270 lines
9.3 KiB
Makefile
270 lines
9.3 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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# Allow user to configure things that only effect src tree builds.
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# Note: This is duplicated from src.sys.mk to ensure that we include
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# /etc/src.conf when building the kernel. Kernels can be built without
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# the rest of /usr/src, but they still always process SRCCONF even though
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# the normal mechanisms to prevent that (compiling out of tree) won't
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# work. To ensure they do work, we have to duplicate thee few lines here.
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SRCCONF?= /etc/src.conf
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.if (exists(${SRCCONF}) || ${SRCCONF} != "/etc/src.conf") && !target(_srcconf_included_)
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.include "${SRCCONF}"
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_srcconf_included_:
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.endif
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.include <bsd.own.mk>
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.include <bsd.compiler.mk>
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.include "kern.opts.mk"
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# The kernel build always occurs in the object directory which is .CURDIR.
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.if ${.MAKE.MODE:Unormal:Mmeta}
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.MAKE.MODE+= curdirOk=yes
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.endif
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# The kernel build always expects .OBJDIR=.CURDIR.
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.OBJDIR: ${.CURDIR}
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.if defined(NO_OBJWALK) || ${MK_AUTO_OBJ} == "yes"
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NO_OBJWALK= t
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NO_MODULES_OBJ= t
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.endif
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.if !defined(NO_OBJWALK)
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_obj= obj
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.endif
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# Can be overridden by makeoptions or /etc/make.conf
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KERNEL_KO?= kernel
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KERNEL?= kernel
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KODIR?= /boot/${KERNEL}
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LDSCRIPT_NAME?= ldscript.$M
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LDSCRIPT?= $S/conf/${LDSCRIPT_NAME}
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M= ${MACHINE}
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AWK?= awk
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CP?= cp
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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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.if ${COMPILER_TYPE} == "clang"
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COPTFLAGS?=-O2 -pipe
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.else
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COPTFLAGS?=-O2 -frename-registers -pipe
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.endif
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.else
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COPTFLAGS?=${_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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NOSTDINC= -nostdinc
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INCLUDES= ${NOSTDINC} ${INCLMAGIC} -I. -I$S
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CFLAGS= ${COPTFLAGS} ${DEBUG}
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CFLAGS+= ${INCLUDES} -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h
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CFLAGS_PARAM_INLINE_UNIT_GROWTH?=100
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CFLAGS_PARAM_LARGE_FUNCTION_GROWTH?=1000
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.if ${MACHINE_CPUARCH} == "mips"
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CFLAGS_ARCH_PARAMS?=--param max-inline-insns-single=1000 -DMACHINE_ARCH='"${MACHINE_ARCH}"'
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.endif
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CFLAGS.gcc+= -fno-common -fms-extensions -finline-limit=${INLINE_LIMIT}
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CFLAGS.gcc+= --param inline-unit-growth=${CFLAGS_PARAM_INLINE_UNIT_GROWTH}
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CFLAGS.gcc+= --param large-function-growth=${CFLAGS_PARAM_LARGE_FUNCTION_GROWTH}
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.if defined(CFLAGS_ARCH_PARAMS)
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CFLAGS.gcc+=${CFLAGS_ARCH_PARAMS}
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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} ${ASM_CFLAGS.${.IMPSRC:T}}
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.if defined(PROFLEVEL) && ${PROFLEVEL} >= 1
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CFLAGS+= -DGPROF
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CFLAGS.gcc+= -falign-functions=16
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.if ${PROFLEVEL} >= 2
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CFLAGS+= -DGPROF4 -DGUPROF
