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         backlight_if.h \
  95         bus_if.h \
  96         device_if.h \
  97         pci_if.h \
  98         pci_iov_if.h \
  99         vnode_if.h \
 100         usb_if.h \
 101         opt_usb.h \
 102         opt_stack.h
 103
 104 CFLAGS+=        ${WERROR}
 105 CFLAGS+=        -D_KERNEL
 106 CFLAGS+=        -DKLD_MODULE
 107 .if defined(MODULE_TIED)
 108 CFLAGS+=        -DKLD_TIED
 109 .endif
 110
 111 # Don't use any standard or source-relative include directories.
 112 NOSTDINC=       -nostdinc
 113 CFLAGS:=        ${CFLAGS:N-I*} ${NOSTDINC} ${INCLMAGIC} ${CFLAGS:M-I*}
 114 .if defined(KERNBUILDDIR)
 115 CFLAGS+=        -DHAVE_KERNEL_OPTION_HEADERS -include ${KERNBUILDDIR}/opt_global.h
 116 .else
 117 SRCS+=          opt_global.h
 118 CFLAGS+=        -include ${.OBJDIR}/opt_global.h
 119 .endif
 120
 121 # Add -I paths for system headers.  Individual module makefiles don't
 122 # need any -I paths for this.  Similar defaults for .PATH can't be
 123 # set because there are no standard paths for non-headers.
 124 CFLAGS+=        -I. -I${SYSDIR} -I${SYSDIR}/contrib/ck/include
 125
 126 CFLAGS.gcc+=    -finline-limit=${INLINE_LIMIT}
 127 CFLAGS.gcc+=    -fms-extensions
 128 CFLAGS.gcc+= --param inline-unit-growth=100
 129 CFLAGS.gcc+= --param large-function-growth=1000
 130
 131 # Disallow common variables, and if we end up with commons from
 132 # somewhere unexpected, allocate storage for them in the module itself.
 133 #
 134 # -fno-common is the default for src builds, but this should be left in place
 135 # until at least we catch up to GCC10/LLVM11 or otherwise enable -fno-common
 136 # in <bsd.sys.mk> instead.  For now, we will have duplicate -fno-common in
 137 # CFLAGS for in-tree module builds as they will also pick it up from
 138 # share/mk/src.sys.mk, but the following is important for out-of-tree modules
 139 # (e.g. ports).
 140 CFLAGS+=        -fno-common
 141 LDFLAGS+=       -d -warn-common
 142
 143 .if defined(LINKER_FEATURES) && ${LINKER_FEATURES:Mbuild-id}
 144 LDFLAGS+=       --build-id=sha1
 145 .endif
 146
 147 CFLAGS+=        ${DEBUG_FLAGS}
 148 .if ${MACHINE_CPUARCH} == amd64
 149 CFLAGS+=        -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer
 150 .endif
 151
 152 .if ${MACHINE_CPUARCH} == "aarch64" || ${MACHINE_CPUARCH} == "riscv" || \
 153     ${MACHINE_CPUARCH} == "powerpc"
 154 CFLAGS+=        -fPIC
 155 .endif
 156
 157 # Temporary workaround for PR 196407, which contains the fascinating details.
 158 # Don't allow clang to use fpu instructions or registers in kernel modules.
