]> CyberLeo.Net >> Repos - FreeBSD/FreeBSD.git/blob - sys/conf/kmod.mk
MFV: less v608
[FreeBSD/FreeBSD.git] / 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  Set to the location of the kernel build directory where
48 #               the opt_*.h files, .o's and kernel winds up.
49 #
50 # BLOB_OBJS     Prebuilt binary blobs .o's from the src tree to be linked into
51 #               the module. These are precious and not removed in make clean.
52 #
53 # +++ targets +++
54 #
55 #       install:
56 #               install the kernel module; if the Makefile
57 #               does not itself define the target install, the targets
58 #               beforeinstall and afterinstall may also be used to cause
59 #               actions immediately before and after the install target
60 #               is executed.
61 #
62 #       load:
63 #               Load a module.
64 #
65 #       unload:
66 #               Unload a module.
67 #
68 #       reload:
69 #               Unload if loaded, then load.
70 #
71
72 AWK?=           awk
73 KMODLOAD?=      /sbin/kldload
74 KMODUNLOAD?=    /sbin/kldunload
75 KMODISLOADED?=  /sbin/kldstat -q -n
76 OBJCOPY?=       objcopy
77
78 .include "kmod.opts.mk"
79 .include <bsd.sysdir.mk>
80
81 .SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S .m
82
83 # amd64 uses direct linking for kmod, all others use shared binaries
84 .if ${MACHINE_CPUARCH} != amd64
85 __KLD_SHARED=yes
86 .else
87 __KLD_SHARED=no
88 .endif
89
90 .if !empty(CFLAGS:M-O[23s]) && empty(CFLAGS:M-fno-strict-aliasing)
91 CFLAGS+=        -fno-strict-aliasing
92 .endif
93 WERROR?=        -Werror
94
95 LINUXKPI_GENSRCS+= \
96         backlight_if.h \
97         bus_if.h \
98         device_if.h \
99         iicbus_if.h \
100         iicbb_if.h \
101         lkpi_iic_if.c \
102         lkpi_iic_if.h \
103         pci_if.h \
104         pci_iov_if.h \
105         pcib_if.h \
106         vnode_if.h \
107         usb_if.h \
108         opt_usb.h \
109         opt_stack.h
110
111 CFLAGS+=        ${WERROR}
112 CFLAGS+=        -D_KERNEL
113 CFLAGS+=        -DKLD_MODULE
114 .if defined(MODULE_TIED)
115 CFLAGS+=        -DKLD_TIED
116 .endif
117
118 # Don't use any standard or source-relative include directories.
119 NOSTDINC=       -nostdinc
120 CFLAGS:=        ${CFLAGS:N-I*} ${NOSTDINC} ${INCLMAGIC} ${CFLAGS:M-I*}
121 .if defined(KERNBUILDDIR)
122 CFLAGS+=        -DHAVE_KERNEL_OPTION_HEADERS -include ${KERNBUILDDIR}/opt_global.h
123 .else
124 SRCS+=          opt_global.h
125 CFLAGS+=        -include ${.OBJDIR}/opt_global.h
126 .endif
127
128 # Add -I paths for system headers.  Individual module makefiles don't
129 # need any -I paths for this.  Similar defaults for .PATH can't be
130 # set because there are no standard paths for non-headers.
131 CFLAGS+=        -I. -I${SYSDIR} -I${SYSDIR}/contrib/ck/include
132
133 CFLAGS.gcc+=    -finline-limit=${INLINE_LIMIT}
134 CFLAGS.gcc+=    -fms-extensions
135 CFLAGS.gcc+= --param inline-unit-growth=100
136 CFLAGS.gcc+= --param large-function-growth=1000
137
138 # Disallow common variables, and if we end up with commons from
139 # somewhere unexpected, allocate storage for them in the module itself.
140 #
141 # -fno-common is the default for src builds, but this should be left in place
142 # until at least we catch up to GCC10/LLVM11 or otherwise enable -fno-common
143 # in <bsd.sys.mk> instead.  For now, we will have duplicate -fno-common in
144 # CFLAGS for in-tree module builds as they will also pick it up from
145 # share/mk/src.sys.mk, but the following is important for out-of-tree modules
146 # (e.g. ports).
