xref: /dragonfly/sys/conf/kmod.mk (revision 2cd2d2b5) 
1#	From: @(#)bsd.prog.mk	5.26 (Berkeley) 6/25/91
2# $FreeBSD: src/sys/conf/kmod.mk,v 1.82.2.15 2003/02/10 13:11:50 nyan Exp $
3# $DragonFly: src/sys/conf/kmod.mk,v 1.16 2004/08/17 18:57:30 dillon Exp $
4#
5# The include file <bsd.kmod.mk> handles installing Kernel Loadable Device
6# drivers (KLD's).
7#
8#
9# +++ variables +++
10#
11# CLEANFILES	Additional files to remove for the clean and cleandir targets.
12#
13# KMOD          The name of the kernel module to build.
14#
15# KMODDIR	Base path for kernel modules (see kld(4)). [/modules]
16#
17# KMODOWN	KLD owner. [${BINOWN}]
18#
19# KMODGRP	KLD group. [${BINGRP}]
20#
21# KMODMODE	KLD mode. [${BINMODE}]
22#
23# KMODLOAD	Command to load a kernel module [/sbin/kldload]
24#
25# KMODUNLOAD	Command to unload a kernel module [/sbin/kldunload]
26#
27# NOMAN		KLD does not have a manual page if set.
28#
29# PROG          The name of the kernel module to build.
30#		If not supplied, ${KMOD}.o is used.
31#
32# SRCS          List of source files
33#
34# KMODDEPS	List of modules which this one is dependant on
35#
36# DESTDIR	Change the tree where the module gets installed. [not set]
37#
38# MFILES	Optionally a list of interfaces used by the module.
39#		This file contains a default list of interfaces.
40#
41# +++ targets +++
42#
43# 	install:
44#               install the kernel module and its manual pages; if the Makefile
45#               does not itself define the target install, the targets
46#               beforeinstall and afterinstall may also be used to cause
47#               actions immediately before and after the install target
48#		is executed.
49#
50# 	load:
51#		Load KLD.
52#
53# 	unload:
54#		Unload KLD.
55#
56# bsd.obj.mk: clean, cleandir and obj
57# bsd.dep.mk: cleandepend, depend and tags
58# bsd.man.mk: maninstall
59#
60
61KMODLOAD?=	/sbin/kldload
62KMODUNLOAD?=	/sbin/kldunload
63
64.include <bsd.init.mk>
65
66.SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S
67
68CFLAGS+=	${COPTS} -D_KERNEL ${CWARNFLAGS}
69CFLAGS+=	-DKLD_MODULE
70
71# Don't use any standard include directories.
72# Since -nostdinc will annull any previous -I paths, we repeat all
73# such paths after -nostdinc.  It doesn't seem to be possible to
74# add to the front of `make' variable.
75#
76# Don't use -I- anymore, source-relative includes are desireable.
77_ICFLAGS:=	${CFLAGS:M-I*}
78CFLAGS+=	-nostdinc ${_ICFLAGS}
79
80# Add -I paths for system headers.  Individual KLD makefiles don't
81# need any -I paths for this.  Similar defaults for .PATH can't be
82# set because there are no standard paths for non-headers.
83CFLAGS+=	-I. -I@
84
85# Add a -I path to standard headers like <stddef.h>.  Use a relative
86# path to src/include if possible.  If the @ symlink hasn't been built
87# yet, then we can't tell if the relative path exists.  Add both the
88# potential relative path and an absolute path in that case.
89.if exists(@)
90.if exists(@/../include)
91CFLAGS+=	-I@/../include
92.else
93CFLAGS+=	-I${DESTDIR}/usr/include
94.endif
95.else # !@
96CFLAGS+=	-I@/../include -I${DESTDIR}/usr/include
97.endif # @
98
99CFLAGS+=	${DEBUG_FLAGS}
100
101OBJS+=  ${SRCS:N*.h:N*.patch:R:S/$/.o/g}
102.for _PATCH in ${SRCS:T:N*.h.patch:M*.patch}
103.for _OBJ in ${_PATCH:R:R:S/$/.o/}
104OBJS:=	${OBJS:N${_OBJ}} ${_OBJ}
105.endfor
106.endfor
107
108.if !defined(PROG)
109PROG=	${KMOD}.ko
110.endif
111
112${PROG}: ${KMOD}.kld ${KMODDEPS}
113	${LD} -Bshareable ${LDFLAGS} -o ${.TARGET} ${KMOD}.kld ${KMODDEPS}
114
115.if defined(KMODDEPS)
116.for dep in ${KMODDEPS}
117CLEANFILES+=	${dep} __${dep}_hack_dep.c
118
119${dep}:
120	touch __${dep}_hack_dep.c
121	${CC} -shared ${CFLAGS} -o ${dep} __${dep}_hack_dep.c
122.endfor
123.endif
124
125${KMOD}.kld: ${OBJS}
126	${LD} ${LDFLAGS} -r -o ${.TARGET} ${OBJS}
127
128.if !defined(NOMAN)
129.include <bsd.man.mk>
130.endif
131
132_ILINKS=@ machine
133.if defined(ARCH)
134_ILINKS+=${ARCH}
135.endif
136
137all: objwarn ${PROG}
138.if !defined(NOMAN)
139all: _manpages
140.endif
141
142beforedepend: ${_ILINKS}
143# Ensure that the links exist without depending on it when it exists which
144# causes all the modules to be rebuilt when the directory pointed to changes.
