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Automate the setvars.sh Script with Eclipse*
The setvars.sh script sets up the environment variables needed to use the oneAPI toolkits. This script must be run every time a new terminal window is opened for command-line development. The setvars.sh script can also be run automatically when Eclipse* is started. You can configure this feature to instruct the setvars.sh script to set up a specific set of oneAPI tools by using the SETVARS_CONFIG environment variable.
SETVARS_CONFIG Environment Variable States
The SETVARS_CONFIG environment variable enables automatic configuration of the oneAPI development environment when you start your instance of Eclipse IDE for C/C++ Developers. The variable has three conditions or states:
Undefined (the SETVARS_CONFIG environment variable does not exist)
Defined but empty (the value contains nothing or only whitespace)
Defined and points to a setvars.sh configuration file
If SETVARS_CONFIG is undefined or if it exists but has no value (or contains only whitespace), the setvars.sh script will be automatically run when Eclipse is started. In this case, the setvars.sh script initializes the environment for all oneAPI tools that are installed on your system. For more information about running the setvars.sh script, see Build and Run a Sample Project Using Eclipse.
When SETVARS_CONFIG is defined with the absolute pathname to a setvars configuration file, the setvars.sh script will be automatically run when Eclipse is started. In this case, the setvars.sh script initializes the environment for only those oneAPI tools that are defined in the setvars configuration file. For more information about how to create a setvars config file, see Use a Config file for setvars.sh on Linux or macOS.
A setvars configuration file can have any name and can be saved to any location on your hard disk, as long as that location and the file are accessible and readable by Eclipse. (A plug-in that was added to Eclipse when you installed the oneAPI tools on your LInux system performs the SETVARS_CONFIG actions; that is why Eclipse must have access to the location and contents of the setvars configuration file.)
If you leave the setvars config file empty, the setvars.sh script will initialize your environment for all oneAPI tools that are installed on your system. This is equivalent to defining the SETVARS_CONFIG variable with an empty string. See Use a Config file for setvars.sh on Linux or macOS for details regarding what to put inside of your setvars config file.
Define the SETVARS_CONFIG Environment Variable
Since the SETVARS_CONFIG environment variable is not automatically defined during installation, you must add it to your environment before starting Eclipse (per the rules above). There are a variety of places to define the SETVARS_CONFIG environment variable:
and so on…
The list above shows common places to define environment variables on a Linux system. Ultimately, where you choose to define the SETVARS_CONFIG environment variable depends on your system and your needs.
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