Re: [Patch-gnuradio] Fixing the build of gnuradio on Gentoo

[Tom Rondeau]

Maciej,

I applied the patch. It seemed reasonable to look for the development
header files, too.

Thanks,
Tom


On Fri, Apr 13, 2012 at 2:46 PM, Maciej Grela <address@hidden> wrote:
> Hi,
>
> When trying to build the gnuradio from git master on my Gentoo box I
> stumbled upon the following error:
>
> -- ######################################################
> -- # Gnuradio disabled components
> -- ######################################################
> --   * doxygen
> --   * gnuradio-companion
> --   * gr-comedi
> --   * gr-qtgui
> --   * gr-uhd
> --   * gr-shd
> --   * gr-wxgui
> --
> -- Using install prefix: /usr/local
> -- Building for version: 3.6.0git-10-g6a1e9783 / 3.6.0git
> CMake Error: The following variables are used in this project, but they
> are set to NOTFOUND.
> Please set them or make sure they are set and tested correctly in the
> CMake files:
> JACK_INCLUDE_DIR
>   used as include directory in directory
> /home/grela/Dokumenty/devel/gnuradio/gr-audio/lib
>
> -- Configuring incomplete, errors occurred!
>
>
> The reason for it is that the current FindJack cmake module sets
> JACK_FOUND when a libjack.so library is found. This fact is not a clear
> indication that you can build anything using JACK - you also need the
> header files. On Gentoo, a 32-bit compatibility libjack.so library is
> provided in the system by the app-emulation/emul-linux-x86-soundlibs
> compatibility package, but the header files are not there - therefore
> this error occurs. I've changed the FindJack cmake module to set
> JACK_FOUND only when both the library and header files are present. This
> approach is more robust in my opinion.
>
> The attached patch has been formatted with git format-patch. Will you
> consider applying it to the main repo ?
>
> Best regards,
>
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