CODEWITHSUNDEEP
eclipsebuildpathdirectoryeclipse-cdt
einpoklum
einpoklum

Reputation: 131525

How can I append directories to $PATH in Eclipse?

This C project I'm working on has a script which is run as part of the build, which requires some folder to be in the $PATH. But - other projects shouldn't have it in their path, nor should Eclipse itself. So, this is not about replacing the path but appending to it for a specific project.

I couldn't find a way to do this in Eclipse's project settings dialog; does this feature exist? If not, can you suggest a workaround other than having my script itself append to $PATH?

Upvotes: 3

Views: 4760

Answers (1)

Jonah Graham
Jonah Graham

Reputation: 7970

To edit the path the build is run with, in the Project Properties choose C/C++ Build | Environment and add your new Path entry by pressing Add... and filling in PATH for Name and /your/path for VALUE. Note that CDT assumes that if the variable (PATH in this case) is already defined that you want to append to it. (You probably want to check the Add to all configurations check too.)

Here is a screenshot:

buildenv

This is how to do the same for launch configurations

In the Environment tab for the specific launch configuration you want to edit the PATH, set the PATH to be /tmp/abcd:${env_var:PATH}

Here is a screenshot of what I mean:

enter image description here

Running the following C program:

#include <stdio.h>
#include <stdlib.h>

int main(void) {
    puts("Updated PATH with /tmp/abcd prepended");
    puts(getenv("PATH"));
    puts("Saved version of PATH in case we need that");
    puts(getenv("ORIGPATH"));
    return 0;
}

And you should observe this output:

Updated PATH with /tmp/abcd prepended
/tmp/abcd:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games
Saved version of PATH in case we need that
/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games

Upvotes: 9

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