Gus picked up the issue properly - you're setting CXX to gcc; it needs to be g++. 

If configure fails with g++, then you have a busted C++ compiler (that's a guess; I haven't seen the output from failed configure when uu specify CXX=g++). You can disable OMPI's use of C++ with. --disable-MPI-CXX on the configure command line. 

My phone auto corrected MPI and CXX to be caps in the option name;
They should be lower case. 

Sent from my phone. No type good. 

On Jun 14, 2013, at 5:31 AM, "Reem Alraddadi" <> wrote:

Hi  all,
Jeff -- I am not sure want do you mean by STL but currently I am using mpich-3.0.4 with gcc and I don't have any problem. Is there a way to know if C++ still works on Mac or not? I am sure that on Mac I use C++ but i haven't try to use it before.

Gus-- I tried to use CXX=g++ but the configure step fail. since gcc has C compiler I just switch to gcc.


On 13 June 2013 22:13, Gus Correa <> wrote:
Hi all

On 06/13/2013 05:02 PM, Jeff Squyres (jsquyres) wrote:
It looks like you might have a busted C++ compiler.

Why not use CXX=g++?
Would this be the problem?

>> $ export CXX=gcc

Gus Correa

Can you compile any non-MPI C++ programs that use the STL?

On Jun 12, 2013, at 6:58 AM, Reem Alraddadi<>  wrote:

Dear all,

I am trying to build openmpi-1.6.1 on Mac os x version 10.7.5. The configuration process goes without any error. However, when I did "make all" I got an error:

std::allocator<std::pair<unsigned int const, unsigned int>  >  >*) constin Stats.o
ld: symbol(s) not found for architecture x86_64
collect2: ld returned 1 exit status
make[9]: *** [otfaux] Error 1
make[8]: *** [all-recursive] Error 1
make[7]: *** [all-recursive] Error 1
make[6]: *** [all] Error 2
make[5]: *** [all-recursive] Error 1
make[4]: *** [all-recursive] Error 1
make[3]: *** [all] Error 2
make[2]: *** [all-recursive] Error 1
make[1]: *** [all-recursive] Error 1
make: *** [all-recursive] Error 1

you can see the whole make file in attachement. In configure step I wrote the following:

$ export F77=gfortran

$ export FFLAGS='-m64'

$ export FC=gfortran

$ export FCFLAGS='-m64'

$ export CC=gcc

$ export CXX=gcc

$export ARCHFLAGS="-arch x86_64"

$ ~/Desktop/openmpi-1.6.1/configure --prefix=/Users/reemalraddadi/openmpi-install 2>&1 |tee c.txt  --enable-gfortran -with-gnu-ld  -o

I am pretty sure that I use my Mac is 64-bit :

$ file /usr/lib/libffi.dylib

/usr/lib/libffi.dylib: Mach-O universal binary with 2 architectures/usr/lib/libffi.dylib (for architecture x86_64):    Mach-O 64-bit dynamically linked shared library x86_64
/usr/lib/libffi.dylib (for architecture i386):    Mach-O dynamically linked shared library i386

Does anyone has an idea where the wrong is?


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