xref: /freebsd/sys/conf/kmod.mk (revision 2008043f386721d58158e37e0d7e50df8095942d) 
1#	From: @(#)bsd.prog.mk	5.26 (Berkeley) 6/25/91
2#
3# The include file <bsd.kmod.mk> handles building and installing loadable
4# kernel modules.
5#
6#
7# +++ variables +++
8#
9# CLEANFILES	Additional files to remove for the clean and cleandir targets.
10#
11# EXPORT_SYMS	A list of symbols that should be exported from the module,
12#		or the name of a file containing a list of symbols, or YES
13#		to export all symbols.  If not defined, no symbols are
14#		exported.
15#
16# KMOD		The name of the kernel module to build.
17#
18# KMODDIR	Base path for kernel modules (see kld(4)). [/boot/kernel]
19#
20# KMODOWN	Module file owner. [${BINOWN}]
21#
22# KMODGRP	Module file group. [${BINGRP}]
23#
24# KMODMODE	Module file mode. [${BINMODE}]
25#
26# KMODLOAD	Command to load a kernel module [/sbin/kldload]
27#
28# KMODUNLOAD	Command to unload a kernel module [/sbin/kldunload]
29#
30# KMODISLOADED	Command to check whether a kernel module is
31#		loaded [/sbin/kldstat -q -n]
32#
33# PROG		The name of the kernel module to build.
34#		If not supplied, ${KMOD}.ko is used.
35#
36# SRCS		List of source files.
37#
38# FIRMWS	List of firmware images in format filename:shortname:version
39#
40# FIRMWARE_LICENSE
41#		Set to the name of the license the user has to agree on in
42#		order to use this firmware. See /usr/share/doc/legal
43#
44# DESTDIR	The tree where the module gets installed. [not set]
45#
46# KERNBUILDDIR	Set to the location of the kernel build directory where
47#		the opt_*.h files, .o's and kernel winds up.
48#
49# BLOB_OBJS	Prebuilt binary blobs .o's from the src tree to be linked into
50#		the module. These are precious and not removed in make clean.
51#
52# +++ targets +++
53#
54# 	install:
55#               install the kernel module; if the Makefile
56#               does not itself define the target install, the targets
57#               beforeinstall and afterinstall may also be used to cause
58#               actions immediately before and after the install target
59#		is executed.
60#
61# 	load:
62#		Load a module.
63#
64# 	unload:
65#		Unload a module.
66#
67#	reload:
68#		Unload if loaded, then load.
69#
70
71AWK?=		awk
72KMODLOAD?=	/sbin/kldload
73KMODUNLOAD?=	/sbin/kldunload
74KMODISLOADED?=	/sbin/kldstat -q -n
75OBJCOPY?=	objcopy
76
77.include "kmod.opts.mk"
78.include <bsd.sysdir.mk>
79
80.SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S .m
81
82# amd64 uses direct linking for kmod, all others use shared binaries
83.if ${MACHINE_CPUARCH} != amd64
84__KLD_SHARED=yes
85.else
86__KLD_SHARED=no
87.endif
88
89.if !empty(CFLAGS:M-O[23s]) && empty(CFLAGS:M-fno-strict-aliasing)
90CFLAGS+=	-fno-strict-aliasing
91.endif
92WERROR?=	-Werror
93
94LINUXKPI_GENSRCS+= \
95	backlight_if.h \
96	bus_if.h \
97	device_if.h \
98	iicbus_if.h \
99	iicbb_if.h \
100	lkpi_iic_if.c \
101	lkpi_iic_if.h \
102	pci_if.h \
103	pci_iov_if.h \
104	pcib_if.h \
105	vnode_if.h \
106	usb_if.h \
107	opt_usb.h \
108	opt_stack.h
109
110LINUXKPI_INCLUDES+= \
111	-I${SYSDIR}/compat/linuxkpi/common/include \
112	-I${SYSDIR}/compat/linuxkpi/dummy/include
113
114CFLAGS+=	${WERROR}
115CFLAGS+=	-D_KERNEL
116CFLAGS+=	-DKLD_MODULE
117.if defined(MODULE_TIED)
118CFLAGS+=	-DKLD_TIED
119.endif
120
121# Don't use any standard or source-relative include directories.
