Sage is not yet ready to be built with gcc 11, see https://trac.sagemath.org/ticket/31786
On Tue, Jun 22, 2021 at 8:36 PM Kazuyoshi Furutaka <furutaka.kazuyo...@gmail.com> wrote: > > > > 2021年6月23日(水) 0:06 Dima Pasechnik <dimp...@gmail.com>: >> >> On Tue, Jun 22, 2021 at 3:45 PM Kazuyoshi Furutaka >> <furutaka.kazuyo...@gmail.com> wrote: >> [...] >> > First of all, I'd like to let you know that on Fedora-34 (x86_64), the >> > simple build (configured with --prefix only) of prestine gcc-10.3.0 fails >> > without the static version of libstdc++ library (please read this thread >> > for details). >> > >> > On Fedora-33 systems, it can build without libstdc++.a; I've tried to >> > investigate the reason but couldn't figure out yet. >> > >> > Then, even on a Fedora-34 (x86_64) system WITH libstdc++.a, the build of >> > Sage 9.4.beta3 fails; the build of gcc-10.3.0 failed due to >> > "gcc-multilib-multiarch.patch": without it, the build of gcc succeeds. >> > I'll attach the log of the failed gcc build. >> > On Fedora, >> > MULTILIB_OSDIRNAMES = m64=../lib64 m32=../lib mx32=../libx32 >> > instead of >> > MULTILIB_OSDIRNAMES = m64=../lib m32=../lib32 mx32=../libx32 >> > >> > Sorry for just a report; I could not yet figure out how to resolve this >> > issue (modify the patch). >> >> it is not clear what you are trying to do. >> >> The reasons gcc is included as a package in Sage are mostly >> historical; I don't think there are many current use cases for it, >> and I think it actually should be removed. >> Fortunately there are enough options nowadays to source C/C++/Fortran >> compilers elsewhere. >> (at most, Sage might need to add some C,C++,Fortran flags) >> >> HTH, >> Dima > > > I once post a reply but it seems to disappear... > > I just want to build Sage from source. > The sage-build try to build GCC and a huge number of its dependent packages > though they're already on my system as rpm packages because GCC on Fedora is > TOO NEW. > So I'm very happy if someone modify the build system to avoid the > time-consuming build of GCC and its dependent! > > Yours, > Kazuyoshi > -- > Kazuyoshi Furutaka > > -- > You received this message because you are subscribed to the Google Groups > "sage-devel" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sage-devel+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sage-devel/CANjERvf_M%3DDf25S3HKvkPhzXMxNEXGRcAbtUSU6g0J2UG6Q3CQ%40mail.gmail.com. -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-devel/CAAWYfq2g68RNyD6L6jw2d_XNtOrdrqc8K3TvoMcU_H9iVXRPLQ%40mail.gmail.com.
