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+2020-05-15 Simon J Gerraty <sjg@beast.crufty.net>
+
+ * install-mk (MK_VERSION): 20200515
+
+ * dirdeps.mk: set _debug_* earlier and allow passing -d*
+ flags to submake when building DIRDEPS_CACHE
+
+2020-05-09 Simon J Gerraty <sjg@beast.crufty.net>
+
+ * whats.mk: more easily extensible
+
+2020-05-02 Simon J Gerraty <sjg@beast.crufty.net>
+
+ * whats.mk: greatly simplify by adding what.c to SRCS
+
+2020-05-01 Simon J Gerraty <sjg@beast.crufty.net>
+
+ * whats.mk: for libs take care how we add to *OBJS
+
+ * lib.mk: : works better with whats.mk
+
+2020-04-25 Simon J Gerraty <sjg@beast.crufty.net>
+
+ * install-mk (MK_VERSION): 20200420
+
+ * meta.stage.mk: it is not a STAGE_CONFLICT if some-target.dirdep
+ contains the same ${RELDIR} and a prefix match for our ${TARGET_SPEC}
+
+2020-04-16 Simon J Gerraty <sjg@beast.crufty.net>
+
+ * install-mk (MK_VERSION): 20200416
+
+ * sys/*.mk: set MAKE_SHELL rather than SHELL so as not to
+ interfere with user env.
+
+ * sys.mk: default MAKE_SHELL to sh and SHELL to MAKE_SHELL
+
+ * autodep.mk: use MAKE_SHELL.
+
+2019-11-21 Simon J Gerraty <sjg@beast.crufty.net>
+
+ * gendirdeps.mk: clear .SUFFIXES to avoid a lot of
+ wasted effort, and unexport _meta_files when no longer needed as
+ it consumes space we need for command line.
+
+2019-11-11 Simon J Gerraty <sjg@beast.crufty.net>
+
+ * dirdeps.mk _DIRDEP_USE: use DIRDEP_DIR and add
+ DIRDEP_USE_PRELUDE at start - facilitates job distribution
+
+2019-10-04 Simon J Gerraty <sjg@beast.crufty.net>
+
+ * dirdeps-targets.mk: Use TARGET_SPEC_LAST_LIST
+ defaults to ${${TARGET_SPEC_VARS:[-1]}_LIST} to match valid
+ TARGET_SPEC qualified depend files.
+
+2019-10-02 Simon J Gerraty <sjg@beast.crufty.net>
+
+ * dirdeps-targets.mk: encapsulate logic for finding top-level
+ targets to set initial DIRDEPS for DIRDEPS_BUILD
+
+2019-09-27 Simon J Gerraty <sjg@beast.crufty.net>
+
+ * install-mk (MK_VERSION): 20190911
+
+ * compiler.mk: set COMPILER_TYPE
+
+2019-07-17 Simon J Gerraty <sjg@beast.crufty.net>
+
+ * install-mk (MK_VERSION): 20190704
+
+ * sys/Darwin.mk: support for Objective-C and clang
+
+2019-05-30 Simon J Gerraty <sjg@beast.crufty.net>
+
+ * dirdeps.mk: avoid insanely long command line when generating cache
+
+2019-05-23 Simon J Gerraty <sjg@beast.crufty.net>
+
+ * install-mk (MK_VERSION): 20190505
+
+ * whats.mk: handle corner case SHLIB defined but not LIB
+
+2018-09-19 Simon J Gerraty <sjg@beast.crufty.net>
+
+ * install-mk (MK_VERSION): 20180919
+
+ * dirdeps-options.mk: .undef cannot handle var that expands to
+ more than one var.
+
+2018-07-08 Simon J Gerraty <sjg@beast.crufty.net>
+
+ * meta.stage.mk: allow wildcards in STAGE_FILES.* etc.
+
+2018-06-01 Simon J Gerraty <sjg@beast.crufty.net>
+
+ * meta.autodep.mk: export META_FILES to avoid command line limit
+ * gendirdeps.mk: if we have lots of .meta files put them in
+ an @list
+
+2018-05-28 Simon J Gerraty <sjg@beast.crufty.net>
+
+ * dirdeps-options.mk: use local.dirdeps-options.mk
+ not local.dirdeps-option.mk
+
+2018-04-20 Simon J Gerraty <sjg@beast.crufty.net>
+
+ * install-mk (MK_VERSION): 20180420
+ * dirdeps.mk: include local.dirdeps-build.mk when .MAKE.LEVEL > 0
+ ie. we are building something.
+
+2018-04-14 Simon J Gerraty <sjg@beast.crufty.net>
+
+ * FILES: add dirdeps-options.mk to deal with optional DIRDEPS.
+
+2018-04-05 Simon J Gerraty <sjg@beast.crufty.net>
+
+ * install-mk (MK_VERSION): 20180405
+
+ * ldorder.mk: describe how to use LDORDER_EXTERN_BARRIER
+ if needed.
+
+2018-01-18 Simon J Gerraty <sjg@beast.crufty.net>
+
+ * install-mk (MK_VERSION): 20180118
+
+ * ldorder.mk: let make compute correct link order
+
+2017-12-12 Simon J Gerraty <sjg@beast.crufty.net>
+
+ * install-mk (MK_VERSION): 20171212
+
+ * gendirdeps.mk: guard against bogus entries in GENDIRDEPS_FILTER
+
+2017-11-14 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20171111
+
+ * lib.mk: ensure META_NOECHO is set
+
+2017-10-25 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * Allow for host32 on rare occasions.
+
+2017-10-18 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20171018
+
+ * whats.mk: include what_thing in what_uuid to avoid problem
+ when building multiple apps in the same directory.
+
+2017-08-12 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20170812
+
+ * autoconf.mk: Use CONFIGURE_DEPS so Makefile can
+ add dependencies for config.recheck and config.gen
+
+2017-06-30 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20170630
+
+ * meta.stage.mk: avoid triggering stage_* targets with nothing to do.
+
+2017-05-23 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * meta2deps.py: take special care of '..'
