1 # From: @(#)bsd.prog.mk 5.26 (Berkeley) 6/25/91
4 # The include file <bsd.kmod.mk> handles building and installing loadable
10 # CLEANFILES Additional files to remove for the clean and cleandir targets.
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
17 # KMOD The name of the kernel module to build.
19 # KMODDIR Base path for kernel modules (see kld(4)). [/boot/kernel]
21 # KMODOWN Module file owner. [${BINOWN}]
23 # KMODGRP Module file group. [${BINGRP}]
25 # KMODMODE Module file mode. [${BINMODE}]
27 # KMODLOAD Command to load a kernel module [/sbin/kldload]
29 # KMODUNLOAD Command to unload a kernel module [/sbin/kldunload]
31 # MFILES Optionally a list of interfaces used by the module.
32 # This file contains a default list of interfaces.
34 # PROG The name of the kernel module to build.
35 # If not supplied, ${KMOD}.ko is used.
37 # SRCS List of source files.
39 # FIRMWS List of firmware images in format filename:shortname:version
42 # Set to the name of the license the user has to agree on in
43 # order to use this firmware. See /usr/share/doc/legal
45 # DESTDIR The tree where the module gets installed. [not set]
50 # install the kernel module; if the Makefile
51 # does not itself define the target install, the targets
52 # beforeinstall and afterinstall may also be used to cause
53 # actions immediately before and after the install target
63 # backwards compat option for older systems.
64 MACHINE_CPUARCH?=${MACHINE_ARCH:C/mipse[lb]/mips/:C/armeb/arm/:C/powerpc64/powerpc/}
67 KMODLOAD?= /sbin/kldload
68 KMODUNLOAD?= /sbin/kldunload
72 .error "Do not use KMODDEPS on 5.0+; use MODULE_VERSION/MODULE_DEPEND"
75 .include <bsd.init.mk>
76 .sinclude <bsd.compiler.mk>
78 # backwards compat option for older systems.
81 .SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S
85 # amd64 and mips use direct linking for kmod, all others use shared binaries
86 .if ${MACHINE_CPUARCH} != amd64 && ${MACHINE_CPUARCH} != mips
92 .if !empty(CFLAGS:M-O[23s]) && empty(CFLAGS:M-fno-strict-aliasing)
93 CFLAGS+= -fno-strict-aliasing
100 # Don't use any standard or source-relative include directories.
103 CFLAGS:= ${CFLAGS:N-I*} ${NOSTDINC} ${INCLMAGIC} ${CFLAGS:M-I*}
104 .if defined(KERNBUILDDIR)
105 CFLAGS+= -DHAVE_KERNEL_OPTION_HEADERS -include ${KERNBUILDDIR}/opt_global.h
108 # Add -I paths for system headers. Individual module makefiles don't
109 # need any -I paths for this. Similar defaults for .PATH can't be
110 # set because there are no standard paths for non-headers.
113 # Add -I path for altq headers as they are included via net/if_var.h
115 CFLAGS+= -I@/contrib/altq
117 .if ${COMPILER_TYPE} != "clang"
118 CFLAGS+= -finline-limit=${INLINE_LIMIT}
119 CFLAGS+= --param inline-unit-growth=100
120 CFLAGS+= --param large-function-growth=1000
123 # Disallow common variables, and if we end up with commons from
124 # somewhere unexpected, allocate storage for them in the module itself.
126 LDFLAGS+= -d -warn-common
128 CFLAGS+= ${DEBUG_FLAGS}
129 .if ${MACHINE_CPUARCH} == amd64
130 CFLAGS+= -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer
133 .if ${MACHINE_CPUARCH} == powerpc
134 CFLAGS+= -mlongcall -fno-omit-frame-pointer
137 .if ${MACHINE_CPUARCH} == mips
138 CFLAGS+= -G0 -fno-pic -mno-abicalls -mlong-calls
141 .if defined(DEBUG) || defined(DEBUG_FLAGS)
149 ${KMOD:S/$/.c/}: @/tools/fw_stub.awk
151 ${AWK} -f @/tools/fw_stub.awk ${FIRMWS} -m${KMOD} -c${KMOD:S/$/.c/g} \
152 ${FIRMWARE_LICENSE:C/.+/-l/}${FIRMWARE_LICENSE}
154 SRCS+= ${KMOD:S/$/.c/}
155 CLEANFILES+= ${KMOD:S/$/.c/}
157 .for _firmw in ${FIRMWS}
158 ${_firmw:C/\:.*$/.fwo/:T}: ${_firmw:C/\:.*$//}
159 @${ECHO} ${_firmw:C/\:.*$//} ${.ALLSRC:M*${_firmw:C/\:.*$//}}
160 @if [ -e ${_firmw:C/\:.*$//} ]; then \
161 ${LD} -b binary --no-warn-mismatch ${LDFLAGS} \