147 CFLAGS+=        -fno-common
148 .if ${LINKER_TYPE} != "lld" || ${LINKER_VERSION} < 140000
149 # lld >= 14 warns that -d is deprecated, and will be removed.
150 LDFLAGS+=       -d
151 .endif
152 LDFLAGS+=       -warn-common
153
154 .if defined(LINKER_FEATURES) && ${LINKER_FEATURES:Mbuild-id}
155 LDFLAGS+=       --build-id=sha1
156 .endif
157
158 CFLAGS+=        ${DEBUG_FLAGS}
159 .if ${MACHINE_CPUARCH} == aarch64 || ${MACHINE_CPUARCH} == amd64
160 CFLAGS+=        -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer
161 .endif
162
163 .if ${MACHINE_CPUARCH} == "aarch64" || ${MACHINE_CPUARCH} == "riscv" || \
164     ${MACHINE_CPUARCH} == "powerpc"
165 CFLAGS+=        -fPIC
166 .endif
167
168 # Temporary workaround for PR 196407, which contains the fascinating details.
169 # Don't allow clang to use fpu instructions or registers in kernel modules.
170 .if ${MACHINE_CPUARCH} == arm
171 CFLAGS.clang+=  -mno-movt
172 CFLAGS.clang+=  -mfpu=none
173 CFLAGS+=        -funwind-tables
174 .endif
175
176 .if ${MACHINE_CPUARCH} == powerpc
177 CFLAGS+=        -mlongcall -fno-omit-frame-pointer
178 .if ${LINKER_TYPE} == "lld"
179 # TOC optimization in LLD (9.0) currently breaks kernel modules, so disable it
180 LDFLAGS+=       --no-toc-optimize
181 .endif
182 .endif
183
184 .if defined(DEBUG) || defined(DEBUG_FLAGS)
185 CTFFLAGS+=      -g
186 .endif
187
188 .if defined(FIRMWS)
189 ${KMOD:S/$/.c/}: ${SYSDIR}/tools/fw_stub.awk
190         ${AWK} -f ${SYSDIR}/tools/fw_stub.awk ${FIRMWS} -m${KMOD} -c${KMOD:S/$/.c/g} \
191             ${FIRMWARE_LICENSE:C/.+/-l/}${FIRMWARE_LICENSE}
192
193 SRCS+=  ${KMOD:S/$/.c/}
194 CLEANFILES+=    ${KMOD:S/$/.c/}
195
196 .for _firmw in ${FIRMWS}
197 ${_firmw:C/\:.*$/.fwo/:T}:      ${_firmw:C/\:.*$//} ${SYSDIR}/kern/firmw.S
198         @${ECHO} ${_firmw:C/\:.*$//} ${.ALLSRC:M*${_firmw:C/\:.*$//}}
199         ${CC:N${CCACHE_BIN}} -c -x assembler-with-cpp -DLOCORE  \
200             ${CFLAGS} ${WERROR}                                 \
201             -DFIRMW_FILE="${.ALLSRC:M*${_firmw:C/\:.*$//}}"     \
202             -DFIRMW_SYMBOL="${_firmw:C/\:.*$//:C/[-.\/@]/_/g}"  \
203             ${SYSDIR}/kern/firmw.S -o ${.TARGET}
204
205 OBJS+=  ${_firmw:C/\:.*$/.fwo/:T}
206 .endfor
207 .endif
208
209 # Conditionally include SRCS based on kernel config options.
