956e45f6fb
Lots of new unit-tests increase code coverage. Lots of refactoring, cleanup and simlpification to reduce code size. Fixes for Bug 223564 and 245807 Updates to dirdeps.mk and meta2deps.py
37 lines
1.1 KiB
Makefile
37 lines
1.1 KiB
Makefile
# $NetBSD: varname-dot-parsefile.mk,v 1.5 2020/10/24 08:50:17 rillig Exp $
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#
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# Tests for the special .PARSEFILE variable, which contains the basename part
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# of the file that is currently parsed.
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.if ${.PARSEFILE} != "varname-dot-parsefile.mk"
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. error
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.endif
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# During parsing, it is possible to undefine .PARSEFILE.
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# Not that anyone would ever want to do this, but there's code in parse.c,
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# function PrintLocation, that explicitly handles this situation.
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.if !defined(.PARSEFILE)
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. error
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.endif
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.undef .PARSEFILE
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.if defined(.PARSEFILE)
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. error
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.endif
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# The variable .PARSEFILE is indirectly used by the .info directive,
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# via PrintLocation.
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.info At this point, .PARSEFILE is undefined.
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# There is absolutely no point in faking the location of the file that is
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# being parsed. Technically, it's possible though, but only if the file
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# being parsed is a relative pathname. See PrintLocation for details.
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.PARSEFILE= fake-parsefile
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.info The location can be faked in some cases.
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# After including another file, .PARSEFILE is reset.
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.include "/dev/null"
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.info The location is no longer fake.
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all:
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@echo At run time, .PARSEFILE is ${.PARSEFILE:Uundefined}.
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