162 -r -d -o ${.TARGET} ${_firmw:C/\:.*$//}; \
164 ln -s ${.ALLSRC:M*${_firmw:C/\:.*$//}} ${_firmw:C/\:.*$//}; \
165 ${LD} -b binary --no-warn-mismatch ${LDFLAGS} \
166 -r -d -o ${.TARGET} ${_firmw:C/\:.*$//}; \
167 rm ${_firmw:C/\:.*$//}; \
170 OBJS+= ${_firmw:C/\:.*$/.fwo/:T}
174 OBJS+= ${SRCS:N*.h:R:S/$/.o/g}
180 .if !defined(DEBUG_FLAGS)
183 FULLPROG= ${PROG}.debug
184 ${PROG}: ${FULLPROG} ${PROG}.symbols
185 ${OBJCOPY} --strip-debug --add-gnu-debuglink=${PROG}.symbols\
186 ${FULLPROG} ${.TARGET}
187 ${PROG}.symbols: ${FULLPROG}
188 ${OBJCOPY} --only-keep-debug ${FULLPROG} ${.TARGET}
191 .if ${__KLD_SHARED} == yes
192 ${FULLPROG}: ${KMOD}.kld
193 ${LD} -Bshareable ${LDFLAGS} -o ${.TARGET} ${KMOD}.kld
194 .if !defined(DEBUG_FLAGS)
195 ${OBJCOPY} --strip-debug ${.TARGET}
200 .if ${EXPORT_SYMS} != YES
201 CLEANFILES+= export_syms
204 .if ${__KLD_SHARED} == yes
209 ${LD} ${LDFLAGS} -r -d -o ${.TARGET} ${OBJS}
210 .if defined(MK_CTF) && ${MK_CTF} != "no"
211 ${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${OBJS}
213 .if defined(EXPORT_SYMS)
214 .if ${EXPORT_SYMS} != YES
215 .if ${EXPORT_SYMS} == NO
217 .elif !exists(${.CURDIR}/${EXPORT_SYMS})
218 echo ${EXPORT_SYMS} > export_syms
220 grep -v '^#' < ${EXPORT_SYMS} > export_syms
222 awk -f ${SYSDIR}/conf/kmod_syms.awk ${.TARGET} \
223 export_syms | xargs -J% ${OBJCOPY} % ${.TARGET}
226 .if !defined(DEBUG_FLAGS) && ${__KLD_SHARED} == no
227 ${OBJCOPY} --strip-debug ${.TARGET}
231 .if ${MACHINE} != ${MACHINE_CPUARCH}
232 _ILINKS+=${MACHINE_CPUARCH}
234 .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
240 beforedepend: ${_ILINKS}
242 # Ensure that the links exist without depending on it when it exists which
243 # causes all the modules to be rebuilt when the directory pointed to changes.
244 .for _link in ${_ILINKS}
245 .if !exists(${.OBJDIR}/${_link})
246 ${OBJS}: ${.OBJDIR}/${_link}
250 # Search for kernel source tree in standard places.
251 .for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. /sys /usr/src/sys
252 .if !defined(SYSDIR) && exists(${_dir}/kern/)
256 .if !defined(SYSDIR) || !exists(${SYSDIR}/kern/)
257 .error "can't find kernel source tree"
260 .for _link in ${_ILINKS}
262 ${_link}: ${.OBJDIR}/${_link}
265 @case ${.TARGET:T} in \
267 path=${SYSDIR}/${MACHINE}/include ;; \
271 path=${SYSDIR}/${.TARGET:T}/include ;; \
273 path=`(cd $$path && /bin/pwd)` ; \
274 ${ECHO} ${.TARGET:T} "->" $$path ; \
275 ln -sf $$path ${.TARGET:T}
278 CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS}
280 .if defined(DEBUG_FLAGS)
281 CLEANFILES+= ${FULLPROG} ${PROG}.symbols
286 _INSTALLFLAGS:= ${INSTALLFLAGS}
287 .for ie in ${INSTALLFLAGS_EDIT}
288 _INSTALLFLAGS:= ${_INSTALLFLAGS${ie}}
291 .if !target(realinstall)
292 realinstall: _kmodinstall
293 .ORDER: beforeinstall _kmodinstall
295 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
296 ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR}
297 .if defined(DEBUG_FLAGS) && !defined(INSTALL_NODEBUG) && \
298 (defined(MK_KERNEL_SYMBOLS) && ${MK_KERNEL_SYMBOLS} != "no")
299 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
300 ${_INSTALLFLAGS} ${PROG}.symbols ${DESTDIR}${KMODDIR}
303 .include <bsd.links.mk>
305 .if !defined(NO_XREF)
306 afterinstall: _kldxref
307 .ORDER: realinstall _kldxref
308 .ORDER: _installlinks _kldxref
310 @if type kldxref >/dev/null 2>&1; then \
311 ${ECHO} kldxref ${DESTDIR}${KMODDIR}; \
312 kldxref ${DESTDIR}${KMODDIR}; \
315 .endif # !target(realinstall)
317 .endif # !target(install)
321 ${KMODLOAD} -v ${.OBJDIR}/${PROG}
326 ${KMODUNLOAD} -v ${PROG}
329 .if defined(KERNBUILDDIR)
330 .PATH: ${KERNBUILDDIR}
331 CFLAGS+= -I${KERNBUILDDIR}
332 .for _src in ${SRCS:Mopt_*.h}
336 ln -sf ${KERNBUILDDIR}/${_src} ${.TARGET}
340 .for _src in ${SRCS:Mopt_*.h}
349 # Respect configuration-specific C flags.