122NOSTDINC=	-nostdinc
123CFLAGS:=	${CFLAGS:N-I*} ${NOSTDINC} ${INCLMAGIC} ${CFLAGS:M-I*}
124.if defined(KERNBUILDDIR)
125CFLAGS+=	-DHAVE_KERNEL_OPTION_HEADERS -include ${KERNBUILDDIR}/opt_global.h
126.else
127SRCS+=		opt_global.h
128CFLAGS+=	-include ${.OBJDIR}/opt_global.h
129.endif
130
131# Add -I paths for system headers.  Individual module makefiles don't
132# need any -I paths for this.  Similar defaults for .PATH can't be
133# set because there are no standard paths for non-headers.
134CFLAGS+=	-I. -I${SYSDIR} -I${SYSDIR}/contrib/ck/include
135
136CFLAGS.gcc+=	-finline-limit=${INLINE_LIMIT}
137CFLAGS.gcc+=	-fms-extensions
138CFLAGS.gcc+= --param inline-unit-growth=100
139CFLAGS.gcc+= --param large-function-growth=1000
140
141# Disallow common variables, and if we end up with commons from
142# somewhere unexpected, allocate storage for them in the module itself.
143#
144# -fno-common is the default for src builds, but this should be left in place
145# until at least we catch up to GCC10/LLVM11 or otherwise enable -fno-common
146# in <bsd.sys.mk> instead.  For now, we will have duplicate -fno-common in
147# CFLAGS for in-tree module builds as they will also pick it up from
148# share/mk/src.sys.mk, but the following is important for out-of-tree modules
149# (e.g. ports).
150CFLAGS+=	-fno-common
151.if ${LINKER_TYPE} != "lld" || ${LINKER_VERSION} < 140000
152# lld >= 14 warns that -d is deprecated, and will be removed.
153LDFLAGS+=	-d
154.endif
155LDFLAGS+=	-warn-common
156
157.if defined(LINKER_FEATURES) && ${LINKER_FEATURES:Mbuild-id}
158LDFLAGS+=	--build-id=sha1
159.endif
160
161CFLAGS+=	${DEBUG_FLAGS}
162.if ${MACHINE_CPUARCH} == aarch64 || ${MACHINE_CPUARCH} == amd64 || \
163    ${MACHINE_CPUARCH} == riscv
164CFLAGS+=	-fno-omit-frame-pointer -mno-omit-leaf-frame-pointer
165.endif
166
167.if ${MACHINE_CPUARCH} == "aarch64" || ${MACHINE_CPUARCH} == "riscv" || \
168    ${MACHINE_CPUARCH} == "powerpc" || ${MACHINE_CPUARCH} == "i386"
169CFLAGS+=	-fPIC
170.endif
171
172.if ${MACHINE_CPUARCH} == "aarch64"
173# https://bugs.freebsd.org/264094
174# lld >= 14 and recent GNU ld can relax adrp+add and adrp+ldr instructions,
175# which breaks VNET.
176LDFLAGS+=	--no-relax
177.endif
178
179# Temporary workaround for PR 196407, which contains the fascinating details.
180# Don't allow clang to use fpu instructions or registers in kernel modules.
181.if ${MACHINE_CPUARCH} == arm
182CFLAGS.clang+=	-mno-movt
183CFLAGS.clang+=	-mfpu=none
184CFLAGS+=	-funwind-tables
185.endif
186
187.if ${MACHINE_CPUARCH} == powerpc
188CFLAGS+=	-mlongcall -fno-omit-frame-pointer
189.if ${LINKER_TYPE} == "lld"
190# TOC optimization in LLD (9.0) currently breaks kernel modules, so disable it
191LDFLAGS+=	--no-toc-optimize
192.endif
193.endif
194
195.if defined(DEBUG) || defined(DEBUG_FLAGS)
196CTFFLAGS+=	-g
197.endif
198
199.if defined(FIRMWS)
200${KMOD:S/$/.c/}: ${SYSDIR}/tools/fw_stub.awk
201	${AWK} -f ${SYSDIR}/tools/fw_stub.awk ${FIRMWS} -m${KMOD} -c${KMOD:S/$/.c/g} \
202	    ${FIRMWARE_LICENSE:C/.+/-l/}${FIRMWARE_LICENSE}
203
204SRCS+=	${KMOD:S/$/.c/}
205CLEANFILES+=	${KMOD:S/$/.c/}
206
207.for _firmw in ${FIRMWS}
208${_firmw:C/\:.*$/.fwo/:T}:	${_firmw:C/\:.*$//} ${SYSDIR}/kern/firmw.S
209	@${ECHO} ${_firmw:C/\:.*$//} ${.ALLSRC:M*${_firmw:C/\:.*$//}}
210	${CC:N${CCACHE_BIN}} -c -x assembler-with-cpp -DLOCORE 	\
211	    ${CFLAGS} ${WERROR} 				\
212	    -DFIRMW_FILE=\""${.ALLSRC:M*${_firmw:C/\:.*$//}}"\"	\
213	    -DFIRMW_SYMBOL="${_firmw:C/\:.*$//:C/[-.\/@]/_/g}"	\
214	    ${SYSDIR}/kern/firmw.S -o ${.TARGET}
215
216OBJS+=	${_firmw:C/\:.*$/.fwo/:T}
217.endfor
218.endif
219
220# Conditionally include SRCS based on kernel config options.
