No, you do NOT need "proper" gcc to build Sage on OSX, you need OSX's clang/clang++ OSX in its infinite wisdom aliases clang to gcc.
One cannot build Sage on OSX with "real" gcc. That is, your "gcc" should be /usr/bin/gcc, which is actually clang. On Tue, Oct 8, 2019 at 5:56 PM Zachary Scherr <[email protected]> wrote: > Hi Dima, > > I have, but I noticed something interesting which is that gcc and g++ > are no longer symlinked in my /usr/local/bin. I have gcc-9 and g++-9 in > there, but when I try "which gcc" and "which g++" I get /usr/bin/gcc and > /usr/bin/g++ which are the versions installed by command line tools. This > is making me even more confused because sage didn't even attempt to build > with the version of gcc installed by homebrew. > > I'm currently retesting with gcc and g++ symlinked to the new version. > I'll let you know if I have any success. > > Thanks, > Zach > > On Tuesday, October 8, 2019 at 4:25:23 PM UTC-4, Dima Pasechnik wrote: >> >> did you try updating homebrew? >> >> I think that what ultimately helped Ben to get a working gfortran, and >> correctly build whatever scipy's dependency is causing the problem. >> >> >> On Tue, Oct 8, 2019 at 3:17 PM Zachary Scherr <[email protected]> wrote: >> >>> In an attempt to add openssl to sage I ran: sage -i openssl && sage -f >>> python2 (which I've done successfully in every previous version of Sage >>> 8.x). >>> >>> The sage -f python2 failed while trying to build scipy-1.2.0. This may >>> be related to Ben's post >>> https://groups.google.com/forum/#!topic/sage-devel/40E66JVHhW8 since it >>> also failed with the message >>> >>> ld: library not found for -lSystem >>> >>> I too have gcc installed through homebrew, but I also tried removing it >>> and installing gfortran separately and ended up with the same error. I've >>> attached the log file, anyone know what's going on? >>> >>> >>> >>> -- >>> 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 [email protected]. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/sage-devel/5a356d10-a069-487a-a75c-ace33ba11f07%40googlegroups.com >>> <https://groups.google.com/d/msgid/sage-devel/5a356d10-a069-487a-a75c-ace33ba11f07%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- > 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 [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sage-devel/cd8fa4be-df55-42a4-aeb3-d747fc42fbda%40googlegroups.com > <https://groups.google.com/d/msgid/sage-devel/cd8fa4be-df55-42a4-aeb3-d747fc42fbda%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- 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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-devel/CAAWYfq0u5xsmYe6cYCtxeoqjt0Vn5gfaD2jRsvmBhwuoPEJycA%40mail.gmail.com.
