351 lines
9.6 KiB
PHP
351 lines
9.6 KiB
PHP
# $NetBSD: Makefile.kern.inc,v 1.31 2002/12/10 19:33:11 atatat Exp $
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#
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# This file contains common `MI' targets and definitions and it is included
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# at the bottom of each `MD' ${MACHINE}/conf/Makefile.${MACHINE}.
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#
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# Each target in this file should be protected with `if !target(target)'
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# or `if !commands(target)' and each variable should only be conditionally
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# assigned `VAR ?= VALUE', so that everything can be overriden.
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#
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# DEBUG is set to -g if debugging.
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# PROF is set to -pg if profiling.
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#
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# To specify debugging, add the config line: makeoptions DEBUG="-g"
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# A better way is to specify -g only for a few files.
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#
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# makeoptions DEBUGLIST="uvm* trap if_*"
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#
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# all ports are expected to include bsd.own.mk for toolchain settings
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##
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## (0) toolchain settings for things that aren't part of the standard
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## toolchain
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##
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DBSYM?= dbsym
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MKDEP?= mkdep
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STRIP?= strip
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OBJCOPY?= objcopy
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OBJDUMP?= objdump
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CSCOPE?= cscope
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MKID?= mkid
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.MAKEOVERRIDES+=USETOOLS # make sure proper value is propagated
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##
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## (1) port independent source tree identification
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##
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# source tree is located via $S relative to the compilation directory
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.ifndef S
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S!= cd ../../../..; pwd
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.endif
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##
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## (2) compile settings
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##
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## CPPFLAGS, CFLAGS, and AFLAGS must be set in the port's Makefile
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##
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INCLUDES?= -I. ${EXTRA_INCLUDES} -I$S/arch -I$S -nostdinc
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CPPFLAGS+= ${INCLUDES} ${IDENT} ${PARAM} -D_KERNEL -D_KERNEL_OPT
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DEFCOPTS?= -O2
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COPTS?= ${DEFCOPTS}
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DBG= # might contain unwanted -Ofoo
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DEFWARNINGS?= yes
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.if (${DEFWARNINGS} == "yes")
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CWARNFLAGS+= -Werror -Wall -Wno-main -Wno-format-zero-length -Wpointer-arith
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CWARNFLAGS+= -Wmissing-prototypes -Wstrict-prototypes
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# Add -Wno-sign-compare. -Wsign-compare is included in -Wall as of GCC 3.3,
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# but our sources aren't up for it yet.
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CWARNFLAGS+= -Wno-sign-compare
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# XXX Delete -Wuninitialized for now, since the compiler doesn't
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# XXX always get it right. --thorpej
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CWARNFLAGS+= -Wno-uninitialized
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.endif
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CFLAGS+= -ffreestanding ${DEBUG} ${COPTS} ${CWARNFLAGS}
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AFLAGS+= -D_LOCORE
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# Define a set of xxx_G variables that will add -g to just those
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# files that match the shell patterns given in ${DEBUGLIST}
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#
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.for i in ${DEBUGLIST}
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.for j in ${CFILES:T:M$i.c}
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${j:R}_G?= -g
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.endfor
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.endfor
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# compile rules: rules are named ${TYPE}_${SUFFIX} where TYPE is NORMAL or
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# NOPROF and SUFFIX is the file suffix, capitalized (e.g. C for a .c file).
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NORMAL_C?= ${CC} ${CFLAGS} ${CPPFLAGS} ${${<:T:R}_G} ${PROF} -c $<
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NOPROF_C?= ${CC} ${CFLAGS} ${CPPFLAGS} ${${<:T:R}_G} -c $<
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NORMAL_S?= ${CC} ${AFLAGS} ${CPPFLAGS} -c $<
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##
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## (3) libkern and compat
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##
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## Set KERN_AS in the port Makefile to "obj" or "library". The
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## default is "library", as documented in $S/lib/libkern/Makefile.inc.
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##
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### find out what to use for libkern
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.include "$S/lib/libkern/Makefile.inc"
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.ifndef PROF
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LIBKERN?= ${KERNLIB}
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.else
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LIBKERN?= ${KERNLIB_PROF}
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.endif
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LIBKERNLN?= ${KERNLIBLN}
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### find out what to use for libcompat
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.include "$S/compat/common/Makefile.inc"
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.ifndef PROF
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LIBCOMPAT?= ${COMPATLIB}
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.else
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LIBCOMPAT?= ${COMPATLIB_PROF}
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.endif
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LIBCOMPATLN?= ${COMPATLIBLN}
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##
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## (4) local objects, compile rules, and dependencies
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##
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## Each port should have a corresponding section with settings for
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## MD_CFILES, MD_SFILES, and MD_OBJS, along with build rules for same.
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##
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MI_CFILES=devsw.c ioconf.c param.c
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# the need for a MI_SFILES variable is dubitable at best
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MI_OBJS=${MI_CFILES:S/.c/.o/}
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param.c: $S/conf/param.c
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rm -f param.c
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cp $S/conf/param.c .
