54ff5d7323
all the SUBDIR entries in parallel, instead of serially. Apply this
option to a selected number of Makefiles, which can greatly speed up the
build on multi-core machines, when using make -j.
This can be extended to more Makefiles later on, whenever they are
verified to work correctly with parallel building.
I tested this on a 24-core machine, with make -j48 buildworld (N = 6):
before stddev after stddev
======= ====== ======= ======
real time 1741.1 16.5 959.8 2.7
user time 12468.7 16.4 14393.0 16.8
sys time 1825.0 54.8 2110.6 22.8
(user+sys)/real 8.2 17.1
E.g. the build was approximately 45% faster in real time. On machines
with less cores, or with lower -j settings, the speedup will not be as
impressive. But at least you can now almost max out a machine with
buildworld!
Submitted by: jilles
MFC after: 2 weeks
326 lines
4.2 KiB
Makefile
326 lines
4.2 KiB
Makefile
# From: @(#)Makefile 5.20 (Berkeley) 6/12/93
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# $FreeBSD$
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.include <bsd.own.mk>
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SUBDIR= adduser \
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arp \
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bootparamd \
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bsdconfig \
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bsdinstall \
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cdcontrol \
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chkgrp \
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chown \
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chroot \
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ckdist \
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clear_locks \
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crashinfo \
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cron \
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ctladm \
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ctld \
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daemon \
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dconschat \
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devinfo \
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digictl \
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diskinfo \
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dumpcis \
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etcupdate \
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extattr \
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extattrctl \
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fifolog \
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fwcontrol \
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getfmac \
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getpmac \
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gstat \
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i2c \
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ifmcstat \
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inetd \
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iostat \
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iscsid \
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kldxref \
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mailwrapper \
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makefs \
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memcontrol \
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mergemaster \
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mfiutil \
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mixer \
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mlxcontrol \
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mountd \
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mptutil \
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mtest \
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${_mtree} \
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newsyslog \
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nfscbd \
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nfsd \
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nfsdumpstate \
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nfsrevoke \
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nfsuserd \
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nmtree \
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nologin \
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${_pc_sysinstall} \
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pciconf \
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periodic \
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powerd \
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procctl \
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pstat \
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pw \
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pwd_mkdb \
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quot \
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rarpd \
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rmt \
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rpcbind \
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rpc.lockd \
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rpc.statd \
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rpc.umntall \
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rtprio \
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service \
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services_mkdb \
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setfib \
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setfmac \
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setpmac \
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smbmsg \
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snapinfo \
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spray \
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syslogd \
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sysrc \
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tcpdchk \
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tcpdmatch \
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tcpdrop \
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tcpdump \
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timed \
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traceroute \
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trpt \
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tzsetup \
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ugidfw \
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vipw \
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wake \
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watch \
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watchdogd \
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zic
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# NB: keep these sorted by MK_* knobs
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.if ${MK_ACCT} != "no"
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SUBDIR+= accton
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SUBDIR+= sa
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.endif
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.if ${MK_AMD} != "no"
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SUBDIR+= amd
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.endif
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.if ${MK_AUDIT} != "no"
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SUBDIR+= audit
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SUBDIR+= auditd
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.if ${MK_OPENSSL} != "no"
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SUBDIR+= auditdistd
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.endif
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SUBDIR+= auditreduce
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SUBDIR+= praudit
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.endif
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.if ${MK_AUTHPF} != "no"
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SUBDIR+= authpf
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.endif
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.if ${MK_BLUETOOTH} != "no"
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SUBDIR+= bluetooth
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.endif
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.if ${MK_BSNMP} != "no"
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SUBDIR+= bsnmpd
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.endif
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.if ${MK_CTM} != "no"
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SUBDIR+= ctm
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.endif
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.if ${MK_FLOPPY} != "no"
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SUBDIR+= fdcontrol
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SUBDIR+= fdformat
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SUBDIR+= fdread
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SUBDIR+= fdwrite
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.endif
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.if ${MK_FMTREE} != "no"
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SUBDIR+= mtree
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.endif
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.if ${MK_FREEBSD_UPDATE} != "no"
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SUBDIR+= freebsd-update
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.endif
