Index: head/share/mk/bsd.init.mk
===================================================================
--- head/share/mk/bsd.init.mk	(revision 295640)
+++ head/share/mk/bsd.init.mk	(revision 295641)
@@ -1,27 +1,31 @@
 # $FreeBSD$
 
 # The include file <bsd.init.mk> includes <bsd.opts.mk>,
 # ../Makefile.inc and <bsd.own.mk>; this is used at the
 # top of all <bsd.*.mk> files that actually "build something".
 # bsd.opts.mk is included early so Makefile.inc can use the
 # MK_FOO variables.
 
 .if !target(__<bsd.init.mk>__)
 __<bsd.init.mk>__:
 .include <bsd.opts.mk>
 .-include "local.init.mk"
 .if exists(${.CURDIR}/../Makefile.inc)
 .include "${.CURDIR}/../Makefile.inc"
 .endif
 .include <bsd.own.mk>
 .MAIN: all
+beforebuild: .PHONY .NOTMAIN
+.if !defined(_SKIP_BUILD)
+all: beforebuild .WAIT
+.endif
 
 .if ${.MAKE.LEVEL:U1} == 0 && ${BUILD_AT_LEVEL0:Uyes:tl} == "no" && !make(clean*)
 # this tells lib.mk and prog.mk to not actually build anything
 _SKIP_BUILD = not building at level 0
 .endif
 .if ${.MAKE.LEVEL} > 0 && !empty(_SKIP_BUILD)
 .warning ${_SKIP_BUILD}
 .endif
 
 .endif	# !target(__<bsd.init.mk>__)
Index: head/share/mk/bsd.lib.mk
===================================================================
--- head/share/mk/bsd.lib.mk	(revision 295640)
+++ head/share/mk/bsd.lib.mk	(revision 295641)
@@ -1,447 +1,442 @@
 #	from: @(#)bsd.lib.mk	5.26 (Berkeley) 5/2/91
 # $FreeBSD$
 #
 
 .include <bsd.init.mk>
 
 .if defined(LIB_CXX)
 LIB=	${LIB_CXX}
 _LD=	${CXX}
 .else
 _LD=	${CC}
 .endif
 
 LIB_PRIVATE=	${PRIVATELIB:Dprivate}
 # Set up the variables controlling shared libraries.  After this section,
 # SHLIB_NAME will be defined only if we are to create a shared library.
 # SHLIB_LINK will be defined only if we are to create a link to it.
 # INSTALL_PIC_ARCHIVE will be defined only if we are to create a PIC archive.
 .if defined(NO_PIC)
 .undef SHLIB_NAME
 .undef INSTALL_PIC_ARCHIVE
 .else
 .if !defined(SHLIB) && defined(LIB)
 SHLIB=		${LIB}
 .endif
 .if !defined(SHLIB_NAME) && defined(SHLIB) && defined(SHLIB_MAJOR)
 SHLIB_NAME=	lib${LIB_PRIVATE}${SHLIB}.so.${SHLIB_MAJOR}
 .endif
 .if defined(SHLIB_NAME) && !empty(SHLIB_NAME:M*.so.*)
 SHLIB_LINK?=	${SHLIB_NAME:R}
 .endif
 SONAME?=	${SHLIB_NAME}
 .endif
 
 .if defined(CRUNCH_CFLAGS)
 CFLAGS+=	${CRUNCH_CFLAGS}
 .endif
 
 .if ${MK_ASSERT_DEBUG} == "no"
 CFLAGS+= -DNDEBUG
 NO_WERROR=
 .endif
 
 .if defined(DEBUG_FLAGS)
 CFLAGS+= ${DEBUG_FLAGS}
 
 .if ${MK_CTF} != "no" && ${DEBUG_FLAGS:M-g} != ""
 CTFFLAGS+= -g
 .endif
 .else
 STRIP?=	-s
 .endif
 
 .if ${MK_DEBUG_FILES} != "no" && empty(DEBUG_FLAGS:M-g) && \
     empty(DEBUG_FLAGS:M-gdwarf*)
 SHARED_CFLAGS+= -g
 SHARED_CXXFLAGS+= -g
 CTFFLAGS+= -g
 .endif
 
 .include <bsd.libnames.mk>
 
 # prefer .s to a .c, add .po, remove stuff not used in the BSD libraries
 # .So used for PIC object files
 .SUFFIXES:
 .SUFFIXES: .out .o .po .So .S .asm .s .c .cc .cpp .cxx .C .f .y .l .ln
 
 .if !defined(PICFLAG)
 .if ${MACHINE_CPUARCH} == "sparc64"
 PICFLAG=-fPIC
 .else
 PICFLAG=-fpic
 .endif
 .endif
 
 PO_FLAG=-pg
 
 .c.o:
 	${CC} ${STATIC_CFLAGS} ${CFLAGS} -c ${.IMPSRC} -o ${.TARGET}
 	${CTFCONVERT_CMD}
 
 .c.po:
 	${CC} ${PO_FLAG} ${STATIC_CFLAGS} ${PO_CFLAGS} -c ${.IMPSRC} -o ${.TARGET}
 	${CTFCONVERT_CMD}
 
 .c.So:
 	${CC} ${PICFLAG} -DPIC ${SHARED_CFLAGS} ${CFLAGS} -c ${.IMPSRC} -o ${.TARGET}
 	${CTFCONVERT_CMD}
 
 .cc.o .C.o .cpp.o .cxx.o:
 	${CXX} ${STATIC_CXXFLAGS} ${CXXFLAGS} -c ${.IMPSRC} -o ${.TARGET}
 
 .cc.po .C.po .cpp.po .cxx.po:
 	${CXX} ${PO_FLAG} ${STATIC_CXXFLAGS} ${PO_CXXFLAGS} -c ${.IMPSRC} -o ${.TARGET}
 
 .cc.So .C.So .cpp.So .cxx.So:
 	${CXX} ${PICFLAG} -DPIC ${SHARED_CXXFLAGS} ${CXXFLAGS} -c ${.IMPSRC} -o ${.TARGET}
 
 .f.po:
 	${FC} -pg ${FFLAGS} -o ${.TARGET} -c ${.IMPSRC}
 	${CTFCONVERT_CMD}
 
 .f.So:
 	${FC} ${PICFLAG} -DPIC ${FFLAGS} -o ${.TARGET} -c ${.IMPSRC}
 	${CTFCONVERT_CMD}
 
 .s.po .s.So:
 	${AS} ${AFLAGS} -o ${.TARGET} ${.IMPSRC}
 	${CTFCONVERT_CMD}
 
 .asm.po:
 	${CC:N${CCACHE_BIN}} -x assembler-with-cpp -DPROF ${PO_CFLAGS} \
 	    ${ACFLAGS} -c ${.IMPSRC} -o ${.TARGET}
 	${CTFCONVERT_CMD}
 
 .asm.So:
 	${CC:N${CCACHE_BIN}} -x assembler-with-cpp ${PICFLAG} -DPIC \
 	    ${CFLAGS} ${ACFLAGS} -c ${.IMPSRC} -o ${.TARGET}
 	${CTFCONVERT_CMD}
 
 .S.po:
 	${CC:N${CCACHE_BIN}} -DPROF ${PO_CFLAGS} ${ACFLAGS} -c ${.IMPSRC} \
 	    -o ${.TARGET}
 	${CTFCONVERT_CMD}
 
 .S.So:
 	${CC:N${CCACHE_BIN}} ${PICFLAG} -DPIC ${CFLAGS} ${ACFLAGS} \
 	    -c ${.IMPSRC} -o ${.TARGET}
 	${CTFCONVERT_CMD}
 
-.if !defined(_SKIP_BUILD)
-all: beforebuild .WAIT
-beforebuild: objwarn
-.endif
-
 _LIBDIR:=${LIBDIR}
 _SHLIBDIR:=${SHLIBDIR}
 