+
+2017-05-15 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20170515
+
+ * dirdeps.mk (DEP_EXPORT_VARS): on rare occasions it is
+ useful/necessary for a Makefile.depend file to export some knobs.
+ This is complicated when we are doing DIRDEPS_CACHE, so we will
+ handle export of any variables listed in DEP_EXPORT_VARS.
+
+2017-05-08 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20170505
+
+ * meta2deps.py: fix botched indenation.
+
+2017-05-05 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * sys/*.mk: Remove setting of MAKE it is unnecessary and
+ in many cases wrong (basname rather than full path)
+
+ * scripts.mk (SCRIPTSGROUPS): make this more like files.mk and inc.mk
+
+ * init.mk: define realbuild to simplify logic in {lib,prog}.mk etc
+
+2017-05-01 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20170501
+
+ * doc.mk: fix typo in DOC_INSTALL_OWN
+
+ * inc.mk: handle INCGROUPS similar to freebsd
+
+ * files.mk: add something for files too
+
+ * add staging logic to lib.mk prog.mk etc.
+
+2017-04-24 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20170424
+
+ * dirdeps.mk: set NO_DIRDEPS when bootstrapping.
+ also target of bootstrap-this when sed is needed should be ${_want:T}
+
+2017-04-18 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20170418
+
+ * auto.obj.mk: if using MAKEOBJDIRPREFIX check if it is a
+ prefix match for .CURDIR - in which case .CURDIR *is* __objdir.
+
+2017-04-01 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20170401
+
+ * meta2deps.py: add is_src so we can check if obj dependency
+ is also a src dependency.
+
+2017-03-26 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20170326
+
+ * meta.stage.mk: do nothing if NO_STAGING is defined.
+
+2017-03-24 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * auto.obj.mk: handle the case of __objdir=obj or obj.${MACHINE} etc.
+
+2017-03-18 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * mkopt.sh: treat WITH_*=NO like no; ie. WITHOUT_*
+
+2017-03-01 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20170301
+
+ * dirdeps.mk (_build_all_dirs): update this outside test for empty
+ DIRDEPS.
+
+ * meta.stage.mk: allow multiple inclusion to the extent it makes
+ sense.
+
+2017-02-14 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * prog.mk (install_links): depends on realinstall
+
+2017-02-12 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20170212
+
+ * dpadd.mk: avoid applying :T:R twice to DPLIBS entries
+
+2017-01-30 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20170130
+
+ * dirdeps.mk: use :range if we can.
+
+ * sys.vars.mk: provide M_cmpv if MAKE_VERSION >= 20170130
+
+ * meta2deps.py: clean paths without using realpath() where possible.
+ fix sort_unique.
+
+2016-12-12 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20161212
+
+ * meta2deps.py: set pid_cwd[pid] when we process 'C'hdir,
+ rather than when we detect pid change.
+
+2016-12-07 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20161207
+
+ * meta.stage.mk: add stage_as_and_symlink for staging packages.
+ We build foo.tgz stage_as foo-${VERSION}.tgz but want to be able
+ to use foo.tgz to reference the latest staged version - so we
+ make foo.tgz a symlink to it.
+ Using a target to do both operations ensures we stay in sync.
+
+2016-11-26 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20161126
+
+ * dirdeps.mk: set DIRDEPS_CACHE before we include local.dirdeps.mk
+ so it can add dependencies.
+
+2016-10-10 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * dirdeps.mk: set DEP_* before we expand .MAKE.DEPENDFILE_PREFERENCE
+ do that they can influence the result correctly.
+
+ * dirdeps.mk (${DIRDEPS_CACHE}): make sure we pass on TARGET_SPEC
+
+ * dirdeps.mk: Add ONLY_TARGET_SPEC_LIST and NOT_TARGET_SPEC_LIST
+ similar to ONLY_MACHINE_LIST and NOT_MACHINE_LIST
+
+2016-10-05 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * dirdeps.mk: remove dependence on jot (normal situations anyway).
+ Before we read another Makefile.depend* set DEP_* vars from
+ _DEP_TARGET_SPEC in case it uses any of them with :=
+ When bootstrapping, trim any ,* from extention of chosen _src
+ Makefile.depend* to get the machine value we subst for.
+
+2016-09-30 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * dirdeps.mk: use TARGET_SPEC_VARS to qualify components added to
+ DEP_SKIP_DIR and DEP_DIRDEPS_FILTER
+
+ * sys.mk: extract some bits to sys.{debug,vars}.mk
+ for easier re-use by others.
+
+2016-09-23 Simon Gerraty <sjg@sjg-mba13>
+
+ * lib.mk: Use ${PICO} for extension for PIC objects.
+ default to .pico (like NetBSD) safe on case insensitive filesystem.
+
+2016-08-19 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * meta.sys.mk (META_COOKIE_TOUCH): use ${.OBJDIR}/${.TARGET:T} as default
+
+2016-08-15 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20160815
+
+ * dirdeps.mk (.MAKE.META.IGNORE_FILTER): set filter to only
+ consider Makefile.depend* when checking if DIRDEPS_CACHE is up-to-date.
+
+2016-08-13 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * meta.sys.mk (.MAKE.META.IGNORE_PATHS):
+ in meta mode we can ignore the mtime of makefiles
+
+2016-08-02 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20160802
+
+ * lib.mk (libinstall): depends on beforinstall
+
+ * prog.mk (proginstall): depends on beforinstall
+ patch from Lauri Tirkkonen
+
+ * dirdeps.mk (bootstrap): When bootstrapping; creat
+ .MAKE.DEPENDFILE_DEFAULT and allow additional filtering via
+ .MAKE.DEPENDFILE_BOOTSTRAP_SED
+
+ * dirdeps.mk: move some comments to where they make sense.
+
+2016-07-27 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * dirdeps.mk (DIRDEPS_CACHE): no dirname.
+
+2016-06-02 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20160602
+ * meta.autodep.mk: when passing META_FILES to gendirdeps.mk
+ do not apply :T to META_XTRAS
+ patch from Bryan Drewery at FreeBSD.org.
