Robert Bradshaw wrote: > On Aug 11, 2009, at 5:02 PM, Peter Jeremy wrote: > >> On 2009-Aug-11 07:05:42 +1000, Peter Jeremy >> <peterjer...@optushome.com.au> wrote: >>> I thought I saw a csin() during the build so I'll investigate and >>> add code as necessary. >> The relevant error in "devel/sage/sage/ext/fast_callable.pyx" is: >> ImportError: /usr/home/peter/sage-4.1.1.rc2/local/lib/python/ >> site-packages/sage/ext/interpreters/wrapper_cdf.so: Undefined >> symbol "csin" >> >> csin is defined in libgfortran.so but for some reason, wrapper_cdf.so >> isn't linked against it. I will need to learn more about the cython >> build process to understand why. > > csin is part of the c99 standard, and should be defined in complex.h > http://en.wikipedia.org/wiki/Complex.h . I'm not sure why you'd have > to link against the fortran libraries (though they would provide > their own complex sin). Just as a check, is it being linked with -lm? > > - Robert
As you may have gathered from another email, I was hoping to get an improved configure script at the start of the Sage build. If csin() is needed, it would seem sensible that I check for that library function early on. Should the build of Sage be terminated early if csin() can't be found in libm? Dave --~--~---------~--~----~------------~-------~--~----~ To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
