Make modules work again part 1: wire up the module build for bus/
[dragonfly.git] / sys / conf / kmod.mk
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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 $
e5d18209 3# $DragonFly: src/sys/conf/kmod.mk,v 1.4 2003/08/08 03:57:35 dillon Exp $
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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
e5d18209 71# Don't use any standard include directories.
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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.
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75#
76# Don't use -I- anymore, source-relative includes are desireable.
984263bc 77_ICFLAGS:= ${CFLAGS:M-I*}
e5d18209 78CFLAGS+= -nostdinc ${_ICFLAGS}
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79
80# Add -I paths for system headers. Individual KLD makefiles don't
81# need any -I paths for this. Similar defaults for .PATH can't be
82# set because there are no standard paths for non-headers.
83CFLAGS+= -I. -I@
84
85# Add a -I path to standard headers like <stddef.h>. Use a relative
86# path to src/include if possible. If the @ symlink hasn't been built
87# yet, then we can't tell if the relative path exists. Add both the
88# potential relative path and an absolute path in that case.
89.if exists(@)
90.if exists(@/../include)
91CFLAGS+= -I@/../include
92.else
93CFLAGS+= -I${DESTDIR}/usr/include
94.endif
95.else # !@
96CFLAGS+= -I@/../include -I${DESTDIR}/usr/include
97.endif # @
98
99CFLAGS+= ${DEBUG_FLAGS}
100
101.if ${OBJFORMAT} == elf
102CLEANFILES+= setdef0.c setdef1.c setdefs.h
103CLEANFILES+= setdef0.o setdef1.o
104.endif
105
106OBJS+= ${SRCS:N*.h:R:S/$/.o/g}
107
108.if !defined(PROG)
109PROG= ${KMOD}.ko
110.endif
111
112${PROG}: ${KMOD}.kld ${KMODDEPS}
113.if ${OBJFORMAT} == elf
114 gensetdefs ${KMOD}.kld
115 ${CC} ${CFLAGS} -c setdef0.c
116 ${CC} ${CFLAGS} -c setdef1.c
117 ${LD} -Bshareable ${LDFLAGS} -o ${.TARGET} setdef0.o ${KMOD}.kld setdef1.o ${KMODDEPS}
118.else
119 ${LD} -Bshareable ${LDFLAGS} -o ${.TARGET} ${KMOD}.kld ${KMODDEPS}
120.endif
121
122.if defined(KMODDEPS)
123.for dep in ${KMODDEPS}
124CLEANFILES+= ${dep} __${dep}_hack_dep.c
125
126${dep}:
127 touch __${dep}_hack_dep.c
128 ${CC} -shared ${CFLAGS} -o ${dep} __${dep}_hack_dep.c
129.endfor
130.endif
131
132${KMOD}.kld: ${OBJS}
133 ${LD} ${LDFLAGS} -r -o ${.TARGET} ${OBJS}
134
135.if !defined(NOMAN)
136.include <bsd.man.mk>
137.endif
138
139_ILINKS=@ machine
140
141all: objwarn ${PROG}
142.if !defined(NOMAN)
143all: _manpages
144.endif
145
146beforedepend: ${_ILINKS}
147# Ensure that the links exist without depending on it when it exists which
148# causes all the modules to be rebuilt when the directory pointed to changes.
149.for _link in ${_ILINKS}
150.if !exists(${.OBJDIR}/${_link})
151${OBJS}: ${_link}
152.endif
153.endfor
154
155# Search for kernel source tree in standard places.
156.for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. /sys /usr/src/sys
157.if !defined(SYSDIR) && exists(${_dir}/kern/)
158SYSDIR= ${_dir}
159.endif
160.endfor
161.if !defined(SYSDIR) || !exists(${SYSDIR}/kern)
162.error "can't find kernel source tree"
163.endif
164
165${_ILINKS}:
166 @case ${.TARGET} in \
167 machine) \
168 path=${SYSDIR}/${MACHINE_ARCH}/include ;; \
169 @) \
170 path=${SYSDIR} ;; \
171 esac ; \
172 path=`(cd $$path && /bin/pwd)` ; \
173 ${ECHO} ${.TARGET} "->" $$path ; \
174 ln -s $$path ${.TARGET}
175
176CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS} ${_ILINKS} symb.tmp tmp.o
177
178.if !target(install)
179
180_INSTALLFLAGS:= ${INSTALLFLAGS}
181.for ie in ${INSTALLFLAGS_EDIT}
182_INSTALLFLAGS:= ${_INSTALLFLAGS${ie}}
183.endfor
184
185.if !target(realinstall)
186realinstall: _kmodinstall
187.ORDER: beforeinstall _kmodinstall
188_kmodinstall:
189 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
190 ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR}
191.endif !target(realinstall)
192
193.include <bsd.links.mk>
194
195.if !defined(NOMAN)
196realinstall: _maninstall
197.ORDER: beforeinstall _maninstall
198.endif
199
200.endif !target(install)
201
202.if !target(load)
203load: ${PROG}
204 ${KMODLOAD} -v ./${KMOD}.ko
205.endif
206
207.if !target(unload)
208unload:
209 ${KMODUNLOAD} -v ${KMOD}
210.endif
211
212.for _src in ${SRCS:Mopt_*.h}
213CLEANFILES+= ${_src}
214.if !target(${_src})
215${_src}:
216 touch ${.TARGET}
217.endif
218.endfor
219
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220MFILES?= kern/bus_if.m kern/device_if.m bus/iicbus/iicbb_if.m \
221 bus/iicbus/iicbus_if.m bus/isa/isa_if.m dev/netif/mii_layer/miibus_if.m \
222 dev/misc/pccard/card_if.m dev/misc/pccard/power_if.m bus/pci/pci_if.m \
223 bus/ppbus/ppbus_if.m bus/smbus/smbus_if.m bus/usb/usb_if.m \
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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 \
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226 libkern/iconv_converter_if.m dev/agp/agp_if.m opencrypto/crypto_if.m \
227 bus/canbus/canbus_if.m
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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}: @/kern/makeops.pl @/${_srcsrc}
237.endif
238 perl @/kern/makeops.pl -${_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}} != ""
246CLEANFILES+= vnode_if.${_ext}
247vnode_if.${_ext}: @
248.if exists(@)
249vnode_if.${_ext}: @/kern/vnode_if.pl @/kern/vnode_if.src
250.endif
251 perl @/kern/vnode_if.pl -${_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>