It's probably https://developer.r-project.org/Blog/public/2019/05/15/gfortran-issues-with-lapack/index.html - and you have a slightly broken "new" gfortran...
Sorry for barking up the wrong tree. IMHO, we should just use https://trac.sagemath.org/ticket/27870 and https://trac.sagemath.org/ticket/28884 and do not try to solve already solved issues yet again. On Tue, Dec 31, 2019 at 11:02 PM Frédéric Chapoton <[email protected]> wrote: > > After 'sage -f openblas", I am back at the previous situation : I have the > three files blas.pc etc again in local/lib/pkgconfig. Building R still fails > in the same way. > > F > > Le mardi 31 décembre 2019 12:14:15 UTC+1, Frédéric Chapoton a écrit : >> >> I have launched "sage -f openblas", and this is re-building many things. Now >> building giac, so probably succedeed in building openblas. >> >> F >> >> Le mardi 31 décembre 2019 12:08:48 UTC+1, Dima Pasechnik a écrit : >>> >>> have you built openblas successfully? >>> >>> On Tue, 31 Dec 2019, 18:52 Frédéric Chapoton, <[email protected]> wrote: >>>> >>>> I had three files there : blas.pc, cblas.pc and openblas.pc. Removing >>>> them, and then ./configure, and then make build : same problem, unchanged. >>>> >>>> F >>>> >>>> Le mardi 31 décembre 2019 11:36:21 UTC+1, Dima Pasechnik a écrit : >>>>> >>>>> you might have remains of unmerged tickets with spkg-configure for >>>>> openblas etc. Check that you don't have links to *blas.pc files in >>>>> local/lib/pkgconfig/ >>>>> >>>>> On Tue, 31 Dec 2019, 18:13 Frédéric Chapoton, <[email protected]> wrote: >>>>>> >>>>>> Welcome to Ubuntu 18.04.3 LTS (GNU/Linux 4.15.0-70-generic x86_64) >>>>>> >>>>>> This fails in the same way, even after I installed libblas-dev. >>>>>> >>>>>> F >>>>>> >>>>>> Le mardi 31 décembre 2019 10:41:31 UTC+1, Eric Gourgoulhon a écrit : >>>>>>> >>>>>>> Le mardi 31 décembre 2019 09:40:06 UTC+1, Frédéric Chapoton a écrit : >>>>>>>> >>>>>>>> I have problems when building R 3.6.2 on my (usually rather stable) >>>>>>>> Ubuntu patchbot. >>>>>>> >>>>>>> >>>>>>> Which version of Ubuntu? I could build R 3.6.2 without any trouble on >>>>>>> Ubuntu 18.04, with the system BLAS (i.e. the Ubuntu package libblas-dev >>>>>>> is installed on my system). >>>>>>> >>>>>>> Best wishes, >>>>>>> >>>>>>> Eric. >>>>>> >>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "sage-release" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>>> an email to [email protected]. >>>>>> To view this discussion on the web visit >>>>>> https://groups.google.com/d/msgid/sage-release/c103cd52-8ab5-4f17-aaab-e293f54b3ac4%40googlegroups.com. >>>> >>>> -- >>>> You received this message because you are subscribed to the Google Groups >>>> "sage-release" group. >>>> To unsubscribe from this group and stop receiving emails from it, send an >>>> email to [email protected]. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/sage-release/52cf4cb6-c672-4164-98ab-edb64edbd357%40googlegroups.com. > > -- > You received this message because you are subscribed to the Google Groups > "sage-release" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sage-release/71d44c0a-ecba-4bf7-8f76-a8d8d73b9abb%40googlegroups.com. -- You received this message because you are subscribed to the Google Groups "sage-release" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-release/CAAWYfq2aXcE5AoxQbugNd1c-mCkhy8XyK1BDF51DHRtTyvooeA%40mail.gmail.com.
