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Subject: [OMPI devel] trunk - ibverbs configure error on Solaris-11
From: Paul Hargrove (phhargrove_at_[hidden])
Date: 2014-01-08 20:38:44


When trying to configure the OMPI trunk on a Solaris-11/x86-64 with
--enable-openib, I see the following error not seen with the 1.7 branch:

*** Compiler flags
checking which of CFLAGS are ok for debugger modules... -DNDEBUG -m64 -mt
checking for debugger extra CFLAGS... -g
checking for the C compiler vendor... (cached) sun
checking if want to add padding to the openib BTL control header... no
checking for fcntl.h... (cached) yes
checking for sys/poll.h... (cached) yes
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
checking if ConnectX XRC support is enabled... no
checking if dynamic SL is enabled... no
configure: WARNING: Verbs support requested (via --with-verbs) but not
found.
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 versions of libibverbs do not require libsysfs.
configure: error: Aborting.

This is despite an earlier:
checking if MCA component btl:openib can compile... yes

The error above is with the Solaris Studio compilers, but the same happens
with the GNU compilers.
The (compressed) full configure output for the GNU case is attached.

This is a regression relative to the current 1.7.4rc, in which the openib
btl works fine on Solaris-11/x86-64, by which I mean I can configure with
--enable-openib and the following command line works:
mpirun -host pcp-j-19,pcp-j-20 -mca btl openib,self -np 2 examples/ring_c

My best guess is that either the libsysfs requirement itself OR its
associated test is Linux-specific.

-Paul

-- 
Paul H. Hargrove                          PHHargrove_at_[hidden]
Future Technologies Group
Computer and Data Sciences Department     Tel: +1-510-495-2352
Lawrence Berkeley National Laboratory     Fax: +1-510-486-6900