350 CFLAGS+= ${CONF_CFLAGS}
352 MFILES?= dev/acpica/acpi_if.m dev/acpi_support/acpi_wmi_if.m \
353 dev/agp/agp_if.m dev/ata/ata_if.m dev/eisa/eisa_if.m \
355 dev/iicbus/iicbb_if.m dev/iicbus/iicbus_if.m \
356 dev/mmc/mmcbr_if.m dev/mmc/mmcbus_if.m \
357 dev/mii/miibus_if.m dev/mvs/mvs_if.m dev/ofw/ofw_bus_if.m \
358 dev/pccard/card_if.m dev/pccard/power_if.m dev/pci/pci_if.m \
359 dev/pci/pcib_if.m dev/ppbus/ppbus_if.m dev/smbus/smbus_if.m \
360 dev/sound/pci/hda/hdac_if.m \
361 dev/sound/pcm/ac97_if.m dev/sound/pcm/channel_if.m \
362 dev/sound/pcm/feeder_if.m dev/sound/pcm/mixer_if.m \
363 dev/sound/midi/mpu_if.m dev/sound/midi/mpufoi_if.m \
364 dev/sound/midi/synth_if.m dev/usb/usb_if.m isa/isa_if.m \
365 kern/bus_if.m kern/clock_if.m \
366 kern/cpufreq_if.m kern/device_if.m kern/serdev_if.m \
367 libkern/iconv_converter_if.m opencrypto/cryptodev_if.m \
368 pc98/pc98/canbus_if.m
370 .for _srcsrc in ${MFILES}
372 .for _src in ${SRCS:M${_srcsrc:T:R}.${_ext}}
378 ${_src}: @/tools/makeobjops.awk @/${_srcsrc}
380 ${AWK} -f @/tools/makeobjops.awk @/${_srcsrc} -${_ext}
386 .if !empty(SRCS:Mvnode_if.c)
387 CLEANFILES+= vnode_if.c
391 vnode_if.c: @/tools/vnode_if.awk @/kern/vnode_if.src
393 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -c
396 .if !empty(SRCS:Mvnode_if.h)
397 CLEANFILES+= vnode_if.h vnode_if_newproto.h vnode_if_typedef.h
399 vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: @
401 vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: @/tools/vnode_if.awk \
404 vnode_if.h: vnode_if_newproto.h vnode_if_typedef.h
405 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -h
407 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -p
409 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -q
412 .for _i in mii pccard
413 .if !empty(SRCS:M${_i}devs.h)
414 CLEANFILES+= ${_i}devs.h
418 ${_i}devs.h: @/tools/${_i}devs2h.awk @/dev/${_i}/${_i}devs
420 ${AWK} -f @/tools/${_i}devs2h.awk @/dev/${_i}/${_i}devs
424 .if !empty(SRCS:Musbdevs.h)
425 CLEANFILES+= usbdevs.h
429 usbdevs.h: @/tools/usbdevs2h.awk @/dev/usb/usbdevs
431 ${AWK} -f @/tools/usbdevs2h.awk @/dev/usb/usbdevs -h
434 .if !empty(SRCS:Musbdevs_data.h)
435 CLEANFILES+= usbdevs_data.h
439 usbdevs_data.h: @/tools/usbdevs2h.awk @/dev/usb/usbdevs
441 ${AWK} -f @/tools/usbdevs2h.awk @/dev/usb/usbdevs -d
444 .if !empty(SRCS:Macpi_quirks.h)
445 CLEANFILES+= acpi_quirks.h
449 acpi_quirks.h: @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks
451 ${AWK} -f @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks
454 .if !empty(SRCS:Massym.s)
455 CLEANFILES+= assym.s genassym.o
457 .if defined(KERNBUILDDIR)
458 genassym.o: opt_global.h
463 assym.s: @/kern/genassym.sh
465 sh @/kern/genassym.sh genassym.o > ${.TARGET}
467 genassym.o: @/${MACHINE_CPUARCH}/${MACHINE_CPUARCH}/genassym.c
469 genassym.o: @ machine ${SRCS:Mopt_*.h}
470 ${CC} -c ${CFLAGS:N-fno-common} \
471 @/${MACHINE_CPUARCH}/${MACHINE_CPUARCH}/genassym.c
475 ${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC:M*.c}
477 .if defined(KERNBUILDDIR)
478 ${OBJS}: opt_global.h
481 .include <bsd.dep.mk>
483 cleandepend: cleanilinks
484 # .depend needs include links so we remove them only together.
488 .if !exists(${.OBJDIR}/${DEPENDFILE})
489 ${OBJS}: ${SRCS:M*.h}
492 .include <bsd.obj.mk>