 159 .if ${MACHINE_CPUARCH} == arm
 160 CFLAGS.clang+=  -mno-movt
 161 CFLAGS.clang+=  -mfpu=none
 162 CFLAGS+=        -funwind-tables
 163 .endif
 164
 165 .if ${MACHINE_CPUARCH} == powerpc
 166 CFLAGS+=        -mlongcall -fno-omit-frame-pointer
 167 .if ${LINKER_TYPE} == "lld"
 168 # TOC optimization in LLD (9.0) currently breaks kernel modules, so disable it
 169 LDFLAGS+=       --no-toc-optimize
 170 .endif
 171 .endif
 172
 173 .if ${MACHINE_CPUARCH} == mips
 174 CFLAGS+=        -G0 -fno-pic -mno-abicalls -mlong-calls
 175 .endif
 176
 177 .if defined(DEBUG) || defined(DEBUG_FLAGS)
 178 CTFFLAGS+=      -g
 179 .endif
 180
 181 .if defined(FIRMWS)
 182 ${KMOD:S/$/.c/}: ${SYSDIR}/tools/fw_stub.awk
 183         ${AWK} -f ${SYSDIR}/tools/fw_stub.awk ${FIRMWS} -m${KMOD} -c${KMOD:S/$/.c/g} \
 184             ${FIRMWARE_LICENSE:C/.+/-l/}${FIRMWARE_LICENSE}
 185
 186 SRCS+=  ${KMOD:S/$/.c/}
 187 CLEANFILES+=    ${KMOD:S/$/.c/}
 188
 189 .for _firmw in ${FIRMWS}
 190 ${_firmw:C/\:.*$/.fwo/:T}:      ${_firmw:C/\:.*$//} ${SYSDIR}/kern/firmw.S
 191         @${ECHO} ${_firmw:C/\:.*$//} ${.ALLSRC:M*${_firmw:C/\:.*$//}}
 192         ${CC:N${CCACHE_BIN}} -c -x assembler-with-cpp -DLOCORE  \
 193             ${CFLAGS} ${WERROR}                                 \
 194             -DFIRMW_FILE="${.ALLSRC:M*${_firmw:C/\:.*$//}}"     \
 195             -DFIRMW_SYMBOL="${_firmw:C/\:.*$//:C/[-.\/]/_/g}"   \
 196             ${SYSDIR}/kern/firmw.S -o ${.TARGET}
 197
 198 OBJS+=  ${_firmw:C/\:.*$/.fwo/:T}
 199 .endfor
 200 .endif
 201
 202 # Conditionally include SRCS based on kernel config options.
 203 .for _o in ${KERN_OPTS}
 204 SRCS+=${SRCS.${_o}}
 205 .endfor
 206
 207 OBJS+=  ${SRCS:N*.h:R:S/$/.o/g}
 208
 209 .if !defined(PROG)
 210 PROG=   ${KMOD}.ko
 211 .endif
 212
 213 .if !defined(DEBUG_FLAGS) || ${MK_KERNEL_SYMBOLS} == "no"
 214 FULLPROG=       ${PROG}
 215 .else
 216 FULLPROG=       ${PROG}.full
 217 ${PROG}: ${FULLPROG} ${PROG}.debug
 218         ${OBJCOPY} --strip-debug --add-gnu-debuglink=${PROG}.debug \
 219             ${FULLPROG} ${.TARGET}
 220 ${PROG}.debug: ${FULLPROG}
 221         ${OBJCOPY} --only-keep-debug ${FULLPROG} ${.TARGET}
 222 .endif
 223
 224 .if ${__KLD_SHARED} == yes
 225 ${FULLPROG}: ${KMOD}.kld
 226         ${LD} -m ${LD_EMULATION} -Bshareable -znotext -znorelro ${_LDFLAGS} \
 227             -o ${.TARGET} ${KMOD}.kld
 228 .if !defined(DEBUG_FLAGS)
 229         ${OBJCOPY} --strip-debug ${.TARGET}
 230 .endif
 231 .endif
 232
 233 EXPORT_SYMS?=   NO
 234 .if ${EXPORT_SYMS} != YES
 235 CLEANFILES+=    export_syms
 236 .endif
 237
 238 .if exists(${SYSDIR}/conf/ldscript.kmod.${MACHINE_ARCH})
 239 LDSCRIPT_FLAGS?= -T ${SYSDIR}/conf/ldscript.kmod.${MACHINE_ARCH}
 240 .endif
 241
 242 .if ${__KLD_SHARED} == yes
 243 ${KMOD}.kld: ${OBJS}
 244 .else
 245 ${FULLPROG}: ${OBJS}
 246 .endif
