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Eclipse Variable expansion not applied to GDB launch [message #1740877]

Fri, 19 August 2016 09:50

David Cozens

Messages: 4
Registered: January 2016

Junior Member

I am trying to create a debug configuration that can be shared across a team. Developers typically have the code somewhere under their own home directory, so I don't want any absolute paths in the debug configuration. I appear to be very close to having this working, the only absolute path that I am left with is the path to the application in Debug Configurations->Main->C/C++ Application:

I have tried specifying this using a variable of this form
Quote:

${workspace_loc:/path/program}

which works fine when I launch as a run, however when I try to debug gdb fails because the variable hasn't been expanded.

Quote:

Error in final launch sequence
Failed to execute MI command:
-file-exec-and-symbols ${workspace_loc::/path/program}
Error message from debugger back end:
${workspace_loc::/path/program}: No such file or directory.
${workspace_loc::/path/program}: No such file or directory.

It would be great if there was a future improvement that expanded these variables before passing to the gdb launch. In the meantime any ideas on how to make this portable.

I am using eclipse neon, under Ubuntu 14.04 debugging a local application.

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Re: Eclipse Variable expansion not applied to GDB launch [message #1740905 is a reply to message #1740877]

Fri, 19 August 2016 16:38

Marc Khouzam

Messages: 357
Registered: July 2009

Senior Member

This enhancement would be easy to do. Could you open a bugzilla about it?

In the mean time, could you get it to work by importing the project in the developer's workspace and then using a 'relative' path to the binary?

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Re: Eclipse Variable expansion not applied to GDB launch [message #1740917 is a reply to message #1740905]

Fri, 19 August 2016 18:02

David Cozens

Messages: 4
Registered: January 2016

Junior Member

I've not managed to find a way of getting this to work with relative paths. I'll file a bugzilla. For now each used has to edit a path after loading the launch config - not huge deal but not would be great to be fully portable.

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Re: Eclipse Variable expansion not applied to GDB launch [message #1740919 is a reply to message #1740917]

Fri, 19 August 2016 18:12

David Cozens

Messages: 4
Registered: January 2016

Junior Member

Bug raised 500002

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Re: Eclipse Variable expansion not applied to GDB launch [message #1743285 is a reply to message #1740919]

Wed, 14 September 2016 02:05

Lazaro Mendoza

Messages: 1
Registered: September 2016

Junior Member

Hi there, after configuration of gdb version on eclipse I start getting additional error in building project, the message say
Error starting process.
Exec_tty error:Cannot run program "/Users/myuser/Documents/workspace/workspace-c++/test1/src/
test1.cpp": Unknown reason

I hope you can help me

Thanks

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Re: Eclipse Variable expansion not applied to GDB launch [message #1743353 is a reply to message #1743285]

Wed, 14 September 2016 14:15

Marc Khouzam

Messages: 357
Registered: July 2009

Senior Member

> "/Users/myuser/Documents/workspace/workspace-c++/test1/src/test1.cpp"

Notice this is your source code file and not the binary.
In the launch, you need to specify the binary that was built using the above source file.

Marc

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