492 lines
14 KiB
PHP
492 lines
14 KiB
PHP
# $NetBSD: Makefile.kern.inc,v 1.117 2008/10/19 22:05:22 apb 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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HOST_SH?= sh
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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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UUDECODE?= ${TOOL_UUDECODE:Uuudecode}
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HEXDUMP?= ${TOOL_HEXDUMP:Uhexdump}
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GENASSYM?= ${TOOL_GENASSYM:Ugenassym}
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.MAKEOVERRIDES+=USETOOLS # make sure proper value is propagated
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_MKMSG?= @\#
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_MKSHMSG?= echo
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_MKSHECHO?= echo
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_MKMSG_CREATE?= :
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_MKTARGET_COMPILE?= :
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_MKTARGET_CREATE?= :
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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}/../common/include -I$S/arch \
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-I$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?= ${DEFCOPTS}
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COPTS+= -std=gnu99
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DBG= # might contain unwanted -Ofoo
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DEFWARNINGS?= yes
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.if (${DEFWARNINGS} == "yes")
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. if !defined(NOGCCERROR)
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CWARNFLAGS+= -Werror
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. endif
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CWARNFLAGS+= -Wall -Wno-main -Wno-format-zero-length -Wpointer-arith
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CWARNFLAGS+= -Wmissing-prototypes -Wstrict-prototypes
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CWARNFLAGS+= -Wswitch -Wshadow
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CWARNFLAGS+= -Wcast-qual -Wwrite-strings
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CWARNFLAGS+= -Wno-unreachable-code
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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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. if (defined(HAVE_GCC) && ${HAVE_GCC} > 3) || defined(HAVE_PCC)
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CWARNFLAGS+= -Wno-pointer-sign -Wno-attributes
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. if ${MACHINE} == "i386" || ${MACHINE_ARCH} == "x86_64" || \
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${MACHINE_ARCH} == "sparc64" || ${MACHINE} == "prep"
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CWARNFLAGS+= -Wextra -Wno-unused-parameter
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. endif
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. endif
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.endif
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CFLAGS+= -ffreestanding -fno-zero-initialized-in-bss
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CFLAGS+= ${DEBUG} ${COPTS}
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AFLAGS+= -D_LOCORE -Wa,-fatal-warnings
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# XXX
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.if defined(HAVE_GCC) && ${HAVE_GCC} > 3
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CFLAGS+= -fno-strict-aliasing
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.endif
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.if ${USE_SSP:Uno} == "yes"
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CFLAGS+=-fstack-protector -Wstack-protector --param ssp-buffer-size=1
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LDFLAGS+=-fstack-protector -Wstack-protector --param ssp-buffer-size=1
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.endif
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# If we want the bpendtsleep: label in kern_synch.c, we need to use
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# -fno-reorder-blocks. Don't make this a config(1) defflag without
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# making sure this fragment remains valid.
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.if defined(HAVE_GCC) && ${HAVE_GCC} > 3 && \
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!empty(${CFLAGS:M-DKERN_SYNCH_BPENDTSLEEP_LABEL})
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COPTS.kern_synch.c+= -fno-reorder-blocks
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.endif
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# Use the per-source COPTS variables to 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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COPTS.${j}+=-g
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. endfor
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.endfor
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# Always compile subr_debug_info.c with debug informations.
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# This allows gdb to use type informations.
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#
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COPTS.debugsyms.c+= -g
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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?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \
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${_MKSHECHO}\
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${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $<; \
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${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $<
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NOPROF_C?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \
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${_MKSHECHO}\
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${CC} ${CFLAGS} ${CPPFLAGS} -c $<; \
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${CC} ${CFLAGS} ${CPPFLAGS} -c $<
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NORMAL_S?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \
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${_MKSHECHO}\
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${CC} ${AFLAGS} ${CPPFLAGS} -c $<; \
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${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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SYSLIBCOMPAT?= ${COMPATLIB}
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.else
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SYSLIBCOMPAT?= ${COMPATLIB_PROF}
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.endif
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SYSLIBCOMPATLN?= ${COMPATLIBLN}
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##
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## (4) local objects, compile rules, and dependencies
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##
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## Each port should have a corresponding section with settings for
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## MD_CFILES, MD_SFILES, and MD_OBJS, along with build rules for same.
