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
64 KMODLOAD?= /sbin/kldload
65 KMODUNLOAD?= /sbin/kldunload
68 # Grab all the options for a kernel build.
69 .include "kern.opts.mk"
70 .include <bsd.init.mk>
71 .include <bsd.compiler.mk>
73 .SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S
75 # amd64 and mips use direct linking for kmod, all others use shared binaries
76 .if ${MACHINE_CPUARCH} != amd64 && ${MACHINE_CPUARCH} != mips
82 .if !empty(CFLAGS:M-O[23s]) && empty(CFLAGS:M-fno-strict-aliasing)
83 CFLAGS+= -fno-strict-aliasing
90 # Don't use any standard or source-relative include directories.
93 CFLAGS:= ${CFLAGS:N-I*} ${NOSTDINC} ${INCLMAGIC} ${CFLAGS:M-I*}
94 .if defined(KERNBUILDDIR)
95 CFLAGS+= -DHAVE_KERNEL_OPTION_HEADERS -include ${KERNBUILDDIR}/opt_global.h
98 # Add -I paths for system headers. Individual module makefiles don't
99 # need any -I paths for this. Similar defaults for .PATH can't be
100 # set because there are no standard paths for non-headers.
103 # Add -I path for altq headers as they are included via net/if_var.h
105 CFLAGS+= -I@/contrib/altq
107 CFLAGS.gcc+= -finline-limit=${INLINE_LIMIT}
108 CFLAGS.gcc+= --param inline-unit-growth=100
109 CFLAGS.gcc+= --param large-function-growth=1000
111 # Disallow common variables, and if we end up with commons from
112 # somewhere unexpected, allocate storage for them in the module itself.
114 LDFLAGS+= -d -warn-common
116 CFLAGS+= ${DEBUG_FLAGS}
117 .if ${MACHINE_CPUARCH} == amd64
118 CFLAGS+= -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer
121 .if ${MACHINE_CPUARCH} == powerpc
122 CFLAGS+= -mlongcall -fno-omit-frame-pointer
125 .if ${MACHINE_CPUARCH} == mips
126 CFLAGS+= -G0 -fno-pic -mno-abicalls -mlong-calls
129 .if defined(DEBUG) || defined(DEBUG_FLAGS)
137 ${KMOD:S/$/.c/}: @/tools/fw_stub.awk
139 ${AWK} -f @/tools/fw_stub.awk ${FIRMWS} -m${KMOD} -c${KMOD:S/$/.c/g} \
140 ${FIRMWARE_LICENSE:C/.+/-l/}${FIRMWARE_LICENSE}
142 SRCS+= ${KMOD:S/$/.c/}
143 CLEANFILES+= ${KMOD:S/$/.c/}
145 .for _firmw in ${FIRMWS}
146 ${_firmw:C/\:.*$/.fwo/}: ${_firmw:C/\:.*$//}
147 @${ECHO} ${_firmw:C/\:.*$//} ${.ALLSRC:M*${_firmw:C/\:.*$//}}
148 @if [ -e ${_firmw:C/\:.*$//} ]; then \
149 ${LD} -b binary --no-warn-mismatch ${LDFLAGS} \
150 -r -d -o ${.TARGET} ${_firmw:C/\:.*$//}; \
152 ln -s ${.ALLSRC:M*${_firmw:C/\:.*$//}} ${_firmw:C/\:.*$//}; \
153 ${LD} -b binary --no-warn-mismatch ${LDFLAGS} \
154 -r -d -o ${.TARGET} ${_firmw:C/\:.*$//}; \
155 rm ${_firmw:C/\:.*$//}; \
158 OBJS+= ${_firmw:C/\:.*$/.fwo/}
162 OBJS+= ${SRCS:N*.h:R:S/$/.o/g}
168 .if !defined(DEBUG_FLAGS)
171 FULLPROG= ${PROG}.debug
172 ${PROG}: ${FULLPROG} ${PROG}.symbols
173 ${OBJCOPY} --strip-debug --add-gnu-debuglink=${PROG}.symbols\
174 ${FULLPROG} ${.TARGET}
175 ${PROG}.symbols: ${FULLPROG}
176 ${OBJCOPY} --only-keep-debug ${FULLPROG} ${.TARGET}
179 .if ${__KLD_SHARED} == yes
180 ${FULLPROG}: ${KMOD}.kld
181 ${LD} -Bshareable ${LDFLAGS} -o ${.TARGET} ${KMOD}.kld
182 .if !defined(DEBUG_FLAGS)
