how to deal with 'undefined reference' while running ./build.sh

[Wu Chaofu]

Dear votca-ers,

I try to install votca with the following command lines

./build.sh --prefix ${prefix} tools cg -DEXPAT_LIBRARY=/usr/local/expat/lib/libexpat.a -DEXPAT_INCLUDE_DIR=/usr/local/expat/include -DFFTW3_LIBRARY=/usr/local/fftw/lib/libfftw3.a -DFFTW3_INCLUDE_DIR=/usr/local/fftw/include -DGSL_LIBRARY=/usr/local/gsl/lib/libgsl.a -DGSL_INCLUDE_DIR=/usr/local/gsl/include/ -DGSLCBLAS_LIBRARY=/usr/local/gsl/lib/libgslcblas.a -DSQLITE3_LIBRARY=/usr/local/sqlite/lib/libsqlite3.a -DSQLITE3_INCLUDE_DIR=/usr/local/sqlite/include

But the process interrupts with a few outputs

Linking CXX shared library libvotca_tools.so                                                 

[ 94%] Built target votca_tools                                                              

Scanning dependencies of target votca_property

[ 97%] Building CXX object src/tools/CMakeFiles/votca_property.dir/votca_property.cc.o       

Linking CXX executable votca_property                                                        

../libtools/libvotca_tools.so.3: undefined reference to `dlsym'                              

../libtools/libvotca_tools.so.3: undefined reference to `dlerror'

../libtools/libvotca_tools.so.3: undefined reference to `dlopen'

../libtools/libvotca_tools.so.3: undefined reference to `dlclose'

collect2: ld returned 1 exit status

make[2]: *** [src/tools/votca_property] Error 1

make[1]: *** [src/tools/CMakeFiles/votca_property.dir/all] Error 2

make: *** [all] Error 2

How to deal with this issue, please? Thanks a lot for any reply.

Yours sincerely,

Chaofu Wu

[xiaowu759]

Either of the following solutions posted previously can not deal with it

install/build a shared version of fftw;
specify a shared fftw to -DFFTW3_LIBRARY;
add libm.so to -DFFTW3_LIBRARY



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[Sikandar Mashayak]

Hi Chaofu Wu,

Try linking to shared libraries .so instead of static (.a). See if that helps.

Best,

Sikandar

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[Christoph Junghans]

2015-09-15 9:00 GMT-06:00 Sikandar Mashayak <symas...@gmail.com>:
> Hi Chaofu Wu,
>
> Try linking to shared libraries .so instead of static (.a). See if that
> helps.

Yes, that would be my suggestion, too. If you don't have shared
libraries in /usr/local/ you could try to build VOTCA statically by
adding -DBUILD_SHARED_LIBS=OFF as option to build.sh.

Christoph

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Christoph Junghans
Web: http://www.compphys.de