210 .for _o in ${KERN_OPTS}
211 SRCS+=${SRCS.${_o}}
212 .endfor
213
214 OBJS+=  ${SRCS:N*.h:R:S/$/.o/g}
215
216 .if !defined(PROG)
217 PROG=   ${KMOD}.ko
218 .endif
219
220 .if !defined(DEBUG_FLAGS) || ${MK_SPLIT_KERNEL_DEBUG} == "no"
221 FULLPROG=       ${PROG}
222 .else
223 FULLPROG=       ${PROG}.full
224 ${PROG}: ${FULLPROG} ${PROG}.debug
225         ${OBJCOPY} --strip-debug --add-gnu-debuglink=${PROG}.debug \
226             ${FULLPROG} ${.TARGET}
227 ${PROG}.debug: ${FULLPROG}
228         ${OBJCOPY} --only-keep-debug ${FULLPROG} ${.TARGET}
229 .endif
230
231 .if ${__KLD_SHARED} == yes
232 ${FULLPROG}: ${KMOD}.kld
233         ${LD} -m ${LD_EMULATION} -Bshareable -znotext -znorelro ${_LDFLAGS} \
234             -o ${.TARGET} ${KMOD}.kld
235 .if !defined(DEBUG_FLAGS)
236         ${OBJCOPY} --strip-debug ${.TARGET}
237 .endif
238 .endif
239
240 EXPORT_SYMS?=   NO
241 .if ${EXPORT_SYMS} != YES
242 CLEANFILES+=    export_syms
243 .endif
244
245 .if exists(${SYSDIR}/conf/ldscript.kmod.${MACHINE})
246 LDSCRIPT_FLAGS?= -T ${SYSDIR}/conf/ldscript.kmod.${MACHINE}
247 .endif
248
249 .if ${__KLD_SHARED} == yes
250 ${KMOD}.kld: ${OBJS} ${BLOB_OBJS}
251 .else
252 ${FULLPROG}: ${OBJS} ${BLOB_OBJS}
253 .endif
254         ${LD} -m ${LD_EMULATION} ${_LDFLAGS} ${LDSCRIPT_FLAGS} -r \
255             -o ${.TARGET} ${OBJS} ${BLOB_OBJS}
256 .if ${MK_CTF} != "no"
257         ${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${OBJS} ${BLOB_OBJS}
258 .endif
259 .if defined(EXPORT_SYMS)
260 .if ${EXPORT_SYMS} != YES
261 .if ${EXPORT_SYMS} == NO
262         :> export_syms
263 .elif !exists(${.CURDIR}/${EXPORT_SYMS})
264         echo -n "${EXPORT_SYMS:@s@$s${.newline}@}" > export_syms
265 .else
266         grep -v '^#' < ${EXPORT_SYMS} > export_syms
267 .endif
268         ${AWK} -f ${SYSDIR}/conf/kmod_syms.awk ${.TARGET} \
269             export_syms | xargs -J% ${OBJCOPY} % ${.TARGET}
270 .endif
271 .endif # defined(EXPORT_SYMS)
272 .if defined(PREFIX_SYMS)
273         ${AWK} -v prefix=${PREFIX_SYMS} -f ${SYSDIR}/conf/kmod_syms_prefix.awk \
274             ${.TARGET} /dev/null | xargs -J% ${OBJCOPY} % ${.TARGET}
275 .endif
276 .if !defined(DEBUG_FLAGS) && ${__KLD_SHARED} == no
277         ${OBJCOPY} --strip-debug ${.TARGET}
278 .endif
279
280 _MAP_DEBUG_PREFIX= yes
281
282 _ILINKS=machine
283 .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
284 _ILINKS+=x86
285 .endif
286 .if ${MACHINE_CPUARCH} == "amd64"
287 _ILINKS+=i386
288 .endif
289 CLEANFILES+=${_ILINKS}
290
291 all: ${PROG}
292
293 beforedepend: ${_ILINKS}
294 beforebuild: ${_ILINKS}
295
296 # Ensure that the links exist without depending on it when it exists which
297 # causes all the modules to be rebuilt when the directory pointed to changes.
298 # Ensure that debug info references the path in the source tree.