221.for _o in ${KERN_OPTS}
222SRCS+=${SRCS.${_o}}
223.endfor
224
225OBJS+=	${SRCS:N*.h:R:S/$/.o/g}
226
227.if !defined(PROG)
228PROG=	${KMOD}.ko
229.endif
230
231.if !defined(DEBUG_FLAGS) || ${MK_SPLIT_KERNEL_DEBUG} == "no"
232FULLPROG=	${PROG}
233.else
234FULLPROG=	${PROG}.full
235${PROG}: ${FULLPROG} ${PROG}.debug
236	${OBJCOPY} --strip-debug --add-gnu-debuglink=${PROG}.debug \
237	    ${FULLPROG} ${.TARGET}
238${PROG}.debug: ${FULLPROG}
239	${OBJCOPY} --only-keep-debug ${FULLPROG} ${.TARGET}
240.endif
241
242.if ${__KLD_SHARED} == yes
243${FULLPROG}: ${KMOD}.kld
244	${LD} -m ${LD_EMULATION} -Bshareable -znotext -znorelro ${_LDFLAGS} \
245	    -o ${.TARGET} ${KMOD}.kld
246.if !defined(DEBUG_FLAGS)
247	${OBJCOPY} --strip-debug ${.TARGET}
248.endif
249.endif
250
251EXPORT_SYMS?=	NO
252.if ${EXPORT_SYMS} != YES
253CLEANFILES+=	export_syms
254.endif
255
256.if exists(${SYSDIR}/conf/ldscript.kmod.${MACHINE})
257LDSCRIPT_FLAGS?= -T ${SYSDIR}/conf/ldscript.kmod.${MACHINE}
258.endif
259
260.if ${__KLD_SHARED} == yes
261${KMOD}.kld: ${OBJS} ${BLOB_OBJS}
262.else
263${FULLPROG}: ${OBJS} ${BLOB_OBJS}
264.endif
265	${LD} -m ${LD_EMULATION} ${_LDFLAGS} ${LDSCRIPT_FLAGS} -r \
266	    -o ${.TARGET} ${OBJS} ${BLOB_OBJS}
267.if ${MK_CTF} != "no"
268	${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${OBJS} ${BLOB_OBJS}
269.endif
270.if defined(EXPORT_SYMS)
271.if ${EXPORT_SYMS} != YES
272.if ${EXPORT_SYMS} == NO
273	:> export_syms
274.elif !exists(${.CURDIR}/${EXPORT_SYMS})
275	printf '%s' "${EXPORT_SYMS:@s@$s${.newline}@}" > export_syms
276.else
277	grep -v '^#' < ${EXPORT_SYMS} > export_syms
278.endif
279	${AWK} -f ${SYSDIR}/conf/kmod_syms.awk ${.TARGET} \
280	    export_syms | xargs -J% ${OBJCOPY} % ${.TARGET}
281.endif
282.endif # defined(EXPORT_SYMS)
283.if defined(PREFIX_SYMS)
284	${AWK} -v prefix=${PREFIX_SYMS} -f ${SYSDIR}/conf/kmod_syms_prefix.awk \
285	    ${.TARGET} /dev/null | xargs -J% ${OBJCOPY} % ${.TARGET}
286.endif
287.if !defined(DEBUG_FLAGS) && ${__KLD_SHARED} == no
288	${OBJCOPY} --strip-debug ${.TARGET}
289.endif
290
291_ILINKS=machine
292.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
293_ILINKS+=x86
294.endif
295.if ${MACHINE_CPUARCH} == "amd64"
296_ILINKS+=i386
297.endif
298CLEANFILES+=${_ILINKS}
299
300all: ${PROG}
301
302beforedepend: ${_ILINKS}
303beforebuild: ${_ILINKS}
304
305# Ensure that the links exist without depending on it when it exists which
306# causes all the modules to be rebuilt when the directory pointed to changes.
