I see the failure below when building 1.7.4rc1 on FreeBSD-9 (amd64). It looks to be just a missing header, probably sys/stat.h.
$ gcc --version gcc (GCC) 4.2.1 20070831 patched [FreeBSD] Only configure option passed was --prefix-... -Paul Making all in mca/sharedfp/sm CC sharedfp_sm.lo CC sharedfp_sm_component.lo CC sharedfp_sm_seek.lo CC sharedfp_sm_get_position.lo CC sharedfp_sm_request_position.lo CC sharedfp_sm_write.lo CC sharedfp_sm_iwrite.lo CC sharedfp_sm_read.lo CC sharedfp_sm_iread.lo CC sharedfp_sm_file_open.lo /home/phargrov/OMPI/openmpi-1.7.4rc1-freebsd9-amd64/openmpi-1.7.4rc1/ompi/mca/sharedfp/sm/sharedfp_sm_file_open.c: In function 'mca_sharedfp_sm_file_open': /home/phargrov/OMPI/openmpi-1.7.4rc1-freebsd9-amd64/openmpi-1.7.4rc1/ompi/mca/sharedfp/sm/sharedfp_sm_file_open.c:121: error: 'S_IRUSR' undeclared (first use in this function) /home/phargrov/OMPI/openmpi-1.7.4rc1-freebsd9-amd64/openmpi-1.7.4rc1/ompi/mca/sharedfp/sm/sharedfp_sm_file_open.c:121: error: (Each undeclared identifier is reported only once /home/phargrov/OMPI/openmpi-1.7.4rc1-freebsd9-amd64/openmpi-1.7.4rc1/ompi/mca/sharedfp/sm/sharedfp_sm_file_open.c:121: error: for each function it appears in.) /home/phargrov/OMPI/openmpi-1.7.4rc1-freebsd9-amd64/openmpi-1.7.4rc1/ompi/mca/sharedfp/sm/sharedfp_sm_file_open.c:121: error: 'S_IWUSR' undeclared (first use in this function) /home/phargrov/OMPI/openmpi-1.7.4rc1-freebsd9-amd64/openmpi-1.7.4rc1/ompi/mca/sharedfp/sm/sharedfp_sm_file_open.c:121: error: 'S_IRGRP' undeclared (first use in this function) /home/phargrov/OMPI/openmpi-1.7.4rc1-freebsd9-amd64/openmpi-1.7.4rc1/ompi/mca/sharedfp/sm/sharedfp_sm_file_open.c:121: error: 'S_IROTH' undeclared (first use in this function) *** [sharedfp_sm_file_open.lo] Error code 1 -- Paul H. Hargrove phhargr...@lbl.gov Future Technologies Group Computer and Data Sciences Department Tel: +1-510-495-2352 Lawrence Berkeley National Laboratory Fax: +1-510-486-6900