On Friday, June 3, 2016 at 3:14:20 PM UTC+1, Dima Pasechnik wrote: > > Oh, I see. You need c++ compiler (g++) installed, and you do not have it. >
in fact http://doc.sagemath.org/html/en/installation/source.html#prerequisites says: # debian sudo apt-get install binutils gcc g++ gfortran make m4 perl tar git > The error message could be better. > > On Friday, June 3, 2016 at 3:09:32 PM UTC+1, Adetokunbo Arogbonlo wrote: >> >> Hi Dima, >> Here are the commands and outputs >> ~$ which cpp >> /usr/bin/cpp >> >> ~$ file /lib/cpp >> /lib/cpp: symbolic link to /etc/alternatives/cpp >> >> ~$ file /etc/alternatives/cpp >> /etc/alternatives/cpp: symbolic link to /usr/bin/cpp >> >> ~$ cpp -v >> Using built-in specs. >> COLLECT_GCC=cpp >> Target: x86_64-linux-gnu >> Configured with: ../src/configure -v --with-pkgversion='Debian 4.9.2-10' >> ... >> >> >> >> >> >> >> On Friday, June 3, 2016 at 10:46:40 PM UTC+10, Dima Pasechnik wrote: >>> >>> what is the output of `which cpp`? >>> >>> normally, /lib/cpp (what pops up in your error message) >>> should be a symbolic link to /etc/alternatives/cpp ` like this: >>> $ file /lib/cpp >>> /lib/cpp: symbolic link to `/etc/alternatives/cpp' >>> $ file /etc/alternatives/cpp >>> /etc/alternatives/cpp: symbolic link to `/usr/bin/cpp' >>> >>> and now /usr/bin/cpp should exist and be what it should be >>> $ which cpp >>> /usr/bin/cpp >>> $ cpp -v >>> Using built-in specs. >>> COLLECT_GCC=cpp >>> Target: x86_64-linux-gnu >>> ... >>> >>> >>> >>> On Friday, June 3, 2016 at 5:53:30 AM UTC+1, Adetokunbo Arogbonlo wrote: >>>> >>>> Hi, >>>> Sagemath7.2 fails to compile from source on Debian 8.4. It gives the >>>> following error: >>>> >>>> configure: error: in `/home/seyi/sage/7.2/source/sage-7.2': >>>> configure: error: C++ preprocessor "/lib/cpp" fails sanity check >>>> See `config.log' for more details >>>> If you would like to try to build Sage anyway (to help porting), >>>> export the variable 'SAGE_PORT' to something non-empty. >>>> Makefile:24: recipe for target 'build/make/Makefile' failed >>>> make[1]: *** [build/make/Makefile] Error 1 >>>> make[1]: Leaving directory '/home/seyi/sage/7.2/source/sage-7.2' >>>> Makefile:16: recipe for target 'all' failed >>>> make: *** [all] Error 2 >>>> >>>> I have attached a copy of the config logs and the make logs. >>>> Please advise men on how to proceed. >>>> >>>> Regards >>>> Adetokunbo >>>> >>> -- 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.
