# Re: problem building gr-howto-write-a-block-cmake

**URL:** <https://www.ruby-forum.com/t/re-problem-building-gr-howto-write-a-block-cmake/217014>\
**Category:** GNU Radio\
**Created:** [February 19, 2012, 7:42pm UTC](https://www.ruby-forum.com/t/re-problem-building-gr-howto-write-a-block-cmake/217014 "2012-02-19T19:42:19Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![luislavena](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/l/0ea827/32.png) [@luislavena](https://www.ruby-forum.com/u/luislavena)\
**Post date:** [February 19, 2012, 7:42pm UTC](https://www.ruby-forum.com/t/re-problem-building-gr-howto-write-a-block-cmake/217014/1 "2012-02-19T19:42:19Z")

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Josh,

Unfortunately the patch did not solve the problem…

Achilleas

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**Author:** ![Achilleas\_A](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/74df32/32.png) [@Achilleas\_A](https://www.ruby-forum.com/u/Achilleas_A)\
**Post date:** [February 19, 2012, 11:11pm UTC](https://www.ruby-forum.com/t/re-problem-building-gr-howto-write-a-block-cmake/217014/2 "2012-02-19T23:11:58Z")

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On 02/19/2012 10:41 AM, Achilleas A. wrote:

> Josh,
> 
> Unfortunately the patch did not solve the problem…
> 
> Achilleas

Can you post the full output when you configure, starting w/ an empty  
build directory. I guess with that patch applied too

This is the output on my PC: [cmake ../-- The CXX compiler identification is GNU-- Check for working CXX - Pastebin.com](http://pastebin.com/ruvASKsM)

-Josh

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**Author:** ![Achilleas\_A](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/74df32/32.png) [@Achilleas\_A](https://www.ruby-forum.com/u/Achilleas_A)\
**Post date:** [February 20, 2012, 4:55pm UTC](https://www.ruby-forum.com/t/re-problem-building-gr-howto-write-a-block-cmake/217014/3 "2012-02-20T16:55:47Z")

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Here is the ouptu of a fresh cmake …/  
after applying the patch.

Achilleas

* * *

– The CXX compiler identification is GNU  
– Check for working CXX compiler: /usr/lib64/ccache/c++  
– Check for working CXX compiler: /usr/lib64/ccache/c++ – works  
– Detecting CXX compiler ABI info  
– Detecting CXX compiler ABI info - done  
– Build type not specified: defaulting to release.  
– Boost version: 1.46.0  
– checking for module ‘gruel’  
– found gruel, version 3.5.2git  
– Found GRUEL: /usr/local/lib64/libgruel.so  
– checking for module ‘gnuradio-core’  
– found gnuradio-core, version 3.5.2git  
– Found GNURADIO\_CORE: /usr/local/lib64/libgnuradio-core.so  
– Boost version: 1.46.0  
– Found the following Boost libraries:  
– unit\_test\_framework  
– Found PythonInterp: /usr/bin/python2.7  
– Found SWIG: /usr/bin/swig (found version “2.0.4”)  
– Could NOT find PythonLibs (missing: PYTHON\_LIBRARIES)  
– Found Doxygen: /usr/bin/doxygen  
– Configuring done  
– Generating done  
– Build files have been written to:  
/net/harrisville/x/anastas/gnuradio\_trunk/gr-howto-write-a-block-cmake/build