52 lines
1.5 KiB
Makefile
52 lines
1.5 KiB
Makefile
# $FreeBSD$
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# This makefile is for customizations that should be done early
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.if !defined(_TARGETS)
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# some things we do only once
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_TARGETS:= ${.TARGETS}
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.export _TARGETS
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.endif
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# some handy macros
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_this = ${.PARSEDIR:tA}/${.PARSEFILE}
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# some useful modifiers
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# A useful trick for testing multiple :M's against something
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# :L says to use the variable's name as its value - ie. literal
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# got = ${clean* destroy:${M_ListToMatch:S,V,.TARGETS,}}
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M_ListToMatch = L:@m@$${V:M$$m}@
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# match against our initial targets (see above)
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M_L_TARGETS = ${M_ListToMatch:S,V,_TARGETS,}
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# turn a list into a set of :N modifiers
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# NskipFoo = ${Foo:${M_ListToSkip}}
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M_ListToSkip= O:u:ts::S,:,:N,g:S,^,N,
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# type should be a builtin in any sh since about 1980,
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# AUTOCONF := ${autoconf:L:${M_whence}}
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M_type = @x@(type $$x 2> /dev/null); echo;@:sh:[0]:N* found*:[@]:C,[()],,g
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M_whence = ${M_type}:M/*:[1]
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# convert a path to a valid shell variable
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M_P2V = tu:C,[./-],_,g
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# these are handy
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# we can use this for a cheap timestamp at the start of a target's script,
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# but not at the end - since make will expand both at the same time.
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TIME_STAMP_FMT = @ %s [%Y-%m-%d %T]
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TIME_STAMP = ${TIME_STAMP_FMT:localtime}
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# this will produce the same output but as of when date(1) is run.
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TIME_STAMP_DATE = `date '+${TIME_STAMP_FMT}'`
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TIME_STAMP_END?= ${TIME_STAMP_DATE}
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# Simplify auto.obj.mk mkdir -p handling and avoid unneeded/redundant
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# error spam and show a proper error.
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Mkdirs= Mkdirs() { mkdir -p $$* || :; }
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.if !empty(.MAKEFLAGS:M-s)
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ECHO_TRACE?= true
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.endif
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.include "src.sys.env.mk"
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