# Re: Build problems with pybombs

**URL:** <https://www.ruby-forum.com/t/re-build-problems-with-pybombs/240576>\
**Category:** GNU Radio\
**Created:** [April 21, 2014, 8:18pm UTC](https://www.ruby-forum.com/t/re-build-problems-with-pybombs/240576 "2014-04-21T20:18:27Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![musicdenotation](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/ea666f/32.png) [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Post date:** [April 21, 2014, 8:18pm UTC](https://www.ruby-forum.com/t/re-build-problems-with-pybombs/240576/1 "2014-04-21T20:18:27Z")

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On Fri, Apr 18, 2014 at 5:07 PM, Mike W. [address@hidden](mailto:address@hidden) wrote:

> Yes indeed - I did an update. Is there any way to force it back to 1.54?
> 
> Mike

> First, verify that you are actually using 1.55.

> To roll back, you should be able to do:

> $ sudo apt-get install libboost1.54-all-dev

> Tom

Using pybombs and libboost 1.55 gnuradio will not build.  
Using libboost 1.54 gives the oss message.

I’m going to downgrade to 12.04 until 14.04 is more stable.

Simon.