Re: Missing lib with Suitesparse 4.4.5

[Marco Atzeri]

On 27/10/2015 21:02, John W. Eaton wrote:
> On 10/27/2015 01:29 PM, Marco Atzeri wrote:
> > Building latest dev source with Cygwin 64, I was forced to
> >
> > make LIBS="-lsuitesparseconfig"
> >
> > to complete the build.
> >
> > It seems that the test for additional library for UMFPACK
> > is not effective as the problem is also here:
> >
> > liboctave/array/.libs/libarray.a(liboctave_array_libarray_la-CSparse.o):CSparse.cc:(.rdata$.refptr.
> >
> >
> > SuiteSparse_hypot[.refptr.SuiteSparse_hypot]+0x0): undefined reference
> > to `SuiteSparse_hypot'
> > liboctave/array/.libs/libarray.a(liboctave_array_libarray_la-CSparse.o):CSparse.cc:(.rdata$.refptr.
> >
> >
> > SuiteSparse_divcomplex[.refptr.SuiteSparse_divcomplex]+0x0): undefined
> > reference to `SuiteSparse_di
> > vcomplex'
> > liboctave/array/.libs/libarray.a(liboctave_array_libarray_la-CSparse.o):CSparse.cc:(.rdata$.refptr.
> >
> >
> > SuiteSparse_config[.refptr.SuiteSparse_config]+0x0): undefined reference
> > to `SuiteSparse_config'
> > collect2: error: ld returned 1 exit status
> > Makefile:13064: recipe for target 'liboctave/liboctave.la' failed
> >
> > As almost all the SuiteSparse libraries are now linked to
> > suitesparseconfig, should be better to check for its existence ?
>
> The configure.ac file seems to already include a check for the
> suitesparseconfig library.  Is that test not working properly for Cygwin?
>
> See also the m4/acinclude.m4 file for the
> OCTAVE_UMFPACK_NEED_SUITESPARSE_TIME macro.
>
> jwe

the test seems not effective, at least on cygwin 64bit.

configure:39829: checking whether UMFPACK needs SuiteSparse_time function
configure:39872: gcc -o conftest.exe -g -O2  -fopenmp 
-Wl,-no-undefined -L/usr/local/lib conftest.c -lumfpack  -lamd -lblas 
-L/usr/local/lib -L/usr/lib/gcc/x86_64-pc-cygwin/4.9.3 
-L/usr/lib/gcc/x86_64-pc-cygwin/4.9.3/../../../../x86_64-pc-cygwin/lib/../lib 
-L/usr/lib/gcc/x86_64-pc-cygwin/4.9.3/../../../../lib -L/lib/../lib 
-L/usr/lib/../lib 
-L/usr/lib/gcc/x86_64-pc-cygwin/4.9.3/../../../../x86_64-pc-cygwin/lib 
-L/usr/lib/gcc/x86_64-pc-cygwin/4.9.3/../../.. -lm -lgfortran -lquadmath 
-lcygwin -ladvapi32 -lshell32 -luser32 -lm   >&5
configure:39872: $? = 0
configure:39887: result: no