Index: Mk/Uses/autoreconf.mk
===================================================================
--- Mk/Uses/autoreconf.mk
+++ Mk/Uses/autoreconf.mk
@@ -70,6 +70,7 @@
 _INCLUDE_USES_AUTORECONF_POST_MK=	yes
 
 .if ! ${autoreconf_ARGS:Mbuild}
+_USES_configure+=	470:do-autoreconf
 do-autoreconf:
 .for f in AUTHORS ChangeLog INSTALL NEWS README
 # Don't modify time stamps if the files already exist
Index: Mk/Uses/charsetfix.mk
===================================================================
--- Mk/Uses/charsetfix.mk
+++ Mk/Uses/charsetfix.mk
@@ -17,6 +17,7 @@
 
 CHARSETFIX_MAKEFILEIN?=	Makefile.in
 
+_USES_patch+=	600:charsetfix-post-patch
 charsetfix-post-patch:
 	@${FIND} ${WRKSRC} -name "${CHARSETFIX_MAKEFILEIN}" -type f | ${XARGS} ${REINPLACE_CMD} \
 		-e 's|need_charset_alias=true|need_charset_alias=false|g ; \
Index: Mk/Uses/cran.mk
===================================================================
--- Mk/Uses/cran.mk
+++ Mk/Uses/cran.mk
@@ -70,11 +70,10 @@
 .endif
 
 .if ${cran_ARGS:Mauto-plist}
-.if !target(post-install-script)
-post-install-script:
+_USES_install+=	750:cran-auto-plist
+cran-auto-plist:
 	@${FIND} -ds ${STAGEDIR}${PREFIX}/${R_MOD_DIR} \( -type f -or -type l \) -print | \
 		${SED} -E -e 's,^${STAGEDIR}${PREFIX}/?,,' >> ${TMPPLIST}
 .endif
-.endif
 
 .endif #_INCLUDE_USES_CRAN_MK
Index: Mk/Uses/display.mk
===================================================================
--- Mk/Uses/display.mk
+++ Mk/Uses/display.mk
@@ -26,11 +26,7 @@
 XVFBPIDFILE=	/tmp/.xvfb-${XVFBPORT}.pid
 MAKE_ENV+=	DISPLAY=":${XVFBPORT}"
 
-.PHONY: start-display stop-display
-pre-${display_ARGS}: start-display
-
-post-${display_ARGS}: stop-display
-
+_USES_${display_ARGS}+=	290:start-display 860:stop-display
 start-display:
 	daemon -p ${XVFBPIDFILE} Xvfb :${XVFBPORT}
 
Index: Mk/Uses/dos2unix.mk
===================================================================
--- Mk/Uses/dos2unix.mk
+++ Mk/Uses/dos2unix.mk
@@ -15,6 +15,7 @@
 _DOS2UNIX_ALL=	yes
 .endif
 
+_USES_patch+=	200:dos2unix
 dos2unix:
 	@${ECHO_MSG} "===>   Converting DOS text files to UNIX text files"
 .if defined(_DOS2UNIX_ALL)
Index: Mk/Uses/erlang.mk
===================================================================
--- Mk/Uses/erlang.mk
+++ Mk/Uses/erlang.mk
@@ -65,18 +65,7 @@
 ERLANG_COMPILE=	${REBAR3_CMD}
 .endif
 
-.if !target(post-patch)
-post-patch: post-patch-erlang
-.endif
-
-.if !target(do-build)
-do-build: do-build-erlang
-.endif
-
-.if !target(do-install)
-do-install: do-install-erlang
-.endif
-
+_USES_patch+=	650:post-patch-erlang
 post-patch-erlang:
 	@${FIND} ${WRKSRC} -name .gitignore -delete
 # Attempt to remove all traces of {vsn, ....}; replace with actual PORTVERSION
@@ -99,7 +88,8 @@
 	fi
 	@${RM} -f ${WRKSRC}/src/*.orig ${WRKSRC}/include/*.orig
 
