The LDConvert error must be some LongDouble stuff not guarded correctly with #if HAS_LONG_DOUBLE (or a variation thereof). Cygwin does not provide these. It should be reported upstream.
Actually we have a trac ticket and that has been reported upstream: https://trac.sagemath.org/ticket/21690 On Thursday, January 26, 2017 at 5:04:52 AM UTC+1, Frank Garvan wrote: > > As suggested I did the following: > > cd sage > export SAGE_ATLAS_ARCH=base > ./configure --with-blas=atlas > make > > Go the following error: > > Error building Sage. > > The following package(s) may have failed to build (not necessarily > during this run of 'make all'): > > * package: libfplll-5.0.3rc0 > log file: /home/Owner/sage/logs/pkgs/libfplll-5.0.3rc0.log > build directory: > /home/Owner/sage/local/var/tmp/sage/build/libfplll-5.0.3rc0 > > > Have attached log file libfplll-5.0.3rc0.log > > Thanks > FG > > On Wednesday, January 25, 2017 at 9:02:26 AM UTC-5, Erik Bray wrote: >> >> On Tue, Jan 24, 2017 at 7:50 PM, Francois Bissey >> <francoi...@canterbury.ac.nz> wrote: >> > That was my suspicion. Now does sage-on-cygwin use openblas? >> > If not that means the corresponding `.pc` files have to be filled >> > with something appropriate before installing any blas/lapack >> dependencies. >> > >> > The present hack I introduced in gsl and causes this error is to force >> > the linking of libgsl to our selected cblas. By default upstream >> > leave it underlinked. The problem with underlinking is that you get >> > in corner cases when the sage library components using gsl are also >> > underlinked if you have “-Wl,—as-needed” in your LDFLAGS and you >> > use the gold linker. And sage won’t start up… >> > Generally speaking the underlinking is a bad idea in our context. >> > Adding a “LIBS” at configuration time was the easiest thing to do. >> > May be it needs to be avoided on cygwin. >> >> >> I currently build Sage on Cygwin using the system-provided lapack >> package and ./configure --with-blas=atlas. I don't think I've >> explicitly gotten it working with a self-built openblas yet but it >> hasn't been a priority. >> >> >> >> On 25/01/2017, at 03:57, Dima Pasechnik <dim...@gmail.com> wrote: >> >> >> >> >> >> >> >> On Tuesday, January 24, 2017 at 2:00:54 PM UTC, Frank Garvan wrote: >> >> >> >> Have attached config.log file >> >> >> >> Thanks. I think what really happens is that openblas did not install >> correctly, and gsl >> >> has a dependence on it. >> >> In more detail, your log says: >> >> >> >> configure:3502: gcc -g -O2 -L/home/Owner/sage/local/lib >> -Wl,-rpath,/home/Owner/sage/local/lib conftest.c -lopenblas -lm >&5 >> >> >> /usr/lib/gcc/x86_64-pc-cygwin/5.4.0/../../../../x86_64-pc-cygwin/bin/ld: >> cannot find -lopenblas >> >> >> >> Could you post the corresponding log (SAGEROOT/logs/pkgs/openblas-*) ? >> >> >> >> >> >> >> >> >> >> On Tuesday, January 24, 2017 at 3:26:49 AM UTC-5, François wrote: >> >> Need to see >> >> /home/Owner/sage/local/var/tmp/sage/build/gsl-2.1.p1/src/config.log >> >> but I suspect I am responsible. >> >> >> >> François >> >> >> >> > On 24/01/2017, at 14:51, Frank Garvan <fga...@gmail.com> wrote: >> >> > >> >> > >> >> > Have attached log file. >> >> > >> >> > Can this be fixed? >> >> > >> >> > Thanks >> >> > >> >> > PS: Running cygwin64 on windows10 >> >> > processor: Intel Core i3-6100 CPU @ 3.70 Ghz >> >> > RAM: 8.00 GB >> >> > system type: 64-bit operating system, x64-based processor >> >> > >> >> > -- >> >> > 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+...@googlegroups.com. >> >> > To post to this group, send email to sage-...@googlegroups.com. >> >> > Visit this group at https://groups.google.com/group/sage-devel. >> >> > For more options, visit https://groups.google.com/d/optout. >> >> > <gsl-2.1.p1.log> >> >> >> >> >> >> -- >> >> 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+...@googlegroups.com. >> >> To post to this group, send email to sage-...@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+...@googlegroups.com. >> > To post to this group, send email to sage-...@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. 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