183 ${OBJCOPY} --strip-debug ${.TARGET}
188 .if ${EXPORT_SYMS} != YES
189 CLEANFILES+= export_syms
192 .if ${__KLD_SHARED} == yes
197 ${LD} ${LDFLAGS} -r -d -o ${.TARGET} ${OBJS}
198 .if ${MK_CTF} != "no"
199 ${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${OBJS}
201 .if defined(EXPORT_SYMS)
202 .if ${EXPORT_SYMS} != YES
203 .if ${EXPORT_SYMS} == NO
205 .elif !exists(${.CURDIR}/${EXPORT_SYMS})
206 echo ${EXPORT_SYMS} > export_syms
208 grep -v '^#' < ${EXPORT_SYMS} > export_syms
210 awk -f ${SYSDIR}/conf/kmod_syms.awk ${.TARGET} \
211 export_syms | xargs -J% ${OBJCOPY} % ${.TARGET}
214 .if !defined(DEBUG_FLAGS) && ${__KLD_SHARED} == no
215 ${OBJCOPY} --strip-debug ${.TARGET}
219 .if ${MACHINE} != ${MACHINE_CPUARCH}
220 _ILINKS+=${MACHINE_CPUARCH}
222 .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
228 beforedepend: ${_ILINKS}
230 # Ensure that the links exist without depending on it when it exists which
231 # causes all the modules to be rebuilt when the directory pointed to changes.
232 .for _link in ${_ILINKS}
233 .if !exists(${.OBJDIR}/${_link})
234 ${OBJS}: ${.OBJDIR}/${_link}
238 # Search for kernel source tree in standard places.
239 .for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. /sys /usr/src/sys
240 .if !defined(SYSDIR) && exists(${_dir}/kern/)
244 .if !defined(SYSDIR) || !exists(${SYSDIR}/kern/)
245 .error "can't find kernel source tree"
248 .for _link in ${_ILINKS}
250 ${_link}: ${.OBJDIR}/${_link}
253 @case ${.TARGET:T} in \
255 path=${SYSDIR}/${MACHINE}/include ;; \
259 path=${SYSDIR}/${.TARGET:T}/include ;; \
261 path=`(cd $$path && /bin/pwd)` ; \
262 ${ECHO} ${.TARGET:T} "->" $$path ; \
263 ln -sf $$path ${.TARGET:T}
266 CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS}
268 .if defined(DEBUG_FLAGS)
269 CLEANFILES+= ${FULLPROG} ${PROG}.symbols
274 _INSTALLFLAGS:= ${INSTALLFLAGS}
275 .for ie in ${INSTALLFLAGS_EDIT}
276 _INSTALLFLAGS:= ${_INSTALLFLAGS${ie}}
279 .if !target(realinstall)
280 realinstall: _kmodinstall
281 .ORDER: beforeinstall _kmodinstall
283 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
284 ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR}
285 .if defined(DEBUG_FLAGS) && !defined(INSTALL_NODEBUG) && ${MK_KERNEL_SYMBOLS} != "no"
286 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
287 ${_INSTALLFLAGS} ${PROG}.symbols ${DESTDIR}${KMODDIR}
290 .include <bsd.links.mk>
292 .if !defined(NO_XREF)
293 afterinstall: _kldxref
294 .ORDER: realinstall _kldxref
295 .ORDER: _installlinks _kldxref
297 @if type kldxref >/dev/null 2>&1; then \
298 ${ECHO} kldxref ${DESTDIR}${KMODDIR}; \
299 kldxref ${DESTDIR}${KMODDIR}; \
302 .endif # !target(realinstall)
304 .endif # !target(install)
308 ${KMODLOAD} -v ${.OBJDIR}/${PROG}
313 ${KMODUNLOAD} -v ${PROG}
316 .if defined(KERNBUILDDIR)
317 .PATH: ${KERNBUILDDIR}
318 CFLAGS+= -I${KERNBUILDDIR}
319 .for _src in ${SRCS:Mopt_*.h}
323 ln -sf ${KERNBUILDDIR}/${_src} ${.TARGET}
327 .for _src in ${SRCS:Mopt_*.h}
336 # Respect configuration-specific C flags.