 247         ${LD} -m ${LD_EMULATION} ${_LDFLAGS} ${LDSCRIPT_FLAGS} -r -d \
 248             -o ${.TARGET} ${OBJS}
 249 .if ${MK_CTF} != "no"
 250         ${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${OBJS}
 251 .endif
 252 .if defined(EXPORT_SYMS)
 253 .if ${EXPORT_SYMS} != YES
 254 .if ${EXPORT_SYMS} == NO
 255         :> export_syms
 256 .elif !exists(${.CURDIR}/${EXPORT_SYMS})
 257         echo -n "${EXPORT_SYMS:@s@$s${.newline}@}" > export_syms
 258 .else
 259         grep -v '^#' < ${EXPORT_SYMS} > export_syms
 260 .endif
 261         ${AWK} -f ${SYSDIR}/conf/kmod_syms.awk ${.TARGET} \
 262             export_syms | xargs -J% ${OBJCOPY} % ${.TARGET}
 263 .endif
 264 .endif # defined(EXPORT_SYMS)
 265 .if defined(PREFIX_SYMS)
 266         ${AWK} -v prefix=${PREFIX_SYMS} -f ${SYSDIR}/conf/kmod_syms_prefix.awk \
 267             ${.TARGET} /dev/null | xargs -J% ${OBJCOPY} % ${.TARGET}
 268 .endif
 269 .if !defined(DEBUG_FLAGS) && ${__KLD_SHARED} == no
 270         ${OBJCOPY} --strip-debug ${.TARGET}
 271 .endif
 272
 273 _MAP_DEBUG_PREFIX= yes
 274
 275 _ILINKS=machine
 276 .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
 277 _ILINKS+=x86
 278 .endif
 279 CLEANFILES+=${_ILINKS}
 280
 281 all: ${PROG}
 282
 283 beforedepend: ${_ILINKS}
 284 beforebuild: ${_ILINKS}
 285
 286 # Ensure that the links exist without depending on it when it exists which
 287 # causes all the modules to be rebuilt when the directory pointed to changes.
 288 # Ensure that debug info references the path in the source tree.
 289 .for _link in ${_ILINKS}
 290 .if !exists(${.OBJDIR}/${_link})
 291 OBJS_DEPEND_GUESS+=     ${_link}
 292 .endif
 293 .if defined(_MAP_DEBUG_PREFIX)
 294 .if ${_link} == "machine"
 295 CFLAGS+= -fdebug-prefix-map=./machine=${SYSDIR}/${MACHINE}/include
 296 .else
 297 CFLAGS+= -fdebug-prefix-map=./${_link}=${SYSDIR}/${_link}/include
 298 .endif
 299 .endif
 300 .endfor
 301
 302 .NOPATH: ${_ILINKS}
 303
 304 ${_ILINKS}:
 305         @case ${.TARGET} in \
 306         machine) \
 307                 path=${SYSDIR}/${MACHINE}/include ;; \
 308         *) \
 309                 path=${SYSDIR}/${.TARGET:T}/include ;; \
 310         esac ; \
 311         path=`(cd $$path && /bin/pwd)` ; \
 312         ${ECHO} ${.TARGET:T} "->" $$path ; \
 313         ln -fns $$path ${.TARGET:T}
 314
 315 CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS}
 316
 317 .if defined(DEBUG_FLAGS) && ${MK_KERNEL_SYMBOLS} != "no"
 318 CLEANFILES+= ${FULLPROG} ${PROG}.debug
 319 .endif
 320
 321 .if !target(install)
 322
 323 _INSTALLFLAGS:= ${INSTALLFLAGS}
 324 .for ie in ${INSTALLFLAGS_EDIT}
 325 _INSTALLFLAGS:= ${_INSTALLFLAGS${ie}}
 326 .endfor
 327
 328 .if !target(realinstall)
 329 KERN_DEBUGDIR?= ${DEBUGDIR}
 330 realinstall: _kmodinstall
 331 .ORDER: beforeinstall _kmodinstall
 332 _kmodinstall: .PHONY