-do-build-erlang:
+.if !target(do-build)
+do-build:
 # This will cause calls to local rebar and rebar3 to fail; makes it easier to spot them
 	@${RM} -f ${WRKSRC}/rebar ${WRKSRC}/rebar3
 .for target in ${REBAR_TARGETS}
@@ -107,8 +97,10 @@
 	@${RM} ${WRKSRC}/rebar.lock
 	@cd ${WRKSRC} && REBAR_PROFILE=${REBAR_PROFILE} ${ERLANG_COMPILE} ${target}
 .endfor
+.endif # !target(do-build)
 
-do-install-erlang:
+.if !target(do-install)
+do-install:
 	@${MKDIR} ${STAGEDIR}${ERL_APP_ROOT}
 	@${MKDIR} ${STAGEDIR}${ERL_APP_ROOT}/src
 	cd ${WRKSRC}/src && ${COPYTREE_SHARE} \* ${STAGEDIR}${ERL_APP_ROOT}/src
@@ -141,5 +133,6 @@
 	@${MKDIR} ${STAGEDIR}${PREFIX}/bin
 	${INSTALL_SCRIPT} ${WRKSRC}/${PORTNAME} ${STAGEDIR}${PREFIX}/bin
 .endif
+.endif # !target(do-install)
 
 .endif #!defined(_INCLUDE_USES_ERLANG_MK)
Index: Mk/Uses/kmod.mk
===================================================================
--- Mk/Uses/kmod.mk
+++ Mk/Uses/kmod.mk
@@ -39,7 +39,7 @@
 .if defined(_POSTMKINCLUDED) && !defined(_INCLUDE_USES_KMOD_POST_MK)
 _INCLUDE_USES_KMOD_POST_MK=	yes
 
-pre-install: ${STAGEDIR}${KMODDIR}
+_USES_install+=	290:${STAGEDIR}${KMODDIR}
 ${STAGEDIR}${KMODDIR}:
 	@${MKDIR} ${.TARGET}
 
Index: Mk/Uses/libtool.mk
===================================================================
--- Mk/Uses/libtool.mk
+++ Mk/Uses/libtool.mk
@@ -25,6 +25,7 @@
 .if defined(_POSTMKINCLUDED) && !defined(_INCLUDE_USES_LIBTOOL_POST_MK)
 _INCLUDE_USES_LIBTOOL_POST_MK=	yes
 
+_USES_configure+=	480:patch-libtool
 patch-libtool:
 	@${FIND} ${WRKDIR} \( -name configure -or -name ltconfig \)	\
 		-type f | while read i; do ${SED} -i.libtool.bak	\
@@ -60,6 +61,7 @@
 		-e '/if.*prog.*linkmode.*relink = .*mode/s/||.*;/;/'	\
 		-e 's/|-p|-pg|/|-B*|-fstack-protector*|-p|-pg|/'
 
+_USES_stage+=	790:patch-lafiles
 patch-lafiles:
 .if ${libtool_ARGS:Mkeepla}
 	@${FIND} ${STAGEDIR} -type f -name '*.la' |			\
Index: Mk/Uses/ncurses.mk
===================================================================
--- Mk/Uses/ncurses.mk
+++ Mk/Uses/ncurses.mk
@@ -39,7 +39,8 @@
 NCURSESINC=	${NCURSESBASE}/include
 
 .  if exists(${LOCALBASE}/lib/libncurses.so)
-check-depends::
+_USES_sanity+=	400:check-depends-ncurses
+check-depends-ncurses::
 	@${ECHO_CMD} "Dependency error: this port wants the ncurses library from the FreeBSD"
 	@${ECHO_CMD} "base system. You can't build against it, while a newer"
 	@${ECHO_CMD} "version is installed by a port."
Index: Mk/Uses/pathfix.mk
===================================================================
--- Mk/Uses/pathfix.mk
+++ Mk/Uses/pathfix.mk
@@ -18,6 +18,7 @@
 
