Index: head/share/mk/meta.sys.mk =================================================================== --- head/share/mk/meta.sys.mk (revision 305782) +++ head/share/mk/meta.sys.mk (revision 305783) @@ -1,163 +1,164 @@ # $FreeBSD$ # $Id: meta.sys.mk,v 1.19 2014/08/02 23:16:02 sjg Exp $ # # @(#) Copyright (c) 2010, Simon J. Gerraty # # This file is provided in the hope that it will # be of use. There is absolutely NO WARRANTY. # Permission to copy, redistribute or otherwise # use this file is hereby granted provided that # the above copyright notice and this notice are # left intact. # # Please send copies of changes and bug-fixes to: # sjg@crufty.net # # include this if you want to enable meta mode # for maximum benefit, requires filemon(4) driver. .if ${MAKE_VERSION:U0} > 20100901 .if !target(.ERROR) .-include "local.meta.sys.mk" # absoulte path to what we are reading. _PARSEDIR = ${.PARSEDIR:tA} .if !defined(SYS_MK_DIR) SYS_MK_DIR := ${_PARSEDIR} .endif META_MODE += meta verbose .MAKE.MODE ?= ${META_MODE} .if ${.MAKE.LEVEL} == 0 _make_mode := ${.MAKE.MODE} ${META_MODE} .if ${_make_mode:M*read*} != "" || ${_make_mode:M*nofilemon*} != "" # tell everyone we are not updating Makefile.depend* UPDATE_DEPENDFILE = NO .export UPDATE_DEPENDFILE .endif .if ${UPDATE_DEPENDFILE:Uyes:tl} == "no" && !exists(/dev/filemon) # we should not get upset META_MODE += nofilemon .export META_MODE .endif .endif .if !defined(NO_SILENT) .if ${MAKE_VERSION} > 20110818 # only be silent when we have a .meta file META_MODE += silent=yes .else .SILENT: .endif .endif # make defaults .MAKE.DEPENDFILE to .depend # that won't work for us. .if ${.MAKE.DEPENDFILE} == ".depend" .undef .MAKE.DEPENDFILE .endif # if you don't cross build for multiple MACHINEs concurrently, then # .MAKE.DEPENDFILE = Makefile.depend # probably makes sense - you can set that in local.sys.mk .MAKE.DEPENDFILE ?= Makefile.depend.${MACHINE} # we use the pseudo machine "host" for the build host. # this should be taken care of before we get here .if ${OBJTOP:Ua} == ${HOST_OBJTOP:Ub} MACHINE = host .endif .if ${.MAKE.LEVEL} == 0 # it can be handy to know which MACHINE kicked off the build # for example, if using Makefild.depend for multiple machines, # allowing only MACHINE0 to update can keep things simple. MACHINE0 := ${MACHINE} .export MACHINE0 .if defined(PYTHON) && exists(${PYTHON}) # we prefer the python version of this - it is much faster META2DEPS ?= ${.PARSEDIR}/meta2deps.py .else META2DEPS ?= ${.PARSEDIR}/meta2deps.sh .endif META2DEPS := ${META2DEPS} .export META2DEPS .endif MAKE_PRINT_VAR_ON_ERROR += \ .ERROR_TARGET \ .ERROR_META_FILE \ .MAKE.LEVEL \ MAKEFILE \ .MAKE.MODE .if !defined(SB) && defined(SRCTOP) SB = ${SRCTOP:H} .endif ERROR_LOGDIR ?= ${SB}/error meta_error_log = ${ERROR_LOGDIR}/meta-${.MAKE.PID}.log # we are not interested in make telling us a failure happened elsewhere .ERROR: _metaError _metaError: .NOMETA .NOTMAIN -@[ "${.ERROR_META_FILE}" ] && { \ grep -q 'failure has been detected in another branch' ${.ERROR_META_FILE} && exit 0; \ mkdir -p ${meta_error_log:H}; \ cp ${.ERROR_META_FILE} ${meta_error_log}; \ echo "ERROR: log ${meta_error_log}" >&2; }; : .endif -META_COOKIE_TOUCH= -# some targets need to be .PHONY in non-meta mode -META_NOPHONY= .PHONY # Are we, after all, in meta mode? .if ${.MAKE.MODE:Uno:Mmeta*} != "" MKDEP_MK = meta.autodep.mk # we can afford to use cookies to prevent some targets # re-running needlessly -META_COOKIE_TOUCH= touch ${COOKIE.${.TARGET}:U${.OBJDIR}/${.TARGET:T}} +META_COOKIE_TOUCH?= touch ${COOKIE.${.TARGET}:U${.OBJDIR}/${.TARGET:T}} META_NOPHONY= # some targets involve old pre-built targets # ignore mtime of shell # and mtime of makefiles does not matter in meta mode .MAKE.META.IGNORE_PATHS += \ ${MAKEFILE} \ ${SHELL} \ ${SYS_MK_DIR} # if we think we are updating dependencies, # then filemon had better be present .if ${UPDATE_DEPENDFILE:Uyes:tl} != "no" && !exists(/dev/filemon) .error ${.newline}ERROR: The filemon module (/dev/filemon) is not loaded. .endif .if ${.MAKE.LEVEL} == 0 # make sure dirdeps target exists and do it first all: dirdeps .WAIT dirdeps: .NOPATH: dirdeps .if defined(ALL_MACHINES) # the first .MAIN: is what counts # by default dirdeps is all we want at level0 .MAIN: dirdeps # tell dirdeps.mk what we want BUILD_AT_LEVEL0 = no .endif .if ${.TARGETS:Nall} == "" # it works best if we do everything via sub-makes BUILD_AT_LEVEL0 ?= no .endif .endif +.else +META_COOKIE_TOUCH= +# some targets need to be .PHONY in non-meta mode +META_NOPHONY= .PHONY .endif .endif