Re: [Discuss-gnuradio] Header missing when compiling dial_tone.cc

[Tom Rondeau]

On Mon, Jun 25, 2012 at 4:14 PM, Daniel Labarowski
<address@hidden> wrote:
> Hello,
> After a bit of a struggle, I finally managed to compile the dial_tone.cc
> example included with gnuradio. The issue I was having was that when running
> cmake and then make, make would return "fatal error: gr_top_block.h: No such
> file or directory". I found the header it was referring to in
> /usr/local/include/gnuradio/ and managed to get around the error by adding
> "include_directories(/usr/local/include/gnuradio)" to CMakeLists.txt. This
> works but it seems like there has to be a better way? Is there a PATH that I
> can add this to or something of that sort? CPPFLAGS seemed promising but
> adding "export CPPFLAGS=$CPPFLAGS:/usr/local/include/gnuradio/" to my bashrc
> does not seem to do anything. Also, I plan on writing some C++ flowgraphs in
> the near future and was wondering how to determine which directories to
> include in the CMakeLists.txt file? The dial tone example has
> ${GR_AUDIO_INCLUDE_DIRS} and ${GNURADIO_CORE_INCLUDE_DIRS}. Is there a list
> of such variables that correspond to certain header files, etc.? Thanks
> ahead of time!
>
> -Dan

Yes, that sounds like a problem. Probably a little bitrot on that
example. I'm sure it's an easy fix, and I've put it on my todo list.

Thanks for reporting it.

Tom