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.if ${MK_GSSAPI} != "no"
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SUBDIR+= gssd
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.endif
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.if ${MK_GPIO} != "no"
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SUBDIR+= gpioctl
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.endif
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.if ${MK_INET6} != "no"
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SUBDIR+= faithd
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SUBDIR+= ip6addrctl
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SUBDIR+= mld6query
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SUBDIR+= ndp
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SUBDIR+= rip6query
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SUBDIR+= route6d
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SUBDIR+= rrenumd
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SUBDIR+= rtadvctl
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SUBDIR+= rtadvd
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SUBDIR+= rtsold
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SUBDIR+= traceroute6
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.endif
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.if ${MK_IPFW} != "no"
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SUBDIR+= ipfwpcap
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.endif
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.if ${MK_JAIL} != "no"
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SUBDIR+= jail
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SUBDIR+= jexec
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SUBDIR+= jls
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.endif
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# XXX MK_SYSCONS
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.if ${MK_LEGACY_CONSOLE} != "no"
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SUBDIR+= kbdcontrol
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SUBDIR+= kbdmap
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SUBDIR+= moused
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SUBDIR+= vidcontrol
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.endif
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.if ${MK_LIBTHR} != "no" || ${MK_LIBPTHREAD} != "no"
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.if ${MK_PPP} != "no"
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SUBDIR+= pppctl
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.endif
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.if ${MK_NS_CACHING} != "no"
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SUBDIR+= nscd
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.endif
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.endif
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.if ${MK_LPR} != "no"
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SUBDIR+= lpr
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.endif
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.if ${MK_MAN_UTILS} != "no"
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SUBDIR+= manctl
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.endif
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.if ${MK_NAND} != "no"
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SUBDIR+= nandsim
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SUBDIR+= nandtool
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.endif
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.if ${MK_NETGRAPH} != "no"
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SUBDIR+= flowctl
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SUBDIR+= lmcconfig
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SUBDIR+= ngctl
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SUBDIR+= nghook
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.endif
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.if ${MK_NIS} != "no"
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SUBDIR+= rpc.yppasswdd
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SUBDIR+= rpc.ypupdated
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SUBDIR+= rpc.ypxfrd
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SUBDIR+= ypbind
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SUBDIR+= yp_mkdb
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SUBDIR+= yppoll
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SUBDIR+= yppush
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SUBDIR+= ypserv
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SUBDIR+= ypset
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.endif
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.if ${MK_NTP} != "no"
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SUBDIR+= ntp
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.endif
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.if ${MK_OPENSSL} != "no"
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SUBDIR+= keyserv
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.endif
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.if ${MK_PC_SYSINSTALL} != "no"
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_pc_sysinstall= pc-sysinstall
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.endif
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.if ${MK_PF} != "no"
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SUBDIR+= ftp-proxy
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.endif
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.if ${MK_PKGBOOTSTRAP} != "no"
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SUBDIR+= pkg
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.endif
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# XXX MK_TOOLCHAIN?
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.if ${MK_PMC} != "no"
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SUBDIR+= pmcannotate
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SUBDIR+= pmccontrol
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SUBDIR+= pmcstat
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.endif
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.if ${MK_PORTSNAP} != "no"
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SUBDIR+= portsnap
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.endif
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.if ${MK_PPP} != "no"
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SUBDIR+= ppp
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.endif
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.if ${MK_QUOTAS} != "no"
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SUBDIR+= edquota
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SUBDIR+= quotaon
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SUBDIR+= repquota
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.endif
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.if ${MK_RCMDS} != "no"
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SUBDIR+= rwhod
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.endif
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.if ${MK_SENDMAIL} != "no"
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SUBDIR+= editmap
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SUBDIR+= mailstats
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SUBDIR+= makemap
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SUBDIR+= praliases
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SUBDIR+= sendmail
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.endif
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.if ${MK_TESTS} != "no"
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SUBDIR+= tests
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.endif
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.if ${MK_TOOLCHAIN} != "no"
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SUBDIR+= config
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SUBDIR+= crunch
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.endif
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.if ${MK_UNBOUND} != "no"
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SUBDIR+= unbound
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.endif
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.if ${MK_USB} != "no"
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SUBDIR+= uathload
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SUBDIR+= uhsoctl
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SUBDIR+= usbconfig
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SUBDIR+= usbdump
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.endif
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.if ${MK_UTMPX} != "no"
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SUBDIR+= ac
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SUBDIR+= lastlogin
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SUBDIR+= utx
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.endif
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.if ${MK_WIRELESS} != "no"
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SUBDIR+= ancontrol
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SUBDIR+= wlandebug
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SUBDIR+= wpa
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.endif
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.include <bsd.arch.inc.mk>
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SUBDIR:= ${SUBDIR:O}
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SUBDIR_PARALLEL=
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.include <bsd.subdir.mk>
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