 .if defined(SHLIB_NAME)
 .if ${MK_DEBUG_FILES} != "no"
 SHLIB_NAME_FULL=${SHLIB_NAME}.full
 # Use ${DEBUGDIR} for base system debug files, else .debug subdirectory
 .if ${_SHLIBDIR} == "/boot" ||\
     ${SHLIBDIR:C%/lib(/.*)?$%/lib%} == "/lib" ||\
     ${SHLIBDIR:C%/usr/(tests/)?lib(32|exec)?(/.*)?%/usr/lib%} == "/usr/lib"
 DEBUGFILEDIR=${DEBUGDIR}${_SHLIBDIR}
 .else
 DEBUGFILEDIR=${_SHLIBDIR}/.debug
 DEBUGMKDIR=
 .endif
 .else
 SHLIB_NAME_FULL=${SHLIB_NAME}
 .endif
 .endif
 
 .include <bsd.symver.mk>
 
 # Allow libraries to specify their own version map or have it
 # automatically generated (see bsd.symver.mk above).
 .if ${MK_SYMVER} == "yes" && !empty(VERSION_MAP)
 ${SHLIB_NAME_FULL}:	${VERSION_MAP}
 LDFLAGS+=	-Wl,--version-script=${VERSION_MAP}
 .endif
 
 .if defined(LIB) && !empty(LIB) || defined(SHLIB_NAME)
 OBJS+=		${SRCS:N*.h:R:S/$/.o/}
 CLEANFILES+=	${OBJS} ${STATICOBJS}
 .endif
 
 .if defined(LIB) && !empty(LIB)
 _LIBS=		lib${LIB_PRIVATE}${LIB}.a
 
 lib${LIB_PRIVATE}${LIB}.a: ${OBJS} ${STATICOBJS}
 	@${ECHO} building static ${LIB} library
 	@rm -f ${.TARGET}
 	${AR} ${ARFLAGS} ${.TARGET} `NM='${NM}' NMFLAGS='${NMFLAGS}' lorder ${OBJS} ${STATICOBJS} | tsort -q` ${ARADD}
 	${RANLIB} ${RANLIBFLAGS} ${.TARGET}
 .endif
 
 .if !defined(INTERNALLIB)
 
 .if ${MK_PROFILE} != "no" && defined(LIB) && !empty(LIB)
 _LIBS+=		lib${LIB_PRIVATE}${LIB}_p.a
 POBJS+=		${OBJS:.o=.po} ${STATICOBJS:.o=.po}
 DEPENDOBJS+=	${POBJS}
 CLEANFILES+=	${POBJS}
 
 lib${LIB_PRIVATE}${LIB}_p.a: ${POBJS}
 	@${ECHO} building profiled ${LIB} library
 	@rm -f ${.TARGET}
 	${AR} ${ARFLAGS} ${.TARGET} `NM='${NM}' NMFLAGS='${NMFLAGS}' lorder ${POBJS} | tsort -q` ${ARADD}
 	${RANLIB} ${RANLIBFLAGS} ${.TARGET}
 .endif
 
 .if defined(SHLIB_NAME) || \
     defined(INSTALL_PIC_ARCHIVE) && defined(LIB) && !empty(LIB)
 SOBJS+=		${OBJS:.o=.So}
 DEPENDOBJS+=	${SOBJS}
 CLEANFILES+=	${SOBJS}
 .endif
 
 .if defined(SHLIB_NAME)
 _LIBS+=		${SHLIB_NAME}
 
 SOLINKOPTS=	-shared -Wl,-x
 .if !defined(ALLOW_SHARED_TEXTREL)
 .if defined(LD_FATAL_WARNINGS) && ${LD_FATAL_WARNINGS} == "no"
 SOLINKOPTS+=	-Wl,--no-fatal-warnings
 .else
 SOLINKOPTS+=	-Wl,--fatal-warnings
 .endif
 SOLINKOPTS+=	-Wl,--warn-shared-textrel
 .endif
 
 .if target(beforelinking)
 beforelinking: ${SOBJS}
 ${SHLIB_NAME_FULL}: beforelinking
 .endif
 
 .if defined(SHLIB_LINK)
 # ${_LDSCRIPTROOT} is needed when cross-building
 # and when building 32 bits library shims.
 #
 # ${_LDSCRIPTROOT} is the directory prefix that will be used when generating
 # ld(1) scripts.  The crosstools' ld is configured to lookup libraries in an
 # alternative directory which is called "sysroot", so during buildworld binaries
 # won't be linked against the running system libraries but against the ones of
 # the current source tree.  ${_LDSCRIPTROOT} behavior is twisted because of
 # the location where we store them:
 # - 64 bits libs are located under sysroot, so ${_LDSCRIPTROOT} must be empty
 #   because ld(1) will manage to find them from sysroot;
 # - 32 bits shims are not, so ${_LDSCRIPTROOT} is used to specify their full
 #   path, outside of sysroot.
 # Note that ld(1) scripts are generated both during buildworld and
 # installworld; in the later case ${_LDSCRIPTROOT} must be obviously empty
 # because on the target system, libraries are meant to be looked up from /.
 .if defined(SHLIB_LDSCRIPT) && !empty(SHLIB_LDSCRIPT) && exists(${.CURDIR}/${SHLIB_LDSCRIPT})
 ${SHLIB_LINK:R}.ld: ${.CURDIR}/${SHLIB_LDSCRIPT}
 	sed -e 's,@@SHLIB@@,${_LDSCRIPTROOT}${_SHLIBDIR}/${SHLIB_NAME},g' \
 	    -e 's,@@LIBDIR@@,${_LDSCRIPTROOT}${_LIBDIR},g' \
 	    -e 's,/[^ ]*/,,g' \
 	    ${.ALLSRC} > ${.TARGET}
 
 ${SHLIB_NAME_FULL}: ${SHLIB_LINK:R}.ld
 CLEANFILES+=	${SHLIB_LINK:R}.ld
 .endif
 CLEANFILES+=	${SHLIB_LINK}
 .endif
 
 ${SHLIB_NAME_FULL}: ${SOBJS}
 	@${ECHO} building shared library ${SHLIB_NAME}
 	@rm -f ${SHLIB_NAME} ${SHLIB_LINK}
 .if defined(SHLIB_LINK) && !commands(${SHLIB_LINK:R}.ld)
 	@${INSTALL_SYMLINK} ${SHLIB_NAME} ${SHLIB_LINK}
 .endif
 	${_LD:N${CCACHE_BIN}} ${LDFLAGS} ${SSP_CFLAGS} ${SOLINKOPTS} \
 	    -o ${.TARGET} -Wl,-soname,${SONAME} \
 	    `NM='${NM}' NMFLAGS='${NMFLAGS}' lorder ${SOBJS} | tsort -q` ${LDADD}
 .if ${MK_CTF} != "no"
 	${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${SOBJS}
 .endif
 
 .if ${MK_DEBUG_FILES} != "no"
 CLEANFILES+=	${SHLIB_NAME_FULL} ${SHLIB_NAME}.debug
 ${SHLIB_NAME}: ${SHLIB_NAME_FULL} ${SHLIB_NAME}.debug
 	${OBJCOPY} --strip-debug --add-gnu-debuglink=${SHLIB_NAME}.debug \
 	    ${SHLIB_NAME_FULL} ${.TARGET}
 
 ${SHLIB_NAME}.debug: ${SHLIB_NAME_FULL}
 	${OBJCOPY} --only-keep-debug ${SHLIB_NAME_FULL} ${.TARGET}
 .endif
 .endif #defined(SHLIB_NAME)
 
 .if defined(INSTALL_PIC_ARCHIVE) && defined(LIB) && !empty(LIB) && ${MK_TOOLCHAIN} != "no"
 _LIBS+=		lib${LIB_PRIVATE}${LIB}_pic.a
 
 lib${LIB_PRIVATE}${LIB}_pic.a: ${SOBJS}
 	@${ECHO} building special pic ${LIB} library
 	@rm -f ${.TARGET}
 	${AR} ${ARFLAGS} ${.TARGET} ${SOBJS} ${ARADD}
 	${RANLIB} ${RANLIBFLAGS} ${.TARGET}
 .endif
 
