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
25 lines
543 B
Makefile
25 lines
543 B
Makefile
# $NetBSD: directive-ifndef.mk,v 1.6 2020/10/24 08:46:08 rillig Exp $
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#
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# Tests for the .ifndef directive, which can be used for multiple-inclusion
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# guards. In contrast to C, where #ifndef and #define nicely line up the
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# macro name, there is no such syntax in make. Therefore, it is more
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# common to use .if !defined(GUARD) instead.
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.ifndef GUARD
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GUARD= # defined
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. info guarded section
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.endif
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.ifndef GUARD
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GUARD= # defined
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. info guarded section
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.endif
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.if !defined(GUARD)
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GUARD= # defined
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. info guarded section
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.endif
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all:
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@:;
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