 PATHFIX_MAKEFILEIN?=	Makefile.in
 
+_USES_patch+=	190:pathfix
 pathfix:
 	@${FIND} ${WRKSRC} -name "${PATHFIX_MAKEFILEIN}" -type f | ${XARGS} ${REINPLACE_CMD} -e \
 		's|[(]libdir[)]/locale|(prefix)/share/locale|g ; \
Index: Mk/Uses/perl5.mk
===================================================================
--- Mk/Uses/perl5.mk
+++ Mk/Uses/perl5.mk
@@ -274,6 +274,7 @@
 
 # In all those, don't use - before the command so that the user does
 # not wonder what has been ignored by this message "*** Error code 1 (ignored)"
+_USES_install+=	560:fix-perl-things
 fix-perl-things:
 # Remove STAGEDIR from .packlist and add the file to the plist.
 	@(if [ -d ${STAGEDIR}${PACKLIST_DIR} ] ; then \
Index: Mk/Uses/shebangfix.mk
===================================================================
--- Mk/Uses/shebangfix.mk
+++ Mk/Uses/shebangfix.mk
@@ -60,6 +60,7 @@
 _SHEBANG_REINPLACE_ARGS+=	-e "1s|^\#![[:space:]]*${${lang}_OLD_CMD}|\#!${${lang}_CMD}|"
 .endfor
 
+_USES_patch+=	210:fix-shebang
 fix-shebang:
 	@cd ${WRKSRC}; \
 		${ECHO_CMD} ${SHEBANG_FILES} | ${XARGS} ${SED} -i '' ${_SHEBANG_REINPLACE_ARGS}
Index: Mk/Uses/uniquefiles.mk
===================================================================
--- Mk/Uses/uniquefiles.mk
+++ Mk/Uses/uniquefiles.mk
@@ -101,6 +101,7 @@
 _DO_CONDITIONAL_SYMLINK=	${DO_NADA}
 .endif
 
+_USES_stage+=	775:move-uniquefiles
 move-uniquefiles:
 .if ${UNIQUE_PREFIX_FILES} || ${UNIQUE_FIND_PREFIX_FILES}
 	@${ECHO_MSG} "===> Creating unique files: Move files needing PREFIX";
@@ -166,6 +167,7 @@
 
 # Using .if exists(${_UNIQUEPKGPLIST} below instead of the sh test
 # does not work in poudriere. It works fine on the CLI, though...
+_USES_stage+=	950:move-uniquefiles-plist
 move-uniquefiles-plist:
 	@if [ -e ${_UNIQUEPKGLIST} ]; then \
 		orgIFS=$$IFS; IFS=":"; while read command entry newentry; do \
Index: Mk/Uses/webplugin.mk
===================================================================
--- Mk/Uses/webplugin.mk
+++ Mk/Uses/webplugin.mk
@@ -167,6 +167,7 @@
 .endfor
 .endfor
 
+_USES_install+=	600:webplugin-post-install
 webplugin-post-install:
 .for d in ${_WEBPLUGIN_LINKFARMS}
 	${MKDIR} ${STAGEDIR}${d}
Index: Mk/Uses/zope.mk
===================================================================
--- Mk/Uses/zope.mk
+++ Mk/Uses/zope.mk
@@ -79,7 +79,8 @@
 .if ${ZOPE_VERSION} == ${_ZOPE_PORTBRANCH}
 RUN_DEPENDS+=	zope213>0:${PORTSDIR}/www/zope213
 .else
-check-makevars::
+_USES_sanity+=	300:check-makevars-zope
+check-makevars-zope:
 	@${ECHO} "Makefile error: bad value for ZOPE_VERSION: ${ZOPE_VERSION}."
 	@${ECHO} "Legal values are: ${_ZOPE_PORTBRANCH} (default)"
 	@${FALSE}
Index: Mk/bsd.options.mk
===================================================================
--- Mk/bsd.options.mk
+++ Mk/bsd.options.mk
@@ -135,7 +135,11 @@
 		MAKE_ENV PATCHFILES PATCH_SITES PLIST_DIRS PLIST_DIRSTRY \
 		PLIST_FILES PLIST_SUB SUB_FILES SUB_LIST USES
 _OPTIONS_DEPENDS=	PKG FETCH EXTRACT PATCH BUILD LIB RUN
-_OPTIONS_TARGETS=	fetch extract patch configure build install package stage
+
+# The format here is <target>:<pre-priority>,<post-priority>
+_OPTIONS_TARGETS=	fetch:300,700 extract:300,700 patch:300,700 \
+			configure:300,700 build:300,700 install:300,700 \
+			package:300,700 stage:300,800
 