 .if defined(WANT_LINT) && !defined(NO_LINT) && defined(LIB) && !empty(LIB)
 LINTLIB=	llib-l${LIB}.ln
 _LIBS+=		${LINTLIB}
 LINTOBJS+=	${SRCS:M*.c:.c=.ln}
 CLEANFILES+=	${LINTOBJS}
 
 ${LINTLIB}: ${LINTOBJS}
 	@${ECHO} building lint library ${.TARGET}
 	@rm -f ${.TARGET}
 	${LINT} ${LINTLIBFLAGS} ${CFLAGS:M-[DIU]*} ${.ALLSRC}
 .endif
 
 .endif # !defined(INTERNALLIB)
 
 .if defined(_SKIP_BUILD)
 all:
 .else
 .if defined(_LIBS) && !empty(_LIBS)
 all: ${_LIBS}
 CLEANFILES+=	${_LIBS}
 .endif
 
 .if ${MK_MAN} != "no" && !defined(LIBRARIES_ONLY)
 all: _manpages
 .endif
 .endif
 
 _EXTRADEPEND:
 .if ${MK_FAST_DEPEND} == "no"
 	@TMP=_depend$$$$; \
 	sed -e 's/^\([^\.]*\).o[ ]*:/\1.o \1.po \1.So:/' < ${DEPENDFILE} \
 	    > $$TMP; \
 	mv $$TMP ${DEPENDFILE}
 .endif
 .if !defined(NO_EXTRADEPEND) && defined(SHLIB_NAME)
 .if defined(DPADD) && !empty(DPADD)
 	echo ${SHLIB_NAME_FULL}: ${DPADD} >> ${DEPENDFILE}
 .endif
 .endif
 
 .if !target(install)
 
 .if defined(PRECIOUSLIB)
 .if !defined(NO_FSCHG)
 SHLINSTALLFLAGS+= -fschg
 .endif
 SHLINSTALLFLAGS+= -S
 .endif
 
 _INSTALLFLAGS:=	${INSTALLFLAGS}
 .for ie in ${INSTALLFLAGS_EDIT}
 _INSTALLFLAGS:=	${_INSTALLFLAGS${ie}}
 .endfor
 _SHLINSTALLFLAGS:=	${SHLINSTALLFLAGS}
 .for ie in ${INSTALLFLAGS_EDIT}
 _SHLINSTALLFLAGS:=	${_SHLINSTALLFLAGS${ie}}
 .endfor
 
 .if !defined(INTERNALLIB)
 realinstall: _libinstall
 .ORDER: beforeinstall _libinstall
 _libinstall:
 .if defined(LIB) && !empty(LIB) && ${MK_INSTALLLIB} != "no"
 	${INSTALL} -C -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \
 	    ${_INSTALLFLAGS} lib${LIB_PRIVATE}${LIB}.a ${DESTDIR}${_LIBDIR}/
 .endif
 .if ${MK_PROFILE} != "no" && defined(LIB) && !empty(LIB)
 	${INSTALL} -C -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \
 	    ${_INSTALLFLAGS} lib${LIB_PRIVATE}${LIB}_p.a ${DESTDIR}${_LIBDIR}/
 .endif
 .if defined(SHLIB_NAME)
 	${INSTALL} ${STRIP} -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \
 	    ${_INSTALLFLAGS} ${_SHLINSTALLFLAGS} \
 	    ${SHLIB_NAME} ${DESTDIR}${_SHLIBDIR}/
 .if ${MK_DEBUG_FILES} != "no"
 .if defined(DEBUGMKDIR)
 	${INSTALL} -T debug -d ${DESTDIR}${DEBUGFILEDIR}/
 .endif
 	${INSTALL} -T debug -o ${LIBOWN} -g ${LIBGRP} -m ${DEBUGMODE} \
 	    ${_INSTALLFLAGS} \
 	    ${SHLIB_NAME}.debug ${DESTDIR}${DEBUGFILEDIR}/
 .endif
 .if defined(SHLIB_LINK)
 .if commands(${SHLIB_LINK:R}.ld)
 	${INSTALL} -S -C -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \
 	    ${_INSTALLFLAGS} ${SHLIB_LINK:R}.ld \
 	    ${DESTDIR}${_LIBDIR}/${SHLIB_LINK}
 .for _SHLIB_LINK_LINK in ${SHLIB_LDSCRIPT_LINKS}
 	${INSTALL_SYMLINK} ${SHLIB_LINK} ${DESTDIR}${_LIBDIR}/${_SHLIB_LINK_LINK}
 .endfor
 .else
 .if ${_SHLIBDIR} == ${_LIBDIR}
 	${INSTALL_SYMLINK} ${SHLIB_NAME} ${DESTDIR}${_LIBDIR}/${SHLIB_LINK}
 .else
 	${INSTALL_RSYMLINK} ${DESTDIR}${_SHLIBDIR}/${SHLIB_NAME} \
 	    ${DESTDIR}${_LIBDIR}/${SHLIB_LINK}
 .if exists(${DESTDIR}${_LIBDIR}/${SHLIB_NAME})
 	-chflags noschg ${DESTDIR}${_LIBDIR}/${SHLIB_NAME}
 	rm -f ${DESTDIR}${_LIBDIR}/${SHLIB_NAME}
 .endif
 .endif
 .endif # SHLIB_LDSCRIPT
 .endif # SHLIB_LINK
 .endif # SHIB_NAME
 .if defined(INSTALL_PIC_ARCHIVE) && defined(LIB) && !empty(LIB) && ${MK_TOOLCHAIN} != "no"
 	${INSTALL} -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \
 	    ${_INSTALLFLAGS} lib${LIB}_pic.a ${DESTDIR}${_LIBDIR}/
 .endif
 .if defined(WANT_LINT) && !defined(NO_LINT) && defined(LIB) && !empty(LIB)
 	${INSTALL} -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \
 	    ${_INSTALLFLAGS} ${LINTLIB} ${DESTDIR}${LINTLIBDIR}/
 .endif
 .endif # !defined(INTERNALLIB)
 
 .if !defined(LIBRARIES_ONLY)
 .include <bsd.nls.mk>
 .include <bsd.files.mk>
 .include <bsd.incs.mk>
 .include <bsd.confs.mk>
 .endif
 
 .include <bsd.links.mk>
 
 .if ${MK_MAN} != "no" && !defined(LIBRARIES_ONLY)
 realinstall: _maninstall
 .ORDER: beforeinstall _maninstall
 .endif
 
 .endif
 
 .if !target(lint)
 lint: ${SRCS:M*.c}
 	${LINT} ${LINTFLAGS} ${CFLAGS:M-[DIU]*} ${.ALLSRC}
 .endif
 
 .if ${MK_MAN} != "no" && !defined(LIBRARIES_ONLY)
 .include <bsd.man.mk>
 .endif
 
 .include <bsd.dep.mk>
 
 .if ${MK_FAST_DEPEND} == "yes" || !exists(${.OBJDIR}/${DEPENDFILE})
 .if defined(LIB) && !empty(LIB)
 .if !exists(${.OBJDIR}/${DEPENDFILE})
 ${OBJS} ${STATICOBJS} ${POBJS}: ${SRCS:M*.h}
 .endif
 .for _S in ${SRCS:N*.[hly]}
 ${_S:R}.po: ${_S}
 .endfor
 .endif
 .if defined(SHLIB_NAME) || \
     defined(INSTALL_PIC_ARCHIVE) && defined(LIB) && !empty(LIB)
 .if !exists(${.OBJDIR}/${DEPENDFILE})
 ${SOBJS}: ${SRCS:M*.h}
 .endif
 .for _S in ${SRCS:N*.[hly]}
 ${_S:R}.So: ${_S}
 .endfor
 .endif
 .endif
 
