You probably need to add --with-openib-libdir=/path/to/your/32/bit/
ofed/libs. I'm guessing that the system installed the 64 bit libs in
the default location and the 32 bit libs in a different location. If
that's the case, then --with-openib-libdir will tell OMPI specifically
where to look for those libs and use those instead.
On Aug 12, 2008, at 1:32 PM, Mohd Radzi Nurul Azri wrote:
Hi,
I've been trying to install openmpi 1.2.5 on my cluster system
running RHEL 4 (x64) with OFED 1.3. I need openmpi 1.2.5 (32 bit)
and OFED seems to only install 64 bit version. I tried to build OFED
with 32 bit support but it failed so I figure it's best to just
compile 32 bit openmpi. I followed the FAQ and few user experience
on the web.
I ran this command:
./configure --prefix=/usr/mpi/gcc/32bit --with-openib=/usr CFLAGS=-
m32 CXXFLAGS=-m32 FFLAGS=-m32 FCFLAGS=-m32
and after few scrolling lines, it stops here:
--- MCA component btl:openib (m4 configuration macro)
checking for MCA component btl:openib compile mode... dso
looking for header without includes
checking infiniband/verbs.h usability... yes
checking infiniband/verbs.h presence... yes
checking for infiniband/verbs.h... yes
looking for library without search path
checking for ibv_open_device in -libverbs... no
looking for library in lib
checking for ibv_open_device in -libverbs... no
looking for library in lib64
checking for ibv_open_device in -libverbs... no
checking for ibv_create_srq... no
checking for ibv_get_device_list... no
checking for ibv_resize_cq... no
configure: WARNING: OpenFabrics support requested (via --with-
openib) but not fo und.
configure: WARNING: If you are using libibverbs v1.0 (i.e., OFED
v1.0 or v1.1), you *MUST* have both the libsysfs headers and
libraries installed. Later versio ns of libibverbs do not require
libsysfs.
configure: error: Aborting.
What went wrong? From the error it says early OFED version which is
not the one I'm using (running OFED 1.3 now).
Any advice is greatly appreciated.
--
Thank you.
azri
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Jeff Squyres
Cisco Systems
