1# $FreeBSD$ 2 3# This makefile is for customizations that should be done early 4 5.if !defined(_TARGETS) 6# some things we do only once 7_TARGETS:= ${.TARGETS} 8.export _TARGETS 9.endif 10 11# some handy macros 12_this = ${.PARSEDIR:tA}/${.PARSEFILE} 13# some useful modifiers 14 15# A useful trick for testing multiple :M's against something 16# :L says to use the variable's name as its value - ie. literal 17# got = ${clean* destroy:${M_ListToMatch:S,V,.TARGETS,}} 18M_ListToMatch = L:@m@$${V:M$$m}@ 19# match against our initial targets (see above) 20M_L_TARGETS = ${M_ListToMatch:S,V,_TARGETS,} 21 22# turn a list into a set of :N modifiers 23# NskipFoo = ${Foo:${M_ListToSkip}} 24M_ListToSkip= O:u:ts::S,:,:N,g:S,^,N, 25 26# type should be a builtin in any sh since about 1980, 27# AUTOCONF := ${autoconf:L:${M_whence}} 28M_type = @x@(type $$x 2> /dev/null); echo;@:sh:[0]:N* found*:[@]:C,[()],,g 29M_whence = ${M_type}:M/*:[1] 30 31# convert a path to a valid shell variable 32M_P2V = tu:C,[./-],_,g 33 34# these are handy 35# we can use this for a cheap timestamp at the start of a target's script, 36# but not at the end - since make will expand both at the same time. 37TIME_STAMP_FMT = @ %s [%Y-%m-%d %T] 38TIME_STAMP = ${TIME_STAMP_FMT:localtime} 39# this will produce the same output but as of when date(1) is run. 40TIME_STAMP_DATE = `date '+${TIME_STAMP_FMT}'` 41TIME_STAMP_END?= ${TIME_STAMP_DATE} 42 43# Simplify auto.obj.mk mkdir -p handling and avoid unneeded/redundant 44# error spam and show a proper error. 45Mkdirs= Mkdirs() { mkdir -p $$* || :; } 46 47.if !empty(.MAKEFLAGS:M-s) 48ECHO_TRACE?= true 49.endif 50 51.include "src.sys.env.mk" 52.-include <site.sys.env.mk> 53 54.if !defined(HOST_TARGET) || !defined(HOST_MACHINE) 55# we need HOST_TARGET etc below. 56.include <host-target.mk> 57.export HOST_TARGET 58.endif 59 60.include <sys.machine.mk> 61