I have a build error with the newest release openmpi 1.5.5 building against. cuda 4.1
Making all in vtlib make[5]: Entering directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_science_openmpi/openmpi/work/build/ompi/contrib/vt/vt/vtlib' CC vt_libwrap.lo CC vt_gpu.lo CC vt_cudartwrap.lo CC vt_cudart.lo /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_science_openmpi/openmpi/work/openmpi-1.5.5/ompi/contrib/vt/vt/vtlib/vt_cudartwrap.c:1378:14: error: conflicting types for 'cudaPointerGetAttributes' cudaError_t cudaPointerGetAttributes(struct cudaPointerAttributes *attributes, void *ptr) ^ In file included from /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_science_openmpi/openmpi/work/openmpi-1.5.5/ompi/contrib/vt/vt/vtlib/vt_cudartwrap.c:13: In file included from /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_science_openmpi/openmpi/work/openmpi-1.5.5/ompi/contrib/vt/vt/vtlib/vt_cudartwrap.h:25: In file included from /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_science_openmpi/openmpi/work/openmpi-1.5.5/ompi/contrib/vt/vt/vtlib/vt_cuda_runtime_api.h:20: /usr/local/cuda/include/cuda_runtime_api.h:3899:39: note: previous declaration is here extern __host__ cudaError_t CUDARTAPI cudaPointerGetAttributes(struct cudaPointerAttributes *attributes, const void *ptr); ^ 1 error generated. make[5]: *** [vt_cudartwrap.lo] Error 1 The error stems from the use of cuda 4.0 version of cudaPointerGetAttribute from: http://developer.download.nvidia.com/compute/DevZone/docs/html/C/doc/html/group__CUDART__UNIFIED_gccb4831aa37562c0af3e6b6712e0f12c.html but: cudaPointerGetAttributes(struct cudaPointerAttributes *attributes, const void *ptr); is the correct signature for Cuda 4.1 Cuda 4.1 is the current release so I suggest a patch be made for openpmpi 1.5.5 to detect cuda version and then use the appropriate signature. <>Srinath ================================= Srinath Vadlamani =================================