337 CFLAGS+= ${CONF_CFLAGS}
339 MFILES?= dev/acpica/acpi_if.m dev/acpi_support/acpi_wmi_if.m \
340 dev/agp/agp_if.m dev/ata/ata_if.m dev/eisa/eisa_if.m \
341 dev/fb/fb_if.m dev/gpio/gpio_if.m dev/gpio/gpiobus_if.m \
342 dev/iicbus/iicbb_if.m dev/iicbus/iicbus_if.m \
343 dev/mmc/mmcbr_if.m dev/mmc/mmcbus_if.m \
344 dev/mii/miibus_if.m dev/mvs/mvs_if.m dev/ofw/ofw_bus_if.m \
345 dev/pccard/card_if.m dev/pccard/power_if.m dev/pci/pci_if.m \
346 dev/pci/pcib_if.m dev/ppbus/ppbus_if.m \
347 dev/sdhci/sdhci_if.m dev/smbus/smbus_if.m dev/spibus/spibus_if.m \
348 dev/sound/pci/hda/hdac_if.m \
349 dev/sound/pcm/ac97_if.m dev/sound/pcm/channel_if.m \
350 dev/sound/pcm/feeder_if.m dev/sound/pcm/mixer_if.m \
351 dev/sound/midi/mpu_if.m dev/sound/midi/mpufoi_if.m \
352 dev/sound/midi/synth_if.m dev/usb/usb_if.m isa/isa_if.m \
353 kern/bus_if.m kern/clock_if.m \
354 kern/cpufreq_if.m kern/device_if.m kern/serdev_if.m \
355 libkern/iconv_converter_if.m opencrypto/cryptodev_if.m \
356 pc98/pc98/canbus_if.m dev/etherswitch/mdio_if.m
358 .for _srcsrc in ${MFILES}
360 .for _src in ${SRCS:M${_srcsrc:T:R}.${_ext}}
366 ${_src}: @/tools/makeobjops.awk @/${_srcsrc}
368 ${AWK} -f @/tools/makeobjops.awk @/${_srcsrc} -${_ext}
374 .if !empty(SRCS:Mvnode_if.c)
375 CLEANFILES+= vnode_if.c
379 vnode_if.c: @/tools/vnode_if.awk @/kern/vnode_if.src
381 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -c
384 .if !empty(SRCS:Mvnode_if.h)
385 CLEANFILES+= vnode_if.h vnode_if_newproto.h vnode_if_typedef.h
387 vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: @
389 vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: @/tools/vnode_if.awk \
392 vnode_if.h: vnode_if_newproto.h vnode_if_typedef.h
393 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -h
395 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -p
397 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -q
400 .for _i in mii pccard
401 .if !empty(SRCS:M${_i}devs.h)
402 CLEANFILES+= ${_i}devs.h
406 ${_i}devs.h: @/tools/${_i}devs2h.awk @/dev/${_i}/${_i}devs
408 ${AWK} -f @/tools/${_i}devs2h.awk @/dev/${_i}/${_i}devs
412 .if !empty(SRCS:Musbdevs.h)
413 CLEANFILES+= usbdevs.h
417 usbdevs.h: @/tools/usbdevs2h.awk @/dev/usb/usbdevs
419 ${AWK} -f @/tools/usbdevs2h.awk @/dev/usb/usbdevs -h
422 .if !empty(SRCS:Musbdevs_data.h)
423 CLEANFILES+= usbdevs_data.h
427 usbdevs_data.h: @/tools/usbdevs2h.awk @/dev/usb/usbdevs
429 ${AWK} -f @/tools/usbdevs2h.awk @/dev/usb/usbdevs -d
432 .if !empty(SRCS:Macpi_quirks.h)
433 CLEANFILES+= acpi_quirks.h
437 acpi_quirks.h: @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks
439 ${AWK} -f @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks
442 .if !empty(SRCS:Massym.s)
443 CLEANFILES+= assym.s genassym.o
445 .if defined(KERNBUILDDIR)
446 genassym.o: opt_global.h
451 assym.s: @/kern/genassym.sh
453 sh @/kern/genassym.sh genassym.o > ${.TARGET}
455 genassym.o: @/${MACHINE_CPUARCH}/${MACHINE_CPUARCH}/genassym.c
457 genassym.o: @ machine ${SRCS:Mopt_*.h}
458 ${CC} -c ${CFLAGS:N-fno-common} \
459 @/${MACHINE_CPUARCH}/${MACHINE_CPUARCH}/genassym.c
463 ${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC:M*.c}
465 .if defined(KERNBUILDDIR)
466 ${OBJS}: opt_global.h
469 .include <bsd.dep.mk>
471 cleandepend: cleanilinks
472 # .depend needs include links so we remove them only together.
476 .if !exists(${.OBJDIR}/${DEPENDFILE})
477 ${OBJS}: ${SRCS:M*.h}
480 .include <bsd.obj.mk>