 # Set the default values for the global options, as defined by portmgr
 .if !defined(NOPORTDOCS)
@@ -411,10 +415,8 @@
 ALL_OPTIONS=	${OPTIONS_DEFINE}
 .endif
 
-.for target in ${_OPTIONS_TARGETS}
-.for prepost in pre post
-_OPTIONS_${prepost}_${target}?=
-.endfor
+.for target in ${_OPTIONS_TARGETS:C/:.*//}
+_OPTIONS_${target}?=
 .endfor
 
 .for opt in ${COMPLETE_OPTIONS_LIST} ${OPTIONS_SLAVE} ${OPTIONS_EXCLUDE_${ARCH}} ${OPTIONS_EXCLUDE}
@@ -471,8 +473,16 @@
 .      endif
 .    endfor
 .    for target in ${_OPTIONS_TARGETS}
-.      for prepost in pre post
-_OPTIONS_${prepost}_${target}+= ${prepost}-${target}-${opt}-on
+_target=	${target:C/:.*//}
+_pre=		${target:C/.*://:C/,.*//}
+_post=		${target:C/.*://:C/.*,//}
+.      for pre_post in pre post
+_full_target=	${pre_post}-${_target}-${opt}-on
+.        if defined(OPTIONS_TARGET_ORDER_OVERRIDE) && ${OPTIONS_TARGET_ORDER_OVERRIDE:M*\:${_full_target}}
+_OPTIONS_${_target}:=	${_OPTIONS_${_target}} ${OPTIONS_TARGET_ORDER_OVERRIDE:M*\:${_full_target}}
+.        else
+_OPTIONS_${_target}:=	${_OPTIONS_${_target}} ${_${pre_post}}:${_full_target}
+.        endif
 .      endfor
 .    endfor
 .  else
@@ -508,8 +518,16 @@
 .      endif
 .    endfor
 .    for target in ${_OPTIONS_TARGETS}
-.      for prepost in pre post
-_OPTIONS_${prepost}_${target}+= ${prepost}-${target}-${opt}-off
+_target=	${target:C/:.*//}
+_pre=		${target:C/.*://:C/,.*//}
+_post=		${target:C/.*://:C/.*,//}
+.      for pre_post in pre post
+_full_target=	${pre_post}-${_target}-${opt}-off
+.        if defined(OPTIONS_TARGET_ORDER_OVERRIDE) && ${OPTIONS_TARGET_ORDER_OVERRIDE:M*\:${_full_target}}
+_OPTIONS_${_target}:=	${_OPTIONS_${_target}} ${OPTIONS_TARGET_ORDER_OVERRIDE:M*\:${_full_target}}
+.        else
+_OPTIONS_${_target}:=	${_OPTIONS_${_target}} ${_${pre_post}}:${_full_target}
+.        endif
 .      endfor
 .    endfor
 .  endif
Index: Mk/bsd.port.mk
===================================================================
--- Mk/bsd.port.mk
+++ Mk/bsd.port.mk
@@ -1426,6 +1426,11 @@
 
 DESTDIRNAME?=	DESTDIR
 
+# setup empty variables for USES targets
+.for target in sanity fetch extract patch configure build install package stage
+_USES_${target}?=
+.endfor
+
 # Loading features
 .for f in ${USES}
 _f:=		${f:C/\:.*//}
@@ -5526,62 +5531,81 @@
 
