Re: [Discuss-gnuradio] Is cmake 3.0 really required now?

[Tom Rondeau]

On Tue, Apr 5, 2016 at 1:22 AM, Martin Braun <address@hidden> wrote:

Greg,

note that this is a requirement of gr-fcdproplus. GNU Radio works with
CMake 2.6, although we'll surely bump that in the not-to-far future.

M

And in general, we have a very strict policy about changing minimum versions of any of our dependencies. For any API version release (the Y and X.Y.Z) series, we maintain the minimum required dependencies. In other words, we won change this from version 3.7.8 to 3.7.9.

When we release 3.8, we will update these minimum version requirements, however, which is what Martin was referring to (still no set date on that).

Tom

 

On 04/04/2016 06:16 PM, Gregory W. Ratcliff wrote:
> Old Pybombs
> 14.04 LTS (you know stable stuff)
>
> Installing packages:
> * gr-fcdproplus
> Installing from source: gr-fcdproplus
>
>     CC=gcc CXX=g++ cmake .. -DCMAKE_BUILD_TYPE=RelWithDebInfo
> -DCMAKE_INSTALL_PREFIX=/home/gratcliff/Downloads/target $config_opt
>
> CMake Error at CMakeLists.txt:32 (cmake_minimum_required):
>   CMake 3.0 or higher is required.  You are running version 2.8.12.2
>
>
> cmake 3 won't likely come to and LTS packages for a while.
>
> Thanks in advance,
>
> Greg
>
> Gregory W. Ratcliff
>
>
>
>
>
>
>
>     ------------------------------------------------------------------------
>     *From:* Jose Ruvalcaba <address@hidden>
>     *To:* address@hidden
>     *Sent:* Monday, April 4, 2016 7:41 PM
>     *Subject:* [Discuss-gnuradio] Trying to build a DVB-S2 LDPC decoder
>
>     Hello,
>     I am new to GNU radio and to SDR's and I am trying to implement a
>     DVB-S2 LDPC decoder block that can be used with the LDPC DVB-S2
>     encoder available in GNU radio. I have been able to write an LDPC
>     decoder which uses a 16,200 long parity check matrix used only for a
>     DVB-S2  short frame, rate = 1/4 code. The problem is that when
>     running my written block it's taking a long time to decode one
>     iteration of data(about an hour long). I was wondering if anyone has
>     any advice in how to go about writing code for FEC blocks,
>     especially LDPC codes, which will be used in GNU radio and
>     eventually in an SDR? In other words, are there certain libraries
>     that should be used when trying to write FEC decoders in gnu radio?
>     How could I make a GNU radio FEC block which takes in a codeword
>     length 16,200, like the one in DVB-s2, to work in a USRP? Is it
>     smart to make my large (12960 x 16,200) parity check matrix using
>     the standard 'vector' library in C++?   Any advice, tips and
>     suggestions will be greatly appreciated.
>     Thanks,
>     Jose
>
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>     address@hidden <mailto:address@hidden>
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>
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>
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