OSX 上编译mpi程序出错！求大神解答

fjndhjf

代码如下

#include<stdio.h>
#include"mpi.h"

int main(int argc, char *argv[]){
        int totalTaskNum, rankID;

        int rt = MPI_Init(&argc, &argv);
        if(rt != MPI_SUCCESS){
                printf("Error starting MPI.\n");
                MPI_Abort(MPI_COMM_WORLD, rt);
        }

        MPI_Comm_size(MPI_COMM_WORLD, &totalTaskNum);
        MPI_Comm_rank(MPI_COMM_WORLD, &rankID);

        printf("Hellow, world! %dth of totalTaskNum = %d\n", rankID, totalTaskNum);

        MPI_Finalize();

        return 0;
}


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$ mpicc -o firstmpi kong.c
Undefined symbols for architecture x86_64:
  "_MPI_Abort", referenced from:
      _main in kong-443991.o
  "_MPI_Comm_rank", referenced from:
      _main in kong-443991.o
  "_MPI_Comm_size", referenced from:
      _main in kong-443991.o
  "_MPI_Finalize", referenced from:
      _main in kong-443991.o
  "_MPI_Init", referenced from:
      _main in kong-443991.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)

windoze

问题是OSX上根本没有自带mpicc/mpic++之类的东东，你自己装的是什么版本呢？MacPorts？Homebrew？

lost_templar

看起来是没有链接上 mpi 的库

fjndhjf

回复 2# windoze

自己下载了MPICH2安装了，用mpicc和mpif77正常安装过其他软件，但不知道这个简单的程序怎么会出现这个问题

fjndhjf

回复 3# lost_templar

估计是，需要怎么链接呢？多谢指点