171 lines
4.5 KiB
Makefile
171 lines
4.5 KiB
Makefile
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# $NetBSD: bsd.kmodule.mk,v 1.37 2012/08/10 16:34:23 joerg Exp $
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# We are not building this with PIE
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MKPIE=no
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.include <bsd.init.mk>
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.include <bsd.klinks.mk>
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.include <bsd.sys.mk>
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##### Basic targets
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realinstall: kmodinstall
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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+= -isystem ${S}/../common/include
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CPPFLAGS+= -D_KERNEL -D_LKM -D_MODULE -DSYSCTL_INCLUDE_DESCR
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# XXX until the kernel is fixed again...
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CFLAGS+= -fno-strict-aliasing -Wno-pointer-sign
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# XXX This is a workaround for platforms that have relative relocations
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# that, when relocated by the module loader, result in addresses that
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# overflow the size of the relocation (e.g. R_PPC_REL24 in powerpc).
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# The real solution to this involves generating trampolines for those
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# relocations inside the loader and removing this workaround, as the
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# resulting code would be much faster.
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.if ${MACHINE_CPU} == "arm"
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CFLAGS+= -mlong-calls
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.elif ${MACHINE_CPU} == "powerpc"
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CFLAGS+= -mlongcall
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.elif ${MACHINE_CPU} == "vax"
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CFLAGS+= -fno-pic
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.endif
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# evbppc needs some special help
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.if ${MACHINE} == "evbppc"
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. ifndef PPC_INTR_IMPL
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PPC_INTR_IMPL=\"powerpc/intr.h\"
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. endif
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. ifndef PPC_PCI_MACHDEP_IMPL
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PPC_PCI_MACHDEP_IMPL=\"powerpc/pci_machdep.h\"
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. endif
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CPPFLAGS+= -DPPC_INTR_IMPL=${PPC_INTR_IMPL}
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CPPFLAGS+= -DPPC_PCI_MACHDEP_IMPL=${DPPC_PCI_MACHDEP_IMPL}
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. ifdef PPC_IBM4XX
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CPPFLAGS+= -DPPC_IBM4XX
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. elifdef PPC_BOOKE
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CPPFLAGS+= -DPPC_BOOKE
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. else
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CPPFLAGS+= -DPPC_OEA
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. endif
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.endif
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_YKMSRCS= ${SRCS:M*.[ly]:C/\..$/.c/} ${YHEADER:D${SRCS:M*.y:.y=.h}}
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DPSRCS+= ${_YKMSRCS}
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CLEANFILES+= ${_YKMSRCS}
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.if exists($S/../sys/modules/xldscripts/kmodule)
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KMODSCRIPT= $S/../sys/modules/xldscripts/kmodule
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.else
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KMODSCRIPT= ${DESTDIR}/usr/libdata/ldscripts/kmodule
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.endif
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PROG?= ${KMOD}.kmod
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##### Build rules
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realall: ${PROG}
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.if (defined(USE_COMBINE) && ${USE_COMBINE} != "no" && !commands(${_P}) \
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&& !defined(NOCOMBINE.${_P}) && !defined(NOCOMBINE))
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.for f in ${SRCS:N*.h:N*.sh:N*.fth:C/\.[yl]$/.c/g}
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.if (${CPPFLAGS.$f:D1} == "1" || ${CPUFLAGS.$f:D2} == "2" \
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|| ${COPTS.$f:D3} == "3" || ${OBJCOPTS.$f:D4} == "4" \
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|| ${CXXFLAGS.$f:D5} == "5") \
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|| ("${f:M*.[cyl]}" == "" || commands(${f:R:S/$/.o/}))
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XOBJS+= ${f:R:S/$/.o/}
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.else
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XSRCS+= ${f}
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NODPSRCS+= ${f}
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.endif
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.endfor
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.if !empty(XOBJS)
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${XOBJS}: ${DPSRCS}
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.endif
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${PROG}: ${XOBJS} ${XSRCS} ${DPSRCS} ${DPADD}
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${_MKTARGET_LINK}
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${CC} ${LDFLAGS} -nostdlib -MD -combine -r -Wl,-T,${KMODSCRIPT},-d \
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-o ${.TARGET} ${CFLAGS} ${CPPFLAGS} ${XOBJS} \
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${XSRCS:@.SRC.@${.ALLSRC:M*.c:M*${.SRC.}}@:O:u} && \
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echo '.-include "${KMOD}.d"' > .depend
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.else
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OBJS+= ${SRCS:N*.h:N*.sh:R:S/$/.o/g}
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${OBJS} ${LOBJS}: ${DPSRCS}
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${PROG}: ${OBJS} ${DPADD}
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${_MKTARGET_LINK}
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${CC} ${LDFLAGS} -nostdlib -r -Wl,-T,${KMODSCRIPT},-d \
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-o ${.TARGET} ${OBJS}
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.endif
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##### Install rules
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.if !target(kmodinstall)
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.if !defined(KMODULEDIR)
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_OSRELEASE!= ${HOST_SH} $S/conf/osrelease.sh -k
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# Ensure these are recorded properly in METALOG on unprived installes:
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KMODULEARCHDIR?= ${MACHINE}
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_INST_DIRS= ${DESTDIR}/stand/${KMODULEARCHDIR}
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_INST_DIRS+= ${DESTDIR}/stand/${KMODULEARCHDIR}/${_OSRELEASE}
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_INST_DIRS+= ${DESTDIR}/stand/${KMODULEARCHDIR}/${_OSRELEASE}/modules
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KMODULEDIR= ${DESTDIR}/stand/${KMODULEARCHDIR}/${_OSRELEASE}/modules/${KMOD}
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.endif
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_PROG:= ${KMODULEDIR}/${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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${_PROG}: .MADE # no build at install
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.endif
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.endif
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${_MKTARGET_INSTALL}
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dirs=${_INST_DIRS:Q}; \
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for d in $$dirs; do \
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${INSTALL_DIR} $$d; \
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done
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${INSTALL_DIR} ${KMODULEDIR}
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${INSTALL_FILE} -o ${KMODULEOWN} -g ${KMODULEGRP} -m ${KMODULEMODE} \
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${.ALLSRC} ${.TARGET}
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kmodinstall:: ${_PROG}
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.PHONY: kmodinstall
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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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CLEANFILES+= a.out [Ee]rrs mklog core *.core ${PROG} ${OBJS} ${LOBJS}
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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:C/-L[ ]*/-L/Wg:M-L*} ${LOBJS} ${LDADD}
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.endif
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##### Pull in related .mk logic
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LINKSOWN?= ${KMODULEOWN}
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LINKSGRP?= ${KMODULEGRP}
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LINKSMODE?= ${KMODULEMODE}
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.include <bsd.man.mk>
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.include <bsd.links.mk>
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.include <bsd.dep.mk>
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.include <bsd.clean.mk>
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.-include "$S/arch/${MACHINE_CPU}/include/Makefile.inc"
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.-include "$S/arch/${MACHINE}/include/Makefile.inc"
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