/usr/lib/lazarus/0.9.30.4/ide/bigidemake.cfg is in lazarus-src-0.9.30.4 0.9.30.4-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | -Fu../components/rtticontrols/lib/$(CPU_TARGET)-$(OS_TARGET)
-dAddStaticPkgs
|