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param.o: Makefile
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.for _cfile in ${MI_CFILES}
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${_cfile:T:R}.o: ${_cfile}
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${NORMAL_C}
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.endfor
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##
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## (5) link settings
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##
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## TEXTADDR (or LOADADDRESS), LINKFORMAT, and any EXTRA_LINKFLAGS must
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## be set in the port's Makefile. The port specific definitions for
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## LINKFLAGS_NORMAL and LINKFLAGS_DEBUG will added to the LINKFLAGS
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## depending on the value of DEBUG.
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##
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# load lines for config "xxx" will be emitted as:
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# xxx: ${SYSTEM_DEP} swapxxx.o
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# ${SYSTEM_LD_HEAD}
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# ${SYSTEM_LD} swapxxx.o
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# ${SYSTEM_LD_TAIL}
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SYSTEM_OBJ?= ${MD_OBJS} ${MI_OBJS} ${OBJS} ${LIBCOMPAT} ${LIBKERN}
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SYSTEM_DEP?= Makefile ${SYSTEM_OBJ} .gdbinit
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SYSTEM_LD_HEAD?= @rm -f $@
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SYSTEM_LD?= @echo ${LD} ${LINKFLAGS} -o $@ '$${SYSTEM_OBJ}' vers.o; \
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${LD} ${LINKFLAGS} -o $@ ${SYSTEM_OBJ} vers.o
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SYSTEM_LD_TAIL?= @${SIZE} $@; chmod 755 $@
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TEXTADDR?= ${LOADADDRESS} # backwards compatibility
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LINKTEXT?= ${TEXTADDR:C/.+/-Ttext &/}
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LINKDATA?= ${DATAADDR:C/.+/-Tdata &/}
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ENTRYPOINT?= start
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LINKENTRY?= ${ENTRYPOINT:C/.+/-e &/}
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LINKFLAGS?= ${LINKFORMAT} ${LINKTEXT} ${LINKDATA} ${LINKENTRY} \
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${EXTRA_LINKFLAGS}
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LINKFLAGS_DEBUG?= -X
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SYSTEM_LD_TAIL_DEBUG?=; \
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echo mv -f $@ $@.gdb; mv -f $@ $@.gdb; \
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echo ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb; \
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${STRIP} ${STRIPFLAGS} -o $@ $@.gdb
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LINKFLAGS_NORMAL?= -S
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STRIPFLAGS?= -g
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DEBUG?=
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.if ${DEBUG} == "-g"
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SYSTEM_LD_TAIL+=${SYSTEM_LD_TAIL_DEBUG}
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LINKFLAGS+= ${LINKFLAGS_DEBUG}
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EXTRA_KERNELS+= ${KERNELS:@.KERNEL.@${.KERNEL.}.gdb@}
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.elifndef PROF
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LINKFLAGS+= ${LINKFLAGS_NORMAL}
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.endif
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SYSTEM_LD_TAIL+=${SYSTEM_LD_TAIL_EXTRA}
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##
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## (6) port independent targets and dependencies: assym.h, vers.o
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##
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.if !target(assym.h)
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assym.h: $S/kern/genassym.sh ${GENASSYM} ${GENASSYM_EXTRAS}
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cat ${GENASSYM} ${GENASSYM_EXTRAS} | \
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sh $S/kern/genassym.sh ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} \
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> assym.h.tmp && \
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mv -f assym.h.tmp assym.h
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${MD_SFILES:C/\.[Ss]/.o/} ${SFILES:C/\.[Ss]/.o/}: assym.h
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.endif
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.if !target(vers.o)
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newvers: vers.o
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vers.o: ${SYSTEM_DEP} ${SYSTEM_SWAP_DEP} $S/conf/newvers.sh $S/conf/osrelease.sh
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sh $S/conf/newvers.sh
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${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c vers.c
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.endif
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.if !target(config_time.h)
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EXTRA_CLEAN+= config_time.h
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config_time.h: Makefile
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cp config_time.src config_time.h
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.endif
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# depend on root or device configuration
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autoconf.o conf.o: Makefile
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# depend on network or filesystem configuration
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uipc_proto.o vfs_conf.o: Makefile
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# depend on maxusers and CPU configuration
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assym.h machdep.o: Makefile
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##
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## (7) misc targets: install, clean(dir), depend(all), lint, links, tags,
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## cscope, mkid
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##
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## Any ports that have other stuff to be cleaned up should fill in
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## EXTRA_CLEAN. Some ports may want different settings for
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## KERNLINTFLAGS, MKDEP_CFLAGS, or MKDEP_AFLAGS.
