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

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

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 <joruvalc@gmail.com>
> *To:* discuss-gnuradio@gnu.org
> *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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