 # Define the SEQ of actions to take when each target is ran, and which targets
 # it depends on before running its SEQ.
+#
+# Main target has a priority of 500, pre-target 300, post-target 700,
+# target-depends 150.  Other targets are spaced in between those
+#
+# If you change the pre-foo and post-foo values here, go and keep them in sync
+# in _OPTIONS_TARGETS in bsd.options.mk
 
-_SANITY_SEQ=	post-chroot pre-everything check-makefile \
-				show-warnings show-dev-warnings show-dev-errors \
-				check-categories check-makevars check-desktop-entries \
-				check-depends identify-install-conflicts check-deprecated \
-				check-vulnerable check-license check-config buildanyway-message \
-				options-message
+_SANITY_SEQ=	050:post-chroot 100:pre-everything 150:check-makefile \
+				200:show-warnings 210:show-dev-warnings 220:show-dev-errors \
+				250:check-categories 300:check-makevars \
+				350:check-desktop-entries 400:check-depends \
+				450:identify-install-conflicts 500:check-deprecated \
+				550:check-vulnerable 600:check-license 650:check-config \
+				700:buildanyway-message 750:options-message ${_USES_sanity}
 
 _PKG_DEP=		check-sanity
-_PKG_SEQ=		pkg-depends
+_PKG_SEQ=		500:pkg-depends
 _FETCH_DEP=		pkg
-_FETCH_SEQ=		fetch-depends pre-fetch ${_OPTIONS_pre_fetch} pre-fetch-script \
-				do-fetch fetch-specials post-fetch ${_OPTIONS_post_fetch} post-fetch-script
+_FETCH_SEQ=		150:fetch-depends 300:pre-fetch 450:pre-fetch-script \
+				500:do-fetch 550:fetch-specials 700:post-fetch \
+				850:post-fetch-script \
+				${_OPTIONS_fetch} ${_USES_fetch}
 _EXTRACT_DEP=	fetch
-_EXTRACT_SEQ=	check-build-conflicts extract-message checksum extract-depends \
-				clean-wrkdir ${WRKDIR} pre-extract ${_OPTIONS_pre_extract} pre-extract-script do-extract \
-				post-extract ${_OPTIONS_post_extract} post-extract-script
+_EXTRACT_SEQ=	010:check-build-conflicts 050:extract-message 100:checksum \
+				150:extract-depends 190:clean-wrkdir 200:${WRKDIR} \
+				300:pre-extract 450:pre-extract-script 500:do-extract \
+				700:post-extract 850:post-extract-script \
+				${_OPTIONS_extract} ${_USES_extract}
 _PATCH_DEP=		extract
-_PATCH_SEQ=		ask-license patch-message patch-depends pathfix dos2unix fix-shebang \
-				pre-patch ${_OPTIONS_pre_patch} \
-				pre-patch-script do-patch charsetfix-post-patch post-patch ${_OPTIONS_post_patch} post-patch-script
+_PATCH_SEQ=		050:ask-license 100:patch-message 150:patch-depends \
+				300:pre-patch 450:pre-patch-script 500:do-patch \
+				700:post-patch 850:post-patch-script \
+				${_OPTIONS_patch} ${_USES_patch}
 _CONFIGURE_DEP=	patch
-_CONFIGURE_SEQ=	build-depends lib-depends configure-message \
-				pre-configure ${_OPTIONS_pre_configure} pre-configure-script \
-				run-autotools do-autoreconf patch-libtool run-autotools-fixup do-configure \
-				post-configure ${_OPTIONS_post_configure} post-configure-script
+_CONFIGURE_SEQ=	150:build-depends 151:lib-depends 200:configure-message \
+				300:pre-configure 450:pre-configure-script 460:run-autotools \
+				490:run-autotools-fixup 500:do-configure 700:post-configure \
