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Valgrind with MacOS Sierra - cannot create symlink [message #1781308]

Mon, 05 February 2018 21:29

David Antliff

Messages: 10
Registered: April 2015

Junior Member

On MacOS Sierra, it is common for users to install valgrind via Brew. This installs the binary as /usr/local/bin/valgrind.

The Linux Tools plugin looks for valgrind at /usr/bin/valgrind, and does not search /usr/local/bin or allow the user to specify a custom path as far as I can tell.

The Linux Tools documentation says to create a symlink in /usr/bin. Apart from the `ln` command being incorrect (the parameters are backwards), this is not possible in Sierra due to System Integrity Protection (SIP).

SIP prevents any modifications to /usr/bin even by the root user. It is therefore impossible to create a /usr/bin/valgrind symlink even as root, without disabling SIP, and I'd suggest that disabling SIP is a very bad idea.

So I think we're left in a situation where valgrind can be run from the command line, but the Linux Tools plugin within Eclipse is unable to be used.

Is this an accurate assessment or is there a way around this that I don't know yet?

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Re: Valgrind with MacOS Sierra - cannot create symlink [message #1781309 is a reply to message #1781308]

Mon, 05 February 2018 21:32

David Antliff

Messages: 10
Registered: April 2015

Junior Member

For anyone coming across this in future, I've come across a per-project workaround that seems to work:

Open the project properties and select "Linux Tools Path", then select "Prepend string to PATH" and choose "Custom", then add the text "/usr/local/bin" to the text field.

This should enable the Linux Tools plugin to find the valgrind binary in /usr/local/bin.

[Updated on: Mon, 05 February 2018 21:34]

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Re: Valgrind with MacOS Sierra - cannot create symlink [message #1781315 is a reply to message #1781308]

Mon, 05 February 2018 23:03

Jeff Johnston

Messages: 211
Registered: July 2009

Senior Member

I think that section of the manual is out of date. Looking at the current code, I see no hard-coding of /usr/bin/valgrind. The ValgrindCommand class is just running "valgrind" and expecting it to be on the Path. I don't have a Mac system to test with, but did you already try putting /usr/local/bin on the path used to bring up your Eclipse?

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