There is currently an issue with brial and gcc 6.2.0 that remains to be fixed. I don’t remember if someone blacklisted that gcc as a consequence.
I should do something about that, even if it is a bit radical. François > On 1/11/2016, at 09:55, William Stein <wst...@gmail.com> wrote: > > On Mon, Oct 31, 2016 at 1:16 PM, François Bissey > <francois.bis...@canterbury.ac.nz> wrote: >> Yes, building gcc 4.9.3 with gcc 6.2.0 is not exactly supported. > > I set nothing and just went with Sage defaults. What a mess... > >> >> >> On 01/11/16 09:09, William Stein wrote: >>> >>> I tried to install sage-7.4 on a clean new Ubuntu:16.10 docker >>> container (on 64-bit x68 intel). It fails trying to building GCC with >>> >>> ... >>> gcc-4.9.3.p1] (cd >>> '/home/w/sage-7.4/local/var/tmp/sage/build/gcc-4.9.3.p1' && >>> '/home/w/sage-7.4/sage' --sh) >>> [gcc-4.9.3.p1] When you are done debugging, you can type "exit" to >>> leave the subshell. >>> [gcc-4.9.3.p1] >>> ************************************************************************ >>> Makefile:1725: recipe for target >>> '/home/w/sage-7.4/local/var/lib/sage/installed/gcc-4.9.3.p1' failed >>> make[2]: *** [/home/w/sage-7.4/local/var/lib/sage/installed/gcc-4.9.3.p1] >>> Error 1 >>> make[2]: Leaving directory '/home/w/sage-7.4/build/make' >>> Makefile:891: recipe for target 'all-toolchain' failed >>> make[1]: *** [all-toolchain] Error 2 >>> make[1]: Leaving directory '/home/w/sage-7.4/build/make' >>> >>> real 12m18.858s >>> user 8m6.992s >>> sys 2m15.888s >>> *************************************************************** >>> Error building Sage. >>> >>> The following package(s) may have failed to build (not necessarily >>> during this run of 'make all'): >>> >>> * package: gcc-4.9.3.p1 >>> log file: /home/w/sage-7.4/logs/pkgs/gcc-4.9.3.p1.log >>> >>> --- >>> >>> Full log attached. >>> >>> To see exactly the same thing on any x86 docker-capable machine, just >>> use docker to run the ubuntu:16.10 image, then >>> >>> apt-get update; apt-get install dpkg-dev m4 flex bison python perl >>> >>> adduser sage >>> >>> su - sage >>> >>> wget http://files.sagemath.org/src/sage-7.4.tar.gz >>> >>> extract and make. >>> >>> -- William >>> >>> On Mon, Oct 31, 2016 at 11:23 AM, Thomas Hunter <thunt...@swarthmore.edu> >>> wrote: >>>> >>>> (I'm new to posting in these groups so I apologize in advance if I am >>>> misplacing my query.) >>>> >>>> I'd also love to know how to work around this. If the thread moved >>>> elsewhere, please post a pointer here. >>>> >>>> Many thanks, >>>> Thomas >>>> >>>> On Thursday, October 20, 2016 at 11:21:52 AM UTC-4, Herbert Eisenbeis >>>> wrote: >>>>> >>>>> >>>>> In deed, the GCC hardening in Ubuntu 16.10 is responsible for the make >>>>> error. >>>>> Two questions: >>>>> >>>>> How can I configure make to circumvent the error in building flint? >>>>> Are some other sage packages affected by GCC hardening? >>>>> >>>>> Herbert >>>>> >>>>> >>>>> Am Donnerstag, 20. Oktober 2016 14:40:13 UTC+2 schrieb Jeroen Demeyer: >>>>>> >>>>>> >>>>>> The problem seems to be that your GCC was configured with >>>>>> --enable-default-pie and FLINT does not like that. More information at >>>>>> >>>>>> https://wiki.ubuntu.com/SecurityTeam/PIE >>>> >>>> >>>> -- >>>> 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 post to this group, send email to sage-devel@googlegroups.com. >>>> Visit this group at https://groups.google.com/group/sage-devel. >>>> For more options, visit https://groups.google.com/d/optout. >>> >>> >>> >>> >> >> -- >> 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 post to this group, send email to sage-devel@googlegroups.com. >> Visit this group at https://groups.google.com/group/sage-devel. >> For more options, visit https://groups.google.com/d/optout. > > > > -- > William (http://wstein.org) > > -- > 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 post to this group, send email to sage-devel@googlegroups.com. > Visit this group at https://groups.google.com/group/sage-devel. > For more options, visit https://groups.google.com/d/optout. -- 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 post to this group, send email to sage-devel@googlegroups.com. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