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PROF= -pg
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.if ${COMPILER_TYPE} == "gcc"
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PROF+= -mprofiler-epilogue
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.endif
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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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.if defined(LINKER_FEATURES) && ${LINKER_FEATURES:Mbuild-id}
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LDFLAGS+= -Wl,--build-id=sha1
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.endif
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NORMAL_C= ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.IMPSRC}
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NORMAL_S= ${CC:N${CCACHE_BIN}} -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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NORMAL_FW= uudecode -o ${.TARGET} ${.ALLSRC}
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NORMAL_FWO= ${LD} -b binary --no-warn-mismatch -d -warn-common -r \
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-m ${LD_EMULATION} -o ${.TARGET} ${.ALLSRC:M*.fw}
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# Common for dtrace / zfs
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CDDL_CFLAGS= -DFREEBSD_NAMECACHE -nostdinc -I$S/cddl/compat/opensolaris -I$S/cddl/contrib/opensolaris/uts/common -I$S -I$S/cddl/contrib/opensolaris/common ${CFLAGS} -Wno-unknown-pragmas -Wno-missing-prototypes -Wno-undef -Wno-strict-prototypes -Wno-cast-qual -Wno-parentheses -Wno-redundant-decls -Wno-missing-braces -Wno-uninitialized -Wno-unused -Wno-inline -Wno-switch -Wno-pointer-arith -Wno-unknown-pragmas
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CDDL_CFLAGS+= -include $S/cddl/compat/opensolaris/sys/debug_compat.h
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CDDL_C= ${CC} -c ${CDDL_CFLAGS} ${WERROR} ${PROF} ${.IMPSRC}
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# Special flags for managing the compat compiles for ZFS
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ZFS_CFLAGS= -DBUILDING_ZFS -I$S/cddl/contrib/opensolaris/uts/common/fs/zfs
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ZFS_CFLAGS+= -I$S/cddl/contrib/opensolaris/uts/common/fs/zfs/lua
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ZFS_CFLAGS+= -I$S/cddl/contrib/opensolaris/uts/common/zmod
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ZFS_CFLAGS+= -I$S/cddl/contrib/opensolaris/common/zfs
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ZFS_CFLAGS+= ${CDDL_CFLAGS}
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ZFS_ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${ZFS_CFLAGS}
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ZFS_C= ${CC} -c ${ZFS_CFLAGS} ${WERROR} ${PROF} ${.IMPSRC}
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ZFS_S= ${CC} -c ${ZFS_ASM_CFLAGS} ${WERROR} ${.IMPSRC}
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# Special flags for managing the compat compiles for DTrace
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DTRACE_CFLAGS= -DBUILDING_DTRACE ${CDDL_CFLAGS} -I$S/cddl/dev/dtrace -I$S/cddl/dev/dtrace/${MACHINE_CPUARCH}
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.if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386"
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DTRACE_CFLAGS+= -I$S/cddl/contrib/opensolaris/uts/intel -I$S/cddl/dev/dtrace/x86
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.endif
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DTRACE_CFLAGS+= -I$S/cddl/contrib/opensolaris/common/util -I$S -DDIS_MEM -DSMP
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DTRACE_ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${DTRACE_CFLAGS}
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DTRACE_C= ${CC} -c ${DTRACE_CFLAGS} ${WERROR} ${PROF} ${.IMPSRC}
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DTRACE_S= ${CC} -c ${DTRACE_ASM_CFLAGS} ${WERROR} ${.IMPSRC}
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# Special flags for managing the compat compiles for DTrace/FBT
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FBT_CFLAGS= -DBUILDING_DTRACE -nostdinc -I$S/cddl/dev/fbt/${MACHINE_CPUARCH} -I$S/cddl/dev/fbt -I$S/cddl/compat/opensolaris -I$S/cddl/contrib/opensolaris/uts/common -I$S ${CDDL_CFLAGS}
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.if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386"
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FBT_CFLAGS+= -I$S/cddl/dev/fbt/x86
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.endif
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FBT_C= ${CC} -c ${FBT_CFLAGS} ${WERROR} ${PROF} ${.IMPSRC}
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.if ${MK_CTF} != "no"
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NORMAL_CTFCONVERT= ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
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.elif ${MAKE_VERSION} >= 5201111300
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NORMAL_CTFCONVERT=
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.else
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NORMAL_CTFCONVERT= @:
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.endif
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# Linux Kernel Programming Interface C-flags
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LINUXKPI_INCLUDES= -I$S/compat/linuxkpi/common/include
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LINUXKPI_C= ${NORMAL_C} ${LINUXKPI_INCLUDES}
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# Infiniband C flags. Correct include paths and omit errors that linux
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# does not honor.
