18 lines
651 B
Makefile
18 lines
651 B
Makefile
# $NetBSD: varmod-quote-dollar.mk,v 1.4 2022/05/08 10:14:40 rillig Exp $
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#
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# Tests for the :q variable modifier, which quotes the string for the shell
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# and doubles dollar signs, to prevent them from being interpreted by a
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# child process of make.
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# The newline and space characters at the beginning of this string are passed
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# to the child make. When the child make parses the variable assignment, it
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# discards the leading space characters.
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ASCII_CHARS= ${.newline} !"\#$$%&'()*+,-./09:;<=>?@AZ[\]^_`az{|}~
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all:
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@${MAKE} -r -f /dev/null \
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CHARS=${ASCII_CHARS:q} \
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TWICE=${ASCII_CHARS:q}${ASCII_CHARS:q} \
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-V CHARS \
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-V TWICE
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