sys/conf/kmod.mk

   1 #       From: @(#)bsd.prog.mk   5.26 (Berkeley) 6/25/91
   2 # $FreeBSD$
   3 #
   4 # The include file <bsd.kmod.mk> handles building and installing loadable
   5 # kernel modules.
   6 #
   7 #
   8 # +++ variables +++
   9 #
  10 # CLEANFILES    Additional files to remove for the clean and cleandir targets.
  11 #
  12 # EXPORT_SYMS   A list of symbols that should be exported from the module,
  13 #               or the name of a file containing a list of symbols, or YES
  14 #               to export all symbols.  If not defined, no symbols are
  15 #               exported.
  16 #
  17 # KMOD          The name of the kernel module to build.
  18 #
  19 # KMODDIR       Base path for kernel modules (see kld(4)). [/boot/kernel]
  20 #
  21 # KMODOWN       Module file owner. [${BINOWN}]
  22 #
  23 # KMODGRP       Module file group. [${BINGRP}]
  24 #
  25 # KMODMODE      Module file mode. [${BINMODE}]
  26 #
  27 # KMODLOAD      Command to load a kernel module [/sbin/kldload]
  28 #
  29 # KMODUNLOAD    Command to unload a kernel module [/sbin/kldunload]
  30 #
  31 # KMODISLOADED  Command to check whether a kernel module is
  32 #               loaded [/sbin/kldstat -q -n]
  33 #
  34 # PROG          The name of the kernel module to build.
  35 #               If not supplied, ${KMOD}.ko is used.
  36 #
  37 # SRCS          List of source files.
  38 #
  39 # FIRMWS        List of firmware images in format filename:shortname:version
  40 #
  41 # FIRMWARE_LICENSE
  42 #               Set to the name of the license the user has to agree on in
  43 #               order to use this firmware. See /usr/share/doc/legal
  44 #
  45 # DESTDIR       The tree where the module gets installed. [not set]
  46 #
  47 # KERNBUILDDIR
  48 #               Set to the location of the kernel build directory where
  49 #               the opt_*.h files, .o's and kernel winds up.
  50 #
  51 # +++ targets +++
  52 #
  53 #       install:
  54 #               install the kernel module; if the Makefile
  55 #               does not itself define the target install, the targets
  56 #               beforeinstall and afterinstall may also be used to cause
  57 #               actions immediately before and after the install target
  58 #               is executed.
  59 #
  60 #       load:
  61 #               Load a module.
  62 #
  63 #       unload:
  64 #               Unload a module.
  65 #
  66 #       reload:
  67 #               Unload if loaded, then load.
  68 #
  69
  70 AWK?=           awk
  71 KMODLOAD?=      /sbin/kldload
  72 KMODUNLOAD?=    /sbin/kldunload
  73 KMODISLOADED?=  /sbin/kldstat -q -n
  74 OBJCOPY?=       objcopy
  75
  76 .include "kmod.opts.mk"
  77 .include <bsd.sysdir.mk>
  78
  79 .SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S .m
  80
  81 # amd64 and mips use direct linking for kmod, all others use shared binaries
  82 .if ${MACHINE_CPUARCH} != amd64 && ${MACHINE_CPUARCH} != mips
  83 __KLD_SHARED=yes
  84 .else
  85 __KLD_SHARED=no
  86 .endif
  87
  88 .if !empty(CFLAGS:M-O[23s]) && empty(CFLAGS:M-fno-strict-aliasing)
  89 CFLAGS+=        -fno-strict-aliasing
  90 .endif
  91 WERROR?=        -Werror
  92
  93 LINUXKPI_GENSRCS+= \
  94         bus_if.h \
  95         device_if.h \
  96         pci_if.h \
  97         pci_iov_if.h \
  98         vnode_if.h \
  99         usb_if.h \
 100         opt_usb.h \
 101         opt_stack.h
 102
 103 CFLAGS+=        ${WERROR}
 104 CFLAGS+=        -D_KERNEL
 105 CFLAGS+=        -DKLD_MODULE
 106 .if defined(MODULE_TIED)
 107 CFLAGS+=        -DKLD_TIED
 108 .endif
 109
 110 # Don't use any standard or source-relative include directories.
