[GRASSLIST:6090] Re: can't find fftw

[Matt Doggett]

I found it! Turns out I should have used just '--with-fftw' rather than
'--with-fftw-includes=...'  as the latter was generating a warning
message. Thanks for the tip.

md

> -----Original Message-----
> From: owner-GRASSLIST at baylor.edu [mailto:owner-GRASSLIST at baylor.edu]
On
> Behalf Of Glynn Clements
> Sent: Friday, April 18, 2003 10:05 AM
> To: mdoggett at coas.oregonstate.edu
> Cc: GRASSLIST at baylor.edu
> Subject: [GRASSLIST:6089] Re: can't find fftw
> 
> 
> Matt Doggett wrote:
> 
> > I'm trying to compile grass5.0.2 using --with-fftw except the
configure
> > script can never find the fftw.h file, even when I tell it
explicitly
> > where it is, ie:
> > ./configure --with-fftw-includes=/usr/local/include
> > --with-fftw-libs=/usr/local/lib
> >  * * *
> > checking whether to use FFTW... yes
> > checking for location of FFTW includes... /usr/local/include
> > checking for fftw.h... no
> > checking for dfftw.h... no
> > configure: error: *** Unable to locate FFTW includes.
> >
> > [root at mistral grass5.0.2]# ls -l /usr/local/include/fftw*
> > -rw-r--r--    1 root     root        12462 Apr 18 08:53
> /usr/local/include/fftw.h
> > -rw-r--r--    1 root     root         1680 Apr 18 08:53
> /usr/local/include/fftw_threads.h
> >
> > Any clues on this problem?
> 
> Look in config.log for a relevant error message.
> 
> The header checks attempt to pre-process a test program which includes
> the specified header (i.e. "#include <fftw.h>"); if the process
> produces any output (e.g. error/warning messages), the check is deemed
> to have failed.
> 
> In the event of harmless warnings which cannot be prevented, disabling
> warnings by adding "-w" to CPPFLAGS (e.g. "CPPFLAGS=-w ./configure
...")
> may help.
> 
> --
> Glynn Clements <glynn.clements at virgin.net>