307# Ensure that debug info references the path in the source tree.
308.for _link in ${_ILINKS}
309.if !exists(${.OBJDIR}/${_link})
310OBJS_DEPEND_GUESS+=	${_link}
311.endif
312.if ${_link} == "machine"
313CFLAGS+= -fdebug-prefix-map=./machine=${SYSDIR}/${MACHINE}/include
314.else
315CFLAGS+= -fdebug-prefix-map=./${_link}=${SYSDIR}/${_link}/include
316.endif
317.endfor
318
319.NOPATH: ${_ILINKS}
320
321${_ILINKS}:
322	@case ${.TARGET} in \
323	machine) \
324		path=${SYSDIR}/${MACHINE}/include ;; \
325	*) \
326		path=${SYSDIR}/${.TARGET:T}/include ;; \
327	esac ; \
328	path=`realpath $$path`; \
329	${ECHO} ${.TARGET:T} "->" $$path ; \
330	ln -fns $$path ${.TARGET:T}
331
332CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS}
333
334.if defined(DEBUG_FLAGS) && ${MK_SPLIT_KERNEL_DEBUG} != "no"
335CLEANFILES+= ${FULLPROG} ${PROG}.debug
336.endif
337
338.if !target(install)
339
340_INSTALLFLAGS:=	${INSTALLFLAGS}
341.for ie in ${INSTALLFLAGS_EDIT}
342_INSTALLFLAGS:=	${_INSTALLFLAGS${ie}}
343.endfor
344
345.if !target(realinstall)
346KERN_DEBUGDIR?=	${DEBUGDIR}
347realinstall: _kmodinstall
348.ORDER: beforeinstall _kmodinstall
349_kmodinstall: .PHONY
350	${INSTALL} -T release -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
351	    ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR}/
352.if defined(DEBUG_FLAGS) && !defined(INSTALL_NODEBUG) && ${MK_KERNEL_SYMBOLS} != "no"
353	${INSTALL} -T dbg -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
354	    ${_INSTALLFLAGS} ${PROG}.debug ${DESTDIR}${KERN_DEBUGDIR}${KMODDIR}/
355.endif
356
357.include <bsd.links.mk>
358
359.if !defined(NO_XREF)
360afterinstall: _kldxref
361.ORDER: realinstall _kldxref
362.ORDER: _installlinks _kldxref
363_kldxref: .PHONY
364	@if type kldxref >/dev/null 2>&1; then \
365		${ECHO} ${KLDXREF_CMD} ${DESTDIR}${KMODDIR}; \
366		${KLDXREF_CMD} ${DESTDIR}${KMODDIR}; \
367	fi
368.endif
369.endif # !target(realinstall)
370
371.endif # !target(install)
372
373.if !target(load)
374load: ${PROG} .PHONY
375	${KMODLOAD} -v ${.OBJDIR}/${PROG}
376.endif
377
378.if !target(unload)
379unload: .PHONY
380	if ${KMODISLOADED} ${PROG} ; then ${KMODUNLOAD} -v ${PROG} ; fi
381.endif
382
383.if !target(reload)
384reload: unload load .PHONY
385.endif
386
387.if defined(KERNBUILDDIR)
388.PATH: ${KERNBUILDDIR}
389CFLAGS+=	-I${KERNBUILDDIR}
390.for _src in ${SRCS:Mopt_*.h}
391CLEANFILES+=	${_src}
392.if !target(${_src})
393${_src}:
394	ln -sf ${KERNBUILDDIR}/${_src} ${.TARGET}
395.endif
396.endfor
397.else
398.for _src in ${SRCS:Mopt_*.h}
399CLEANFILES+=	${_src}
400.if !target(${_src})
401${_src}:
402	:> ${.TARGET}
403.endif
404.endfor
405.endif
406
407# Add the sanitizer C flags
408CFLAGS+=	${SAN_CFLAGS}
409
410# Add the gcov flags
411CFLAGS+=	${GCOV_CFLAGS}
412
413# Respect configuration-specific C flags.
