See Also

Specifies the directories that a software toolset assembler or C/C++ compiler searches to locate the include files that it uses during a software build. If you specify more than one directory, the assembler or C/C++ compiler searches the directories in the order in which you specify them. If you type relative paths to search, the paths are searched relative to the Quartus^® II project directory.

Separate directories with commas.

By default, the assembler and C/C++ compiler searches the current Quartus II project directory for include files; therefore, you do not need to specify the current project directory in the Additional include directories box.

If you select Custom build in the Software toolset list in the CPU page of the Settings dialog box (Assignments menu), this option is dimmed to indicate that it is not available.

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