should also say I found octave in the end unusable on 10.6 due to a qt4 error that filled the screen output log with useless messages that everwhelmed the output.
so don't be too hopeful. K > On Jan 21, 2018, at 1:58 AM, Chris Jones <jon...@hep.phy.cam.ac.uk> wrote: > > Hi, > >> On 20 Jan 2018, at 8:55 pm, Uli Wienands <wiena...@gmail.com> wrote: >> >> Ok, I did selfupdate Macports and tried again, and indeed it now gets past >> this hurdle. >> >> However, at the end it tells me that all compilers are blacklisted & it will >> default to first fall-back option (whatever that is)_. It then wants to >> install clang 5.0 and llvm 5.0, at which time I said "no" and let the thing >> terminate. I really don't want to install another compiler. I have gcc up to >> 7 and I don't think clang works particularly well with Snow Leo. (I also >> don't think clang 5 would build on Snow Leo). >> >> Tracking this down a little further, it seems that qscintilla-qt4 is unhappy >> with my compilers. Trying to install it separately using macport's gcc-6 >> bombs as gcc-6 does not seem to understand a flag like -Xarch=64 (or >> something like this; the log file got clobbered since). >> >> Looking into the portfile for qscintilla-qt4, but I cannot see where it >> blacklists compilers. >> >> Does anyone know how to comple scintilla-qt4 using gcc? Seems hard to >> believe this does not work (the same install worked beautifully on a >> Raspberry Pi not long ago). > > You should not do this. The compiler defaults are set by the package managers > that know what work and what do know. > > Running an OS as old as snow leopard you are likely to find a lot of ports > that cannot use the now very outdated system compiler with the OS and need to > use a macports supplied one, and one of the clang compilers is generally used > here, given the fact clang is the system compiler in more recent OSes. Gcc is > not recommended to compile c++ sources, for a number of reasons. > > Just go with what macports wants here. Anything else is likely to cause you > troubles. > > Chris >> >> Thanks for you help so far >> >> Uli >> >>> On Jan 20, 2018, at 12:40 AM, Ken Cunningham >>> <ken.cunningham.web...@gmail.com> wrote: >>> >>> >>> On 2018-01-19, at 9:59 PM, Ken Cunningham wrote: >>>>> >>>>> error: >>>>> >>>>> :info:build Undefined symbols: >>>>> :info:build "_strnlen", referenced from: >>>>> :info:build _main in sldtoppm.o >>>>> :info:build ld: symbol(s) not found >>>>> >>>> >>>> >>>> Not clear - I just installed it without any issue, without modifying the >>>> portfle ... >>>> >>>> $ port -v installed netpbm >>>> The following ports are currently installed: >>>> netpbm @10.81.02_0+x11 (active) platform='darwin 10' archs='x86_64' >>>> date='2018-01-19T21:51:00-0800' >>>> >>>> >>> >>> >>> Ah - Ryan fixed it between your attempt and mine >>> <https://trac.macports.org/ticket/55716> >>> >>> >>> >>>> Perhaps you should consider opening a ticket so we can work through this >>>> properly. <https://trac.macports.org/newticket> >>> >>> Please don't - it's fixed already. >>> >>> sudo port selfupdate >>> >>> and then try your build again >>> >>> K >>