 333         ${INSTALL} -T release -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
 334             ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR}/
 335 .if defined(DEBUG_FLAGS) && !defined(INSTALL_NODEBUG) && ${MK_KERNEL_SYMBOLS} != "no"
 336         ${INSTALL} -T dbg -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
 337             ${_INSTALLFLAGS} ${PROG}.debug ${DESTDIR}${KERN_DEBUGDIR}${KMODDIR}/
 338 .endif
 339
 340 .include <bsd.links.mk>
 341
 342 .if !defined(NO_XREF)
 343 afterinstall: _kldxref
 344 .ORDER: realinstall _kldxref
 345 .ORDER: _installlinks _kldxref
 346 _kldxref: .PHONY
 347         @if type kldxref >/dev/null 2>&1; then \
 348                 ${ECHO} ${KLDXREF_CMD} ${DESTDIR}${KMODDIR}; \
 349                 ${KLDXREF_CMD} ${DESTDIR}${KMODDIR}; \
 350         fi
 351 .endif
 352 .endif # !target(realinstall)
 353
 354 .endif # !target(install)
 355
 356 .if !target(load)
 357 load: ${PROG} .PHONY
 358         ${KMODLOAD} -v ${.OBJDIR}/${PROG}
 359 .endif
 360
 361 .if !target(unload)
 362 unload: .PHONY
 363         if ${KMODISLOADED} ${PROG} ; then ${KMODUNLOAD} -v ${PROG} ; fi
 364 .endif
 365
 366 .if !target(reload)
 367 reload: unload load .PHONY
 368 .endif
 369
 370 .if defined(KERNBUILDDIR)
 371 .PATH: ${KERNBUILDDIR}
 372 CFLAGS+=        -I${KERNBUILDDIR}
 373 .for _src in ${SRCS:Mopt_*.h}
 374 CLEANFILES+=    ${_src}
 375 .if !target(${_src})
 376 ${_src}:
 377         ln -sf ${KERNBUILDDIR}/${_src} ${.TARGET}
 378 .endif
 379 .endfor
 380 .else
 381 .for _src in ${SRCS:Mopt_*.h}
 382 CLEANFILES+=    ${_src}
 383 .if !target(${_src})
 384 ${_src}:
 385         :> ${.TARGET}
 386 .endif
 387 .endfor
 388 .endif
 389
 390 # Add the sanitizer C flags
 391 CFLAGS+=        ${SAN_CFLAGS}
 392
 393 # Add the gcov flags
 394 CFLAGS+=        ${GCOV_CFLAGS}
 395
 396 # Respect configuration-specific C flags.
 397 CFLAGS+=        ${ARCH_FLAGS} ${CONF_CFLAGS}
 398
 399 .if !empty(SRCS:Mvnode_if.c)
 400 CLEANFILES+=    vnode_if.c
 401 vnode_if.c: ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src
 402         ${AWK} -f ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src -c
 403 .endif
 404
 405 .if !empty(SRCS:Mvnode_if.h)
 406 CLEANFILES+=    vnode_if.h vnode_if_newproto.h vnode_if_typedef.h
 407 vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: ${SYSDIR}/tools/vnode_if.awk \
 408     ${SYSDIR}/kern/vnode_if.src
 409 vnode_if.h: vnode_if_newproto.h vnode_if_typedef.h
 410         ${AWK} -f ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src -h
 411 vnode_if_newproto.h:
 412         ${AWK} -f ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src -p
 413 vnode_if_typedef.h:
 414         ${AWK} -f ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src -q
 415 .endif
 416
 417 # Build _if.[ch] from _if.m, and clean them when we're done.