 .include <bsd.obj.mk>
 
 .include <bsd.sys.mk>
Index: head/share/mk/bsd.obj.mk
===================================================================
--- head/share/mk/bsd.obj.mk	(revision 295640)
+++ head/share/mk/bsd.obj.mk	(revision 295641)
@@ -1,210 +1,211 @@
 # $FreeBSD$
 #
 # The include file <bsd.obj.mk> handles creating the 'obj' directory
 # and cleaning up object files, etc.
 #
 # +++ variables +++
 #
 # CLEANDIRS	Additional directories to remove for the clean target.
 #
 # CLEANFILES	Additional files to remove for the clean target.
 #
 # MAKEOBJDIR 	A pathname for the directory where the targets
 #		are built.  Note: MAKEOBJDIR is an *environment* variable
 #		and works properly only if set as an environment variable,
 #		not as a global or command line variable!
 #
 #		E.g. use `env MAKEOBJDIR=temp-obj make'
 #
 # MAKEOBJDIRPREFIX  Specifies somewhere other than /usr/obj to root the object
 #		tree.  Note: MAKEOBJDIRPREFIX is an *environment* variable
 #		and works properly only if set as an environment variable,
 #		not as a global or command line variable!
 #
 #		E.g. use `env MAKEOBJDIRPREFIX=/somewhere/obj make'
 #
 # NO_OBJ	Do not create object directories.  This should not be set
 #		if anything is built.
 #
 # +++ targets +++
 #
 #	clean:
 #		remove ${CLEANFILES}; remove ${CLEANDIRS} and all contents.
 #
 #	cleandir:
 #		remove the build directory (and all its contents) created by obj
 #
 #	obj:
 #		create build directory.
 #
 
 .if !target(__<bsd.obj.mk>__)
 __<bsd.obj.mk>__:
 .include <bsd.own.mk>
 
 .if ${MK_AUTO_OBJ} == "yes"
 # it is done by now
 objwarn:
 obj:
 CANONICALOBJDIR= ${.OBJDIR}
 .if defined(NO_OBJ)
 # but this makefile does not want it!
 .OBJDIR: ${.CURDIR}
 .endif
 .elif defined(MAKEOBJDIRPREFIX)
 CANONICALOBJDIR:=${MAKEOBJDIRPREFIX}${.CURDIR}
 .elif defined(MAKEOBJDIR) && ${MAKEOBJDIR:M/*} != ""
 CANONICALOBJDIR:=${MAKEOBJDIR}
 OBJTOP?= ${MAKEOBJDIR}
 .else
 CANONICALOBJDIR:=/usr/obj${.CURDIR}
 .endif
 
 OBJTOP?= ${.OBJDIR:S,${.CURDIR},,}${SRCTOP}
 
 #
 # Warn of unorthodox object directory.
 #
 # The following directories are tried in order for ${.OBJDIR}:
 #
 # 1.  ${MAKEOBJDIRPREFIX}/`pwd`
 # 2.  ${MAKEOBJDIR}
 # 3.  obj.${MACHINE}
 # 4.  obj
 # 5.  /usr/obj/`pwd`
 # 6.  ${.CURDIR}
 #
 # If ${.OBJDIR} is constructed using canonical cases 1 or 5, or
 # case 2 (using MAKEOBJDIR), don't issue a warning.  Otherwise,
 # issue a warning differentiating between cases 6 and (3 or 4).
 #
 objwarn:
 .if !defined(NO_OBJ) && ${.OBJDIR} != ${CANONICALOBJDIR} && \
     !(defined(MAKEOBJDIRPREFIX) && exists(${CANONICALOBJDIR}/)) && \
     !(defined(MAKEOBJDIR) && exists(${MAKEOBJDIR}/))
 .if ${.OBJDIR} == ${.CURDIR}
 	@${ECHO} "Warning: Object directory not changed from original ${.CURDIR}"
 .elif exists(${.CURDIR}/obj.${MACHINE}/) || exists(${.CURDIR}/obj/)
 	@${ECHO} "Warning: Using ${.OBJDIR} as object directory instead of\
 		canonical ${CANONICALOBJDIR}"
 .endif
 .endif
+beforebuild: objwarn
 
 .if !defined(NO_OBJ)
 .if !target(obj)
 obj: .PHONY
 	@if ! test -d ${CANONICALOBJDIR}/; then \
 		mkdir -p ${CANONICALOBJDIR}; \
 		if ! test -d ${CANONICALOBJDIR}/; then \
 			${ECHO} "Unable to create ${CANONICALOBJDIR}."; \
 			exit 1; \
 		fi; \
 		${ECHO} "${CANONICALOBJDIR} created for ${.CURDIR}"; \
 	fi
 .for dir in ${SRCS:H:O:u}
 	@if ! test -d ${CANONICALOBJDIR}/${dir}/; then \
 		mkdir -p ${CANONICALOBJDIR}/${dir}; \
 		if ! test -d ${CANONICALOBJDIR}/${dir}/; then \
 			${ECHO} "Unable to create ${CANONICALOBJDIR}/${dir}."; \
 			exit 1; \
 		fi; \
 		${ECHO} "${CANONICALOBJDIR}/${dir} created for ${.CURDIR}"; \
 	fi
 .endfor
 .endif
 
 .if !target(objlink)
 objlink:
 	@if test -d ${CANONICALOBJDIR}/; then \
 		rm -f ${.CURDIR}/obj; \
 		ln -s ${CANONICALOBJDIR} ${.CURDIR}/obj; \
 	else \
 		echo "No ${CANONICALOBJDIR} to link to - do a make obj."; \
 	fi
 .endif
 .endif # !defined(NO_OBJ)
 
 #
 # where would that obj directory be?
 #
 .if !target(whereobj)
 whereobj:
 	@echo ${.OBJDIR}
 .endif
 
 .if ${CANONICALOBJDIR} != ${.CURDIR} && exists(${CANONICALOBJDIR}/)
 cleanobj:
 	@-rm -rf ${CANONICALOBJDIR}
 .else
 cleanobj: clean cleandepend
 .endif
 	@if [ -L ${.CURDIR}/obj ]; then rm -f ${.CURDIR}/obj; fi
 
 # Tell bmake not to look for generated files via .PATH
 NOPATH_FILES+=	${CLEANFILES}
 .if !empty(NOPATH_FILES)
 .NOPATH: ${NOPATH_FILES}
 .endif
 
 .if !target(clean)
 clean:
 .if defined(CLEANFILES) && !empty(CLEANFILES)
 	rm -f ${CLEANFILES}
 .endif
 .if defined(CLEANDIRS) && !empty(CLEANDIRS)
 	-rm -rf ${CLEANDIRS}
 .endif
 .endif
 
 cleandir: cleanobj
 
 .include <bsd.subdir.mk>
 
 .if make(destroy*) && defined(OBJROOT)
 # this (rm -rf objdir) is much faster and more reliable than cleaning.
 