+
+2016-05-30 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20160530
+ * meta.stage.mk: we assume ${CLEANFILES} gets .NOPATH
+ make it so.
+
+2016-05-12 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20160512
+
+ * dpadd.mk: always include local.dpadd.mk if it exists
+ remove some things that better belong in local.dpadd.mk
+ skip INCLUDES_* for staged libs unless SRC_* defined.
+
+ * own.mk: add INCLUDEDIR
+
+2016-04-18 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * dirdeps.mk: when doing -f dirdeps.mk if target suppies no
+ TARGET_MACHINE - :E will be empty or match part of path, use
+ ${MACHINE}
+
+2016-04-07 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * meta.autodep.mk: issue a warning if UPDATE_DEPENDFILE=NO due to
+ NO_FILEMON_COOKIE
+
+ * dirdeps.mk: move the logic that allows for
+ make -f dirdeps.mk some/dir.${TARGET_SPEC}
+ inside the check for !target(_DIRDEP_USE)
+
+2016-04-04 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * Use <> when including local*.mk and others which may exist
+ elsewhere so that user can better control what they get.
+
+ * meta.autodep.mk (NO_FILEMON_COOKIE):
+ create a cookie if we ever build dir with nofilemon
+ so that UPDATE_DEPENDFILE will be forced to NO until cleaned.
+
+2016-04-01 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20160401
+
+ * meta2deps.py: fix old print statement when debugging.
+
+ * gendirdeps.mk: META2DEPS_CMD append M2D_EXCLUDES with -X
+ patch from Bryan Drewery
+
+2016-03-22 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20160317 (St. Pats)
+
+ * warnings.mk: g++ does not like -Wimplicit
+
+ * sys.mk sys/*.mk lib.mk prog.mk: use CXX_SUFFIXES to handle the
+ pelthora of common suffixes for C++
+
+ * lib.mk: use .So for shared objects
+
+2016-03-15 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20160315
+
+ * meta.stage.mk (LN_CP_SCRIPT): do not ln(1) if we have to chmod(1)
+ normally only applies to scripts.
+
+ * dirdeps.mk: NO_DIRDEPS_BELOW to supress DIRDEPS below RELDIR as
+ well as outside it.
+
+2016-03-10 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20160310
+
+ * dirdeps.mk: use targets rather than a list to track DIRDEPS that
+ we have processed; the list gets very inefficient as number of
+ DIRDEPS gets large.
+
+ * sys.dependfile.mk: fix comment wrt MACHINE
+
+ * meta.autodep.mk: ignore staged DPADDs when bootstrapping.
+ patch from Bryan Drewery
+
+2016-03-02 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * meta2deps.sh: don't ignore subdirs.
+ patch from Bryan Drewery
+
+2016-02-26 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20160226
+
+ * gendirdeps.mk: mark _DEPENDFILE .NOMETA
+
+2016-02-20 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * dirdeps.mk: we shouldn't normally include .depend but if we do
+ use .dinclude if we can.
+
+2016-02-18 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20160218
+ * sys.clean-env.mk: with recent change to Var_Subst()
+ we cannot use the '$$' trick, but .export-literal does the job
+ we need.
+ * auto.dep.mk: make use .dinclude if we can.
+
+
+2016-02-05 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * dirdeps.mk:
+ Add _build_all_dirs such that local.dirdeps.mk can
+ add fully qualified dirs to it.
+ These will be built normally but the current
+ DEP_RELDIR will not depend on then (to avoid cycles).
+ This makes it easy to hook things like unit-tests into build.
+
+
+2016-01-21 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * dirdeps.mk: add bootstrap-empty
+
+2015-12-12 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20151212
+ * auto.obj.mk: do not require MAKEOBJDIRPREFIX to exist.
+ only apply :tA to __objdir when comparing to .OBJDIR
+
+2015-11-14 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20151111
+
+ * meta.sys.mk: include sys.dependfile.mk
+
+ * sys.mk (OPTIONS_DEFAULT_NO): use options.mk
+ to set MK_AUTO_OBJ and MK_DIRDEPS_BUILD
+ include local.sys.env.mk early
+ include local.sys.mk later
+
+ * own.mk (OPTIONS_DEFAULT_NO): AUTO_OBJ etc moved to sys.mk
+
+2015-11-13 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * meta.sys.mk (META_COOKIE_TOUCH):
+ add ${META_COOKIE_TOUCH} to the end of scripts to touch cookie
+
+ * meta.stage.mk: stage_libs should ignore SYMLINKS.
+
+2015-10-23 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20151022
+
+ * sys.mk: BSD/OS does not have 'type' as a shell builtin.
+
+2015-10-20 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20151020
+
+ * dirdeps.mk: Add logic for
+ make -f dirdeps.mk some/dir.${TARGET_SPEC}
+
+2015-10-14 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20151010
+
+2015-10-02 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * meta.stage.mk: use staging: ${STAGE_TARGETS:...
+ to have stage_lins run last in non-jobs mode.
+ Use .ORDER only for jobs mode.
+
+2015-09-02 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * rst2htm.mk: allow for per target flags etc.
+
+2015-09-01 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20150901
+
+ * doc.mk: create dir if needed use DOC_INSTALL_OWN
+
+2015-06-15 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20150615
+
+ * auto.obj.mk: allow use of MAKEOBJDIRPREFIX too.
+ Follow make's normal precedence rules.
+
+ * gendirdeps.mk: allow customization of the header.
+ eg. for FreeBSD:
+ GENDIRDEPS_HEADER= echo '\# ${FreeBSD:L:@v@$$$v$$ @:M*F*}';
+
+ * meta.autodep.mk: ignore dirdeps.cache*
+
+ * meta.stage.mk: when bootstrapping options it can be handy to
+ throw warnings rather than errors for staging conflicts.
+
+ * meta.sys.mk: include local.meta.sys.mk for customization
+
+2015-06-06 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20150606
+
+ * dirdeps.mk: don't rely on manually maintained Makefile.depend
+ to set DEP_RELDIR and reset DIRDEPS.
