These options specify directories to search for files, libraries, and other parts of the compiler:
-Idir ¶Add the directory dir to the list of directories to be searched
for files when processing the pragmat include. Multiple
-I options can be used, and the directories specified are
scanned in left-to-right order, as with gcc. The directory
will also be added to the list of directories to be searched for module
interface-definitions Module activation.
-Ldir ¶Add the directory dir to the list of directories to be searched
for module interface-definitions Module activation. Multiple
-L options can be used, and the directories specified are
scanned in left-to-right order, as with gcc. The directory
will also be added to the list of library search directories, as with
gcc.