RE: [Discuss-gnuradio] Frustrating

[Moir, Tom]

I also get the following error when doing a ./configure on the gr-audio-alsa 
package

checking for pkg-config... /usr/bin/pkg-config
checking for alsa >= 0.9... Package alsa was not found in the pkg-config search 
path.
Perhaps you should add the directory containing `alsa.pc'
to the PKG_CONFIG_PATH environment variable
No package 'alsa' found

and search as I might for alsa.pc I cannot find it anywhere on the system never 
mind set an environmental variable.

regards

Tom




-----Original Message-----
From:   address@hidden on behalf of Moir, Tom
Sent:   Fri 8/12/2005 9:02 AM
To:     Eric Blossom
Cc:     address@hidden
Subject:        RE: [Discuss-gnuradio] Frustrating

Thank you Eric. I am using Fedora 3 on a PC trying to compile the core. That 
worked (compiling single precision for the FFTW library). So it got through the 
.configure stage. Then when I make the core
it does tests... it passed the codec test ok  and the next 59 tests it then said
Pass: test-all

However, after that it comes up with loads of errors (all the same one repeated 
at different stages). Here is one of them
----------------------------------------------
make[5]: Entering directory 
`/root/Desktop/soft/gnuradio-temp/gnuradio-core/src/ python/gnuradio/gr'
Traceback (most recent call last):
  File "./qa_add_and_friends.py", line 23, in ?
    from gnuradio import gr, gr_unittest
  File 
"/root/Desktop/soft/gnuradio-temp/gnuradio-core/src/python/gnuradio/gr/__ 
init__.py", line 29, in ?
    from flow_graph import *
  File 
"/root/Desktop/soft/gnuradio-temp/gnuradio-core/src/python/gnuradio/gr/fl 
ow_graph.py", line 26, in ?
    from gnuradio_swig_python import buffer, buffer_add_reader, block_detail, \
ImportError: cannot import name buffer

and this last error 'cannot find import name buffer' appears again and again.

any ideas?

regards

Tom





-----Original Message-----
From:   Eric Blossom [mailto:address@hidden
Sent:   Thu 8/11/2005 2:44 PM
To:     Moir, Tom
Cc:     address@hidden
Subject:        Re: [Discuss-gnuradio] Frustrating
On Thu, Aug 11, 2005 at 01:52:03PM +1200, Moir, Tom wrote:
> I am getting to the stage where I am compiling the core and get teh following 
> error messages
> 
> 
> ../../src/lib/.libs/libgnuradio-core.so: undefined reference to 
> `fftwf_import_wisdom_from_f ile'
> ../../src/lib/.libs/libgnuradio-core.so: undefined reference to `fftwf_free'
> ../../src/lib/.libs/libgnuradio-core.so: undefined reference to `fftwf_malloc'
> ../../src/lib/.libs/libgnuradio-core.so: undefined reference to 
> `fftwf_export_wisdom_to_fil e'
> ../../src/lib/.libs/libgnuradio-core.so: undefined reference to 
> `fftwf_destroy_plan'
> ../../src/lib/.libs/libgnuradio-core.so: undefined reference to 
> `fftwf_plan_dft_1d'
> ../../src/lib/.libs/libgnuradio-core.so: undefined reference to 
> `fftwf_plan_dft_c2r_1d'
> ../../src/lib/.libs/libgnuradio-core.so: undefined reference to 
> `fftwf_plan_dft_r2c_1d'
> ../../src/lib/.libs/libgnuradio-core.so: undefined reference to 
> `fftwf_execute'
> 
> I have installed  FFTW so I cannot see why it cannot find these references?
> Can anybody help?
> 
> Thanks
> 
> Tom

Tom and everybody else: When reporting a problem *please* at a minimum
report your operating system, architecture, distribution and version.
Keeps me from having to try to read your mind...

My guess would be that the version of FFTW you installed did not have
the single precision library built and/or installed.  Not sure of your
distribution, but if you build fftw from source, these are the
configure options you want:

  $ ./configure --enable-single --enable-shared  [ and perhaps --enable-sse or 
--enable-3dnow ]

Eric





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