 # just in case we are playing games with these...
 _OBJDIR?= ${.OBJDIR}
 _CURDIR?= ${.CURDIR}
 
 # destroy almost everything
 destroy: destroy-all
 destroy-all:
 
 # just remove our objdir
 destroy-arch: .NOMETA
 .if ${_OBJDIR} != ${_CURDIR}
 	cd ${_CURDIR} && rm -rf ${_OBJDIR}
 .endif
 
 .if defined(HOST_OBJTOP)
 destroy-host: destroy.host
 destroy.host: .NOMETA
 	cd ${_CURDIR} && rm -rf ${HOST_OBJTOP}/${RELDIR:N.}
 .endif
 
 .if make(destroy-all) && ${RELDIR} == "."
 destroy-all: destroy-stage
 .endif
 
 # remove the stage tree
 destroy-stage: .NOMETA
 .if defined(STAGE_ROOT)
 	cd ${_CURDIR} && rm -rf ${STAGE_ROOT}
 .endif
 
 # allow parallel destruction
 _destroy_machine_list = common host ${ALL_MACHINE_LIST}
 .for m in ${_destroy_machine_list:O:u}
 destroy-all: destroy.$m
 .if !target(destroy.$m)
 destroy.$m: .NOMETA
 .if ${_OBJDIR} != ${_CURDIR}
 	cd ${_CURDIR} && rm -rf ${OBJROOT}$m*/${RELDIR:N.}
 .endif
 .endif
 .endfor
 
 .endif
 
 .endif # !target(__<bsd.obj.mk>__)
Index: head/share/mk/bsd.prog.mk
===================================================================
--- head/share/mk/bsd.prog.mk	(revision 295640)
+++ head/share/mk/bsd.prog.mk	(revision 295641)
@@ -1,287 +1,286 @@
 #	from: @(#)bsd.prog.mk	5.26 (Berkeley) 6/25/91
 # $FreeBSD$
 
 .include <bsd.init.mk>
 .include <bsd.compiler.mk>
 
 .SUFFIXES: .out .o .c .cc .cpp .cxx .C .m .y .l .ln .s .S .asm
 
 # XXX The use of COPTS in modern makefiles is discouraged.
 .if defined(COPTS)
 CFLAGS+=${COPTS}
 .endif
 
 .if ${MK_ASSERT_DEBUG} == "no"
 CFLAGS+= -DNDEBUG
 NO_WERROR=
 .endif
 
 .if defined(DEBUG_FLAGS)
 CFLAGS+=${DEBUG_FLAGS}
 CXXFLAGS+=${DEBUG_FLAGS}
 
 .if ${MK_CTF} != "no" && ${DEBUG_FLAGS:M-g} != ""
 CTFFLAGS+= -g
 .endif
 .endif
 
 .if defined(PROG_CXX)
 PROG=	${PROG_CXX}
 .endif
 
 .if !empty(LDFLAGS:M-Wl,*--oformat,*) || !empty(LDFLAGS:M-static)
 MK_DEBUG_FILES=	no
 .endif
 
 .if defined(CRUNCH_CFLAGS)
 CFLAGS+=${CRUNCH_CFLAGS}
 .else
 .if ${MK_DEBUG_FILES} != "no" && empty(DEBUG_FLAGS:M-g) && \
     empty(DEBUG_FLAGS:M-gdwarf-*)
 CFLAGS+= -g
 CTFFLAGS+= -g
 .endif
 .endif
 
 .if !defined(DEBUG_FLAGS)
 STRIP?=	-s
 .endif
 
 .if defined(NO_SHARED) && (${NO_SHARED} != "no" && ${NO_SHARED} != "NO")
 LDFLAGS+= -static
 .endif
 
 .if ${MK_DEBUG_FILES} != "no"
 PROG_FULL=${PROG}.full
 # Use ${DEBUGDIR} for base system debug files, else .debug subdirectory
 .if defined(BINDIR) && (\
     ${BINDIR} == "/bin" ||\
     ${BINDIR:C%/libexec(/.*)?%/libexec%} == "/libexec" ||\
     ${BINDIR} == "/sbin" ||\
     ${BINDIR:C%/usr/(bin|bsdinstall|libexec|lpr|sendmail|sm.bin|sbin|tests)(/.*)?%/usr/bin%} == "/usr/bin"\
      )
 DEBUGFILEDIR=	${DEBUGDIR}${BINDIR}
 .else
 DEBUGFILEDIR?=	${BINDIR}/.debug
 DEBUGMKDIR=
 .endif
 .else
 PROG_FULL=	${PROG}
 .endif
 
 .if defined(PROG)
 PROGNAME?=	${PROG}
 
 .if defined(SRCS)
 
 OBJS+=  ${SRCS:N*.h:R:S/$/.o/g}
 
 .if target(beforelinking)
 beforelinking: ${OBJS}
 ${PROG_FULL}: beforelinking
 .endif
 ${PROG_FULL}: ${OBJS}
 .if defined(PROG_CXX)
 	${CXX:N${CCACHE_BIN}} ${CXXFLAGS:N-M*} ${LDFLAGS} -o ${.TARGET} \
 	    ${OBJS} ${LDADD}
 .else
 	${CC:N${CCACHE_BIN}} ${CFLAGS:N-M*} ${LDFLAGS} -o ${.TARGET} ${OBJS} \
 	    ${LDADD}
 .endif
 .if ${MK_CTF} != "no"
 	${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${OBJS}
 .endif
 
 .else	# !defined(SRCS)
 
 .if !target(${PROG})
 .if defined(PROG_CXX)
 SRCS=	${PROG}.cc
 .else
 SRCS=	${PROG}.c
 .endif
 
 # Always make an intermediate object file because:
 # - it saves time rebuilding when only the library has changed
 # - the name of the object gets put into the executable symbol table instead of
 #   the name of a variable temporary object.
 # - it's useful to keep objects around for crunching.
 OBJS+=	${PROG}.o
 
 .if target(beforelinking)
 beforelinking: ${OBJS}
 ${PROG_FULL}: beforelinking
 .endif
 ${PROG_FULL}: ${OBJS}
 .if defined(PROG_CXX)
 	${CXX:N${CCACHE_BIN}} ${CXXFLAGS:N-M*} ${LDFLAGS} -o ${.TARGET} \
 	    ${OBJS} ${LDADD}
 .else
 	${CC:N${CCACHE_BIN}} ${CFLAGS:N-M*} ${LDFLAGS} -o ${.TARGET} ${OBJS} \
 	    ${LDADD}
 .endif
 .if ${MK_CTF} != "no"
 	${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${OBJS}
 .endif
 .endif # !target(${PROG})
 
 .endif # !defined(SRCS)
 
 .if ${MK_DEBUG_FILES} != "no"
 ${PROG}: ${PROG_FULL} ${PROGNAME}.debug
 	${OBJCOPY} --strip-debug --add-gnu-debuglink=${PROGNAME}.debug \
 	    ${PROG_FULL} ${.TARGET}
 
 ${PROGNAME}.debug: ${PROG_FULL}
 	${OBJCOPY} --only-keep-debug ${PROG_FULL} ${.TARGET}
 .endif
 
 .if	${MK_MAN} != "no" && !defined(MAN) && \
 	!defined(MAN1) && !defined(MAN2) && !defined(MAN3) && \
 	!defined(MAN4) && !defined(MAN5) && !defined(MAN6) && \
 	!defined(MAN7) && !defined(MAN8) && !defined(MAN9)
 MAN=	${PROG}.1
 MAN1=	${MAN}
 .endif
 .endif # defined(PROG)
 
 .if defined(_SKIP_BUILD)
 all:
 .else
-all: beforebuild .WAIT ${PROG} ${SCRIPTS}
-beforebuild: objwarn
+all: ${PROG} ${SCRIPTS}
 .if ${MK_MAN} != "no"
 all: _manpages
 .endif
 .endif
 
 .if defined(PROG)
 CLEANFILES+= ${PROG}
 .if ${MK_DEBUG_FILES} != "no"
 CLEANFILES+=	${PROG_FULL} ${PROGNAME}.debug
 .endif
 .endif
 
 .if defined(OBJS)
 CLEANFILES+= ${OBJS}
 .endif
 
 .include <bsd.libnames.mk>
 
 .if defined(PROG)
 _EXTRADEPEND:
 .if defined(LDFLAGS) && !empty(LDFLAGS:M-nostdlib)
 .if defined(DPADD) && !empty(DPADD)
 	echo ${PROG_FULL}: ${DPADD} >> ${DEPENDFILE}
 .endif
 .else
 	echo ${PROG_FULL}: ${LIBC} ${DPADD} >> ${DEPENDFILE}
 .if defined(PROG_CXX)
 .if ${COMPILER_TYPE} == "clang" && empty(CXXFLAGS:M-stdlib=libstdc++)
 	echo ${PROG_FULL}: ${LIBCPLUSPLUS} >> ${DEPENDFILE}
 .else
 	echo ${PROG_FULL}: ${LIBSTDCPLUSPLUS} >> ${DEPENDFILE}
 .endif
 .endif
 .endif
 .endif
 
