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4.5 Searching Directories for Prerequisites

For large systems, it is often desirable to put sources in a separate directory from the binaries. The directory search features of make facilitate this by searching several directories automatically to find a prerequisite. When you redistribute the files among directories, you do not need to change the individual rules, just the search paths.

General Search    Specifying a search path that applies

to every prerequisite.

Selective Search    Specifying a search path

for a specified class of names.

Search Algorithm    When and how search paths are applied.
Recipes/Search    How to write recipes that work together

with search paths.

Implicit/Search    How search paths affect implicit rules.
Libraries/Search    Directory search for link libraries.