Re: [Discuss-gnuradio] Question on howto-write-a-block

[Tim Pearce]

Brook,

I'd guess its an error in one of the modifications to Makefile.am -- have you put a \ at the end of the preceding line? i.e it should be something like:

grinclude_HEADERS =        \
    howto_square_ff.h    \
    howto_square2_ff.h \
    howto_code.h

lib_LTLIBRARIES = libgnuradio-howto.la

libgnuradio_howto_la_SOURCES =     \
    howto_square_ff.cc    \
    howto_square2_ff.cc \
    howto_code.cc

It looks like its trying to execute howto_code.h (from your path) rather than adding it to the relevant enviroment variable. 

Cheers,

Tim

On Sat, Dec 5, 2009 at 4:29 AM, Brook Lin <address@hidden> wrote:

Hi All,

I am building a signal processing block following the tutorial under the
directory /gnuradio/gr-howto-write-a-block, say 'howto_code' block. I've
created howto_code.h and howto_code.cc file under
/gnuradio/gr-howto-write-a-block/src/lib, meanwhile, I modified howto.i and
Makefile.am in the same directory.

Then, under the directory /gnuradio/gr-howto-write-a-block, I run
./bootstrap
./configure
make
I got error said "/usr/bin/swig -c++ -fvirtual -python -modern
-I/usr/local/include/gnuradio/swig -I/usr/local/include/gnuradio -module
howto -o howto.cc ../../src/lib/howto.i
howto_addcode.h
/bin/bash: howto_code.h: command not found"

Can anyone advise me how to fix it? What should be the problem?

Thanks in advance,
Brook
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