+				850:post-configure-script \
+				${_OPTIONS_configure} ${_USES_configure}
 _BUILD_DEP=		configure
-_BUILD_SEQ=		build-message pre-build ${_OPTIONS_pre_build} pre-build-script do-build \
-				post-build ${_OPTIONS_post_build} post-build-script
-
+_BUILD_SEQ=		100:build-message 300:pre-build 450:pre-build-script \
+				500:do-build 700:post-build 850:post-build-script \
+				${_OPTIONS_build} ${_USES_build}
 _STAGE_DEP=		build
-_STAGE_SEQ=		stage-message stage-dir run-depends lib-depends apply-slist pre-install ${_OPTIONS_pre_install} ${_OPTIONS_pre_stage} generate-plist \
-				pre-su-install
-# ${POST_PLIST} must be after anything that modifies TMPPLIST
-_STAGE_SEQ+=	create-users-groups do-install \
-				kmod-post-install fix-perl-things \
-				webplugin-post-install post-install ${_OPTIONS_post_install} post-install-script \
-				move-uniquefiles patch-lafiles post-stage ${_OPTIONS_post_stage} compress-man \
-				install-rc-script install-ldconfig-file install-license \
-				install-desktop-entries add-plist-info add-plist-docs \
-				add-plist-examples add-plist-data add-plist-post \
-				move-uniquefiles-plist ${POST_PLIST}
+# STAGE is special in its numbering as it has install and stage, so install is
+# the main, and stage goes after.
+_STAGE_SEQ=		050:stage-message 100:stage-dir 150:run-depends \
+				151:lib-depends 200:apply-slist 300:pre-install \
+				400:generate-plist 450:pre-su-install 475:create-users-groups \
+				500:do-install 550:kmod-post-install 700:post-install \
+				750:post-install-script 800:post-stage 850:compress-man \
+				860:install-rc-script 870:install-ldconfig-file \
+				880:install-license 890:install-desktop-entries \
+				900:add-plist-info 910:add-plist-docs 920:add-plist-examples \
+				930:add-plist-data 940:add-plist-post ${POST_PLIST:C/^/990:/} \
+				${_OPTIONS_install} ${_USES_install} \
+				${_OPTIONS_stage} ${_USES_stage}
 .if defined(DEVELOPER)
-_STAGE_SEQ+=	stage-qa
+_STAGE_SEQ+=	995:stage-qa
 .endif
 _INSTALL_DEP=	stage
-_INSTALL_SEQ=	install-message run-depends lib-depends check-already-installed
-_INSTALL_SUSEQ=	fake-pkg security-check
+_INSTALL_SEQ=	100:install-message 150:run-depends 151:lib-depends \
+				200:check-already-installed
+_INSTALL_SUSEQ=	300:fake-pkg 500:security-check
 
 _PACKAGE_DEP=	stage
-_PACKAGE_SEQ=	package-message pre-package ${_OPTIONS_pre_package} pre-package-script do-package ${_OPTIONS_post_package} post-package-script
+_PACKAGE_SEQ=	100:package-message 300:pre-package 450:pre-package-script \
+				500:do-package 850:post-package-script \
+				${_OPTIONS_pre_package:C/^/300:/} \
+				${_OPTIONS_post_package:C/^/700:/} \
+				${_USES_package}
 
 # Enforce order for -jN builds
-
 .for _t in ${_TARGETS_STAGES}
-.  for s in ${_${_t}_SEQ}
+.  for s in ${_${_t}_SEQ:O:C/^[0-9]+://}
 .    if target(${s})
 .      if ! ${NOTPHONY:M${s}}
 _PHONY_TARGETS+= ${s}
@@ -5589,7 +5613,7 @@
 _${_t}_REAL_SEQ+=	${s}
 .    endif
 .  endfor
-.  for s in ${_${_t}_SUSEQ}
+.  for s in ${_${_t}_SUSEQ:O:C/^[0-9]+://}
 .    if target(${s})
 .      if ! ${NOTPHONY:M${s}}
 _PHONY_TARGETS+= ${s}