freebsd-nq/share/mk/local.sys.mk
Simon J. Gerraty ccfb965433 Add META_MODE support.
Off by default, build behaves normally.
WITH_META_MODE we get auto objdir creation, the ability to
start build from anywhere in the tree.

Still need to add real targets under targets/ to build packages.

Differential Revision:       D2796
Reviewed by: brooks imp
2015-06-13 19:20:56 +00:00

62 lines
1.6 KiB
Makefile

# $FreeBSD$
.if !defined(_TARGETS)
# some things we do only once
_TARGETS:= ${.TARGETS}
.export _TARGETS
.endif
# some handy macros
_this = ${.PARSEDIR:tA}/${.PARSEFILE}
# some useful modifiers
# A useful trick for testing multiple :M's against something
# :L says to use the variable's name as its value - ie. literal
# got = ${clean* destroy:${M_ListToMatch:S,V,.TARGETS,}}
M_ListToMatch = L:@m@$${V:M$$m}@
# match against our initial targets (see above)
M_L_TARGETS = ${M_ListToMatch:S,V,_TARGETS,}
# turn a list into a set of :N modifiers
# NskipFoo = ${Foo:${M_ListToSkip}}
M_ListToSkip= O:u:ts::S,:,:N,g:S,^,N,
# type should be a builtin in any sh since about 1980,
# AUTOCONF := ${autoconf:L:${M_whence}}
M_type = @x@(type $$x 2> /dev/null); echo;@:sh:[0]:N* found*:[@]:C,[()],,g
M_whence = ${M_type}:M/*:[1]
# convert a path to a valid shell variable
M_P2V = tu:C,[./-],_,g
MAKE_PRINT_VAR_ON_ERROR+= \
.CURDIR \
.MAKE \
.OBJDIR \
.TARGETS \
DESTDIR \
LD_LIBRARY_PATH \
MACHINE \
MACHINE_ARCH \
MAKEOBJDIRPREFIX \
MAKESYSPATH \
MAKE_VERSION\
SRCTOP \
OBJTOP \
${MAKE_PRINT_VAR_ON_ERROR_XTRAS}
.if ${.MAKE.LEVEL} > 0
MAKE_PRINT_VAR_ON_ERROR += .MAKE.MAKEFILES .PATH
.endif
# these are handy
# we can use this for a cheap timestamp at the start of a target's script,
# but not at the end - since make will expand both at the same time.
TIME_STAMP_FMT = @ %s [%Y-%m-%d %T]
TIME_STAMP = ${TIME_STAMP_FMT:localtime}
# this will produce the same output but as of when date(1) is run.
TIME_STAMP_DATE = `date '+${TIME_STAMP_FMT}'`
TIME_STAMP_END?= ${TIME_STAMP_DATE}
.include "src.sys.mk"