145.for _link in ${_ILINKS}
146.if !exists(${.OBJDIR}/${_link})
147${OBJS}: ${_link}
148.endif
149.endfor
150
151# Search for kernel source tree in standard places.
152.for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. ${.CURDIR}/../../../.. /sys /usr/src/sys
153.if !defined(SYSDIR) && exists(${_dir}/kern/)
154SYSDIR=	${_dir}
155.endif
156.endfor
157.if !defined(SYSDIR) || !exists(${SYSDIR}/kern)
158.error "can't find kernel source tree"
159.endif
160
161#	path=`(cd $$path && /bin/pwd)` ;
162
163${_ILINKS}:
164	@case ${.TARGET} in \
165	machine) \
166		path=${SYSDIR}/${MACHINE_ARCH}/include ;; \
167	@) \
168		path=${SYSDIR} ;; \
169	arch_*) \
170		path=${.CURDIR}/${MACHINE_ARCH} ;; \
171	esac ; \
172	${ECHO} ${.TARGET} "->" $$path ; \
173	ln -s $$path ${.TARGET}
174
175CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS} ${_ILINKS} symb.tmp tmp.o
176
177.if !target(install)
178
179_INSTALLFLAGS:=	${INSTALLFLAGS}
180.for ie in ${INSTALLFLAGS_EDIT}
181_INSTALLFLAGS:=	${_INSTALLFLAGS${ie}}
182.endfor
183
184.if !target(realinstall)
185realinstall: _kmodinstall
186.ORDER: beforeinstall _kmodinstall
187_kmodinstall:
188	${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
189	    ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR}
190.endif !target(realinstall)
191
192.include <bsd.links.mk>
193
194.if !defined(NOMAN)
195realinstall: _maninstall
196.ORDER: beforeinstall _maninstall
197.endif
198
199.endif !target(install)
200
201.if !target(load)
202load:	${PROG}
203	${KMODLOAD} -v ./${KMOD}.ko
204.endif
205
206.if !target(unload)
207unload:
208	${KMODUNLOAD} -v ${KMOD}
209.endif
210
211.for _src in ${SRCS:Mopt_*.h}
212CLEANFILES+=	${_src}
213.if !target(${_src})
214${_src}:
215	touch ${.TARGET}
216.endif
217.endfor
218
219MFILES?= kern/bus_if.m kern/device_if.m bus/iicbus/iicbb_if.m \
220    bus/iicbus/iicbus_if.m bus/isa/isa_if.m dev/netif/mii_layer/miibus_if.m \
221    bus/pccard/card_if.m bus/pccard/power_if.m bus/pci/pci_if.m \
222    bus/pci/pcib_if.m \
223    bus/ppbus/ppbus_if.m bus/smbus/smbus_if.m bus/usb/usb_if.m \
224    dev/sound/pcm/ac97_if.m dev/sound/pcm/channel_if.m \
225    dev/sound/pcm/feeder_if.m dev/sound/pcm/mixer_if.m \
226    libiconv/iconv_converter_if.m dev/agp/agp_if.m opencrypto/crypto_if.m \
227    bus/canbus/canbus_if.m
228
229.for _srcsrc in ${MFILES}
230.for _ext in c h
231.for _src in ${SRCS:M${_srcsrc:T:R}.${_ext}}
232CLEANFILES+=	${_src}
233.if !target(${_src})
234${_src}: @
235.if exists(@)
236${_src}: @/tools/makeobjops.awk @/${_srcsrc}
237.endif
238	awk -f @/tools/makeobjops.awk -- -${_ext} @/${_srcsrc}
239.endif
240.endfor # _src
241.endfor # _ext
242.endfor # _srcsrc
243
244#.for _ext in c h
245#.if ${SRCS:Mvnode_if.${_ext}} != ""
246#CLEANFILES+=	vnode_if.${_ext}
247#vnode_if.${_ext}: @
248#.if exists(@)
249#vnode_if.${_ext}: @/tools/vnode_if.awk @/kern/vnode_if.src
250#.endif
251#	awk -f @/tools/vnode_if.awk -- -${_ext} @/kern/vnode_if.src
252#.endif
253#.endfor
254
255regress:
256
257.include <bsd.dep.mk>
258
259.if !exists(${DEPENDFILE})
260${OBJS}: ${SRCS:M*.h}
261.endif
262
263.include <bsd.obj.mk>
264.include "bsd.kern.mk"
265
266# Behaves like MODULE_OVERRIDE
267.if defined(KLD_DEPS)
268all: _kdeps_all
269_kdeps_all: @
270.for _mdep in ${KLD_DEPS}
271	cd ${SYSDIR}/${_mdep} && make all
272.endfor
273depend: _kdeps_depend
274_kdeps_depend: @
275.for _mdep in ${KLD_DEPS}
276	cd ${SYSDIR}/${_mdep} && make depend
277.endfor
278install: _kdeps_install
279_kdeps_install: @
280.for _mdep in ${KLD_DEPS}
281	cd ${SYSDIR}/${_mdep} && make install
282.endfor
283clean: _kdeps_clean
284_kdeps_clean: @
285.for _mdep in ${KLD_DEPS}
286	cd ${SYSDIR}/${_mdep} && make clean
287.endfor
288.endif
289