+ By setting DEP_RELDIR ourselves we can skip :tA
+
+ * gendirdeps.mk: skip setting DEP_RELDIR.
+
+2015-05-24 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * dirdeps.mk: avoid wildcards like make(bootstrap*)
+
+2015-05-20 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20150520
+
+ * dirdeps.mk: when we are building dirdeps cache file we *want*
+ meta_oodate to look at all the Makefile.depend files, so
+ set .MAKE.DEPENDFILE to something that won't match.
+
+ * meta.stage.mk: for STAGE_AS_* basename of file may not be unique
+ so first use absolute path as key.
+ Also skip staging at level 0.
+
+2015-04-30 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20150430
+
+ * dirdeps.mk: fix _count_dirdeps for non-cache case.
+
+2015-04-16 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20150411
+ bump version
+
+ * own.mk: put AUTO_OBJ in OPTIONS_DEFAULT_NO rather than YES.
+ it is here mainly for documentation purposes, since
+ if using auto.obj.mk it is better done via sys.mk
+
+2015-04-01 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20150401
+
+ * meta2deps.sh: support @list
+
+ * meta2deps.py: updates from Juniper
+ o add EXCLUDES
+ o skip bogus input files.
+ o treat 'M' and 'L' as both an 'R' and a 'W'
+
+2015-03-03 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20150303
+
+ * dirdeps.mk: if MK_DIRDEPS_CACHE is yes, use dirdeps-cache
+ which is built via sub-make so we have a .meta file to tell if
+ it is out-of-date.
+ The dirdeps-cache contains the same dependency rules that we
+ normaly construct on the fly.
+ This adds a few seconds overhead when the cache is out of date,
+ but for a large target, the savings can be significant (10-20min).
+
+2014-11-18 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20141118
+
+ * meta.stage.mk: add stale_staged
+
+ * dirdeps.mk (_DIRDEP_USE_LEVEL): allow this to be tweaked
+ only useful under very rare conditions such as
+ FreeBSD's make universe.
+
+ * auto.obj.mk: Allow MK_AUTO_OBJ to set MKOBJDIRS=auto
+
+2014-11-11 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20141111
+
+ * mkopt.sh: use consistent semantics for _mk_opt and _mk_opts
+
+2014-11-09 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * FILES: include mkopt.sh which allows handling options in shell
+ scripts in a manner compatible with options.mk
+
+2014-10-12 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * meta.stage.mk: ensure only _STAGED_DIRS under objroot are used
+ for GENDIRDEPS_FILTER to avoid surprises.
+
+2014-10-10 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * dirdeps.mk (NSkipHostDir): this needs SRCTOP prepended since by
+ the time it is applied to __depdirs they have.
+
+ * dirdeps.mk fix filtering of _machines since M_dep_qual_fixes
+ expects patterns like *.${MACHINE}
+
+ * cython.mk (pyprefix?): use pyprefix to find python bits
+ since prefix might be something else (where we install our
+ stuff)
+
+2014-09-11 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20140911
+
+ * dirdeps.mk: add bootstrap target to simplify adding support for
+ new MACHINE.
+
+2014-09-01 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * gendirdeps.mk: Add handling of GENDIRDEPS_FILTER_DIR_VARS and
+ GENDIRDEPS_FILTER_VARS to make it easier to produce sharable
+ Makefile.depend files.
+
+2014-08-28 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20140828
+
+ * cython.mk: capture logic for building python extension modules
+ with Cython.
+
+2014-08-08 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * meta.stage.mk (_STAGE_AS_BASENAME_USE): Add StageAs variant
+
+2014-08-02 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20140801
+
+ * dep.mk: use explicit MKDEP_MK rather than overload MKDEP to
+ identify the autodep.mk variant.
+
+ * sys.dependfile.mk: delete .MAKE.DEPENDFILE if its
+ initial value does not match .MAKE.DEPENDFILE_PREFIX
+
+ * meta.autodep.mk: if _bootstrap_dirdeps add RELDIR to DIRDEPS
+
+2014-05-22 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20140522
+
+ * lib.mk: use CC to link shlib for linux too
+ patch from Brendan MacDonell
+
+2014-05-05 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * meta.autodep.mk: add _reldir_{finish,failed} for gathering stats
+ if WITH_META_STATS is defined.
+
+2014-05-02 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * dirdeps.mk: accept -DWITHOUT_DIRDEPS (same a as -DNO_DIRDEPS)
+ to supress dirdeps outside of .CURDIR.
+
+2014-04-05 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * Fix spelling errors - patch from Pedro Giffuni
+
+2014-03-14 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20140314
+
+ * dirdeps.mk (beforedirdeps): a handy hook
+
+ * dirdeps.mk (DIRDEP_MAKE): allow the actual command we run
+ to visit leaf dirs to be intercepted (eg. for distributed
+ build).
+
+ * dirdeps.mk (__depdirs): ensure // don't sneak in
+
+ * gendirdeps.mk (DIRDEPS): ensure // don't sneak in
+
+
+2014-02-21 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * rst2htm.mk (RST2PDF): add support for rst2pdf
+
+2014-02-14 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version
+ * dirdeps.mk (_last_dependfile): use .INCLUDEDFROMFILE if
+ available.
+
+2014-02-10 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * options.mk: avoid :U so this isn't bmake dependent
+
+2014-02-09 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * options.mk: cleanup and simplify semanitcs
+ NO_* dominates all, if both WITH_* and WITHOUT_*
+ are defined then result is DOMINATE_* which defaults to "no".
+ Ie. WITHOUT_ normally wins.
+
+2013-12-12 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version
+ * meta2deps.py: convert to print function for python3 compat.
+ we also need to open files with mode 'r' rather than 'rb'
+ otherwise we get bytes instead of strings.
+
+2013-10-10 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version
+
+ * dirdeps.mk: when TARGET_SPEC_VARS is more than just MACHINE
+ apply the same filtering (M_dep_qual_fixes) when setting _machines
+ as _build_dirs.
+ Also fix the filtering of Makefile.depend files - for reporting
+ what we are looking for (M_dep_qual_fixes can get confused by
+ Makefile.depend)
+ Add some more debug info.
