Thanks, this should be fixed in trunk >= r4230, I'll backport in other branches soon. We didn't need add -lm for fabs() because gcc uses an intrinsics, and libxml2 depends on libm, quite lucky. Brice
Le 01/02/2012 03:48, Paul H. Hargrove a écrit : > The problem I described below is ALSO present in hwloc-1.4 > -Paul > > On 1/31/2012 4:48 PM, Paul H. Hargrove wrote: >> When Jeff Squyres indicated that ompi-1.5.5 will use hwloc-1.3.x, I >> started putting hwloc-1.3.1 through my testing gauntlet. >> I am sorry I didn't find this in the 1.3.1rc2, but when it came out >> Dec 15 I wasn't setup as well for testing as I am now. >> >> What I have found is that with the Solaris Studio 12.2 and 12.3 >> compilers I see link failures in util/ from "make all". >> This has been seen on both Solaris/x86-64 and Linux/x86-64, but >> Solaris/SPARC seems to be OK. >> >> Here is what I see with "make V=1" on Solaris: >>> /bin/sh ../libtool --tag=CC --mode=link cc -m32 >>> -I/home/phargrov/OMPI/hwloc-1.3.1-solaris11-x86-ib-ss12u2/hwloc-1.3.1/include >>> -L/home/phargrov/OMPI/hwloc-1.3.1-solaris11-x86-ib-ss12u2/BLD/src >>> -o hwloc-calc hwloc-calc.o >>> /home/phargrov/OMPI/hwloc-1.3.1-solaris11-x86-ib-ss12u2/BLD/src/libhwloc.la >>> -lkstat -llgrp >>> libtool: link: cc -m32 >>> -I/home/phargrov/OMPI/hwloc-1.3.1-solaris11-x86-ib-ss12u2/hwloc-1.3.1/include >>> -o .libs/hwloc-calc hwloc-calc.o >>> -L/home/phargrov/OMPI/hwloc-1.3.1-solaris11-x86-ib-ss12u2/BLD/src >>> /home/phargrov/OMPI/hwloc-1.3.1-solaris11-x86-ib-ss12u2/BLD/src/.libs/libhwloc.so >>> -lkstat -llgrp >>> -R/home/phargrov/OMPI/hwloc-1.3.1-solaris11-x86-ib-ss12u2/INST/lib >>> Undefined first referenced >>> symbol in file >>> fabsf >>> /home/phargrov/OMPI/hwloc-1.3.1-solaris11-x86-ib-ss12u2/BLD/src/.libs/libhwloc.so >>> ld: fatal: symbol referencing errors. No output written to >>> .libs/hwloc-calc >> >> Here is Linux: >>> /bin/bash ../libtool --tag=CC --mode=link cc >>> -I/home/phargrov/OMPI/hwloc-1.3.1-linux-x86_64-ss12u3/hwloc-1.3.1/include >>> -L/home/phargrov/OMPI/hwloc-1.3.1-linux-x86_64-ss12u3/BLD/src -o >>> hwloc-calc hwloc-calc.o >>> /home/phargrov/OMPI/hwloc-1.3.1-linux-x86_64-ss12u3/BLD/src/libhwloc.la >>> libtool: link: cc >>> -I/home/phargrov/OMPI/hwloc-1.3.1-linux-x86_64-ss12u3/hwloc-1.3.1/include >>> -o .libs/hwloc-calc hwloc-calc.o >>> -L/home/phargrov/OMPI/hwloc-1.3.1-linux-x86_64-ss12u3/BLD/src >>> /home/phargrov/OMPI/hwloc-1.3.1-linux-x86_64-ss12u3/BLD/src/.libs/libhwloc.so >>> -lpci -Wl,-rpath >>> -Wl,/home/phargrov/OMPI/hwloc-1.3.1-linux-x86_64-ss12u3/INST/lib >>> /home/phargrov/OMPI/hwloc-1.3.1-linux-x86_64-ss12u3/BLD/src/.libs/libhwloc.so: >>> undefined reference to `fabsf' >>> collect2: ld returned 1 exit status >> >> The problem in both cases appears to be that libhwloc.so needs libm >> for fabsf(), but the library dependency is not resolved. >> Though the Solaris build above was configured w/ CFLAGS=-m32, setting >> CFLAGS=-m64 fails in the same way. >> >> I *can* build hwloc-1.3.1 w/ gcc on the hosts where the SS12.x >> compilers fail. >> >> -Paul >> >