 418 # __MPATH defined in config.mk
 419 _MFILES=${__MPATH:T:O}
 420 _MPATH=${__MPATH:H:O:u}
 421 .PATH.m: ${_MPATH}
 422 .for _i in ${SRCS:M*_if.[ch]}
 423 _MATCH=M${_i:R:S/$/.m/}
 424 _MATCHES=${_MFILES:${_MATCH}}
 425 .if !empty(_MATCHES)
 426 CLEANFILES+=    ${_i}
 427 .endif
 428 .endfor # _i
 429 .m.c:   ${SYSDIR}/tools/makeobjops.awk
 430         ${AWK} -f ${SYSDIR}/tools/makeobjops.awk ${.IMPSRC} -c
 431
 432 .m.h:   ${SYSDIR}/tools/makeobjops.awk
 433         ${AWK} -f ${SYSDIR}/tools/makeobjops.awk ${.IMPSRC} -h
 434
 435 .for _i in mii pccard
 436 .if !empty(SRCS:M${_i}devs.h)
 437 CLEANFILES+=    ${_i}devs.h
 438 ${_i}devs.h: ${SYSDIR}/tools/${_i}devs2h.awk ${SYSDIR}/dev/${_i}/${_i}devs
 439         ${AWK} -f ${SYSDIR}/tools/${_i}devs2h.awk ${SYSDIR}/dev/${_i}/${_i}devs
 440 .endif
 441 .endfor # _i
 442
 443 .if !empty(SRCS:Mbhnd_nvram_map.h)
 444 CLEANFILES+=    bhnd_nvram_map.h
 445 bhnd_nvram_map.h: ${SYSDIR}/dev/bhnd/tools/nvram_map_gen.awk \
 446     ${SYSDIR}/dev/bhnd/tools/nvram_map_gen.sh \
 447     ${SYSDIR}/dev/bhnd/nvram/nvram_map
 448 bhnd_nvram_map.h:
 449         sh ${SYSDIR}/dev/bhnd/tools/nvram_map_gen.sh \
 450             ${SYSDIR}/dev/bhnd/nvram/nvram_map -h
 451 .endif
 452
 453 .if !empty(SRCS:Mbhnd_nvram_map_data.h)
 454 CLEANFILES+=    bhnd_nvram_map_data.h
 455 bhnd_nvram_map_data.h: ${SYSDIR}/dev/bhnd/tools/nvram_map_gen.awk \
 456     ${SYSDIR}/dev/bhnd/tools/nvram_map_gen.sh \
 457     ${SYSDIR}/dev/bhnd/nvram/nvram_map
 458 bhnd_nvram_map_data.h:
 459         sh ${SYSDIR}/dev/bhnd/tools/nvram_map_gen.sh \
 460             ${SYSDIR}/dev/bhnd/nvram/nvram_map -d
 461 .endif
 462
 463 .if !empty(SRCS:Musbdevs.h)
 464 CLEANFILES+=    usbdevs.h
 465 usbdevs.h: ${SYSDIR}/tools/usbdevs2h.awk ${SYSDIR}/dev/usb/usbdevs
 466         ${AWK} -f ${SYSDIR}/tools/usbdevs2h.awk ${SYSDIR}/dev/usb/usbdevs -h
 467 .endif
 468
 469 .if !empty(SRCS:Musbdevs_data.h)
 470 CLEANFILES+=    usbdevs_data.h
 471 usbdevs_data.h: ${SYSDIR}/tools/usbdevs2h.awk ${SYSDIR}/dev/usb/usbdevs
 472         ${AWK} -f ${SYSDIR}/tools/usbdevs2h.awk ${SYSDIR}/dev/usb/usbdevs -d
 473 .endif
 474
 475 .if !empty(SRCS:Msdiodevs.h)
 476 CLEANFILES+=    sdiodevs.h
 477 sdiodevs.h: ${SYSDIR}/tools/sdiodevs2h.awk ${SYSDIR}/dev/sdio/sdiodevs
 478         ${AWK} -f ${SYSDIR}/tools/sdiodevs2h.awk ${SYSDIR}/dev/sdio/sdiodevs -h
 479 .endif
 480
 481 .if !empty(SRCS:Msdiodevs_data.h)
 482 CLEANFILES+=    sdiodevs_data.h
