Well this is interesting. After installing Xcode 11 Beta 2, Command Line tools and setting the Xcode-select path to the Xcode-beta.app, I find that 'sudo port build OpenBLAS' now fails with...
:info:build OPENBLAS_NUM_THREADS=1 OMP_NUM_THREADS=1 ./sblat2 < ./sblat2.dat :info:build Program received signal SIGSEGV: Segmentation fault - invalid memory reference. :info:build Backtrace for this error: :info:build #0 0x1029863e4 :info:build #1 0x102985b06 :info:build #2 0x7fff688fab1c :info:build /bin/sh: line 1: 22671 Segmentation fault: 11 OPENBLAS_NUM_THREADS=1 OMP_NUM_THREADS=1 ./sblat2 < ./sblat2.dat :info:build make[1]: *** [level2] Error 139 :info:build make[1]: *** Waiting for unfinished jobs.... :info:build make[1]: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_OpenBLAS/OpenBLAS/work/xianyi-OpenBLAS-5f36f18/test' On Sun, Oct 13, 2019 at 10:49 AM Jack Howarth <howarth.at.macpo...@gmail.com> wrote: > Okay, I have Xcode 11.2 beta 2 and the associated Command Line Tools > installed. Is there some permutation of options to pass to 'port' that will > rebuild and reinstall a currently installed MacPorts package without > uninstalling it first? > Jack > > On Sun, Oct 13, 2019 at 10:13 AM Chris Jones <jon...@hep.phy.cam.ac.uk> > wrote: > >> >> >> > On 13 Oct 2019, at 3:11 pm, Joshua Root <j...@macports.org> wrote: >> > >> > On 2019-10-14 00:59 , Jack Howarth wrote: >> >> >> >> >> >>> On Sun, Oct 13, 2019 at 9:49 AM Chris Jones <jon...@hep.phy.cam.ac.uk >> >>> <mailto:jon...@hep.phy.cam.ac.uk>> wrote: >> >>> >> >>> >> >>> >> >>> On 13 Oct 2019, at 2:46 pm, Joshua Root <j...@macports.org >> >>> <mailto:j...@macports.org>> wrote: >> >>> >> >>> On 2019-10-14 00:35 , Chris Jones wrote: >> >>>> >> >>>> After that, my next guess would perhaps another issue related to >> the >> >>>> stack-check issue with Xcode 11. See e.g. the fix I added for >> >>>> OpenBLAS >> >>>> >> >>>> >> https://github.com/macports/macports-ports/commit/6e78e5c9495b4dc4e7e050fae2b41dd5b9accfdd#diff-a755de84ca7f97ab071328807d829e0b >> >>> >> >>> I'd be wary of removing a hardening measure and leaving it at >> that. It >> >>> could be revealing a genuine stack-smashing bug. >> >> >> >> Agreed. Accordingly to Jeremy though its a Xcode bug expected to be >> >> fixed in 11.2. Thats why I subsequently added a version check, see >> e.g. >> > >> > Ah, good to know. Do you have a link to Jeremy's statement out of >> curiosity? >> >> No I don’t, I only know this second hand from a comment by Ken... >> >> > >> >> >> https://github.com/macports/macports-ports/blob/master/math/OpenBLAS/Portfile >> >> >> >> Line 109. >> >> >> >>> >> >>> - Josh >> >> >> >> >> >> Josh, >> >> Does anyone know if this is already fixed in the posted Xcode 11.2 >> >> beta 2? If so, would rebuilding the OpenBLAS package with it be >> >> sufficient or aren't we sure where the offending code lies? >> >> Jack >> > >> > I don't know sorry. >> > >> > - Josh >> >>
