I am replying to my own posting here (see below).

The -pedantic option was leading to this error. The code works fine without this option.
However, I am wondering if this should be an issue or not.

Thanks
Manav



On Aug 5, 2006, at 3:35 PM, Manav Bhatia wrote:

Hi,

I am using OpenMPI 1.1 on Mac OS 10.4.7 with intel processors. I compiled and installed using the following options:

/configure --prefix=/usr/local/openmpi --disable-mpi-f77 --disable- mpi-f90

Everything compiles and runs fine in optimized mode using mpic++, however, I get the following compilation error message when compiling in debug mode

/usr/local/openmpi/include/mpi.h:147: error: ISO C++ does not support 'long long'

I am using the following compiler options in optimized mode

-DNDEBUG -fno-common -O2 -felide-constructors -funroll-loops - fstrict-aliasing -Wdisabled-optimization

and the following in debug mode

-DDEBUG -fno-common -O0 -felide-constructors -g -ansi -pedantic -W - Wall -Wunused -Wpointer-arith -Wimplicit -Wformat -Wparentheses - Woverloaded-virtual -D_GLIBCXX_DEBUG -D_GLIBCXX_DEBUG_PEDANTIC

Kindly help me understand what is happening here, and how I could resolve this error. Please let me know if I could help you with more information about this.

Thanks
Manav

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