[gmx-users] ffyw3f library not found..

[Justin A. Lemkul]

Fabio Affinito wrote:
> On 09/23/2010 12:27 PM, Kamalesh Roy wrote:
>> Dear users
>>
>> I am trying to install Gromacs-4.5 with fftw-3.2.2  in Fedora version 9,
>> when I am trying to install the Groamcs
>> after installing fftw it is giving me an error that ftwf library not found.
>>
>> Please hep me.....
>>
>> -- 
>> Regards
>> Kamalesh Roy
>>
> 
> Same problem here.
> Using:
> ./configure --prefix=/bgp/userinternal/cin0644a/gromacs \
>              --enable-ppc-sqrt \
>              --disable-ppc-altivec \
>              --with-fft=fftw3 \
>              --without-x \
>              CFLAGS="-O3 -qarch=auto -qtune=auto" \
>              CC="xlc_r -q64" \
>              CXX="xlC_r -q64" \
>              CXXFLAGS="-O3 -qarch=auto -qtune=auto" \
>              CPPFLAGS="-I/bgp/userinternal/cin0644a/fftwlibs/include" \
>              F77="xlf_r -q64" \
>              FFLAGS="-O3 -qnoprefetch -qarch=auto -qtune=auto" \
>              LDFLAGS="-L/bgp/userinternal/cin0644a/fftwlibs/lib"
> is fine with 4.0.7 but it generates
> checking for main in -lfftw3f... no
> configure: error: Cannot find fftw3f library
> in 4.5.1
> 

Did you install floating-point or double-precision libraries?  In this case, it 
appears that you've at least set LDFLAGS correctly, now the issue is whether or 
not you've got a precision mismatch.

-Justin

> I successfully installed 4.5.1 only using the --with-fft=fftpack
> 
> Fabio
> 
> 
> 

-- 
========================================

Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
MILES-IGERT Trainee
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin

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