[gmx-users] Re: fftw & enable-float
Bo Yang
n62star at yahoo.com
Fri Nov 19 23:17:10 CET 2004
Hello, Lianqing:
Yes, I did.
Here is how I did:
----
[:~/fftw/fftw-2.1.5] bo% make distclean
--
[:~/fftw/fftw-2.1.5] bo% ./configure -enable-float
checking for a BSD-compatible install...
/usr/bin/install -c
checking whether build environment is sane... yes
---
---
[:~/fftw/fftw-2.1.5] bo% ./configure
--prefix=/Users/bo/fftw/fftw-2.1.5
checking for a BSD-compatible install...
/usr/bin/install -c
checking whether build environment is sane... yes
---
Making all in doc
make[1]: Nothing to be done for `all'.
Making all in threads
make[1]: Nothing to be done for `all'.
Making all in mpi
make[1]: Nothing to be done for `all'.
make[1]: Nothing to be done for `all-am'.
---
[:~/fftw/fftw-2.1.5] bo% make install
Making install in fftw
/bin/sh ../mkinstalldirs /Users/bo/fftw/fftw-2.1.5/lib
---
Libraries have been installed in:
/Users/bo/fftw/fftw-2.1.5/lib
-----end 'fftw'
This time, the 'fftw' seems to be installed. Then I
switch to 'Gromacs'. Here is how I did:
[:~/gromacs-3.2.1] bo% setenv CPPFLAGS
-I/Users/bo/fftw/fftw-2.1.5/include
[:~/gromacs-3.2.1] bo% setenv LDFLAGS
-L/Users/bo/fftw/fftw-2.1.5/lib
[:~/gromacs-3.2.1] bo% ./configure
---
---
configure: error: Cannot find any single precision
sfftw.h or fftw.h
Do you have single precision FFTW installed? If you
are using packages,
note that you also need fftw-devel to compile GROMACS.
You can find the
software at www.fftw.org, and detailed instructions at
www.gromacs.org.
---- end of Gromacs
Thank you for any comments.
Bo
--- Lianqing Zheng <lzheng at me.rochester.edu> wrote:
> Did you use --enable-float or -enable-float?
>
>
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