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##
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MI_CFILES=devsw.c ioconf.c param.c
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# the need for a MI_SFILES variable is dubitable at best
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MI_OBJS=${MI_CFILES:S/.c/.o/}
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param.c: $S/conf/param.c
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${_MKTARGET_CREATE}
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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} ${SYSLIBCOMPAT} ${LIBKERN}
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SYSTEM_DEP?= Makefile ${SYSTEM_OBJ:O} .gdbinit
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SYSTEM_LD_HEAD?=@rm -f $@
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SYSTEM_LD?= @${_MKSHMSG} " link ${.CURDIR:T}/${.TARGET}"; \
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${_MKSHECHO}\
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${LD} -Map $@.map --cref ${LINKFLAGS} -o $@ '$${SYSTEM_OBJ}' '$${EXTRA_OBJ}' vers.o; \
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${LD} -Map $@.map --cref ${LINKFLAGS} -o $@ ${SYSTEM_OBJ} ${EXTRA_OBJ} vers.o
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SYSTEM_LD_TAIL?=@sed '/const char sccs/!d;s/.*@(.)//;s/\\.*//' vers.c; \
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${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 $@ $@.gdb
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LINKFLAGS_NORMAL?= -S
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STRIPFLAGS?= -g
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DEBUG?=
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.if !empty(DEBUG:M-g*)
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SYSTEM_LD_TAIL+=${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+= ${LINKFLAGS_NORMAL}
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.endif
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SYSTEM_LD_TAIL+=; \
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if grep -q '^\#define.*SYMTAB_SPACE' opt_ddbparam.h; then \
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echo "${DBSYM} $@"; \
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${DBSYM} $@; \
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fi
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SYSTEM_LD_HEAD+=${SYSTEM_LD_HEAD_EXTRA}
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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: ${GENASSYM_CONF} ${GENASSYM_EXTRAS}
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${_MKTARGET_CREATE}
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cat ${GENASSYM_CONF} ${GENASSYM_EXTRAS} | \
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${GENASSYM} -- ${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 $S/conf/osrelease.sh
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${_MKMSG_CREATE} vers.c
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${HOST_SH} $S/conf/newvers.sh
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${_MKTARGET_COMPILE}
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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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BUILDSYMLINKS+= config_time.src config_time.h
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.endif
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.if defined(MEMORY_DISK_IMAGE)
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md_root_image.h: ${MEMORY_DISK_IMAGE}
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${_MKTARGET_CREATE}
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${TOOL_HEXDUMP} -v -e '"\t" 8/1 "0x%02x, " "\n"' ${.ALLSRC} > ${.TARGET}
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# XXX This is only needed when building md_root.o
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CPPFLAGS+= -DMEMORY_DISK_IMAGE
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md_root.o: md_root_image.h
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.endif
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# depend on MEMORY_DISK_IMAGE configuration
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md_root.o: Makefile
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# depend on root or device configuration
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autoconf.o conf.o: Makefile
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# depend on network or filesystem configuration
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uipc_proto.o vfs_conf.o: Makefile
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# depend on maxusers and CPU configuration
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assym.h machdep.o: Makefile
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##
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## (7) misc targets: install, clean(dir), depend(all), lint, links, tags,
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## cscope, mkid
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##
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## Any ports that have other stuff to be cleaned up should fill in
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## EXTRA_CLEAN. Some ports may want different settings for
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## KERNLINTFLAGS, MKDEP_CFLAGS, or MKDEP_AFLAGS.
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##
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.if !target(__CLEANKERNEL)
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__CLEANKERNEL: .USE
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${_MKMSG} "${.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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echo .depend ${DEPS} | xargs rm -f --
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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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dependall: depend .WAIT all
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.if !target(.depend)
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MKDEP_AFLAGS?= ${AFLAGS}
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MKDEP_CFLAGS?= ${CFLAGS}
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SSRCS=${MD_SFILES} ${SFILES}
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CSRCS=${MD_CFILES} ${MI_CFILES} ${CFILES}
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SRCS=${SSRCS} ${CSRCS}
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DEPS= ${SRCS:T:O:u:R:S/$/.d/g}
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.for _s in ${SSRCS}
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${_s:T:R}.d: ${_s} assym.h
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${_MKTARGET_CREATE}
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${MKDEP} -f ${.TARGET} -- ${MKDEP_AFLAGS} \
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${CPPFLAGS} ${CPPFLAGS.${_s:T}} ${_s}
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.endfor
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.for _s in ${CSRCS}
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${_s:T:R}.d: ${_s}
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${_MKTARGET_CREATE}
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${MKDEP} -f ${.TARGET} -- ${MKDEP_CFLAGS} \
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${CPPFLAGS} ${CPPFLAGS.${_s:T}} ${_s}
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.endfor
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assym.d: assym.h
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${_MKTARGET_CREATE}
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cat ${GENASSYM_CONF} ${GENASSYM_EXTRAS} | \
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${GENASSYM} -- ${MKDEP} -f assym.dep -- \
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${CFLAGS} ${CPPFLAGS}
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sed -e 's/.*\.o:.*\.c/assym.h:/' < assym.dep >${.TARGET}
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rm -f assym.dep
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DEPS+= assym.d
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.depend: ${DEPS}
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${_MKTARGET_CREATE}
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echo "${.ALLSRC}" | ${MKDEP} -D
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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} ${SYSLIBCOMPATLN}
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.for _sfile in ${ALLSFILES}
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LintStub_${_sfile:T:R}.c: ${_sfile} assym.h
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${_MKTARGET_COMPILE}
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${CC} -E -C ${AFLAGS} ${CPPFLAGS} ${_sfile} | \
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${TOOL_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: ${_cfile}
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${_MKTARGET_COMPILE}
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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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# Attempt to do a syntax-only compile of the entire kernel as one entity.