+
+2013-09-04 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * gendirdeps.mk (_objtops): fix typo also
+ while processing M2D_OBJROOTS to gather qualdir_list
+ qualify $ql with loop iterator to ensure correct results.
+
+2013-08-01 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20130801
+ * libs.mk: update to match progs.mk
+
+2013-07-26 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20130726
+ some updates from Juniper and FreeBSD
+ o meta2deps.py: indicate file and line number when we hit parse
+ errors
+ also allow @file to provide huge list of .meta files.
+ * meta2deps.py: add try_parse() to cleanup the above.
+
+2013-07-16 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20130716
+ * own.mk: add GPROG as an option
+ * prog.mk: honor MK_GPROF==yes
+
+2013-05-10 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20130505
+ * gendirdeps.mk, meta2deps.py, meta2deps.sh: handle $TARGET_SPEC
+ for when $MACHINE isn't enough for objdir distinction.
+ Bring meta2deps.sh closer to par with meta2deps.py.
+
+2013-04-18 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * meta.stage.mk: set INSTALL to STAGE_INSTALL when making 'all'
+ also if the target 'beforeinstall' exists, make it depend on
+ .dirdep (incase it uses STAGE_INSTALL).
+
+2013-04-17 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): 20130401 ;-)
+ * meta.stage.mk (STAGE_INSTALL_SH): add stage-install.sh as
+ wrapper around install(1).
+ * options.mk (OPTION_PREFIX): Allow a prefix other than MK_
+
+2013-03-30 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * meta2deps.py (MetaFile.__init__): ensure self.cwd is initialized.
+ * install-mk (MK_VERSION): bump version
+
+2013-03-21 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version
+ * gendirdeps.mk: do not apply :tA to DPADD entries, since we lose
+ any trailing /., rather apply :tA only when needed.
+ * gendirdeps.mk: better mimic meta2deps handling of .dirdep files.
+ * meta.stage.mk (LN_CP_SCRIPT): Add LnCp to do the ln||cp dance
+ consistently.
+ * dirdeps.mk: better describe the dance in sys.mk for TARGET_SPEC.
+
+2013-03-18 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * gendirdeps.mk: revert the dance around .MAKE.DEPENDFILE_DEFAULT
+ it is simpler to just not update when say building for "host"
+ (where we know we apply filters to DIRDEPS), and using a
+ non-machine qualified dependfile.
+
+2013-03-16 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * dirdeps.mk: improve DIRDEPS filtering by allowing DEP_SKIP_DIR
+ and DEP_DIRDEPS_FILTER to vary by DEP_MACHINE and DEP_TARGET_SPEC
+ * gendirdeps.mk: ensure _objroot has trailing / if it needs it.
+ * meta2deps.py: if machine is "host", then also trim
+ self.host_target from any OBJROOTS.
+
+
+2013-03-11 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * gendirdeps.mk: if .MAKE.DEPENDFILE_DEFAULT is not machine
+ qualified but _DEPENDFILE is, and .MAKE.DEPENDFILE_DEFAULT exists
+ but _DEPENDFILE does not, compare the new _DEPENDFILE against
+ .MAKE.DEPENDFILE_DEFAULT and discard if the same.
+
+2013-03-08 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * meta.stage.mk: use STAGE_TARGETS to control .ORDER
+ and hook to all: via staging:
+
+2013-03-07 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * sys.dependfile.mk (.MAKE.DEPENDFILE_DEFAULT):
+ use a separate variable for the default .MAKE.DEPENDFILE value
+ so that it can be controlled independently of
+ .MAKE.DEPENDFILE_PREFERENCE
+
+ * meta.stage.mk: throw error if cp fails etc.
+ Stage*() return early if passed no args.
+ .ORDER stage_*
+
+2013-03-03 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version
+ * gendirdeps.mk: handle multiple M2D_OBJROOTS better.
+
+2013-02-10 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20130210
+ * import latest dirdeps.mk, gendirdeps.mk and meta2deps.py
+ from Juniper.
+ o dirdeps.mk now fully supports TARGET_SPEC consisting of more
+ than just MACHINE.
+ o no longer use DEP_MACHINE from Makefile.depend* so remove it.
+
+2013-01-23 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20130123
+ * meta.stage.mk: add stage_links (hard links).
+ if doing hard links, we add dest to link as well.
+ Default the stage dir for [sym]links to STAGE_OBJTOP since
+ these are typically specified as absolute paths.
+ Add -m "mode" flag to StageFiles and StageAs.
+
+2012-11-11 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20121111
+ * autoconf.mk: avoid meta mode seeing changed commands for config.status
+ * meta.autodep.mk: pass resolved MAKESYSPATH to gendirdeps
+ in case we were found via .../mk
+ * sys.clean-env.mk: move it from examples, we and others use it
+ "as is".
+ * FILES: add srctop.mk and options.mk
+ * own.mk: convert to using options.mk
+ which is modeled after FreeBSD's handling of MK_*
+ but more flexible.
+ This allows MK_* for boolean knobs to not be confused
+ with MK* which can be commands.
+
+ * examples/sys.clean-env.mk: add WITH[OUT]_ to
+ MAKE_ENV_SAVE_PREFIX_LIST.
+ Mention that HOME=/var/empty might be a good idea.
+
+2012-11-08 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * sys.dependfile.mk: if not depend file exists, $MACHINE
+ specific ones are supported but not the default,
+ check if any exist and follow suit.
+
+2012-11-06 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20121106
+
+2012-11-05 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * import latest dirdeps.mk and meta2deps.py from Juniper.
+ * progs.mk: add MAN and CXXFLAGS to PROG_VARS
+ also add PROGS_TARGETS and pass on PROG_CXX if it seems
+ appropriate.
+
+2012-11-04 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * meta.stage.mk: update CLEANFILES
+ remove redundant cp of .dirdep from STAGE_AS_SCRIPT.