 .if !target(install)
 
 .if defined(PRECIOUSPROG)
 .if !defined(NO_FSCHG)
 INSTALLFLAGS+= -fschg
 .endif
 INSTALLFLAGS+= -S
 .endif
 
 _INSTALLFLAGS:=	${INSTALLFLAGS}
 .for ie in ${INSTALLFLAGS_EDIT}
 _INSTALLFLAGS:=	${_INSTALLFLAGS${ie}}
 .endfor
 
 .if !target(realinstall) && !defined(INTERNALPROG)
 realinstall: _proginstall
 .ORDER: beforeinstall _proginstall
 _proginstall:
 .if defined(PROG)
 	${INSTALL} ${STRIP} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \
 	    ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${BINDIR}/${PROGNAME}
 .if ${MK_DEBUG_FILES} != "no"
 .if defined(DEBUGMKDIR)
 	${INSTALL} -T debug -d ${DESTDIR}${DEBUGFILEDIR}/
 .endif
 	${INSTALL} -T debug -o ${BINOWN} -g ${BINGRP} -m ${DEBUGMODE} \
 	    ${PROGNAME}.debug ${DESTDIR}${DEBUGFILEDIR}/${PROGNAME}.debug
 .endif
 .endif
 .endif	# !target(realinstall)
 
 .if defined(SCRIPTS) && !empty(SCRIPTS)
 realinstall: _scriptsinstall
 .ORDER: beforeinstall _scriptsinstall
 
 SCRIPTSDIR?=	${BINDIR}
 SCRIPTSOWN?=	${BINOWN}
 SCRIPTSGRP?=	${BINGRP}
 SCRIPTSMODE?=	${BINMODE}
 
 STAGE_AS_SETS+= scripts
 stage_as.scripts: ${SCRIPTS}
 FLAGS.stage_as.scripts= -m ${SCRIPTSMODE}
 STAGE_FILES_DIR.scripts= ${STAGE_OBJTOP}
 .for script in ${SCRIPTS}
 .if defined(SCRIPTSNAME)
 SCRIPTSNAME_${script:T}?=	${SCRIPTSNAME}
 .else
 SCRIPTSNAME_${script:T}?=	${script:T:R}
 .endif
 SCRIPTSDIR_${script:T}?=	${SCRIPTSDIR}
 SCRIPTSOWN_${script:T}?=	${SCRIPTSOWN}
 SCRIPTSGRP_${script:T}?=	${SCRIPTSGRP}
 SCRIPTSMODE_${script:T}?=	${SCRIPTSMODE}
 STAGE_AS_${script:T}=		${SCRIPTSDIR_${script:T}}/${SCRIPTSNAME_${script:T}}
 _scriptsinstall: _SCRIPTSINS_${script:T}
 _SCRIPTSINS_${script:T}: ${script}
 	${INSTALL} -o ${SCRIPTSOWN_${.ALLSRC:T}} \
 	    -g ${SCRIPTSGRP_${.ALLSRC:T}} -m ${SCRIPTSMODE_${.ALLSRC:T}} \
 	    ${.ALLSRC} \
 	    ${DESTDIR}${SCRIPTSDIR_${.ALLSRC:T}}/${SCRIPTSNAME_${.ALLSRC:T}}
 .endfor
 .endif
 
 NLSNAME?=	${PROG}
 .include <bsd.nls.mk>
 
 .include <bsd.confs.mk>
 .include <bsd.files.mk>
 .include <bsd.incs.mk>
 .include <bsd.links.mk>
 
 .if ${MK_MAN} != "no"
 realinstall: _maninstall
 .ORDER: beforeinstall _maninstall
 .endif
 
 .endif	# !target(install)
 
 .if !target(lint)
 lint: ${SRCS:M*.c}
 .if defined(PROG)
 	${LINT} ${LINTFLAGS} ${CFLAGS:M-[DIU]*} ${.ALLSRC}
 .endif
 .endif
 
 .if ${MK_MAN} != "no"
 .include <bsd.man.mk>
 .endif
 
 .include <bsd.dep.mk>
 
 .if defined(PROG) && !exists(${.OBJDIR}/${DEPENDFILE})
 ${OBJS}: ${SRCS:M*.h}
 .endif
 
 .include <bsd.obj.mk>
 
 .include <bsd.sys.mk>
Index: head/sys/conf/kmod.mk
===================================================================
--- head/sys/conf/kmod.mk	(revision 295640)
+++ head/sys/conf/kmod.mk	(revision 295641)
@@ -1,466 +1,465 @@
 #	From: @(#)bsd.prog.mk	5.26 (Berkeley) 6/25/91
 # $FreeBSD$
 #
 # The include file <bsd.kmod.mk> handles building and installing loadable
 # kernel modules.
 #
 #
 # +++ variables +++
 #
 # CLEANFILES	Additional files to remove for the clean and cleandir targets.
 #
 # EXPORT_SYMS	A list of symbols that should be exported from the module,
 #		or the name of a file containing a list of symbols, or YES
 #		to export all symbols.  If not defined, no symbols are
 #		exported.
 #
 # KMOD		The name of the kernel module to build.
 #
 # KMODDIR	Base path for kernel modules (see kld(4)). [/boot/kernel]
 #
 # KMODOWN	Module file owner. [${BINOWN}]
 #
 # KMODGRP	Module file group. [${BINGRP}]
 #
 # KMODMODE	Module file mode. [${BINMODE}]
 #
 # KMODLOAD	Command to load a kernel module [/sbin/kldload]
 #
 # KMODUNLOAD	Command to unload a kernel module [/sbin/kldunload]
 #
 # KMODISLOADED	Command to check whether a kernel module is
 #		loaded [/sbin/kldstat -q -n]
 #
 # PROG		The name of the kernel module to build.
 #		If not supplied, ${KMOD}.ko is used.
 #
 # SRCS		List of source files.
 #
 # FIRMWS	List of firmware images in format filename:shortname:version
 #
 # FIRMWARE_LICENSE
 #		Set to the name of the license the user has to agree on in
 #		order to use this firmware. See /usr/share/doc/legal
 #
 # DESTDIR	The tree where the module gets installed. [not set]
 #
 # +++ targets +++
 #
 # 	install:
 #               install the kernel module; if the Makefile
 #               does not itself define the target install, the targets
 #               beforeinstall and afterinstall may also be used to cause
 #               actions immediately before and after the install target
 #		is executed.
 #
 # 	load:
 #		Load a module.
 #
 # 	unload:
 #		Unload a module.
 #
 #	reload:
 #		Unload if loaded, then load.
 #
 
 AWK?=		awk
 KMODLOAD?=	/sbin/kldload
 KMODUNLOAD?=	/sbin/kldunload
 KMODISLOADED?=	/sbin/kldstat -q -n
 OBJCOPY?=	objcopy
 
 .include <bsd.init.mk>
 # Grab all the options for a kernel build. For backwards compat, we need to
 # do this after bsd.own.mk.
 .include "kern.opts.mk"
 .include <bsd.compiler.mk>
 .include "config.mk"
 
 .SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S .m
 
 # amd64 and mips use direct linking for kmod, all others use shared binaries
 .if ${MACHINE_CPUARCH} != amd64 && ${MACHINE_CPUARCH} != mips
 __KLD_SHARED=yes
 .else
 __KLD_SHARED=no
 .endif
 
 .if !empty(CFLAGS:M-O[23s]) && empty(CFLAGS:M-fno-strict-aliasing)
 CFLAGS+=	-fno-strict-aliasing
 .endif
 WERROR?=	-Werror
 CFLAGS+=	${WERROR}
 CFLAGS+=	-D_KERNEL
 CFLAGS+=	-DKLD_MODULE
 