299 .for _link in ${_ILINKS}
300 .if !exists(${.OBJDIR}/${_link})
301 OBJS_DEPEND_GUESS+=     ${_link}
302 .endif
303 .if defined(_MAP_DEBUG_PREFIX)
304 .if ${_link} == "machine"
305 CFLAGS+= -fdebug-prefix-map=./machine=${SYSDIR}/${MACHINE}/include
306 .else
307 CFLAGS+= -fdebug-prefix-map=./${_link}=${SYSDIR}/${_link}/include
308 .endif
309 .endif
310 .endfor
311
312 .NOPATH: ${_ILINKS}
313
314 ${_ILINKS}:
315         @case ${.TARGET} in \
316         machine) \
317                 path=${SYSDIR}/${MACHINE}/include ;; \
318         *) \
319                 path=${SYSDIR}/${.TARGET:T}/include ;; \
320         esac ; \
321         path=`realpath $$path`; \
322         ${ECHO} ${.TARGET:T} "->" $$path ; \
323         ln -fns $$path ${.TARGET:T}
324
325 CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS}
326
327 .if defined(DEBUG_FLAGS) && ${MK_SPLIT_KERNEL_DEBUG} != "no"
328 CLEANFILES+= ${FULLPROG} ${PROG}.debug
329 .endif
330
331 .if !target(install)
332
333 _INSTALLFLAGS:= ${INSTALLFLAGS}
334 .for ie in ${INSTALLFLAGS_EDIT}
335 _INSTALLFLAGS:= ${_INSTALLFLAGS${ie}}
336 .endfor
337
338 .if !target(realinstall)
339 KERN_DEBUGDIR?= ${DEBUGDIR}
340 realinstall: _kmodinstall
341 .ORDER: beforeinstall _kmodinstall
342 _kmodinstall: .PHONY
343         ${INSTALL} -T release -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
344             ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR}/
345 .if defined(DEBUG_FLAGS) && !defined(INSTALL_NODEBUG) && ${MK_KERNEL_SYMBOLS} != "no"
346         ${INSTALL} -T dbg -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
347             ${_INSTALLFLAGS} ${PROG}.debug ${DESTDIR}${KERN_DEBUGDIR}${KMODDIR}/
348 .endif
349
350 .include <bsd.links.mk>
351
352 .if !defined(NO_XREF)
353 afterinstall: _kldxref
354 .ORDER: realinstall _kldxref
355 .ORDER: _installlinks _kldxref
356 _kldxref: .PHONY
357         @if type kldxref >/dev/null 2>&1; then \
358                 ${ECHO} ${KLDXREF_CMD} ${DESTDIR}${KMODDIR}; \
359                 ${KLDXREF_CMD} ${DESTDIR}${KMODDIR}; \
360         fi
361 .endif
362 .endif # !target(realinstall)
363
364 .endif # !target(install)
365
366 .if !target(load)
367 load: ${PROG} .PHONY
368         ${KMODLOAD} -v ${.OBJDIR}/${PROG}
369 .endif
370
371 .if !target(unload)
372 unload: .PHONY
373         if ${KMODISLOADED} ${PROG} ; then ${KMODUNLOAD} -v ${PROG} ; fi
374 .endif
375
376 .if !target(reload)
377 reload: unload load .PHONY
378 .endif
379
380 .if defined(KERNBUILDDIR)
381 .PATH: ${KERNBUILDDIR}
382 CFLAGS+=        -I${KERNBUILDDIR}
383 .for _src in ${SRCS:Mopt_*.h}
384 CLEANFILES+=    ${_src}
385 .if !target(${_src})
386 ${_src}:
387         ln -sf ${KERNBUILDDIR}/${_src} ${.TARGET}
388 .endif
389 .endfor
390 .else
391 .for _src in ${SRCS:Mopt_*.h}
392 CLEANFILES+=    ${_src}
393 .if !target(${_src})
394 ${_src}:
395         :> ${.TARGET}
396 .endif
397 .endfor
398 .endif
399
400 # Add the sanitizer C flags
401 CFLAGS+=        ${SAN_CFLAGS}
402
403 # Add the gcov flags
404 CFLAGS+=        ${GCOV_CFLAGS}
405
406 # Respect configuration-specific C flags.