 483 sdiodevs_data.h: ${SYSDIR}/tools/sdiodevs2h.awk ${SYSDIR}/dev/sdio/sdiodevs
 484         ${AWK} -f ${SYSDIR}/tools/sdiodevs2h.awk ${SYSDIR}/dev/sdio/sdiodevs -d
 485 .endif
 486
 487 .if !empty(SRCS:Macpi_quirks.h)
 488 CLEANFILES+=    acpi_quirks.h
 489 acpi_quirks.h: ${SYSDIR}/tools/acpi_quirks2h.awk ${SYSDIR}/dev/acpica/acpi_quirks
 490         ${AWK} -f ${SYSDIR}/tools/acpi_quirks2h.awk ${SYSDIR}/dev/acpica/acpi_quirks
 491 .endif
 492
 493 .if !empty(SRCS:Massym.inc) || !empty(DPSRCS:Massym.inc)
 494 CLEANFILES+=    assym.inc genassym.o
 495 DEPENDOBJS+=    genassym.o
 496 DPSRCS+=        offset.inc
 497 .endif
 498 .if defined(MODULE_TIED)
 499 DPSRCS+=        offset.inc
 500 .endif
 501 .if !empty(SRCS:Moffset.inc) || !empty(DPSRCS:Moffset.inc)
 502 CLEANFILES+=    offset.inc genoffset.o
 503 DEPENDOBJS+=    genoffset.o
 504 .endif
 505 assym.inc: genassym.o
 506 offset.inc: genoffset.o
 507 assym.inc: ${SYSDIR}/kern/genassym.sh
 508         sh ${SYSDIR}/kern/genassym.sh genassym.o > ${.TARGET}
 509 genassym.o: ${SYSDIR}/${MACHINE}/${MACHINE}/genassym.c offset.inc
 510 genassym.o: ${SRCS:Mopt_*.h}
 511         ${CC} -c ${CFLAGS:N-flto:N-fno-common} -fcommon \
 512             ${SYSDIR}/${MACHINE}/${MACHINE}/genassym.c
 513 offset.inc: ${SYSDIR}/kern/genoffset.sh genoffset.o
 514         sh ${SYSDIR}/kern/genoffset.sh genoffset.o > ${.TARGET}
 515 genoffset.o: ${SYSDIR}/kern/genoffset.c
 516 genoffset.o: ${SRCS:Mopt_*.h}
 517         ${CC} -c ${CFLAGS:N-flto:N-fno-common} -fcommon \
 518             ${SYSDIR}/kern/genoffset.c
 519
 520 CLEANDEPENDFILES+=      ${_ILINKS}
 521 # .depend needs include links so we remove them only together.
 522 cleanilinks:
 523         rm -f ${_ILINKS}
 524
 525 OBJS_DEPEND_GUESS+= ${SRCS:M*.h}
 526 .if defined(KERNBUILDDIR)
 527 OBJS_DEPEND_GUESS+= opt_global.h
 528 .endif
 529
 530 ZINCDIR=${SYSDIR}/contrib/openzfs/include
 531 OPENZFS_CFLAGS=     \
 532         -D_SYS_VMEM_H_  \
 533         -D__KERNEL__ \
 534         -nostdinc \
 535         -DSMP \
 536         -I${ZINCDIR}  \
 537         -I${ZINCDIR}/os/freebsd \
 538         -I${ZINCDIR}/os/freebsd/spl \
 539         -I${ZINCDIR}/os/freebsd/zfs \
 540         -I${SYSDIR}/cddl/compat/opensolaris \
 541         -I${SYSDIR}/cddl/contrib/opensolaris/uts/common \
 542         -include ${ZINCDIR}/os/freebsd/spl/sys/ccompile.h
 543
 544
 545 .include <bsd.dep.mk>
 546 .include <bsd.clang-analyze.mk>
 547 .include <bsd.obj.mk>
 548 .include "kern.mk"