[gmx-users] cc: /usr/lib/libsrfftw.so: No such file or directory (but I know is there)

[Erik Lindahl]

Jesús Salgado Benito wrote:

> Hi!
>
> I am trying to recompile gromacs double precision in a Linux RedHat 
> box (I have it already running single precision from the rpm package).
>
> I issue
> ./configure --disable-float --disable-x86-asm 

Minor issue: Don't disable x86 asm for double precision - we have SSE2 
loops that will speed up things on pentium4, and an earlier boxes we
skip the SSE2 loops automatically at runtime of your machines doesn't 
understand it!

>
>
> and then
>
> make
>
> and I get the following error:
> cc: /usr/lib/libdrfftw.so: No such file or directory
> cc: /usr/lib/libdfftw.so: No such file or directory

Try compiling FFTW from scratch. This looks like the compiler/linker 
doesn't understand the contents of the libs.

Cheers,

Erik