# From: @(#)bsd.prog.mk 5.26 (Berkeley) 6/25/91 # $Id: bsd.kmod.mk,v 1.51 1998/08/08 07:02:07 peter Exp $ # # The include file handles installing Loadable Kernel Modules. # # # +++ variables +++ # # CLEANFILES Additional files to remove for the clean and cleandir targets. # # DISTRIBUTION Name of distribution. [bin] # # EXPORT_SYMS ??? # # KERN Main Kernel source directory. [${.CURDIR}/../../sys/kern] # # KMOD The name of the loadable kernel module to build. # # KMODDIR Base path for loadable kernel modules # (see lkm(4)). [/lkm] # # KMODOWN LKM owner. [${BINOWN}] # # KMODGRP LKM group. [${BINGRP}] # # KMODMODE LKM mode. [${BINMODE}] # # LINKS The list of LKM links; should be full pathnames, the # linked-to file coming first, followed by the linked # file. The files are hard-linked. For example, to link # /lkm/master and /lkm/meister, use: # # LINKS= /lkm/master /lkm/meister # # LN_FLAGS Flags for ln(1) (see variable LINKS) # # MODLOAD Command to load a kernel module [/sbin/modload] # # MODUNLOAD Command to unload a kernel module [/sbin/modunload] # # NOMAN LKM does not have a manual page if set. # # PROG The name of the loadable kernel module to build. # If not supplied, ${KMOD}.o is used. # # PSEUDO_LKM ??? # # SRCS List of source files # # SUBDIR A list of subdirectories that should be built as well. # Each of the targets will execute the same target in the # subdirectories. # # DESTDIR, DISTDIR are set by other Makefiles (e.g. bsd.own.mk) # # # +++ targets +++ # # distribute: # This is a variant of install, which will # put the stuff into the right "distribution". # # install: # install the program and its manual pages; if the Makefile # does not itself define the target install, the targets # beforeinstall and afterinstall may also be used to cause # actions immediately before and after the install target # is executed. # # load: # Load LKM. # # unload: # Unload LKM. # # bsd.obj.mk: clean, cleandir and obj # bsd.dep.mk: cleandepend, depend and tags # bsd.man.mk: maninstall # MODLOAD?= /sbin/modload MODUNLOAD?= /sbin/modunload .if !target(__initialized__) __initialized__: .if exists(${.CURDIR}/../Makefile.inc) .include "${.CURDIR}/../Makefile.inc" .endif .endif .SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S CFLAGS+= ${COPTS} -DKERNEL -DACTUALLY_LKM_NOT_KERNEL ${CWARNFLAGS} # Don't use any standard or source-relative include directories. # Since -nostdinc will annull any previous -I paths, we repeat all # such paths after -nostdinc. It doesn't seem to be possible to # add to the front of `make' variable. _ICFLAGS:= ${CFLAGS:M-I*} CFLAGS+= -nostdinc -I- ${_ICFLAGS} # Add -I paths for system headers. Individual LKM makefiles don't # need any -I paths for this. Similar defaults for .PATH can't be # set because there are no standard paths for non-headers. CFLAGS+= -I${.OBJDIR} -I${.OBJDIR}/@ # XXX this is now dubious. .if defined(DESTDIR) CFLAGS+= -I${DESTDIR}/usr/include .endif # XXX temporary until we build ELF kernels. CFLAGS+= -aout LDFLAGS+= -aout .if defined(NOSHARED) && ( ${NOSHARED} != "no" && ${NOSHARED} != "NO" ) LDFLAGS+= -static .endif EXPORT_SYMS?= _${KMOD} .if defined(VFS_LKM) CFLAGS+= -DVFS_LKM -DMODVNOPS=${KMOD}vnops SRCS+= vnode_if.h CLEANFILES+= vnode_if.h vnode_if.c .endif .if defined(PSEUDO_LKM) CFLAGS+= -DPSEUDO_LKM .endif OBJS+= ${SRCS:N*.h:R:S/$/.o/g} .if !defined(PROG) PROG= ${KMOD}.o .endif ${PROG}: ${OBJS} ${DPADD} ${LD} -r ${LDFLAGS:N-static} -o tmp.o ${OBJS} .if defined(EXPORT_SYMS) rm -f symb.tmp for i in ${EXPORT_SYMS} ; do echo $$i >> symb.tmp ; done symorder -c symb.tmp tmp.o rm -f symb.tmp .endif mv tmp.o ${.TARGET} .if !defined(NOMAN) .include .if !defined(_MANPAGES) || empty(_MANPAGES) MAN1= ${KMOD}.4 .endif .elif !target(maninstall) maninstall: _SUBDIR all-man: .endif _ILINKS=@ machine .MAIN: all all: objwarn ${PROG} all-man _SUBDIR beforedepend ${OBJS}: ${_ILINKS} # The search for the link targets works best if we are in a normal src # tree, and not too deeply below src/lkm. If we are near "/", then # we may find /sys - this is harmless. Other abnormal "sys" directories # found in the search are likely to cause problems. If nothing is found, # then the links default to /usr/include and /usr/include/machine. ${_ILINKS}: @for up in ../.. ../../.. ; do \ case ${.TARGET} in \ machine) \ path=${.CURDIR}/$$up/sys/${MACHINE_ARCH}/include ; \ defaultpath=/usr/include/machine ;; \ @) \ path=${.CURDIR}/$$up/sys ; \ defaultpath=/usr/include ;; \ esac ; \ if [ -d $$path ] ; then break ; fi ; \ path=$$defaultpath ; \ done ; \ path=`(cd $$path && /bin/pwd)` ; \ ${ECHO} ${.TARGET} "->" $$path ; \ ln -s $$path ${.TARGET} CLEANFILES+= ${KMOD} ${PROG} ${OBJS} ${_ILINKS} lkm_verify_tmp symb.tmp tmp.o .if !target(install) .if !target(beforeinstall) beforeinstall: .endif .if !target(afterinstall) afterinstall: .endif realinstall: _SUBDIR ${INSTALL} ${COPY} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ ${INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR} .if defined(LINKS) && !empty(LINKS) @set ${LINKS}; \ while test $$# -ge 2; do \ l=${DESTDIR}$$1; \ shift; \ t=${DESTDIR}$$1; \ shift; \ ${ECHO} $$t -\> $$l; \ rm -f $$t; \ ln ${LN_FLAGS} $$l $$t; \ done; true .endif install: afterinstall _SUBDIR .if !defined(NOMAN) afterinstall: realinstall maninstall .else afterinstall: realinstall .endif realinstall: beforeinstall .endif DISTRIBUTION?= bin .if !target(distribute) distribute: _SUBDIR .for dist in ${DISTRIBUTION} cd ${.CURDIR} ; $(MAKE) install DESTDIR=${DISTDIR}/${dist} SHARED=copies .endfor .endif .if !target(load) load: ${PROG} ${MODLOAD} -o ${KMOD} -e${KMOD} ${PROG} .endif .if !target(unload) unload: ${PROG} ${MODUNLOAD} -n ${KMOD} .endif KERN= ${.CURDIR}/../../sys/kern vnode_if.h: ${KERN}/vnode_if.sh ${KERN}/vnode_if.src sh ${KERN}/vnode_if.sh ${KERN}/vnode_if.src _sysregress: ${_INLINKS} ${PROG} ld -A /sys/compile/LKM/kernel ${PROG} ${DEPLKMS} -o lkm_verify_tmp rm lkm_verify_tmp regress: _sysregress .include .if !exists(${DEPENDFILE}) ${OBJS}: ${SRCS:M*.h} .endif .include .include