414CFLAGS+=	${ARCH_FLAGS} ${CONF_CFLAGS}
415
416.if !empty(SRCS:Mvnode_if.c)
417CLEANFILES+=	vnode_if.c
418vnode_if.c: ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src
419	${AWK} -f ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src -c
420.endif
421
422.if !empty(SRCS:Mvnode_if.h)
423CLEANFILES+=	vnode_if.h vnode_if_newproto.h vnode_if_typedef.h
424vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: ${SYSDIR}/tools/vnode_if.awk \
425    ${SYSDIR}/kern/vnode_if.src
426vnode_if.h: vnode_if_newproto.h vnode_if_typedef.h
427	${AWK} -f ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src -h
428vnode_if_newproto.h:
429	${AWK} -f ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src -p
430vnode_if_typedef.h:
431	${AWK} -f ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src -q
432.endif
433
434# Build _if.[ch] from _if.m, and clean them when we're done.
435# __MPATH defined in config.mk
436_MFILES=${__MPATH:T:O}
437_MPATH=${__MPATH:H:O:u}
438.PATH.m: ${_MPATH}
439.for _i in ${SRCS:M*_if.[ch]}
440_MATCH=M${_i:R:S/$/.m/}
441_MATCHES=${_MFILES:${_MATCH}}
442.if !empty(_MATCHES)
443CLEANFILES+=	${_i}
444.endif
445.endfor # _i
446.m.c:	${SYSDIR}/tools/makeobjops.awk
447	${AWK} -f ${SYSDIR}/tools/makeobjops.awk ${.IMPSRC} -c
448
449.m.h:	${SYSDIR}/tools/makeobjops.awk
450	${AWK} -f ${SYSDIR}/tools/makeobjops.awk ${.IMPSRC} -h
451
452.for _i in mii pccard
453.if !empty(SRCS:M${_i}devs.h)
454CLEANFILES+=	${_i}devs.h
455${_i}devs.h: ${SYSDIR}/tools/${_i}devs2h.awk ${SYSDIR}/dev/${_i}/${_i}devs
456	${AWK} -f ${SYSDIR}/tools/${_i}devs2h.awk ${SYSDIR}/dev/${_i}/${_i}devs
457.endif
458.endfor # _i
459
460.if !empty(SRCS:Mbhnd_nvram_map.h)
461CLEANFILES+=	bhnd_nvram_map.h
462bhnd_nvram_map.h: ${SYSDIR}/dev/bhnd/tools/nvram_map_gen.awk \
463    ${SYSDIR}/dev/bhnd/tools/nvram_map_gen.sh \
464    ${SYSDIR}/dev/bhnd/nvram/nvram_map
465bhnd_nvram_map.h:
466	sh ${SYSDIR}/dev/bhnd/tools/nvram_map_gen.sh \
467	    ${SYSDIR}/dev/bhnd/nvram/nvram_map -h
468.endif
469
470.if !empty(SRCS:Mbhnd_nvram_map_data.h)
471CLEANFILES+=	bhnd_nvram_map_data.h
472bhnd_nvram_map_data.h: ${SYSDIR}/dev/bhnd/tools/nvram_map_gen.awk \
473    ${SYSDIR}/dev/bhnd/tools/nvram_map_gen.sh \
474    ${SYSDIR}/dev/bhnd/nvram/nvram_map
475bhnd_nvram_map_data.h:
476	sh ${SYSDIR}/dev/bhnd/tools/nvram_map_gen.sh \
477	    ${SYSDIR}/dev/bhnd/nvram/nvram_map -d
478.endif
479
480.if !empty(SRCS:Musbdevs.h)
481CLEANFILES+=	usbdevs.h
482usbdevs.h: ${SYSDIR}/tools/usbdevs2h.awk ${SYSDIR}/dev/usb/usbdevs
483	${AWK} -f ${SYSDIR}/tools/usbdevs2h.awk ${SYSDIR}/dev/usb/usbdevs -h
484.endif
485
486.if !empty(SRCS:Musbdevs_data.h)
487CLEANFILES+=	usbdevs_data.h