+ * progs.mk: Add LDADD to PROG_VARS
+
+2012-10-12 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * meta.stage.mk (STAGE_DIR_FILTER): track dirs we stage to in
+ _STAGED_DIRS so that these can be turned into filters for
+ GENDIRDEPS_FILTER.
+
+2012-10-10 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20121010
+ * meta.stage.mk (STAGE_DIRDEP_SCRIPT): check that an existing
+ target.dirdep matches .dirdep
+
+2012-08-08 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20120808
+ * import latest meta2deps.py from Juniper.
+
+2012-07-11 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20120711
+ * dep.mk: add explicit dependencies on SRCS after applying
+ SRCS_DEP_FILTER
+ * meta.autodep.mk: add explicit dependencies on SRCS after
+ applying SRCS_DEP_FILTER
+ * meta.autodep.mk: ensure GENDIRDEPS_FILTER is exported if needed.
+
+2012-06-26 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20120626
+ * meta.sys.mk: ignore PYTHON if it does not exist
+ compare ${.MAKE.DEPENDFILE:E} against ${MACHINE} is more reliable.
+ * meta.stage.mk: examine .MAKE.DEPENDFILE_PREFERENCE for any
+ entries ending in .${MACHINE} to decide if qualified _dirdep is
+ needed.
+ * gendirdeps.mk: only produce unqualified deps if no
+ .MAKE.DEPENDFILE_PREFERENCE ends in .${MACHINE}
+ * meta.subdir.mk: apply SUBDIRDEPS_FILTER
+
+2012-04-20 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20120420
+ * add sys.dependfile.mk so we can experiment with
+ .MAKE.DEPENDFILE_PREFERENCE
+ * meta.autodep.mk: _DEPENDFILE is precious!
+
+2012-03-15 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20120315
+ * install-new.mk: avoid being interrupted
+
+2012-02-26 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * man.mk: MAN might have multiple values so be careful with exists().
+
+2012-01-19 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20120112
+ * fix examples/sys.clean-env.mk so that MAKEOBJDIR is handled
+ as: MAKEOBJDIR='${.CURDIR:S,${SRCTOP},${OBJTOP},}'
+
+2011-12-03 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20111201
+ * import dirdeps.mk from Juniper sjg@
+ o more consistent handling of DEP_MACHINE, especially when
+ dealing with an odd Makefile.depend, when normally using
+ Makefile.depend.${MACHINE}
+
+2011-11-22 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20111122
+ * meta.autodep.mk: add some debug output, be more crisp about
+ updating. Use ${.ALLTARGETS:M*.o} as a clue for .depend
+
+2011-11-13 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20111111
+ it's too cool to miss
+ * import meta* updates from Juniper sjg@
+ o dirdeps.mk set DEP_MACHINE for Makefile.depend (when we are
+ normally using Makefile.depend.${MACHINE}), handy for
+ read-only manually maintained dependencies.
+ o meta2deps.py add a clear 'ERROR:' token if an exception is raised.
+ o gendirdeps.mk if ERROR: from meta2deps.py do not update
+ anything.
+
+2011-10-30 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-new.mk separate the cmp and copy logic to its own function.
+
+2011-10-28 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20111028
+ * sys.mk: include auto.obj.mk if MKOBJDIRS is set to auto
+ * subdir.mk: ensure _SUBDIRUSE is provided
+ * meta.autodep.mk: remove dependency of gendirdeps.mk on auto.obj.mk
+ * meta.subdir.mk: always allow for Makefile.depend
+
+2011-10-10 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20111010
+ o minor tweak to *dirdeps.mk from Juniper sjg@
+
+2011-10-01 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20111001
+ o add meta2deps.py from Juniper sjg@
+ o tweak gendirdeps.mk to work with meta2deps.py when not
+ cross-building
+ * autoconf.mk: add autoconf-input as a hook for regenerating
+ AUTOCONF_INPUTS (configure).
+
+2011-08-24 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * meta.autodep.mk: if we do not have OBJS, .depend isn't a useful
+ trigger for updating Makefile.depend*
+
+2011-08-08 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20110808
+ * obj.mk: minor cleanup
+ * auto.obj.mk: improve description of Mkdirs and honor NO_OBJ too.
+
+2011-08-01 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * auto.obj.mk (.OBJDIR): throw an error if we cannot use the
+ specified dir.
+
+2011-06-28 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * meta.autodep.mk: if XMAKE_META_FILE is set
+ the makefile uses a foreign make, and so dependencies
+ can only be gathered from a clean tree build.
+
+2011-06-24 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20110622
+ * meta.autodep.mk: improve bootstraping
+
+2011-06-10 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * yacc.mk: handle the corner case of .c being removed
+ while .h remains.
+
+2011-06-08 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * yacc.mk: do .y.h and .y.c separately
+
+2011-06-04 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20110606
+ * don't store SRC_DIRDEPS in Makefile.depend* by default
+ not everyone needs it.
+
+2011-05-04 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20110505
+ first release including meta mode makefiles
+
+2011-05-02 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * meta.stage.mk: add STAGE_AS_SETS and stage_as
+ for things that need to be staged with different names.
+
+2011-05-01 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * meta.stage.mk: add notion of STAGE_SETS
+ so a makefile can stage to multiple dirs
+
+2011-04-03 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * rst2htm.mk: convert rst to s5 (slides) or plain html depending
+ on target name.
+
+2011-03-30 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20110330
+
+2011-03-29 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * sys.mk (_DEBUG_MAKE_FLAGS): use indirection so that DEBUG_MAKE_FLAGS0
+ can be used to debug level 0 only and DEBUG_MAKE_FLAGS for the rest.
+ * sys.mk: re-define M_whence in terms of M_type.
+ M_type is useful for checking if something is a builtin.
+
+2011-03-16 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * meta.stage.mk: add stage_symlinks and leverage StageLinks for
+ stage_libs
+
+2011-03-10 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * dirdeps.mk: correct value for _depdir_files depends on
+ .MAKE.DEPENDFILE
+ Add our copyright - just to make it clear we have frobbed this
+ quite a bit.
