returned 1 exit status
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