488usbdevs_data.h: ${SYSDIR}/tools/usbdevs2h.awk ${SYSDIR}/dev/usb/usbdevs
489	${AWK} -f ${SYSDIR}/tools/usbdevs2h.awk ${SYSDIR}/dev/usb/usbdevs -d
490.endif
491
492.if !empty(SRCS:Msdiodevs.h)
493CLEANFILES+=	sdiodevs.h
494sdiodevs.h: ${SYSDIR}/tools/sdiodevs2h.awk ${SYSDIR}/dev/sdio/sdiodevs
495	${AWK} -f ${SYSDIR}/tools/sdiodevs2h.awk ${SYSDIR}/dev/sdio/sdiodevs -h
496.endif
497
498.if !empty(SRCS:Msdiodevs_data.h)
499CLEANFILES+=	sdiodevs_data.h
500sdiodevs_data.h: ${SYSDIR}/tools/sdiodevs2h.awk ${SYSDIR}/dev/sdio/sdiodevs
501	${AWK} -f ${SYSDIR}/tools/sdiodevs2h.awk ${SYSDIR}/dev/sdio/sdiodevs -d
502.endif
503
504.if !empty(SRCS:Macpi_quirks.h)
505CLEANFILES+=	acpi_quirks.h
506acpi_quirks.h: ${SYSDIR}/tools/acpi_quirks2h.awk ${SYSDIR}/dev/acpica/acpi_quirks
507	${AWK} -f ${SYSDIR}/tools/acpi_quirks2h.awk ${SYSDIR}/dev/acpica/acpi_quirks
508.endif
509
510.if !empty(SRCS:Massym.inc) || !empty(DPSRCS:Massym.inc)
511CLEANFILES+=	assym.inc genassym.o
512DEPENDOBJS+=	genassym.o
513DPSRCS+=	offset.inc
514.endif
515.if defined(MODULE_TIED)
516DPSRCS+=	offset.inc
517.endif
518.if !empty(SRCS:Moffset.inc) || !empty(DPSRCS:Moffset.inc)
519CLEANFILES+=	offset.inc genoffset.o
520DEPENDOBJS+=	genoffset.o
521.endif
522assym.inc: genassym.o
523offset.inc: genoffset.o
524assym.inc: ${SYSDIR}/kern/genassym.sh
525	sh ${SYSDIR}/kern/genassym.sh genassym.o > ${.TARGET}
526genassym.o: ${SYSDIR}/${MACHINE}/${MACHINE}/genassym.c offset.inc
527genassym.o: ${SRCS:Mopt_*.h}
528	${CC} -c ${CFLAGS:N-flto:N-fno-common} -fcommon \
529	    ${SYSDIR}/${MACHINE}/${MACHINE}/genassym.c
530offset.inc: ${SYSDIR}/kern/genoffset.sh genoffset.o
531	sh ${SYSDIR}/kern/genoffset.sh genoffset.o > ${.TARGET}
532genoffset.o: ${SYSDIR}/kern/genoffset.c
533genoffset.o: ${SRCS:Mopt_*.h}
534	${CC} -c ${CFLAGS:N-flto:N-fno-common} -fcommon \
535	    ${SYSDIR}/kern/genoffset.c
536
537CLEANDEPENDFILES+=	${_ILINKS}
538# .depend needs include links so we remove them only together.
539cleanilinks:
540	rm -f ${_ILINKS}
541
542OBJS_DEPEND_GUESS+= ${SRCS:M*.h}
543.if defined(KERNBUILDDIR)
544OBJS_DEPEND_GUESS+= opt_global.h
545.endif
546
547ZINCDIR=${SYSDIR}/contrib/openzfs/include
548OPENZFS_CFLAGS=     \
549	-D_SYS_VMEM_H_  \
550	-D__KERNEL__ \
551	-nostdinc \
552	-DSMP \
553	-I${ZINCDIR}  \
554	-I${ZINCDIR}/os/freebsd \
555	-I${ZINCDIR}/os/freebsd/spl \
556	-I${ZINCDIR}/os/freebsd/zfs \
557	-I${SYSDIR}/cddl/compat/opensolaris \
558	-I${SYSDIR}/cddl/contrib/opensolaris/uts/common \
559	-include ${ZINCDIR}/os/freebsd/spl/sys/ccompile.h
560
561.include <bsd.dep.mk>
562.include <bsd.clang-analyze.mk>
563.include <bsd.obj.mk>
564.include "kern.mk"
565