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I guess this is a "ld" (dynamic linker) problem.  Does the file
/etc/ld.so.conf contain a line with "/usr/local/lib" in it? If not,
add it, re-run ldconfig (sudo /sbin/ldconfig -v | grep fft) & try the
configure script again.

Maybe you need to also tell clipper where everything is using yet more
./configure script arguments.  Particularly, the include files would
be hard for Clipper to locate by itself.

e.g. ./configure --with-fftw=PATH-TO-FFTW
FFTW_LIBS="-L/PATH-TO-FFTW-LIBS -lrfftw -lfftw"
FFTW_CXXFLAGS="-I/PATH-TO-FFTW -I/PATH-TO-FFTW-INCLUDES"

HTH

Mark
P.S. ./configure --help usually comes to the rescue in these types of
cases.  Perhaps you tried that.

On 13/12/06, Kerr, Iain <[EMAIL PROTECTED]> wrote:
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I'm having trouble building Clipper on FC6 (for Coot-0.1.2 install from source 
code).

As suggested in the coot README, I'm using 
ftp://ftp.ccp4.ac.uk/prerelease/ccp4-onlylibs-dev.tar.gz

After unpacking:

cd lib
cd clipper

./configure --enable-mmdb --enable-mtz --enable-cif --enable-mmdbold 
--enable-minimol --enable-phs

I get:

checking for fftw_print_max_memory_usage in fftw... no
checking for fftw_print_max_memory_usage in sfftw... no
configure: error: If fftw exist on you system, are you sure you are using the 
fftw libraries that was configured with --enable-float?

In /usr/local/lib (which is in my PATH):

librfftw.la
libfftw.la
libfftw.a
librfftw.a

Any ideas ? The FFTW libraries come from 
http://www.ysbl.york.ac.uk/~emsley/software/fftw-2.1.5.tar.gz

Thanks,
Iain










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Mark BROOKS
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