25 lines
993 B
Makefile
25 lines
993 B
Makefile
# $NetBSD: cond-eof.mk,v 1.6 2023/11/19 21:47:52 rillig Exp $
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#
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# Tests for parsing the end of '.if' conditions, which are represented as the
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# token TOK_EOF.
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SIDE_EFFECT= ${:!echo 'side effect' 1>&2!}
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SIDE_EFFECT2= ${:!echo 'side effect 2' 1>&2!}
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# In the following conditions, ${SIDE_EFFECT} is the position of the first
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# parse error. Before cond.c 1.286 from 2021-12-10, it was always fully
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# evaluated, even if it was not necessary to expand the expression.
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# These syntax errors are an edge case that does not occur during normal
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# operation. Still, it is easy to avoid evaluating these expressions, just in
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# case they have side effects.
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# expect+1: Malformed conditional (0 ${SIDE_EFFECT} ${SIDE_EFFECT2})
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.if 0 ${SIDE_EFFECT} ${SIDE_EFFECT2}
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.endif
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# expect+1: Malformed conditional (1 ${SIDE_EFFECT} ${SIDE_EFFECT2})
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.if 1 ${SIDE_EFFECT} ${SIDE_EFFECT2}
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.endif
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# expect+1: Malformed conditional ((0) ${SIDE_EFFECT} ${SIDE_EFFECT2})
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.if (0) ${SIDE_EFFECT} ${SIDE_EFFECT2}
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.endif
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