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cdde9e894d
Features of interest: Allow setting target local variables (similar to gmake) In META_MODE .MAKE.META.CMP_FILTER can be used for filtering commands before comparion. contrib/bmake/mk/cc-wrap.mk is an example of using these See ChangeLog for the gory details.
45 lines
1.4 KiB
Makefile
45 lines
1.4 KiB
Makefile
# $NetBSD: varname-makeflags.mk,v 1.5 2022/01/16 18:16:06 sjg Exp $
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#
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# Tests for the special MAKEFLAGS variable, which is basically just a normal
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# environment variable. It is closely related to .MAKEFLAGS but captures the
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# state of .MAKEFLAGS at the very beginning of make, before any makefiles are
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# read.
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# TODO: Implementation
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.MAKEFLAGS: -d0
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# The unit tests are run with an almost empty environment. In particular,
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# the variable MAKEFLAGS is not set. The '.MAKEFLAGS:' above also doesn't
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# influence the environment variable MAKEFLAGS, therefore it is still
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# undefined at this point.
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.if ${MAKEFLAGS:Uundefined} != "undefined"
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. error
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.endif
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# The special variable .MAKEFLAGS is influenced though.
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# See varname-dot-makeflags.mk for more details.
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.if ${.MAKEFLAGS} != " -r -k -d 0"
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. error
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.endif
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# In POSIX mode, the environment variable MAKEFLAGS can contain letters only,
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# for compatibility. These letters are exploded to form regular options.
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OUTPUT!= env MAKEFLAGS=ikrs ${MAKE} -f /dev/null -v .MAKEFLAGS
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.if ${OUTPUT} != " -i -k -r -s -V .MAKEFLAGS"
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. error
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.endif
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# As soon as there is a single non-alphabetic character in the environment
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# variable MAKEFLAGS, it is no longer split. In this example, the word
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# "d0ikrs" is treated as a target, but the option '-v' prevents any targets
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# from being built.
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OUTPUT!= env MAKEFLAGS=d0ikrs ${MAKE} -r -f /dev/null -v .MAKEFLAGS
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.if ${OUTPUT} != " -r -V .MAKEFLAGS"
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. error ${OUTPUT}
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.endif
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all:
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