The bitmap code uses ffs*() to find the first bit set. Brice
Le 01/02/2012 11:58, Jeff Squyres a écrit : > Paul -- any idea what library that symbol actually lives in? > > FWIW, I can't find that symbol -- or anything like it -- in the hwloc code > base. Is it being pulled in by some dependent library? > > > On Jan 31, 2012, at 7:57 PM, Paul H. Hargrove wrote: > >> This report is the flip-side of the problem w/ Solaris Studio compilers on >> x86-64. >> With Solaris-10 on SPARC, I find I *can* build hwloc-1.3.1 w/ SS12.x, but >> instead am failing w/ gcc. >> >> Keep in mind that /usr/bin/gcc on this system is one from Sun, not the FSF: >>> -bash-3.00$ which gcc >>> /usr/bin/gcc >>> -bash-3.00$ gcc --version >>> sparc-sun-solaris2.10-gcc (GCC) 4.0.4 (gccfss) >>> Copyright (C) 2006 Free Software Foundation, Inc. >>> This is free software; see the source for copying conditions. There is NO >>> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. >> The key bit there is "(gccfss)" = "GCC for SPARC Systems" >> >> The problem is a load-time missing symbol when I "gmake check": >>> $ gmake check V=1 >>> Making check in src >>> [...] >>> gmake[2]: Entering directory >>> `/home/hargrove/OMPI/hwloc-1.3.1-solaris10-sparcT2-gccfss404/BLD/utils' >>> ld.so.1: hwloc-calc: fatal: relocation error: file >>> /home/hargrove/OMPI/hwloc-1.3.1-solaris10-sparcT2-gccfss404/BLD/src/.libs/libhwloc.so.4: >>> symbol __ffssi2: referenced symbol not found >>> FAIL: test-hwloc-calc.sh >>> ld.so.1: hwloc-distrib: fatal: relocation error: file >>> /home/hargrove/OMPI/hwloc-1.3.1-solaris10-sparcT2-gccfss404/BLD/src/.libs/libhwloc.so.4: >>> symbol __ffssi2: referenced symbol not found >>> FAIL: test-hwloc-distrib.sh >>> ======================================================== >>> 2 of 2 tests failed >>> Please report to http://www.open-mpi.org/community/help/ >>> ======================================================== >> Again I am sorry I didn't get a chance to discover this in 1.3.1rc2. >> >> -Paul >> >> -- >> Paul H. Hargrove phhargr...@lbl.gov >> Future Technologies Group >> HPC Research Department Tel: +1-510-495-2352 >> Lawrence Berkeley National Laboratory Fax: +1-510-486-6900 >> >> _______________________________________________ >> hwloc-devel mailing list >> hwloc-de...@open-mpi.org >> http://www.open-mpi.org/mailman/listinfo.cgi/hwloc-devel >