 # Don't use any standard or source-relative include directories.
 NOSTDINC=	-nostdinc
 CFLAGS:=	${CFLAGS:N-I*} ${NOSTDINC} ${INCLMAGIC} ${CFLAGS:M-I*}
 .if defined(KERNBUILDDIR)
 CFLAGS+=	-DHAVE_KERNEL_OPTION_HEADERS -include ${KERNBUILDDIR}/opt_global.h
 .endif
 
 # Add -I paths for system headers.  Individual module makefiles don't
 # need any -I paths for this.  Similar defaults for .PATH can't be
 # set because there are no standard paths for non-headers.
 CFLAGS+=	-I. -I${SYSDIR}
 
 CFLAGS.gcc+=	-finline-limit=${INLINE_LIMIT}
 CFLAGS.gcc+=	-fms-extensions
 CFLAGS.gcc+= --param inline-unit-growth=100
 CFLAGS.gcc+= --param large-function-growth=1000
 
 # Disallow common variables, and if we end up with commons from
 # somewhere unexpected, allocate storage for them in the module itself.
 CFLAGS+=	-fno-common
 LDFLAGS+=	-d -warn-common
 
 CFLAGS+=	${DEBUG_FLAGS}
 .if ${MACHINE_CPUARCH} == amd64
 CFLAGS+=	-fno-omit-frame-pointer -mno-omit-leaf-frame-pointer
 .endif
 
 .if ${MACHINE_CPUARCH} == "aarch64"
 CFLAGS+=	-fPIC
 .endif
 
 # Temporary workaround for PR 196407, which contains the fascinating details.
 # Don't allow clang to use fpu instructions or registers in kernel modules.
 .if ${MACHINE_CPUARCH} == arm
 CFLAGS.clang+=	-mllvm -arm-use-movt=0
 CFLAGS.clang+=	-mfpu=none
 CFLAGS+=	-funwind-tables
 .endif
 
 .if ${MACHINE_CPUARCH} == powerpc
 CFLAGS+=	-mlongcall -fno-omit-frame-pointer
 .endif
 
 .if ${MACHINE_CPUARCH} == mips
 CFLAGS+=	-G0 -fno-pic -mno-abicalls -mlong-calls
 .endif
 
 .if defined(DEBUG) || defined(DEBUG_FLAGS)
 CTFFLAGS+=	-g
 .endif
 
 .if defined(FIRMWS)
 ${KMOD:S/$/.c/}: ${SYSDIR}/tools/fw_stub.awk
 	${AWK} -f ${SYSDIR}/tools/fw_stub.awk ${FIRMWS} -m${KMOD} -c${KMOD:S/$/.c/g} \
 	    ${FIRMWARE_LICENSE:C/.+/-l/}${FIRMWARE_LICENSE}
 
 SRCS+=	${KMOD:S/$/.c/}
 CLEANFILES+=	${KMOD:S/$/.c/}
 
 .for _firmw in ${FIRMWS}
 ${_firmw:C/\:.*$/.fwo/}:	${_firmw:C/\:.*$//}
 	@${ECHO} ${_firmw:C/\:.*$//} ${.ALLSRC:M*${_firmw:C/\:.*$//}}
 	@if [ -e ${_firmw:C/\:.*$//} ]; then			\
 		${LD} -b binary --no-warn-mismatch ${_LDFLAGS}	\
 		    -r -d -o ${.TARGET}	${_firmw:C/\:.*$//};	\
 	else							\
 		ln -s ${.ALLSRC:M*${_firmw:C/\:.*$//}} ${_firmw:C/\:.*$//}; \
 		${LD} -b binary --no-warn-mismatch ${_LDFLAGS}	\
 		    -r -d -o ${.TARGET}	${_firmw:C/\:.*$//};	\
 		rm ${_firmw:C/\:.*$//};				\
 	fi
 
 OBJS+=	${_firmw:C/\:.*$/.fwo/}
 .endfor
 .endif
 
 # Conditionally include SRCS based on kernel config options.
 .for _o in ${KERN_OPTS}
 SRCS+=${SRCS.${_o}}
 .endfor
 
 OBJS+=	${SRCS:N*.h:R:S/$/.o/g}
 
 .if !defined(PROG)
 PROG=	${KMOD}.ko
 .endif
 
 .if !defined(DEBUG_FLAGS)
 FULLPROG=	${PROG}
 .else
 FULLPROG=	${PROG}.full
 ${PROG}: ${FULLPROG} ${PROG}.debug
 	${OBJCOPY} --strip-debug --add-gnu-debuglink=${PROG}.debug \
 	    ${FULLPROG} ${.TARGET}
 ${PROG}.debug: ${FULLPROG}
 	${OBJCOPY} --only-keep-debug ${FULLPROG} ${.TARGET}
 .endif
 
 .if ${__KLD_SHARED} == yes
 ${FULLPROG}: ${KMOD}.kld
 .if ${MACHINE_CPUARCH} != "aarch64"
 	${LD} -Bshareable ${_LDFLAGS} -o ${.TARGET} ${KMOD}.kld
 .else
 #XXXKIB Relocatable linking in aarch64 ld from binutils 2.25.1 does
 #       not work.  The linker corrupts the references to the external
 #       symbols which are defined by other object in the linking set
 #       and should therefore loose the GOT entry.  The problem seems
 #       to be fixed in the binutils-gdb git HEAD as of 2015-10-04.  Hack
 #       below allows to get partially functioning modules for now.
 	${LD} -Bshareable ${_LDFLAGS} -o ${.TARGET} ${OBJS}
 .endif
 .if !defined(DEBUG_FLAGS)
 	${OBJCOPY} --strip-debug ${.TARGET}
 .endif
 .endif
 
 EXPORT_SYMS?=	NO
 .if ${EXPORT_SYMS} != YES
 CLEANFILES+=	export_syms
 .endif
 
 .if ${__KLD_SHARED} == yes
 ${KMOD}.kld: ${OBJS}
 .else
 ${FULLPROG}: ${OBJS}
 .endif
 	${LD} ${_LDFLAGS} -r -d -o ${.TARGET} ${OBJS}
 .if ${MK_CTF} != "no"
 	${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${OBJS}
 .endif
 .if defined(EXPORT_SYMS)
 .if ${EXPORT_SYMS} != YES
 .if ${EXPORT_SYMS} == NO
 	:> export_syms
 .elif !exists(${.CURDIR}/${EXPORT_SYMS})
 	echo ${EXPORT_SYMS} > export_syms
 .else
 	grep -v '^#' < ${EXPORT_SYMS} > export_syms
 .endif
 	${AWK} -f ${SYSDIR}/conf/kmod_syms.awk ${.TARGET} \
 	    export_syms | xargs -J% ${OBJCOPY} % ${.TARGET}
 .endif
 .endif
 .if !defined(DEBUG_FLAGS) && ${__KLD_SHARED} == no
 	${OBJCOPY} --strip-debug ${.TARGET}
 .endif
 
 _ILINKS=machine
 .if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64"
 _ILINKS+=${MACHINE_CPUARCH}
 .endif
 .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
 _ILINKS+=x86
 .endif
 CLEANFILES+=${_ILINKS}
 
-all: beforebuild .WAIT ${PROG}
-beforebuild: objwarn
+all: ${PROG}
 
 beforedepend: ${_ILINKS}
 beforebuild: ${_ILINKS}
 
 # Ensure that the links exist without depending on it when it exists which
 # causes all the modules to be rebuilt when the directory pointed to changes.
 .for _link in ${_ILINKS}
 .if !exists(${.OBJDIR}/${_link})
 ${OBJS}: ${_link}
 .endif
 .endfor
 
 # Search for kernel source tree in standard places.
 .for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. /sys /usr/src/sys
 .if !defined(SYSDIR) && exists(${_dir}/kern/)
 SYSDIR=	${_dir}
 .endif
 .endfor
 .if !defined(SYSDIR) || !exists(${SYSDIR}/kern/)
 .error "can't find kernel source tree"
 .endif
 
