172 lines
4.7 KiB
Makefile
172 lines
4.7 KiB
Makefile
# $FreeBSD$
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# Part of a unified Makefile for building kernels. This part contains all
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# of the definitions that need to be before %BEFORE_DEPEND.
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.include <bsd.own.mk>
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# backwards compat option for older systems.
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MACHINE_CPUARCH?=${MACHINE_ARCH:C/mipse[lb]/mips/:C/armeb/arm/:C/powerpc64/powerpc/}
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# Can be overridden by makeoptions or /etc/make.conf
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KERNEL_KO?= kernel
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KERNEL?= kernel
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KODIR?= /boot/${KERNEL}
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LDSCRIPT_NAME?= ldscript.$M
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LDSCRIPT?= $S/conf/${LDSCRIPT_NAME}
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M= ${MACHINE_CPUARCH}
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AWK?= awk
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LINT?= lint
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NM?= nm
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OBJCOPY?= objcopy
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SIZE?= size
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.if defined(DEBUG)
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_MINUS_O= -O
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CTFFLAGS+= -g
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.else
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.if ${MACHINE_CPUARCH} == "powerpc"
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_MINUS_O= -O # gcc miscompiles some code at -O2
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.else
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_MINUS_O= -O2
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.endif
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.endif
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.if ${MACHINE_CPUARCH} == "amd64"
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COPTFLAGS?=-O2 -frename-registers -pipe
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.else
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COPTFLAGS?=${_MINUS_O} -pipe
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.endif
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.if !empty(COPTFLAGS:M-O[23s]) && empty(COPTFLAGS:M-fno-strict-aliasing)
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COPTFLAGS+= -fno-strict-aliasing
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.endif
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.if !defined(NO_CPU_COPTFLAGS)
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COPTFLAGS+= ${_CPUCFLAGS}
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.endif
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C_DIALECT= -std=c99
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NOSTDINC= -nostdinc
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INCLUDES= ${NOSTDINC} ${INCLMAGIC} -I. -I$S
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# This hack lets us use the OpenBSD altq code without spamming a new
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# include path into contrib'ed source files.
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INCLUDES+= -I$S/contrib/altq
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.if make(depend) || make(kernel-depend)
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# ... and the same for ipfilter
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INCLUDES+= -I$S/contrib/ipfilter
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# ... and the same for pf
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INCLUDES+= -I$S/contrib/pf
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# ... and the same for ath
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INCLUDES+= -I$S/dev/ath -I$S/dev/ath/ath_hal
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# ... and the same for the NgATM stuff
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INCLUDES+= -I$S/contrib/ngatm
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# .. and the same for twa
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INCLUDES+= -I$S/dev/twa
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# ... and XFS
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INCLUDES+= -I$S/gnu/fs/xfs/FreeBSD -I$S/gnu/fs/xfs/FreeBSD/support -I$S/gnu/fs/xfs
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# ... and the same for cxgb and cxgbe
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INCLUDES+= -I$S/dev/cxgb -I$S/dev/cxgbe
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.endif
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CFLAGS= ${COPTFLAGS} ${C_DIALECT} ${DEBUG} ${CWARNFLAGS}
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CFLAGS+= ${INCLUDES} -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h
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.if ${CC:T:Mclang} != "clang"
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CFLAGS+= -fno-common -finline-limit=${INLINE_LIMIT}
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.if ${MACHINE_CPUARCH} != "mips"
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CFLAGS+= --param inline-unit-growth=100
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CFLAGS+= --param large-function-growth=1000
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.else
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# XXX Actually a gross hack just for Octeon because of the Simple Executive.
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CFLAGS+= --param inline-unit-growth=10000
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CFLAGS+= --param large-function-growth=100000
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CFLAGS+= --param max-inline-insns-single=10000
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.endif
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.endif
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WERROR?= -Werror
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# XXX LOCORE means "don't declare C stuff" not "for locore.s".
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ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS}
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.if defined(PROFLEVEL) && ${PROFLEVEL} >= 1
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CFLAGS+= -DGPROF -falign-functions=16
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.if ${PROFLEVEL} >= 2
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CFLAGS+= -DGPROF4 -DGUPROF
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PROF= -pg -mprofiler-epilogue
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.else
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PROF= -pg
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.endif
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.endif
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DEFINED_PROF= ${PROF}
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# Put configuration-specific C flags last (except for ${PROF}) so that they
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# can override the others.
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CFLAGS+= ${CONF_CFLAGS}
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# Optional linting. This can be overridden in /etc/make.conf.
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LINTFLAGS= ${LINTOBJKERNFLAGS}
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NORMAL_C= ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.IMPSRC}
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NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${WERROR} ${.IMPSRC}
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PROFILE_C= ${CC} -c ${CFLAGS} ${WERROR} ${.IMPSRC}
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NORMAL_C_NOWERROR= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC}
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NORMAL_M= ${AWK} -f $S/tools/makeobjops.awk ${.IMPSRC} -c ; \
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${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.PREFIX}.c
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.if defined(WITH_CTF)
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NORMAL_CTFCONVERT= ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
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.else
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NORMAL_CTFCONVERT= :
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.endif
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NORMAL_LINT= ${LINT} ${LINTFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC}
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# Infiniband C flags. Correct include paths and omit errors that linux
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# does not honor.
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OFEDINCLUDES= -I$S/ofed/include/
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OFEDNOERR= -Wno-cast-qual -Wno-pointer-arith -fms-extensions
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OFEDCFLAGS= ${CFLAGS:N-I*} ${OFEDINCLUDES} ${CFLAGS:M-I*} ${OFEDNOERR}
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OFED_C_NOIMP= ${CC} -c -o ${.TARGET} ${OFEDCFLAGS} ${WERROR} ${PROF}
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OFED_C= ${OFED_C_NOIMP} ${.IMPSRC}
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GEN_CFILES= $S/$M/$M/genassym.c ${MFILES:T:S/.m$/.c/}
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SYSTEM_CFILES= config.c env.c hints.c vnode_if.c
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SYSTEM_DEP= Makefile ${SYSTEM_OBJS}
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SYSTEM_OBJS= locore.o ${MDOBJS} ${OBJS}
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SYSTEM_OBJS+= ${SYSTEM_CFILES:.c=.o}
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SYSTEM_OBJS+= hack.So
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SYSTEM_LD= @${LD} -Bdynamic -T ${LDSCRIPT} \
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-warn-common -export-dynamic -dynamic-linker /red/herring \
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-o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
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SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \
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${SIZE} ${.TARGET} ; chmod 755 ${.TARGET}
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SYSTEM_DEP+= ${LDSCRIPT}
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# MKMODULESENV is set here so that port makefiles can augment
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# them.
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MKMODULESENV+= MAKEOBJDIRPREFIX=${.OBJDIR}/modules KMODDIR=${KODIR}
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MKMODULESENV+= MACHINE_CPUARCH=${MACHINE_CPUARCH}
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.if (${KERN_IDENT} == LINT)
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MKMODULESENV+= ALL_MODULES=LINT
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.endif
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.if defined(MODULES_OVERRIDE)
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MKMODULESENV+= MODULES_OVERRIDE="${MODULES_OVERRIDE}"
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.endif
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.if defined(WITHOUT_MODULES)
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MKMODULESENV+= WITHOUT_MODULES="${WITHOUT_MODULES}"
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.endif
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.if defined(DEBUG)
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MKMODULESENV+= DEBUG_FLAGS="${DEBUG}"
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.endif
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