local.sys.env.mk revision 284430 
1# $FreeBSD: head/share/mk/local.sys.mk 284430 2015-06-15 21:09:18Z sjg $
2
3.if !defined(_TARGETS)
4# some things we do only once
5_TARGETS:= ${.TARGETS}
6.export _TARGETS
7.endif
8
9# some handy macros
10_this = ${.PARSEDIR:tA}/${.PARSEFILE}
11# some useful modifiers
12
13# A useful trick for testing multiple :M's against something
14# :L says to use the variable's name as its value - ie. literal
15# got = ${clean* destroy:${M_ListToMatch:S,V,.TARGETS,}}
16M_ListToMatch = L:@m@$${V:M$$m}@
17# match against our initial targets (see above)
18M_L_TARGETS = ${M_ListToMatch:S,V,_TARGETS,}
19
20# turn a list into a set of :N modifiers
21# NskipFoo = ${Foo:${M_ListToSkip}}
22M_ListToSkip= O:u:ts::S,:,:N,g:S,^,N,
23
24# type should be a builtin in any sh since about 1980,
25# AUTOCONF := ${autoconf:L:${M_whence}}
26M_type = @x@(type $$x 2> /dev/null); echo;@:sh:[0]:N* found*:[@]:C,[()],,g
27M_whence = ${M_type}:M/*:[1]
28
29# convert a path to a valid shell variable
30M_P2V = tu:C,[./-],_,g
31
32.if ${MK_META_MODE} == "yes"
33MAKE_PRINT_VAR_ON_ERROR+= \
34	.CURDIR \
35	.MAKE \
36	.OBJDIR \
37	.TARGETS \
38	DESTDIR \
39	LD_LIBRARY_PATH \
40	MACHINE \
41	MACHINE_ARCH \
42	MAKEOBJDIRPREFIX \
43	MAKESYSPATH \
44	MAKE_VERSION\
45	SRCTOP \
46	OBJTOP \
47	${MAKE_PRINT_VAR_ON_ERROR_XTRAS}
48
49.if ${.MAKE.LEVEL} > 0
50MAKE_PRINT_VAR_ON_ERROR += .MAKE.MAKEFILES .PATH
51.endif
52.endif
53
54# these are handy
55# we can use this for a cheap timestamp at the start of a target's script,
56# but not at the end - since make will expand both at the same time.
57TIME_STAMP_FMT = @ %s [%Y-%m-%d %T]
58TIME_STAMP = ${TIME_STAMP_FMT:localtime}
59# this will produce the same output but as of when date(1) is run.
60TIME_STAMP_DATE = `date '+${TIME_STAMP_FMT}'`
61TIME_STAMP_END?= ${TIME_STAMP_DATE}
62
63.include "src.sys.mk"
64