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how to compile .cpp file for ros without main function??

asked 2011-07-26 02:04:44 -0600

SAK gravatar image

updated 2011-09-07 02:53:41 -0600

Hi,

I have created a .cpp file for ros. where i have to put the file and how can i compile it. this file is a standalone file.

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What I know is when you create a package then you can use rosmake to compile.
sam gravatar imagesam ( 2011-07-26 02:51:31 -0600 )edit

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answered 2011-07-26 03:31:04 -0600

Bemfica gravatar image

updated 2011-07-26 21:32:42 -0600

1.3 Building your nodes
You need to edit you CMakeLists.txt

To build a library take a look at 1.2 Building a library

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answered 2011-07-26 02:54:24 -0600

SAK gravatar image

updated 2011-07-26 03:10:46 -0600

Thanks for your answer. I got how to compile the single .cpp file without even having no main function.

you have to add two lines to CMakeLists.txt

rosbuild_add_library(gazebo_ros_xx src/gazebo_ros_xx.cpp),

rosbuild_link_boost(gazebo_ros_xx thread)

and then just type the command 'make'.

Hope this will be beneficial to others as well

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answered 2011-07-26 03:52:50 -0600

SAK gravatar image

the problem with this tutorial is that the the classes contains main function, but in my case they don't have any main function.

The only way i found is answered above.

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please note that in c++ programming you need to have a main function (it is always the first function to be executed). if you are new to c++ there is a good introduction tutorial on www.cplusplus.com (http://www.cplusplus.com/doc/tutorial/)
Bram van de Klundert gravatar imageBram van de Klundert ( 2011-07-26 18:53:04 -0600 )edit
Thanks for you reply, i have experience with the c++, but i was studying the RaySensor( Sensor for laser ) and there is no main function in the full hierarchy. i think you have an experience with making sensors if i am not wrong...
SAK gravatar imageSAK ( 2011-07-26 19:35:41 -0600 )edit
The only way to have no main (besides some lowlevel stuff) is, when you build a library.
dornhege gravatar imagedornhege ( 2011-07-26 19:49:59 -0600 )edit

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Asked: 2011-07-26 02:04:44 -0600

Seen: 2,248 times

Last updated: Sep 07 '11