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# Alas, bugs in the GCC C frontend prevent this from completely effective
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# but information can be gleaned from the output.
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syntax-only: ${CFILES} ${MD_CFILES}
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${CC} -fsyntax-only -combine ${CFLAGS} ${CPPFLAGS} \
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${CFILES} ${MD_CFILES}
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# List of kernel images that will be installed into the root file system.
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# Some platforms may need to install more than one (e.g. a netbsd.aout file
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# to be loaded directly by the firmware), so this can be overriden by them.
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KERNIMAGES?= netbsd
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.if !target(install)
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# The install target can be redefined by putting a
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# install-kernel-${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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.for _K in ${KERNIMAGES}
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rm -f ${DESTDIR}/o${_K}
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ln ${DESTDIR}/${_K} ${DESTDIR}/o${_K}
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cp ${_K} ${DESTDIR}/n${_K}
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mv ${DESTDIR}/n${_K} ${DESTDIR}/${_K}
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.endfor
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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 $S/kern/Makefile for tags"
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.endif
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EXTRA_CLEAN+= cscope.out cscope.tmp
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.if !target(cscope.out)
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cscope.out: Makefile depend
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${_MKTARGET_CREATE}
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@sed 's/[^:]*://;s/^ *//;s/ *\\ *$$//;' lib/kern/.depend | \
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tr -s ' ' '\n' | sed 's|^\([^.\\]\)|lib/kern/\1|;s|^../../||;' > \
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cscope.tmp
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@sed 's/[^:]*://;s/^ *//;s/ *\\ *$$//;' lib/compat/.depend | \
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tr -s ' ' '\n' | sed 's|^\([^.\\]\)|lib/compat/\1|;s|^../../||;' >> \
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cscope.tmp
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@echo ${SRCS} | cat - cscope.tmp | tr -s ' ' '\n' | sort -u | \
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${CSCOPE} -k -i - -b `echo ${INCLUDES} | sed s/-nostdinc//`
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# cscope doesn't write cscope.out if it's uptodate, so ensure
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# make doesn't keep calling cscope when not needed.
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@rm -f cscope.tmp; touch cscope.out
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.endif
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.if !target(cscope)
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cscope: cscope.out
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@${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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${_MKTARGET_CREATE}
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@${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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|
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EXTRA_CLEAN+= .gdbinit
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.gdbinit: Makefile ${S}/gdbscripts/Makefile.inc
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|
${_MKTARGET_CREATE}
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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
|
|
|
|
# The following files use alloca(3) or variable array allocations.
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|
# Their full name is noted as documentation.
|
|
VARSTACK=dev/cgd.c kern/uipc_socket.c miscfs/genfs/genfs_vnops.c \
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|
nfs/nfs_bio.c uvm/uvm_bio.c \
|
|
uvm/uvm_pager.c dev/ic/aic7xxx.c dev/ic/aic79xx.c arch/xen/i386/gdt.c \
|
|
dev/ofw/ofw_subr.c
|
|
|
|
. if (defined(HAVE_GCC) && ${HAVE_GCC} > 3) || defined(HAVE_PCC)
|
|
.for __varstack in ${VARSTACK}
|
|
COPTS.${__varstack:T} += -Wno-stack-protector
|
|
.endfor
|
|
.endif
|
|
|
|
AFLAGS+= ${AOPTS.${.IMPSRC:T}}
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|
CFLAGS+= ${COPTS.${.IMPSRC:T}} ${CPUFLAGS.${.IMPSRC:T}}
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|
CPPFLAGS+= ${CPPFLAGS.${.IMPSRC:T}}
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|
CWARNFLAGS+= ${CWARNFLAGS.${.IMPSRC:T}}
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|
|
|
.include <bsd.files.mk>
|
|
|
|
##
|
|
## the end
|
|
##
|