Ah: Here's the config.log:
configure:133950: checking whether IBV_LINK_LAYER_ETHERNET is declared configure:133950: gcc -std=gnu99 -c -g -Wall -Wundef -Wno-long-long -Wsign-compare -Wmissing-prototypes -Wstrict-prototypes -Wcomment -pedantic -Werror-implicit-function-declaration -finline-functions -fno-strict-aliasing -pthread -I/usr/local/src/ompi-trunk/opal/mca/hwloc/hwloc152/hwloc/include -I/usr/local/src/ompi-trunk/opal/mca/event/libevent2021/libevent -I/usr/local/src/ompi-trunk/opal/mca/event/libevent2021/libevent/include conftest.c >&5 conftest.c:611: warning: function declaration isn't a prototype configure:133950: $? = 0 configure:133950: result: yes And I see it in opal_config.h: /* Define to 1 if you have the declaration of `IBV_LINK_LAYER_ETHERNET', and to 0 if you don't. */ #define HAVE_DECL_IBV_LINK_LAYER_ETHERNET 1 Note the #define is HAVE_DECL_IBV_LINK_LAYER_ETHERNET but the code is checking for HAVE_IBV_LINK_LAYER_ETHERNET! No _DECL_... > -----Original Message----- > From: devel [mailto:devel-boun...@open-mpi.org] On Behalf Of Steve Wise > Sent: Tuesday, August 20, 2013 9:07 AM > To: 'Jeff Squyres (jsquyres)' > Cc: 'Open MPI Developers'; 'Indranil Choudhury' > Subject: Re: [OMPI devel] openmpi-1.7.2 fails to use the RDMACM CPC > > > > > -----Original Message----- > > From: Jeff Squyres (jsquyres) [mailto:jsquy...@cisco.com] > > Sent: Tuesday, August 20, 2013 8:59 AM > > To: Steve Wise > > Cc: Open MPI Developers; Indranil Choudhury > > Subject: Re: [OMPI devel] openmpi-1.7.2 fails to use the RDMACM CPC > > > > On Aug 20, 2013, at 9:51 AM, Steve Wise <sw...@opengridcomputing.com> wrote: > > > > > I checked in the correct fix, > > > > Er, no. Please re-read my email -- your fix was incorrect (you're > > overriding the output of an AC > macro). > > :-) > > > > What is the correct fix then? I've never worked with any of this AC stuff... > > With the existing code (prior to my broken fix), HAVE_IBV_LINK_LAYER_ETHERNET > does not get defined. > Yet the enum and the link_type field are in verbs.h... > > Thanks. > > > _______________________________________________ > devel mailing list > de...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/devel