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##
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.if !target(__CLEANKERNEL)
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__CLEANKERNEL: .USE
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@echo "${.TARGET}ing the kernel objects"
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rm -f ${KERNELS} eddep tags *.[io] *.ln [a-z]*.s vers.c \
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[Ee]rrs linterrs makelinks assym.h.tmp assym.h \
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${EXTRA_KERNELS} ${EXTRA_CLEAN}
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.endif
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.if !target(kernelnames)
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kernelnames:
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@echo "${KERNELS} ${EXTRA_KERNELS}"
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.endif
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.if !target(__CLEANDEPEND)
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__CLEANDEPEND: .USE
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rm -f .depend
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.endif
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# do not !target these, the kern and compat Makefiles augment them
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cleandir distclean: __CLEANKERNEL __CLEANDEPEND
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clean: __CLEANKERNEL
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depend: .depend
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.if !target(.depend)
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SRCS?= ${MD_SFILES} ${MD_CFILES} ${MI_CFILES} ${CFILES} ${SFILES}
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MKDEP_AFLAGS?= ${AFLAGS}
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MKDEP_CFLAGS?= ${CFLAGS}
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.depend: ${SRCS} assym.h config_time.h
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${MKDEP} ${MKDEP_AFLAGS} ${CPPFLAGS} ${MD_SFILES} ${SFILES}
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${MKDEP} -a ${MKDEP_CFLAGS} ${CPPFLAGS} ${MD_CFILES} ${MI_CFILES} \
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${CFILES}
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cat ${GENASSYM} ${GENASSYM_EXTRAS} | \
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sh $S/kern/genassym.sh ${MKDEP} -f assym.dep ${CFLAGS} ${CPPFLAGS}
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@sed -e 's/.*\.o:.*\.c/assym.h:/' < assym.dep >> .depend
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@rm -f assym.dep
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.endif
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.if !target(dependall)
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dependall: depend all
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.endif
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.if !target(lint)
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ALLSFILES?= ${MD_SFILES} ${SFILES}
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LINTSTUBS?= ${ALLSFILES:T:R:C/^.*$/LintStub_&.c/g}
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KERNLINTFLAGS?= -bcehnxzFS
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NORMAL_LN?= ${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} -i $<
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_lsrc=${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES}
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LOBJS?= ${_lsrc:T:S/.c$/.ln/g} ${LIBKERNLN} ${LIBCOMPATLN}
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.for _sfile in ${ALLSFILES}
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LintStub_${_sfile:T:R}.c: ${_sfile} assym.h
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${CC} -E -C ${AFLAGS} ${CPPFLAGS} ${_sfile} | \
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awk -f $S/kern/genlintstub.awk >${.TARGET}
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.endfor
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.for _cfile in ${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES}
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${_cfile:T:R}.ln: ${_cfile}
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${NORMAL_LN}
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.endfor
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lint: ${LOBJS}
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${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} ${LOBJS}
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.endif
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.if !target(install)
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# The install target can be redefined by putting a
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# install-kernel-${MACHINE_NAME} target into /etc/mk.conf
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MACHINE_NAME!= uname -n
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install: install-kernel-${MACHINE_NAME}
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.if !target(install-kernel-${MACHINE_NAME})
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install-kernel-${MACHINE_NAME}:
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rm -f ${DESTDIR}/onetbsd
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ln ${DESTDIR}/netbsd ${DESTDIR}/onetbsd
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cp netbsd ${DESTDIR}/nnetbsd
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mv ${DESTDIR}/nnetbsd ${DESTDIR}/netbsd
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.endif
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.endif
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.if !target(tags)
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tags:
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@echo "see $S/kern/Makefile for tags"
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.endif
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EXTRA_CLEAN+= cscope.out
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.if !target(cscope.out)
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cscope.out: Makefile depend
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@echo Building cscope.out source database
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@echo ${SRCS} `sed 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' \
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lib/kern/.depend lib/compat/.depend | tr ' ' '\n' | \
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sed "s|^../../||" | sort -u` \
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| ${CSCOPE} -k -i - -b `echo ${INCLUDES} | sed s/-nostdinc//`
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# cscope doesn't write cscope.out if it's uptodate, so ensure
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# make doesn't keep calling cscope when not needed.
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@touch cscope.out
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.endif
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.if !target(cscope)
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cscope: cscope.out
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@${CSCOPE} -d
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.endif
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EXTRA_CLEAN+= ID
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.if !target(mkid)
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.PHONY: mkid
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mkid: ID
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ID: Makefile depend
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@echo Building mkid database
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@${MKID} `sed 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' lib/kern/.depend \
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lib/compat/.depend | tr ' ' '\n' | sed "s|^../../||" | sort -u` \
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`sed 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' .depend | tr ' ' '\n' \
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| sort -u`
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.endif
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.include "${S}/gdbscripts/Makefile.inc"
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EXTRA_CLEAN+= .gdbinit
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.gdbinit: Makefile ${S}/gdbscripts/Makefile.inc
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@echo building GDB initialization file
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rm -f .gdbinit
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.for __gdbinit in ${SYS_GDBINIT}
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echo "source ${S}/gdbscripts/${__gdbinit}" >> .gdbinit
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.endfor
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.if defined(GDBINIT) && !empty(GDBINIT)
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.for __gdbinit in ${GDBINIT}
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echo "source ${__gdbinit}" >> .gdbinit
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.endfor
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.endif
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##
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## the end
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##
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