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OFEDINCLUDES= -I$S/ofed/include -I$S/ofed/include/uapi ${LINUXKPI_INCLUDES}
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OFEDNOERR= -Wno-cast-qual -Wno-pointer-arith
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OFEDCFLAGS= ${CFLAGS:N-I*} -DCONFIG_INFINIBAND_USER_MEM \
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${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.pico
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MD_ROOT_SIZE_CONFIGURED!= grep MD_ROOT_SIZE opt_md.h || true ; echo
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.if ${MFS_IMAGE:Uno} != "no"
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.if empty(MD_ROOT_SIZE_CONFIGURED)
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SYSTEM_OBJS+= embedfs_${MFS_IMAGE:T:R}.o
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.endif
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.endif
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SYSTEM_LD= @${LD} -m ${LD_EMULATION} -Bdynamic -T ${LDSCRIPT} ${_LDFLAGS} \
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--no-warn-mismatch --warn-common --export-dynamic \
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--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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# Calculate path for .m files early, if needed.
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.if !defined(NO_MODULES) && !defined(__MPATH) && !make(install)
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__MPATH!=find ${S:tA}/ -name \*_if.m
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.endif
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# MKMODULESENV is set here so that port makefiles can augment
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# them.
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MKMODULESENV+= MAKEOBJDIRPREFIX=${.OBJDIR}/modules KMODDIR=${KODIR}
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MKMODULESENV+= MACHINE_CPUARCH=${MACHINE_CPUARCH}
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MKMODULESENV+= MACHINE=${MACHINE} MACHINE_ARCH=${MACHINE_ARCH}
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MKMODULESENV+= MODULES_EXTRA="${MODULES_EXTRA}" WITHOUT_MODULES="${WITHOUT_MODULES}"
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MKMODULESENV+= ARCH_FLAGS="${ARCH_FLAGS}"
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.if (${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="${MODULES_OVERRIDE}"
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.endif
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.if defined(DEBUG)
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MKMODULESENV+= DEBUG_FLAGS="${DEBUG}"
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.endif
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.if !defined(NO_MODULES)
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MKMODULESENV+= __MPATH="${__MPATH}"
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.endif
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# Architecture and output format arguments for objdump to convert image to
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# object file
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.if ${MFS_IMAGE:Uno} != "no"
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.if empty(MD_ROOT_SIZE_CONFIGURED)
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.if !defined(EMBEDFS_FORMAT.${MACHINE_ARCH})
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EMBEDFS_FORMAT.${MACHINE_ARCH}!= awk -F'"' '/OUTPUT_FORMAT/ {print $$2}' ${LDSCRIPT}
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.if empty(EMBEDFS_FORMAT.${MACHINE_ARCH})
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.undef EMBEDFS_FORMAT.${MACHINE_ARCH}
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.endif
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.endif
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.if !defined(EMBEDFS_ARCH.${MACHINE_ARCH})
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EMBEDFS_ARCH.${MACHINE_ARCH}!= sed -n '/OUTPUT_ARCH/s/.*(\(.*\)).*/\1/p' ${LDSCRIPT}
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.if empty(EMBEDFS_ARCH.${MACHINE_ARCH})
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.undef EMBEDFS_ARCH.${MACHINE_ARCH}
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.endif
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.endif
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EMBEDFS_FORMAT.arm?= elf32-littlearm
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EMBEDFS_FORMAT.armv6?= elf32-littlearm
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EMBEDFS_FORMAT.armv7?= elf32-littlearm
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EMBEDFS_FORMAT.aarch64?= elf64-littleaarch64
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EMBEDFS_FORMAT.mips?= elf32-tradbigmips
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EMBEDFS_FORMAT.mipsel?= elf32-tradlittlemips
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EMBEDFS_FORMAT.mips64?= elf64-tradbigmips
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EMBEDFS_FORMAT.mips64el?= elf64-tradlittlemips
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EMBEDFS_FORMAT.riscv?= elf64-littleriscv
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.endif
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.endif
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# Detect kernel config options that force stack frames to be turned on.
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DDB_ENABLED!= grep DDB opt_ddb.h || true ; echo
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DTR_ENABLED!= grep KDTRACE_FRAME opt_kdtrace.h || true ; echo
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HWPMC_ENABLED!= grep HWPMC opt_hwpmc_hooks.h || true ; echo
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