# Doxygen documentation

**URL:** <https://www.ruby-forum.com/t/doxygen-documentation/230216>\
**Category:** GNU Radio\
**Created:** [June 5, 2014, 5:38am UTC](https://www.ruby-forum.com/t/doxygen-documentation/230216 "2014-06-05T05:38:55Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![jason\_sam](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/j/7993a0/32.png) [@jason\_sam](https://www.ruby-forum.com/u/jason_sam)\
**Post date:** [June 5, 2014, 5:38am UTC](https://www.ruby-forum.com/t/doxygen-documentation/230216/1 "2014-06-05T05:38:55Z")

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How can i configure GNU Radio Companion 3.7.3 with Doxygen so taht i can  
view the blocks’ documentation from inside GRC?I have Doxygen installed  
but  
its not configured with GRC.  
Regards,  
Ali

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**Author:** ![jason\_sam](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/j/7993a0/32.png) [@jason\_sam](https://www.ruby-forum.com/u/jason_sam)\
**Post date:** [June 5, 2014, 10:07am UTC](https://www.ruby-forum.com/t/doxygen-documentation/230216/2 "2014-06-05T10:07:07Z")

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Hi Ali,

to enable doxygen, pass -DENABLE\_DOXYGEN=On to the cmake call

Greetings,  
Marcus

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**Author:** ![jason\_sam](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/j/7993a0/32.png) [@jason\_sam](https://www.ruby-forum.com/u/jason_sam)\
**Post date:** [June 5, 2014, 10:27am UTC](https://www.ruby-forum.com/t/doxygen-documentation/230216/3 "2014-06-05T10:27:11Z")

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I tried to do it but got the following error:

CMake Error at CMakeLists.txt:22 (message):  
Prevented in-tree build. This is bad practice.

– Configuring incomplete, errors occurred!

Regards,  
Ali

On Thu, Jun 5, 2014 at 1:05 PM, Marcus Müller [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)

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**Author:** ![jason\_sam](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/j/7993a0/32.png) [@jason\_sam](https://www.ruby-forum.com/u/jason_sam)\
**Post date:** [June 5, 2014, 11:04am UTC](https://www.ruby-forum.com/t/doxygen-documentation/230216/4 "2014-06-05T11:04:55Z")

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You’re not using Cmake properly. Please refer to the source build guide  
in the wiki.

Greetings,  
Marcus

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**Author:** ![jason\_sam](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/j/7993a0/32.png) [@jason\_sam](https://www.ruby-forum.com/u/jason_sam)\
**Post date:** [June 5, 2014, 11:06am UTC](https://www.ruby-forum.com/t/doxygen-documentation/230216/5 "2014-06-05T11:06:06Z")

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ok

On Thu, Jun 5, 2014 at 2:03 PM, Marcus Müller [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)