f134f3dc38
Replace defined(UNPRIVED) tests with ${MKUNPRIVED} != "no"
Add MKUPDATE; if not no has the same semantics as if UPDATE was defined.
Replace defined(UPDATE) tests with ${MKUPDATE} != "no"
Improve documentation for these and other make flags.
153 lines
3.8 KiB
Makefile
153 lines
3.8 KiB
Makefile
# $NetBSD: bsd.kmod.mk,v 1.65 2003/07/18 08:26:07 lukem Exp $
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.include <bsd.init.mk>
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##### Basic targets
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.PHONY: cleankmod kmodinstall load unload
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clean: cleankmod
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realinstall: kmodinstall
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##### Default values
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S?= /sys
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KERN= $S/kern
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CFLAGS+= -ffreestanding ${COPTS}
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CPPFLAGS+= -nostdinc -I. -I${.CURDIR} -isystem $S -isystem $S/arch
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CPPFLAGS+= -D_KERNEL -D_LKM
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DPSRCS+= ${SRCS:M*.l:.l=.c} ${SRCS:M*.y:.y=.c}
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CLEANFILES+= ${DPSRCS} ${YHEADER:D${SRCS:M*.y:.y=.h}} \
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machine ${MACHINE_CPU} tmp.o
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# see below why this is necessary
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.if ${MACHINE} == "sun2" || ${MACHINE} == "sun3"
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CLEANFILES+= sun68k
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.elif ${MACHINE} == "sparc64"
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CLEANFILES+= sparc
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.elif ${MACHINE} == "i386"
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CLEANFILES+= x86
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.elif ${MACHINE} == "amd64"
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CLEANFILES+= x86
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CFLAGS+= -mcmodel=kernel
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.elif ${MACHINE_ARCH} == "powerpc"
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CLEANFILES+= ${KMOD}_tramp.o ${KMOD}_tramp.S tmp.S ${KMOD}_tmp.o
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.endif
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OBJS+= ${SRCS:N*.h:N*.sh:R:S/$/.o/g}
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PROG?= ${KMOD}.o
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MAN?= ${KMOD}.4
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##### Build rules
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realall: ${PROG}
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${OBJS}: ${DPSRCS}
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.if ${MACHINE_ARCH} == "powerpc"
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${KMOD}_tmp.o: ${OBJS} ${DPADD}
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${LD} -r ${LDFLAGS} -o tmp.o ${OBJS}
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mv tmp.o ${.TARGET}
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${KMOD}_tramp.S: ${KMOD}_tmp.o $S/lkm/arch/${MACHINE_ARCH}/lkmtramp.awk
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${OBJDUMP} --reloc ${KMOD}_tmp.o | \
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awk -f $S/lkm/arch/${MACHINE_ARCH}/lkmtramp.awk > tmp.S
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mv tmp.S ${.TARGET}
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${PROG}: ${KMOD}_tmp.o ${KMOD}_tramp.o
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${LD} -r ${LDFLAGS} \
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`${OBJDUMP} --reloc ${KMOD}_tmp.o | \
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awk -f $S/lkm/arch/${MACHINE_ARCH}/lkmwrap.awk` \
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-o tmp.o ${KMOD}_tmp.o ${KMOD}_tramp.o
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.if exists($S/lkm/arch/${MACHINE_ARCH}/lkmhide.awk)
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${OBJCOPY} \
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`${NM} tmp.o | awk -f $S/lkm/arch/${MACHINE_ARCH}/lkmhide.awk` \
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tmp.o tmp1.o
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mv tmp1.o tmp.o
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.endif
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mv tmp.o ${.TARGET}
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.else
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${PROG}: ${OBJS} ${DPADD}
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${LD} -r ${LDFLAGS} -o tmp.o ${OBJS}
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mv tmp.o ${.TARGET}
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.endif
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# XXX. This should be done a better way. It's @'d to reduce visual spew.
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# XXX .BEGIN is used to make sure the links are done before anything else.
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.if make(depend) || make(all) || make(dependall)
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.BEGIN:
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@rm -f machine && \
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ln -s $S/arch/${MACHINE}/include machine
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@rm -f ${MACHINE_CPU} && \
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ln -s $S/arch/${MACHINE_CPU}/include ${MACHINE_CPU}
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# XXX. it gets worse..
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.if ${MACHINE} == "sun2" || ${MACHINE} == "sun3"
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@rm -f sun68k && \
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ln -s $S/arch/sun68k/include sun68k
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.endif
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.if ${MACHINE} == "sparc64"
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@rm -f sparc && \
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ln -s $S/arch/sparc/include sparc
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.endif
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.if ${MACHINE} == "amd64"
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@rm -f x86 && \
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ln -s $S/arch/x86/include x86
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.endif
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.if ${MACHINE_CPU} == "i386"
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@rm -f x86 && \
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ln -s $S/arch/x86/include x86
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.endif
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.endif
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##### Install rules
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.if !target(kmodinstall)
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_PROG:= ${DESTDIR}${KMODDIR}/${PROG} # installed path
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.if ${MKUPDATE} == "no"
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${_PROG}! ${PROG} # install rule
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.if !defined(BUILD) && !make(all) && !make(${PROG})
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${_PROG}! .MADE # no build at install
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.endif
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.else
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${_PROG}: ${PROG} # install rule
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.if !defined(BUILD) && !make(all) && !make(${PROG})
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${_PROG}: .MADE # no build at install
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.endif
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.endif
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${INSTALL_FILE} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
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${SYSPKGTAG} ${.ALLSRC} ${.TARGET}
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kmodinstall:: ${_PROG}
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.PRECIOUS: ${_PROG} # keep if install fails
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.undef _PROG
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.endif # !target(kmodinstall)
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##### Clean rules
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cleankmod:
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rm -f a.out [Ee]rrs mklog core *.core \
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${PROG} ${OBJS} ${LOBJS} ${CLEANFILES}
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##### Custom rules
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lint: ${LOBJS}
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.if defined(LOBJS) && !empty(LOBJS)
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${LINT} ${LINTFLAGS} ${LDFLAGS:M-L*} ${LOBJS} ${LDADD}
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.endif
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.if !target(load)
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load: ${PROG}
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/sbin/modload ${KMOD_LOADFLAGS} -o ${KMOD} ${PROG}
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.endif
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.if !target(unload)
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unload:
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/sbin/modunload -n ${KMOD}
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.endif
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##### Pull in related .mk logic
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.include <bsd.man.mk>
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.include <bsd.links.mk>
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.include <bsd.dep.mk>
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.include <bsd.sys.mk>
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.-include "$S/arch/${MACHINE_CPU}/include/Makefile.inc"
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.-include "$S/arch/${MACHINE}/include/Makefile.inc"
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