On a Scientific Linux 5.5 system the nightly snapshot openmpi-1.7.5a1r30797 fails to build with following errors:
Making all in romio make[3]: Entering directory `/tmp/adrian/openmpi-compile/openmpi-1.7.5a1r30797/build/ompi/mca/io/romio/romio' make[4]: Entering directory `/tmp/adrian/openmpi-compile/openmpi-1.7.5a1r30797/build/ompi/mca/io/romio/romio' make[4]: Leaving directory `/tmp/adrian/openmpi-compile/openmpi-1.7.5a1r30797/build/ompi/mca/io/romio/romio' make[3]: Leaving directory `/tmp/adrian/openmpi-compile/openmpi-1.7.5a1r30797/build/ompi/mca/io/romio/romio' make[3]: Entering directory `/tmp/adrian/openmpi-compile/openmpi-1.7.5a1r30797/build/ompi/mca/io/romio' CCLD mca_io_romio.la romio/.libs/libromio_dist.a(delete.o): In function `lstat64': delete.c:(.text+0x0): multiple definition of `lstat64' romio/.libs/libromio_dist.a(close.o):close.c:(.text+0x0): first defined here romio/.libs/libromio_dist.a(fsync.o): In function `lstat64': fsync.c:(.text+0x0): multiple definition of `lstat64' romio/.libs/libromio_dist.a(close.o):close.c:(.text+0x0): first defined here romio/.libs/libromio_dist.a(get_amode.o): In function `lstat64': get_amode.c:(.text+0x0): multiple definition of `lstat64' romio/.libs/libromio_dist.a(close.o):close.c:(.text+0x0): first defined here romio/.libs/libromio_dist.a(get_atom.o): In function `lstat64': get_atom.c:(.text+0x0): multiple definition of `lstat64' and many more of those errors. 1.7.4 also fails. Following can be seen during configure (with no parameters): WARNING: Unknown architecture ... proceeding anyway Adrian