 111 NOSTDINC=       -nostdinc
 112 CFLAGS:=        ${CFLAGS:N-I*} ${NOSTDINC} ${INCLMAGIC} ${CFLAGS:M-I*}
 113 .if defined(KERNBUILDDIR)
 114 CFLAGS+=        -DHAVE_KERNEL_OPTION_HEADERS -include ${KERNBUILDDIR}/opt_global.h
 115 .else
 116 SRCS+=          opt_global.h
 117 CFLAGS+=        -include ${.OBJDIR}/opt_global.h
 118 .endif
 119
 120 # Add -I paths for system headers.  Individual module makefiles don't
 121 # need any -I paths for this.  Similar defaults for .PATH can't be
 122 # set because there are no standard paths for non-headers.
 123 CFLAGS+=        -I. -I${SYSDIR} -I${SYSDIR}/contrib/ck/include
 124
 125 CFLAGS.gcc+=    -finline-limit=${INLINE_LIMIT}
 126 CFLAGS.gcc+=    -fms-extensions
 127 CFLAGS.gcc+= --param inline-unit-growth=100
 128 CFLAGS.gcc+= --param large-function-growth=1000
 129
 130 # Disallow common variables, and if we end up with commons from
 131 # somewhere unexpected, allocate storage for them in the module itself.
 132 #
 133 # -fno-common is the default for src builds, but this should be left in place
 134 # until at least we catch up to GCC10/LLVM11 or otherwise enable -fno-common
 135 # in <bsd.sys.mk> instead.  For now, we will have duplicate -fno-common in
 136 # CFLAGS for in-tree module builds as they will also pick it up from
 137 # share/mk/src.sys.mk, but the following is important for out-of-tree modules
 138 # (e.g. ports).
 139 CFLAGS+=        -fno-common
 140 LDFLAGS+=       -d -warn-common
 141
 142 .if defined(LINKER_FEATURES) && ${LINKER_FEATURES:Mbuild-id}
 143 LDFLAGS+=       --build-id=sha1
 144 .endif
 145
 146 CFLAGS+=        ${DEBUG_FLAGS}
 147 .if ${MACHINE_CPUARCH} == amd64
 148 CFLAGS+=        -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer
 149 .endif
 150
 151 .if ${MACHINE_CPUARCH} == "aarch64" || ${MACHINE_CPUARCH} == "riscv" || \
 152     ${MACHINE_CPUARCH} == "powerpc"
 153 CFLAGS+=        -fPIC
 154 .endif
 155
 156 # Temporary workaround for PR 196407, which contains the fascinating details.
 157 # Don't allow clang to use fpu instructions or registers in kernel modules.
 158 .if ${MACHINE_CPUARCH} == arm
 159 CFLAGS.clang+=  -mno-movt
 160 CFLAGS.clang+=  -mfpu=none
 161 CFLAGS+=        -funwind-tables
 162 .endif
 163
 164 .if ${MACHINE_CPUARCH} == powerpc
 165 CFLAGS+=        -mlongcall -fno-omit-frame-pointer
 166 .if ${LINKER_TYPE} == "lld"
 167 # TOC optimization in LLD (9.0) currently breaks kernel modules, so disable it
 168 LDFLAGS+=       --no-toc-optimize
 169 .endif
 170 .endif
 171
 172 .if ${MACHINE_CPUARCH} == mips
 173 CFLAGS+=        -G0 -fno-pic -mno-abicalls -mlong-calls
 174 .endif
 175
 176 .if defined(DEBUG) || defined(DEBUG_FLAGS)
 177 CTFFLAGS+=      -g
 178 .endif
 179
 180 .if defined(FIRMWS)
 181 ${KMOD:S/$/.c/}: ${SYSDIR}/tools/fw_stub.awk
 182         ${AWK} -f ${SYSDIR}/tools/fw_stub.awk ${FIRMWS} -m${KMOD} -c${KMOD:S/$/.c/g} \
 183             ${FIRMWARE_LICENSE:C/.+/-l/}${FIRMWARE_LICENSE}
 184
 185 SRCS+=  ${KMOD:S/$/.c/}
 186 CLEANFILES+=    ${KMOD:S/$/.c/}
 187
 188 .for _firmw in ${FIRMWS}
 189 ${_firmw:C/\:.*$/.fwo/:T}:      ${_firmw:C/\:.*$//}
 190         @${ECHO} ${_firmw:C/\:.*$//} ${.ALLSRC:M*${_firmw:C/\:.*$//}}
 191         @if [ -e ${_firmw:C/\:.*$//} ]; then                    \
 192                 ${LD} -b binary --no-warn-mismatch ${_LDFLAGS}  \
 193                     -m ${LD_EMULATION} -r -d                    \
 194                     -o ${.TARGET} ${_firmw:C/\:.*$//};          \
 195         else                                                    \
 196                 ln -s ${.ALLSRC:M*${_firmw:C/\:.*$//}} ${_firmw:C/\:.*$//}; \
 197                 ${LD} -b binary --no-warn-mismatch ${_LDFLAGS}  \
 198                     -m ${LD_EMULATION} -r -d                    \
 199                     -o ${.TARGET} ${_firmw:C/\:.*$//};          \
 200                 rm ${_firmw:C/\:.*$//};                         \
 201         fi
 202
 203 OBJS+=  ${_firmw:C/\:.*$/.fwo/:T}
 204 .endfor
 205 .endif
 206
 207 # Conditionally include SRCS based on kernel config options.