407 CFLAGS+=        ${ARCH_FLAGS} ${CONF_CFLAGS}
408
409 .if !empty(SRCS:Mvnode_if.c)
410 CLEANFILES+=    vnode_if.c
411 vnode_if.c: ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src
412         ${AWK} -f ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src -c
413 .endif
414
415 .if !empty(SRCS:Mvnode_if.h)
416 CLEANFILES+=    vnode_if.h vnode_if_newproto.h vnode_if_typedef.h
417 vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: ${SYSDIR}/tools/vnode_if.awk \
418     ${SYSDIR}/kern/vnode_if.src
419 vnode_if.h: vnode_if_newproto.h vnode_if_typedef.h
420         ${AWK} -f ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src -h
421 vnode_if_newproto.h:
422         ${AWK} -f ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src -p
423 vnode_if_typedef.h:
424         ${AWK} -f ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src -q
425 .endif
426
427 # Build _if.[ch] from _if.m, and clean them when we're done.
428 # __MPATH defined in config.mk
429 _MFILES=${__MPATH:T:O}
430 _MPATH=${__MPATH:H:O:u}
431 .PATH.m: ${_MPATH}
432 .for _i in ${SRCS:M*_if.[ch]}
433 _MATCH=M${_i:R:S/$/.m/}
434 _MATCHES=${_MFILES:${_MATCH}}
435 .if !empty(_MATCHES)
436 CLEANFILES+=    ${_i}
437 .endif
438 .endfor # _i
439 .m.c:   ${SYSDIR}/tools/makeobjops.awk
440         ${AWK} -f ${SYSDIR}/tools/makeobjops.awk ${.IMPSRC} -c
441
442 .m.h:   ${SYSDIR}/tools/makeobjops.awk
443         ${AWK} -f ${SYSDIR}/tools/makeobjops.awk ${.IMPSRC} -h
444
445 .for _i in mii pccard
446 .if !empty(SRCS:M${_i}devs.h)
447 CLEANFILES+=    ${_i}devs.h
448 ${_i}devs.h: ${SYSDIR}/tools/${_i}devs2h.awk ${SYSDIR}/dev/${_i}/${_i}devs
449         ${AWK} -f ${SYSDIR}/tools/${_i}devs2h.awk ${SYSDIR}/dev/${_i}/${_i}devs
450 .endif
451 .endfor # _i
452
453 .if !empty(SRCS:Mbhnd_nvram_map.h)
454 CLEANFILES+=    bhnd_nvram_map.h
455 bhnd_nvram_map.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.h:
459         sh ${SYSDIR}/dev/bhnd/tools/nvram_map_gen.sh \
460             ${SYSDIR}/dev/bhnd/nvram/nvram_map -h
461 .endif
462
463 .if !empty(SRCS:Mbhnd_nvram_map_data.h)
464 CLEANFILES+=    bhnd_nvram_map_data.h
465 bhnd_nvram_map_data.h: ${SYSDIR}/dev/bhnd/tools/nvram_map_gen.awk \
466     ${SYSDIR}/dev/bhnd/tools/nvram_map_gen.sh \
467     ${SYSDIR}/dev/bhnd/nvram/nvram_map
468 bhnd_nvram_map_data.h:
469         sh ${SYSDIR}/dev/bhnd/tools/nvram_map_gen.sh \
470             ${SYSDIR}/dev/bhnd/nvram/nvram_map -d
471 .endif
472
473 .if !empty(SRCS:Musbdevs.h)
474 CLEANFILES+=    usbdevs.h
475 usbdevs.h: ${SYSDIR}/tools/usbdevs2h.awk ${SYSDIR}/dev/usb/usbdevs
476         ${AWK} -f ${SYSDIR}/tools/usbdevs2h.awk ${SYSDIR}/dev/usb/usbdevs -h
477 .endif
478
479 .if !empty(SRCS:Musbdevs_data.h)
480 CLEANFILES+=    usbdevs_data.h
481 usbdevs_data.h: ${SYSDIR}/tools/usbdevs2h.awk ${SYSDIR}/dev/usb/usbdevs
