Error compiling from source with libfftw libraries

[Jacob Weaver]

Hello,

Thanks for making a great package and being helpful in general.

I'm trying to compile from source and keep getting this error:

[ 63%] Linking CXX shared library ../lib/libEM2.so

/usr/bin/ld: /usr/local/lib/libfftw3.a(apiplan.o): relocation R_X86_64_32S against `.rodata' can not be used when making a shared object; recompile with -fPIC

/usr/local/lib/libfftw3.a: error adding symbols: Bad value

collect2: error: ld returned 1 exit status

libEM/CMakeFiles/EM2.dir/build.make:2263: recipe for target 'lib/libEM2.so' failed

make[2]: *** [lib/libEM2.so] Error 1

CMakeFiles/Makefile2:205: recipe for target 'libEM/CMakeFiles/EM2.dir/all' failed

make[1]: *** [libEM/CMakeFiles/EM2.dir/all] Error 2

Makefile:127: recipe for target 'all' failed

make: *** [all] Error 2

I tried to go back and recompile fftw libraries from source making sure to install with single precision and enable sharing but I can't seem to fix this. 

Has anyone encountered something similar?

Thanks,

Jacob Weaver

[Steve Ludtke]

Are you compiling from current GitHub source or using an older source release?  A few weeks ago SPARX added some use of double-precision FFT, so when building from source, both single and double precision FFTW libraries must be compiled. Also, it should be linking to a .so file rather than the static .a library.

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[Jacob Weaver]

I'm compiling from the GitHub source. I'll recompile FFTW libraries with double precision and link to the .so library and see how that goes.

Thanks