 208 .for _o in ${KERN_OPTS}
 209 SRCS+=${SRCS.${_o}}
 210 .endfor
 211
 212 OBJS+=  ${SRCS:N*.h:R:S/$/.o/g}
 213
 214 .if !defined(PROG)
 215 PROG=   ${KMOD}.ko
 216 .endif
 217
 218 .if !defined(DEBUG_FLAGS) || ${MK_KERNEL_SYMBOLS} == "no"
 219 FULLPROG=       ${PROG}
 220 .else
 221 FULLPROG=       ${PROG}.full
 222 ${PROG}: ${FULLPROG} ${PROG}.debug
 223         ${OBJCOPY} --strip-debug --add-gnu-debuglink=${PROG}.debug \
 224             ${FULLPROG} ${.TARGET}
 225 ${PROG}.debug: ${FULLPROG}
 226         ${OBJCOPY} --only-keep-debug ${FULLPROG} ${.TARGET}
 227 .endif
 228
 229 .if ${__KLD_SHARED} == yes
 230 ${FULLPROG}: ${KMOD}.kld
 231         ${LD} -m ${LD_EMULATION} -Bshareable -znotext -znorelro ${_LDFLAGS} \
 232             -o ${.TARGET} ${KMOD}.kld
 233 .if !defined(DEBUG_FLAGS)
 234         ${OBJCOPY} --strip-debug ${.TARGET}
 235 .endif
 236 .endif
 237
 238 EXPORT_SYMS?=   NO
 239 .if ${EXPORT_SYMS} != YES
 240 CLEANFILES+=    export_syms
 241 .endif
 242
 243 .if exists(${SYSDIR}/conf/ldscript.kmod.${MACHINE_ARCH})
 244 LDSCRIPT_FLAGS?= -T ${SYSDIR}/conf/ldscript.kmod.${MACHINE_ARCH}
 245 .endif
 246
 247 .if ${__KLD_SHARED} == yes
 248 ${KMOD}.kld: ${OBJS}
 249 .else
 250 ${FULLPROG}: ${OBJS}
 251 .endif
 252         ${LD} -m ${LD_EMULATION} ${_LDFLAGS} ${LDSCRIPT_FLAGS} -r -d \
 253             -o ${.TARGET} ${OBJS}
 254 .if ${MK_CTF} != "no"
 255         ${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${OBJS}
 256 .endif
 257 .if defined(EXPORT_SYMS)
 258 .if ${EXPORT_SYMS} != YES
 259 .if ${EXPORT_SYMS} == NO
 260         :> export_syms
 261 .elif !exists(${.CURDIR}/${EXPORT_SYMS})
 262         echo -n "${EXPORT_SYMS:@s@$s${.newline}@}" > export_syms
 263 .else
 264         grep -v '^#' < ${EXPORT_SYMS} > export_syms
 265 .endif
 266         ${AWK} -f ${SYSDIR}/conf/kmod_syms.awk ${.TARGET} \
 267             export_syms | xargs -J% ${OBJCOPY} % ${.TARGET}
 268 .endif
 269 .endif # defined(EXPORT_SYMS)
 270 .if defined(PREFIX_SYMS)
 271         ${AWK} -v prefix=${PREFIX_SYMS} -f ${SYSDIR}/conf/kmod_syms_prefix.awk \
 272             ${.TARGET} /dev/null | xargs -J% ${OBJCOPY} % ${.TARGET}
 273 .endif
 274 .if !defined(DEBUG_FLAGS) && ${__KLD_SHARED} == no
 275         ${OBJCOPY} --strip-debug ${.TARGET}
 276 .endif
 277
 278 _MAP_DEBUG_PREFIX= yes
 279
 280 _ILINKS=machine
 281 .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
 282 _ILINKS+=x86
 283 .endif
 284 CLEANFILES+=${_ILINKS}
 285
 286 all: ${PROG}
 287
 288 beforedepend: ${_ILINKS}
 289 beforebuild: ${_ILINKS}
 290
 291 # Ensure that the links exist without depending on it when it exists which
 292 # causes all the modules to be rebuilt when the directory pointed to changes.