482         ${AWK} -f ${SYSDIR}/tools/usbdevs2h.awk ${SYSDIR}/dev/usb/usbdevs -d
483 .endif
484
485 .if !empty(SRCS:Msdiodevs.h)
486 CLEANFILES+=    sdiodevs.h
487 sdiodevs.h: ${SYSDIR}/tools/sdiodevs2h.awk ${SYSDIR}/dev/sdio/sdiodevs
488         ${AWK} -f ${SYSDIR}/tools/sdiodevs2h.awk ${SYSDIR}/dev/sdio/sdiodevs -h
489 .endif
490
491 .if !empty(SRCS:Msdiodevs_data.h)
492 CLEANFILES+=    sdiodevs_data.h
493 sdiodevs_data.h: ${SYSDIR}/tools/sdiodevs2h.awk ${SYSDIR}/dev/sdio/sdiodevs
494         ${AWK} -f ${SYSDIR}/tools/sdiodevs2h.awk ${SYSDIR}/dev/sdio/sdiodevs -d
495 .endif
496
497 .if !empty(SRCS:Macpi_quirks.h)
498 CLEANFILES+=    acpi_quirks.h
499 acpi_quirks.h: ${SYSDIR}/tools/acpi_quirks2h.awk ${SYSDIR}/dev/acpica/acpi_quirks
500         ${AWK} -f ${SYSDIR}/tools/acpi_quirks2h.awk ${SYSDIR}/dev/acpica/acpi_quirks
501 .endif
502
503 .if !empty(SRCS:Massym.inc) || !empty(DPSRCS:Massym.inc)
504 CLEANFILES+=    assym.inc genassym.o
505 DEPENDOBJS+=    genassym.o
506 DPSRCS+=        offset.inc
507 .endif
508 .if defined(MODULE_TIED)
509 DPSRCS+=        offset.inc
510 .endif
511 .if !empty(SRCS:Moffset.inc) || !empty(DPSRCS:Moffset.inc)
512 CLEANFILES+=    offset.inc genoffset.o
513 DEPENDOBJS+=    genoffset.o
514 .endif
515 assym.inc: genassym.o
516 offset.inc: genoffset.o
517 assym.inc: ${SYSDIR}/kern/genassym.sh
518         sh ${SYSDIR}/kern/genassym.sh genassym.o > ${.TARGET}
519 genassym.o: ${SYSDIR}/${MACHINE}/${MACHINE}/genassym.c offset.inc
520 genassym.o: ${SRCS:Mopt_*.h}
521         ${CC} -c ${CFLAGS:N-flto:N-fno-common} -fcommon \
522             ${SYSDIR}/${MACHINE}/${MACHINE}/genassym.c
523 offset.inc: ${SYSDIR}/kern/genoffset.sh genoffset.o
524         sh ${SYSDIR}/kern/genoffset.sh genoffset.o > ${.TARGET}
525 genoffset.o: ${SYSDIR}/kern/genoffset.c
526 genoffset.o: ${SRCS:Mopt_*.h}
527         ${CC} -c ${CFLAGS:N-flto:N-fno-common} -fcommon \
528             ${SYSDIR}/kern/genoffset.c
529
530 CLEANDEPENDFILES+=      ${_ILINKS}
531 # .depend needs include links so we remove them only together.
532 cleanilinks:
533         rm -f ${_ILINKS}
534
535 OBJS_DEPEND_GUESS+= ${SRCS:M*.h}
536 .if defined(KERNBUILDDIR)
537 OBJS_DEPEND_GUESS+= opt_global.h
538 .endif
539
540 ZINCDIR=${SYSDIR}/contrib/openzfs/include
541 OPENZFS_CFLAGS=     \
542         -D_SYS_VMEM_H_  \
543         -D__KERNEL__ \
544         -nostdinc \
545         -DSMP \
546         -I${ZINCDIR}  \
547         -I${ZINCDIR}/os/freebsd \
548         -I${ZINCDIR}/os/freebsd/spl \
549         -I${ZINCDIR}/os/freebsd/zfs \
550         -I${SYSDIR}/cddl/compat/opensolaris \
551         -I${SYSDIR}/cddl/contrib/opensolaris/uts/common \
552         -include ${ZINCDIR}/os/freebsd/spl/sys/ccompile.h
553 OPENZFS_CWARNFLAGS= \
554         -Wno-nested-externs
555
556 .include <bsd.dep.mk>
557 .include <bsd.clang-analyze.mk>
558 .include <bsd.obj.mk>
559 .include "kern.mk"