1 2# This makefile is for customizations that should be done early 3 4.if !defined(_TARGETS) 5# some things we do only once 6_TARGETS:= ${.TARGETS} 7.export _TARGETS 8.endif 9 10# some handy macros 11_this = ${.PARSEDIR:tA}/${.PARSEFILE} 12# some useful modifiers 13 14# A useful trick for testing multiple :M's against something 15# :L says to use the variable's name as its value - ie. literal 16# got = ${clean* destroy:${M_ListToMatch:S,V,.TARGETS,}} 17M_ListToMatch = L:@m@$${V:M$$m}@ 18# match against our initial targets (see above) 19M_L_TARGETS = ${M_ListToMatch:S,V,_TARGETS,} 20 21# turn a list into a set of :N modifiers 22# NskipFoo = ${Foo:${M_ListToSkip}} 23M_ListToSkip= O:u:ts::S,:,:N,g:S,^,N, 24 25# type should be a builtin in any sh since about 1980, 26# AUTOCONF := ${autoconf:L:${M_whence}} 27M_type = @x@(type $$x 2> /dev/null); echo;@:sh:[0]:N* found*:[@]:C,[()],,g 28M_whence = ${M_type}:M/*:[1] 29 30# convert a path to a valid shell variable 31M_P2V = tu:C,[./-],_,g 32 33# these are handy 34# we can use this for a cheap timestamp at the start of a target's script, 35# but not at the end - since make will expand both at the same time. 36TIME_STAMP_FMT = @ %s [%Y-%m-%d %T] 37TIME_STAMP = ${TIME_STAMP_FMT:localtime} 38# this will produce the same output but as of when date(1) is run. 39TIME_STAMP_DATE = `date '+${TIME_STAMP_FMT}'` 40TIME_STAMP_END?= ${TIME_STAMP_DATE} 41 42# Simplify auto.obj.mk mkdir -p handling and avoid unneeded/redundant 43# error spam and show a proper error. 44Mkdirs= Mkdirs() { mkdir -p $$* || :; } 45 46.if !empty(.MAKEFLAGS:M-s) 47ECHO_TRACE?= true 48.endif 49 50.include "src.sys.env.mk" 51.-include <site.sys.env.mk> 52 53.if !defined(HOST_TARGET) || !defined(HOST_MACHINE) 54# we need HOST_TARGET etc below. 55.include <host-target.mk> 56.export HOST_TARGET 57.endif 58 59.include <local.sys.machine.mk> 60