 293 # Ensure that debug info references the path in the source tree.
 294 .for _link in ${_ILINKS}
 295 .if !exists(${.OBJDIR}/${_link})
 296 OBJS_DEPEND_GUESS+=     ${_link}
 297 .endif
 298 .if defined(_MAP_DEBUG_PREFIX)
 299 .if ${_link} == "machine"
 300 CFLAGS+= -fdebug-prefix-map=./machine=${SYSDIR}/${MACHINE}/include
 301 .else
 302 CFLAGS+= -fdebug-prefix-map=./${_link}=${SYSDIR}/${_link}/include
 303 .endif
 304 .endif
 305 .endfor
 306
 307 .NOPATH: ${_ILINKS}
 308
 309 ${_ILINKS}:
 310         @case ${.TARGET} in \
 311         machine) \
 312                 path=${SYSDIR}/${MACHINE}/include ;; \
 313         *) \
 314                 path=${SYSDIR}/${.TARGET:T}/include ;; \
 315         esac ; \
 316         path=`(cd $$path && /bin/pwd)` ; \
 317         ${ECHO} ${.TARGET:T} "->" $$path ; \
 318         ln -fns $$path ${.TARGET:T}
 319
 320 CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS}
 321
 322 .if defined(DEBUG_FLAGS) && ${MK_KERNEL_SYMBOLS} != "no"
 323 CLEANFILES+= ${FULLPROG} ${PROG}.debug
 324 .endif
 325
 326 .if !target(install)
 327
 328 _INSTALLFLAGS:= ${INSTALLFLAGS}
 329 .for ie in ${INSTALLFLAGS_EDIT}
 330 _INSTALLFLAGS:= ${_INSTALLFLAGS${ie}}
 331 .endfor
 332
 333 .if !target(realinstall)
 334 KERN_DEBUGDIR?= ${DEBUGDIR}
 335 realinstall: _kmodinstall
 336 .ORDER: beforeinstall _kmodinstall
 337 _kmodinstall: .PHONY
 338         ${INSTALL} -T release -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
 339             ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR}/
 340 .if defined(DEBUG_FLAGS) && !defined(INSTALL_NODEBUG) && ${MK_KERNEL_SYMBOLS} != "no"
 341         ${INSTALL} -T dbg -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
 342             ${_INSTALLFLAGS} ${PROG}.debug ${DESTDIR}${KERN_DEBUGDIR}${KMODDIR}/
 343 .endif
 344
 345 .include <bsd.links.mk>
 346
 347 .if !defined(NO_XREF)
 348 afterinstall: _kldxref
 349 .ORDER: realinstall _kldxref
 350 .ORDER: _installlinks _kldxref
 351 _kldxref: .PHONY
 352         @if type kldxref >/dev/null 2>&1; then \
 353                 ${ECHO} ${KLDXREF_CMD} ${DESTDIR}${KMODDIR}; \
 354                 ${KLDXREF_CMD} ${DESTDIR}${KMODDIR}; \
 355         fi
 356 .endif
 357 .endif # !target(realinstall)
 358
 359 .endif # !target(install)
 360
 361 .if !target(load)
 362 load: ${PROG} .PHONY
 363         ${KMODLOAD} -v ${.OBJDIR}/${PROG}
 364 .endif
 365
 366 .if !target(unload)
 367 unload: .PHONY
 368         if ${KMODISLOADED} ${PROG} ; then ${KMODUNLOAD} -v ${PROG} ; fi
 369 .endif
 370
 371 .if !target(reload)
 372 reload: unload load .PHONY
 373 .endif
 374
 375 .if defined(KERNBUILDDIR)
 376 .PATH: ${KERNBUILDDIR}
 377 CFLAGS+=        -I${KERNBUILDDIR}
 378 .for _src in ${SRCS:Mopt_*.h}
 379 CLEANFILES+=    ${_src}
 380 .if !target(${_src})
 381 ${_src}:
 382         ln -sf ${KERNBUILDDIR}/${_src} ${.TARGET}
 383 .endif
 384 .endfor
 385 .else
 386 .for _src in ${SRCS:Mopt_*.h}
 387 CLEANFILES+=    ${_src}
 388 .if !target(${_src})
 389 ${_src}:
 390         :> ${.TARGET}
 391 .endif
 392 .endfor
 393 .endif
 394
 395 # Add the sanitizer C flags
 396 CFLAGS+=        ${SAN_CFLAGS}
 397
 398 # Add the gcov flags
 399 CFLAGS+=        ${GCOV_CFLAGS}
 400
 401 # Respect configuration-specific C flags.