+ DEP_MACHINE needs to be set to MACHINE each time, if using only
+ Makefile.depend (cf. Makefile.depend.${MACHINE})
+
+ * meta.stage.mk: meta mode version of staging
+
+ * init.mk, final.mk: include local.*.mk to simplify customization
+
+2011-03-03 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * auto.obj.mk: just because we are doing mk destroy, we should
+ still set .OBJDIR correctly if it exists.
+
+ * install-mk (mksrc): do not exclude meta.sys.mk
+
+2011-03-01 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * host-target.mk: set/export _HOST_ARCH etc separately,
+ catch junk resulting from uname -p, so we can find sys/Linux.mk
+ correctly.
+
+2011-02-18 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * meta.sys.mk: throw an error if /dev/filemon is missing and we
+ expected to be updating Makefile.depend*
+
+2011-02-14 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20110214
+ * meta.subdir.mk: add support for -DBOOTSTRAP_DEPENDFILES
+
+2010-09-25 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * meta.sys.mk: not valid for older bmake
+
+2010-09-24 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20100919
+ include dirdeps.mk et al from Juniper Networks,
+ for meta mode - requires filemon(9).
+ * sys.mk, subdir.mk: Add hooks for meta mode.
+ we do this as meta.sys.mk, meta.autodep.mk and meta.subdir.mk
+ to make turning it on/off simple.
+
+2010-06-16 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20100616
+ * fix typo in sys.mk
+
+2010-06-12 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20100612
+ * lib.mk: remove duplicate addition to SOBJS
+
+2010-06-10 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * sys.mk: Add a means of selectively turning on debug flags.
+ Eg. DEBUG_MAKE_FLAGS=-dv DEBUG_MAKE_DIRS="*lib/sjg"
+ will act as if we did make -dv if .CURDIR ends in lib/sjg
+ DEBUG_MAKE_SYS_DIRS does the same thing, but we set the flags at
+ the start of sys.mk rather than the end.
+ This only makes sense for leaf dirs, so we check that
+ .MAKE.LEVEL > 0
+
+2010-06-09 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20100608
+ * sys.mk: include sys.env.mk later so it can use M_ListToSkip et al.
+ * examples/sys.clean-env.mk: require MAKE_VERIONS >= 20100606
+ also make it easier for folk to tweak
+
+2010-06-08 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20100606
+ do not install examples/*
+ * FILES: add examples/sys.clean-env.mk
+ * examples/sys.clean-env.mk: use .export-env to handle MAKEOBJDIR
+ this requires bmake-20100606 or later to work.
+
+2010-05-13 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * sys.mk (M_tA): better simulate the result of :tA if not available.
+
+2010-05-04 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * sys.mk: canonicalize MAKE_VERSION
+ old versions reported bmake-<src-date> build-<build-date>
+ whereas we only care about <src-date>
+
+2010-04-25 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk: just warn about FORCE_{BSD,SYS}_MK being ignored
+ * lib.mk: we only build the shared lib if SHLIB_FULLVERSION
+ is !empty
+
+2010-04-22 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * dpadd.mk: use LDADD_* if defined.
+
+2010-04-21 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20100420
+ * sys/NetBSD.mk: add MACHINE_CPU to keep netbsd makefiles happy
+ * autoconf.mk allow AUTO_AUTOCONF
+
+2010-04-19 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * obj.mk: add objwarn to keep freebsd makefiles happy
+ * auto.obj.mk: ensure Mkdirs is available.
+ * FILES: add auto.dep.mk - a simpler version of autodep.mk
+ * dep.mk: auto.dep.mk does not do 'make depend' so ignore it if
+ asked to do that.
+ fix/simplify the tests for when to run mkdep.
+ * auto.dep.mk: add some explanation of how/what we do.
+ * autodep.mk: skip the .OPTIONAL frobbing of .depend
+ bmake's FROM_DEPEND flag makes it redundant.
+
+2010-04-13 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20100404
+ * subdir.mk: protect from multiple inclusion using _SUBDIRUSE.
+ * obj.mk: protect from multiple inclusion even as bsd.obj.mk
+ Also create a target _SUBDIRUSE so that we can be used without
+ subdir.mk
+
+2010-04-12 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * dep.mk: use <> when .including so can override.
+
+2010-01-11 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * lib.mk (SHLIB_LINKS): ensure a string comparison.
+
+2010-01-04 Simon J. Gerraty <sjg@bad.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20100102
+ * own.mk: ensure PRINTOBJDIR works
+ * autoconf.mk: pass on CONFIGURE_ARGS
+ * init.mk: handle COPTS.${.IMPSRC:T} etc.
+ * lib.mk: allow sys.mk to control SHLIB_FULLVERSION
+ fix handling of symlinks for darwin
+ * libnames.mk: add DSHLIBEXT for libs which only exist as shared.
+ * man.mk: suppress chown when not root.
+ * rst2htm.mk: allow srcs from multiple locations.
+ * sys.mk: M_whence, stop after 1st line of output.
+ * sys/Darwin.mk: Use .dylib for DSHLIBEXT and HOST_LIBEXT
+ * sys/SunOS.mk: we need to export PATH
+
+2009-12-23 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * install-mk (MK_VERSION): bump version
+ include rst2htm.mk
+
+2009-12-17 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * sys.mk,libnames.mk add .-include <local.*>
+ this allows local customization without the need to edit the
+ distributed files.
+
+2009-12-14 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * dpadd.mk (__dpadd_libdirs): order -L's to avoid picking up
+ older versions already installed.
+
+2009-12-13 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * stage.mk (.stage-install): generalize lib.mk's .libinstall
+ * rules.mk rules for generic Makefile.
+ * inc.mk install for includes.
+
+2009-12-11 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * sys/NetBSD.mk (MAKE_VERSION): some of our *.mk want to check
+ this, so provide it if using native make.
+
+2009-12-10 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * FILES: move all the platform *.sys.mk files to sys/*.mk
+ * Rename Generic.sys.mk to sys.mk - we always want it.
+
+2009-11-17 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * install-mk (MK_VERSION): bump version
+ * host-target.mk: only export the expensive stuff
+ * Generic.sys.mk (sys_mk): for SunOS we need to look for
+ ${HOST_OS}.${HOST_OSMAJOR} too!
