[Pkg-scicomp-devel] Bug#364691: ufsparse: FTBFS: errors building demos

[Aaron M. Ucko]

Package: ufsparse
Severity: serious
Justification: no longer builds from source

ufsparse fails to build from source on all architectures, with errors
building certain demos.  On most platforms, the problematic demo is
KLU's, which contains x86 assembly; on PowerPC, for instance, the log
reads

    gcc -fPIC -g -Wall -O2 -I../Include -I../../AMD/Include -I../../COLAMD -I../../BTF/Include -I../User -I../../CHOLMOD/Include -I -I../../CCOLAMD kludemo.c dsecnd.c -o kludemo ../Lib/libklu.a ../../AMD/Lib/libamd.a ../../COLAMD/libcolamd.a ../../BTF/Lib/libbtf.a ../User/libklu_cholmod.a ../../CHOLMOD/Lib/libcholmod.a ../../CCOLAMD/libccolamd.a  -lm
    dsecnd.c: In function 'nanotime_ia32':
    dsecnd.c:8: error: impossible constraint in 'asm'
    make[3]: *** [kludemo] Error 1
    make[3]: Leaving directory `/build/buildd/ufsparse-1.2/KLU/Demo'

On amd64, the build makes more progress, but hits a linker error
further on due to a missing build dependency on lapack3-dev:

    gcc -fPIC -g -Wall -O2 -DNPARTITION -o cholmod_demo -I../Include cholmod_demo.c ../Lib/libcholmod.a ../../AMD/Lib/libamd.a ../../COLAMD/libcolamd.a ../../CCOLAMD/libccolamd.a  -llapack -lblas -lg2c  -lm
    /usr/bin/ld: cannot find -llapack
    collect2: ld returned 1 exit status
    make[3]: *** [cholmod_demo] Error 1
    make[3]: Leaving directory `/build/buildd/ufsparse-1.2/CHOLMOD/Demo'

Could you please fix these issues?

Thanks!

For the record, you can find full build logs at
http://buildd.debian.org/build.php?arch=&pkg=ufsparse .

-- System Information:
Debian Release: testing/unstable
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'stable'), (300, 'unstable'), (300, 'testing')
Architecture: amd64 (x86_64)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.16.9
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)