 402 CFLAGS+=        ${ARCH_FLAGS} ${CONF_CFLAGS}
 403
 404 .if !empty(SRCS:Mvnode_if.c)
 405 CLEANFILES+=    vnode_if.c
 406 vnode_if.c: ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src
 407         ${AWK} -f ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src -c
 408 .endif
 409
 410 .if !empty(SRCS:Mvnode_if.h)
 411 CLEANFILES+=    vnode_if.h vnode_if_newproto.h vnode_if_typedef.h
 412 vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: ${SYSDIR}/tools/vnode_if.awk \
 413     ${SYSDIR}/kern/vnode_if.src
 414 vnode_if.h: vnode_if_newproto.h vnode_if_typedef.h
 415         ${AWK} -f ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src -h
 416 vnode_if_newproto.h:
 417         ${AWK} -f ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src -p
 418 vnode_if_typedef.h:
 419         ${AWK} -f ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src -q
 420 .endif
 421
 422 # Build _if.[ch] from _if.m, and clean them when we're done.
 423 # __MPATH defined in config.mk
 424 _MFILES=${__MPATH:T:O}
 425 _MPATH=${__MPATH:H:O:u}
 426 .PATH.m: ${_MPATH}
 427 .for _i in ${SRCS:M*_if.[ch]}
 428 _MATCH=M${_i:R:S/$/.m/}
 429 _MATCHES=${_MFILES:${_MATCH}}
 430 .if !empty(_MATCHES)
 431 CLEANFILES+=    ${_i}
 432 .endif
 433 .endfor # _i
 434 .m.c:   ${SYSDIR}/tools/makeobjops.awk
 435         ${AWK} -f ${SYSDIR}/tools/makeobjops.awk ${.IMPSRC} -c
 436
 437 .m.h:   ${SYSDIR}/tools/makeobjops.awk
 438         ${AWK} -f ${SYSDIR}/tools/makeobjops.awk ${.IMPSRC} -h
 439
 440 .for _i in mii pccard
 441 .if !empty(SRCS:M${_i}devs.h)
 442 CLEANFILES+=    ${_i}devs.h
 443 ${_i}devs.h: ${SYSDIR}/tools/${_i}devs2h.awk ${SYSDIR}/dev/${_i}/${_i}devs
 444         ${AWK} -f ${SYSDIR}/tools/${_i}devs2h.awk ${SYSDIR}/dev/${_i}/${_i}devs
 445 .endif
 446 .endfor # _i
 447
 448 .if !empty(SRCS:Mbhnd_nvram_map.h)
 449 CLEANFILES+=    bhnd_nvram_map.h
 450 bhnd_nvram_map.h: ${SYSDIR}/dev/bhnd/tools/nvram_map_gen.awk \
 451     ${SYSDIR}/dev/bhnd/tools/nvram_map_gen.sh \
 452     ${SYSDIR}/dev/bhnd/nvram/nvram_map
 453 bhnd_nvram_map.h:
 454         sh ${SYSDIR}/dev/bhnd/tools/nvram_map_gen.sh \
 455             ${SYSDIR}/dev/bhnd/nvram/nvram_map -h
 456 .endif
 457
 458 .if !empty(SRCS:Mbhnd_nvram_map_data.h)
 459 CLEANFILES+=    bhnd_nvram_map_data.h
 460 bhnd_nvram_map_data.h: ${SYSDIR}/dev/bhnd/tools/nvram_map_gen.awk \
 461     ${SYSDIR}/dev/bhnd/tools/nvram_map_gen.sh \
 462     ${SYSDIR}/dev/bhnd/nvram/nvram_map
 463 bhnd_nvram_map_data.h:
 464         sh ${SYSDIR}/dev/bhnd/tools/nvram_map_gen.sh \
 465             ${SYSDIR}/dev/bhnd/nvram/nvram_map -d
 466 .endif
 467
 468 .if !empty(SRCS:Musbdevs.h)
 469 CLEANFILES+=    usbdevs.h
