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