 .NOPATH: ${_ILINKS}
 
 ${_ILINKS}:
 	@case ${.TARGET} in \
 	machine) \
 		path=${SYSDIR}/${MACHINE}/include ;; \
 	*) \
 		path=${SYSDIR}/${.TARGET:T}/include ;; \
 	esac ; \
 	path=`(cd $$path && /bin/pwd)` ; \
 	${ECHO} ${.TARGET:T} "->" $$path ; \
 	ln -sf $$path ${.TARGET:T}
 
 CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS}
 
 .if defined(DEBUG_FLAGS)
 CLEANFILES+= ${FULLPROG} ${PROG}.debug
 .endif
 
 .if !target(install)
 
 _INSTALLFLAGS:=	${INSTALLFLAGS}
 .for ie in ${INSTALLFLAGS_EDIT}
 _INSTALLFLAGS:=	${_INSTALLFLAGS${ie}}
 .endfor
 
 .if !target(realinstall)
 KERN_DEBUGDIR?=	${DEBUGDIR}
 realinstall: _kmodinstall
 .ORDER: beforeinstall _kmodinstall
 _kmodinstall:
 	${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
 	    ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR}/
 .if defined(DEBUG_FLAGS) && !defined(INSTALL_NODEBUG) && ${MK_KERNEL_SYMBOLS} != "no"
 	${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
 	    ${_INSTALLFLAGS} ${PROG}.debug ${DESTDIR}${KERN_DEBUGDIR}${KMODDIR}/
 .endif
 
 .include <bsd.links.mk>
 
 .if !defined(NO_XREF)
 afterinstall: _kldxref
 .ORDER: realinstall _kldxref
 .ORDER: _installlinks _kldxref
 _kldxref:
 	@if type kldxref >/dev/null 2>&1; then \
 		${ECHO} kldxref ${DESTDIR}${KMODDIR}; \
 		kldxref ${DESTDIR}${KMODDIR}; \
 	fi
 .endif
 .endif # !target(realinstall)
 
 .endif # !target(install)
 
 .if !target(load)
 load: ${PROG}
 	${KMODLOAD} -v ${.OBJDIR}/${PROG}
 .endif
 
 .if !target(unload)
 unload:
 	if ${KMODISLOADED} ${PROG} ; then ${KMODUNLOAD} -v ${PROG} ; fi
 .endif
 
 .if !target(reload)
 reload: unload load
 .endif
 
 .if defined(KERNBUILDDIR)
 .PATH: ${KERNBUILDDIR}
 CFLAGS+=	-I${KERNBUILDDIR}
 .for _src in ${SRCS:Mopt_*.h}
 CLEANFILES+=	${_src}
 .if !target(${_src})
 ${_src}:
 	ln -sf ${KERNBUILDDIR}/${_src} ${.TARGET}
 .endif
 .endfor
 .else
 .for _src in ${SRCS:Mopt_*.h}
 CLEANFILES+=	${_src}
 .if !target(${_src})
 ${_src}:
 	:> ${.TARGET}
 .endif
 .endfor
 .endif
 
 # Respect configuration-specific C flags.
 CFLAGS+=	${CONF_CFLAGS}
 
 .if !empty(SRCS:Mvnode_if.c)
 CLEANFILES+=	vnode_if.c
 vnode_if.c: ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src
 	${AWK} -f ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src -c
 .endif
 
 .if !empty(SRCS:Mvnode_if.h)
 CLEANFILES+=	vnode_if.h vnode_if_newproto.h vnode_if_typedef.h
 vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: ${SYSDIR}/tools/vnode_if.awk \
     ${SYSDIR}/kern/vnode_if.src
 vnode_if.h: vnode_if_newproto.h vnode_if_typedef.h
 	${AWK} -f ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src -h
 vnode_if_newproto.h:
 	${AWK} -f ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src -p
 vnode_if_typedef.h:
 	${AWK} -f ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src -q
 .endif
 
 # Build _if.[ch] from _if.m, and clean them when we're done.
 # This is duplicated in sys/modules/Makefile.
 .if !defined(__MPATH)
 __MPATH!=find ${SYSDIR:tA}/ -name \*_if.m
 .export __MPATH
 .endif
 _MFILES=${__MPATH:T:O}
 _MPATH=${__MPATH:H:O:u}
 .PATH.m: ${_MPATH}
 .for _i in ${SRCS:M*_if.[ch]}
 _MATCH=M${_i:R:S/$/.m/}
 _MATCHES=${_MFILES:${_MATCH}}
 .if !empty(_MATCHES)
 CLEANFILES+=	${_i}
 .endif
 .endfor # _i
 .m.c:	${SYSDIR}/tools/makeobjops.awk
 	${AWK} -f ${SYSDIR}/tools/makeobjops.awk ${.IMPSRC} -c
 
 .m.h:	${SYSDIR}/tools/makeobjops.awk
 	${AWK} -f ${SYSDIR}/tools/makeobjops.awk ${.IMPSRC} -h
 
 .for _i in mii pccard
 .if !empty(SRCS:M${_i}devs.h)
 CLEANFILES+=	${_i}devs.h
 ${_i}devs.h: ${SYSDIR}/tools/${_i}devs2h.awk ${SYSDIR}/dev/${_i}/${_i}devs
 	${AWK} -f ${SYSDIR}/tools/${_i}devs2h.awk ${SYSDIR}/dev/${_i}/${_i}devs
 .endif
 .endfor # _i
 
 .if !empty(SRCS:Musbdevs.h)
 CLEANFILES+=	usbdevs.h
 usbdevs.h: ${SYSDIR}/tools/usbdevs2h.awk ${SYSDIR}/dev/usb/usbdevs
 	${AWK} -f ${SYSDIR}/tools/usbdevs2h.awk ${SYSDIR}/dev/usb/usbdevs -h
 .endif
 
 .if !empty(SRCS:Musbdevs_data.h)
 CLEANFILES+=	usbdevs_data.h
 usbdevs_data.h: ${SYSDIR}/tools/usbdevs2h.awk ${SYSDIR}/dev/usb/usbdevs
 	${AWK} -f ${SYSDIR}/tools/usbdevs2h.awk ${SYSDIR}/dev/usb/usbdevs -d
 .endif
 
 .if !empty(SRCS:Macpi_quirks.h)
 CLEANFILES+=	acpi_quirks.h
 acpi_quirks.h: ${SYSDIR}/tools/acpi_quirks2h.awk ${SYSDIR}/dev/acpica/acpi_quirks
 	${AWK} -f ${SYSDIR}/tools/acpi_quirks2h.awk ${SYSDIR}/dev/acpica/acpi_quirks
 .endif
 
 .if !empty(SRCS:Massym.s)
 CLEANFILES+=	assym.s genassym.o
 assym.s: genassym.o
 .if defined(KERNBUILDDIR)
 genassym.o: opt_global.h
 .endif
 assym.s: ${SYSDIR}/kern/genassym.sh
 	sh ${SYSDIR}/kern/genassym.sh genassym.o > ${.TARGET}
 genassym.o: ${SYSDIR}/${MACHINE}/${MACHINE}/genassym.c
 genassym.o: ${SRCS:Mopt_*.h}
 	${CC} -c ${CFLAGS:N-fno-common} \
 	    ${SYSDIR}/${MACHINE}/${MACHINE}/genassym.c
 .endif
 
 lint: ${SRCS}
 	${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC:M*.c}
 
 .if defined(KERNBUILDDIR)
 ${OBJS}: opt_global.h
 .endif
 
 .include <bsd.dep.mk>
 
 cleandepend: cleanilinks
 # .depend needs include links so we remove them only together.
 cleanilinks:
 	rm -f ${_ILINKS}
 
 .if !exists(${.OBJDIR}/${DEPENDFILE})
 ${OBJS}: ${SRCS:M*.h}
 .endif
 
 .include <bsd.obj.mk>
 .include "kern.mk"