 470 usbdevs.h: ${SYSDIR}/tools/usbdevs2h.awk ${SYSDIR}/dev/usb/usbdevs
 471         ${AWK} -f ${SYSDIR}/tools/usbdevs2h.awk ${SYSDIR}/dev/usb/usbdevs -h
 472 .endif
 473
 474 .if !empty(SRCS:Musbdevs_data.h)
 475 CLEANFILES+=    usbdevs_data.h
 476 usbdevs_data.h: ${SYSDIR}/tools/usbdevs2h.awk ${SYSDIR}/dev/usb/usbdevs
 477         ${AWK} -f ${SYSDIR}/tools/usbdevs2h.awk ${SYSDIR}/dev/usb/usbdevs -d
 478 .endif
 479
 480 .if !empty(SRCS:Msdiodevs.h)
 481 CLEANFILES+=    sdiodevs.h
 482 sdiodevs.h: ${SYSDIR}/tools/sdiodevs2h.awk ${SYSDIR}/dev/sdio/sdiodevs
 483         ${AWK} -f ${SYSDIR}/tools/sdiodevs2h.awk ${SYSDIR}/dev/sdio/sdiodevs -h
 484 .endif
 485
 486 .if !empty(SRCS:Msdiodevs_data.h)
 487 CLEANFILES+=    sdiodevs_data.h
 488 sdiodevs_data.h: ${SYSDIR}/tools/sdiodevs2h.awk ${SYSDIR}/dev/sdio/sdiodevs
 489         ${AWK} -f ${SYSDIR}/tools/sdiodevs2h.awk ${SYSDIR}/dev/sdio/sdiodevs -d
 490 .endif
 491
 492 .if !empty(SRCS:Macpi_quirks.h)
 493 CLEANFILES+=    acpi_quirks.h
 494 acpi_quirks.h: ${SYSDIR}/tools/acpi_quirks2h.awk ${SYSDIR}/dev/acpica/acpi_quirks
 495         ${AWK} -f ${SYSDIR}/tools/acpi_quirks2h.awk ${SYSDIR}/dev/acpica/acpi_quirks
 496 .endif
 497
 498 .if !empty(SRCS:Massym.inc) || !empty(DPSRCS:Massym.inc)
 499 CLEANFILES+=    assym.inc genassym.o
 500 DEPENDOBJS+=    genassym.o
 501 DPSRCS+=        offset.inc
 502 .endif
 503 .if defined(MODULE_TIED)
 504 DPSRCS+=        offset.inc
 505 .endif
 506 .if !empty(SRCS:Moffset.inc) || !empty(DPSRCS:Moffset.inc)
 507 CLEANFILES+=    offset.inc genoffset.o
 508 DEPENDOBJS+=    genoffset.o
 509 .endif
 510 assym.inc: genassym.o
 511 offset.inc: genoffset.o
 512 assym.inc: ${SYSDIR}/kern/genassym.sh
 513         sh ${SYSDIR}/kern/genassym.sh genassym.o > ${.TARGET}
 514 genassym.o: ${SYSDIR}/${MACHINE}/${MACHINE}/genassym.c offset.inc
 515 genassym.o: ${SRCS:Mopt_*.h}
 516         ${CC} -c ${CFLAGS:N-flto:N-fno-common} -fcommon \
 517             ${SYSDIR}/${MACHINE}/${MACHINE}/genassym.c
 518 offset.inc: ${SYSDIR}/kern/genoffset.sh genoffset.o
 519         sh ${SYSDIR}/kern/genoffset.sh genoffset.o > ${.TARGET}
 520 genoffset.o: ${SYSDIR}/kern/genoffset.c
 521 genoffset.o: ${SRCS:Mopt_*.h}
 522         ${CC} -c ${CFLAGS:N-flto:N-fno-common} -fcommon \
 523             ${SYSDIR}/kern/genoffset.c
 524
 525 CLEANDEPENDFILES+=      ${_ILINKS}
 526 # .depend needs include links so we remove them only together.
 527 cleanilinks:
 528         rm -f ${_ILINKS}
 529
 530 OBJS_DEPEND_GUESS+= ${SRCS:M*.h}
 531 .if defined(KERNBUILDDIR)
 532 OBJS_DEPEND_GUESS+= opt_global.h
 533 .endif
 534
 535 .include <bsd.dep.mk>
 536 .include <bsd.clang-analyze.mk>
 537 .include <bsd.obj.mk>
 538 .include "kern.mk"