+
+2009-11-07 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * install-mk (MK_VERSION): bump version
+ * lib.mk: if sys.mk doesn't give us an lorder, don't use it.
+ based on patch from Greg Olszewski.
+ * Generic.sys.mk: if we have nothing to work with
+ set LORDER etc only if we can find it.
+
+2009-09-08 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * install-mk (MK_VERSION): bump version
+ * man.mk: cleanman: remove CLEANMAN if defined.
+
+2009-09-04 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * SunOS.5.sys.mk (CC): Use ?= like the other *sys.mk
+
+2009-07-17 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * install-mk (MK_VERSION): bump version
+ include auto.obj.mk
+
+
+2009-03-26 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * prog.mk,lib.mk: ensure test of USE_DPADD_MK doesn't fail.
+
+2008-11-11 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * install-mk (MK_VERSION): bump version
+ man.mk: ensure we generate *.cat1 etc in .
+
+2008-07-16 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * install-mk (MK_VERSION): bump version
+ add prlist.mk
+
+2007-11-25 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * Generic.sys.mk: Allow os specific sys.mk to be in a
+ subdir of ${.PARSEDIR}
+
+2007-11-22 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * install-mk (MK_VERSION): bump version
+ * general cleanup
+ * dpadd.mk introduce DPMAGIC_LIBS_*
+
+2007-04-30 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * install-mk (MK_VERSION): bump version
+
+ * libs.mk, progs.mk, autodep.mk: allow for per lib/prog
+ depend files and ensure clean is called for each lib/prog.
+
+2007-03-27 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * autodep.mk (.depend): delete lines that do not start with
+ space and do not contain ':'
+
+2007-02-16 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * autodep.mk (.depend): gcc may wrap lines if pathnames are long
+ so make sure the transform for .OPTIONAL copes.
+
+2007-02-03 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * install-mk (MK_VERSION): bump version
+
+ * own.mk: make sure RM and LN are defined.
+
+ * obj.mk: fix a typo, and objlink target.
+
+2006-12-30 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * install-mk (MK_VERSION): bump version
+ * added libs.mk - analogous to progs.mk
+ make both of them always inlcude {lib,prog}.mk
+
+2006-12-28 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * progs.mk: add a means of building multiple apps in one dir.
+
+2006-11-26 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20061126
+
+ * warnings.mk: detect invalid WARNINGS_SET
+
+ * warnings.mk: use ${.TARGET:T:R}.o when looking for target
+ specific warnings.
+
+ * For .cc sources, turn off warnings that g++ vomits on.
+
+2006-11-08 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * own.mk: if __initialized__ target doesn't exist and we are
+ FreeBSD we got here directly from sys.mk
+
+2006-11-06 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20061106
+ add scripts.mk
+
+2006-03-18 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20060318
+
+ * autodep.mk: avoid := when modifying OBJS into __dependsrcs
+
+2006-03-02 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20060302
+ * autodep.mk: use -MF et al to help gcc+ccache DTRT.
+
+2006-03-01 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20060301
+ * autodep.mk (.depend):
+ if MAKE_VERSION is newer than 20050530 we can make .END depend on
+ .depend and make .depend depend on __depsrcs that exist.
+ * dpadd.mk: add SRC_PATHADD
+
+2005-11-04 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20051104
+ * prog.mk: remove all the LIBC?= junk, use
+ .-include libnames.mk instead (none by default).
+ also if USE_DPADD_MK is set, include that.
+
+2005-10-09 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20051001
+ Add UnixWare.sys.mk from Klaus Heinz.
+
+2005-04-05 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * install-mk: always install *.sys.mk and if need be symlink one
+ to sys.mk
+
+2005-03-22 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * subdir.mk, own.mk: use .MAKE rather than MAKE
+
+2004-02-15 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * own.mk: don't use NetBSD's _SRC_TOP_ it can
+ cause confusion. Also don't take just 'mk' as a
+ srctop indicator.
+
+2004-02-14 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * warnings.mk: overhauled, now very powerful.
+
+2004-02-03 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * Generic.sys.mk: need to use ${.PARSEDIR} with exists().
+
+2004-02-01 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * install-mk (MK_VERSION): bump version to 20040201
+ * extract HOST_TARGET stuff to host-target.mk so own.mk and
+ Generic.sys.mk can share.
+ * fix typo in autodep.mk _SUBDIRUSE not _SUBDIR.
+
+2003-09-30 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * install-mk (MK_VERSION): 20030930
+ * rename generic.sys.mk to Generic.sys.mk
+ so that it does not get installed (unless being used as sys.mk)
+ * set OS and ROOT_GROUP for those that we know the value.
+ for others (eg. Generic.sys.mk) wrap the != in an .ifndef so
+ we don't do it again for each sub-make.
+
+2003-09-28 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * install-mk (MK_VERSION): 20030928
+ Add some extra *.sys.mk from bootstrap-pkgsrc
+ some of these likely still need work.
+ Make everything default to root:wheel ownership,
+ sys.mk can set ROOT_GROUP accordingly.
+
+2003-08-07 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * install-mk: if FORCE_BSD_MK={cp,ln} use the ones in SYS_MK_DIR
+ not the portable ones.
+
+2003-07-31 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * install-mk: add ability to use cp -f when updating
+ destination .mk files. Also now possible to play games with
+ FORCE_SYS_MK=ln etc on *BSD machines to link /usr/share/mk/sys.mk
+ into dest - not recommended unless you seriously want to.
+
+2003-07-28 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * own.mk (IMPFLAGS): add support for COPTS.${IMPSRC:T} etc
+ for semi-compatability with NetBSD.
+
+2003-07-23 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * install-mk: add a version indicator
+
+2003-07-22 Simon J. Gerraty <sjg@void.crufty.net>
+
+ * prog.mk: don't try and use ${LIBCRT0} if its /dev/null
+
+ * install-mk: Allow FORCE_SYS_MK to come from env
+
+
+