1 # $NetBSD: varname-dot-parsedir.mk,v 1.6 2020/10/24 08:50:17 rillig Exp $
3 # Tests for the special .PARSEDIR variable, which contains the directory part
4 # of the file that is currently parsed.
6 # The .PARSEDIR may be absolute or relative, therefore there is not much that
8 .if !${.PARSEDIR:tA:M*/unit-tests}
12 # During parsing, it is possible to undefine .PARSEDIR.
13 # Not that anyone would ever want to do this, but there's code in parse.c,
14 # function PrintLocation, that explicitly handles this situation.
15 .if !defined(.PARSEDIR)
19 .if defined(.PARSEDIR)
23 # The variable .PARSEDIR is indirectly used by the .info directive,
26 # The .rawout file contains the full path to the current directory.
27 # In the .out file, it is filtered out.
28 .info At this point, .PARSEDIR is undefined.
30 # There is absolutely no point in faking the location of the file that is
31 # being parsed. Technically, it's possible though, but only if the file
32 # being parsed is a relative pathname. See PrintLocation for details.
33 .PARSEDIR= /fake-absolute-path
34 .info The location can be faked in some cases.
36 # After including another file, .PARSEDIR is reset.
38 .info The location is no longer fake.
41 @echo At run time, .PARSEDIR is ${.PARSEDIR:Uundefined}.