243 lines
6.5 KiB
Makefile
243 lines
6.5 KiB
Makefile
# $FreeBSD$
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.if !defined(__BOOT_DEFS_MK__)
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__BOOT_DEFS_MK__=${MFILE}
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# We need to define all the MK_ options before including src.opts.mk
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# because it includes bsd.own.mk which needs the right MK_ values,
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# espeically MK_CTF.
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MK_CTF= no
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MK_SSP= no
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MK_PROFILE= no
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MAN=
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.if !defined(PIC)
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NO_PIC=
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INTERNALLIB=
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.endif
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.include <src.opts.mk>
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.include <bsd.linker.mk>
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WARNS?= 1
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BOOTSRC= ${SRCTOP}/stand
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EFISRC= ${BOOTSRC}/efi
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EFIINC= ${EFISRC}/include
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EFIINCMD= ${EFIINC}/${MACHINE}
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FDTSRC= ${BOOTSRC}/fdt
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FICLSRC= ${BOOTSRC}/ficl
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LDRSRC= ${BOOTSRC}/common
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LIBLUASRC= ${BOOTSRC}/liblua
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LIBOFWSRC= ${BOOTSRC}/libofw
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LUASRC= ${SRCTOP}/contrib/lua/src
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SASRC= ${BOOTSRC}/libsa
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SYSDIR= ${SRCTOP}/sys
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UBOOTSRC= ${BOOTSRC}/uboot
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ZFSSRC= ${SASRC}/zfs
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LIBCSRC= ${SRCTOP}/lib/libc
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BOOTOBJ= ${OBJTOP}/stand
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# BINDIR is where we install
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BINDIR?= /boot
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# LUAPATH is where we search for and install lua scripts.
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LUAPATH?= /boot/lua
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FLUASRC?= ${SRCTOP}/libexec/flua
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LIBSA= ${BOOTOBJ}/libsa/libsa.a
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.if ${MACHINE} == "i386"
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LIBSA32= ${LIBSA}
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.else
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LIBSA32= ${BOOTOBJ}/libsa32/libsa32.a
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.endif
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# Standard options:
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CFLAGS+= -nostdinc
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.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1
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CFLAGS+= -I${BOOTOBJ}/libsa32
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.else
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CFLAGS+= -I${BOOTOBJ}/libsa
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.endif
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CFLAGS+= -I${SASRC} -D_STANDALONE
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CFLAGS+= -I${SYSDIR}
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# Spike the floating point interfaces
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CFLAGS+= -Ddouble=jagged-little-pill -Dfloat=floaty-mcfloatface
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.if ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "amd64"
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# Slim down the image. This saves about 15% in size with clang 6 on x86
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# Our most constrained /boot/loader env is BIOS booting on x86, where
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# our text + data + BTX have to fit into 640k below the ISA hole.
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# Experience has shown that problems arise between ~520k to ~530k.
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CFLAGS.clang+= -Oz
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CFLAGS.gcc+= -Os
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CFLAGS+= -ffunction-sections -fdata-sections
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.endif
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# GELI Support, with backward compat hooks (mostly)
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.if defined(LOADER_NO_GELI_SUPPORT)
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MK_LOADER_GELI=no
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.warning "Please move from LOADER_NO_GELI_SUPPORT to WITHOUT_LOADER_GELI"
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.endif
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.if defined(LOADER_GELI_SUPPORT)
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MK_LOADER_GELI=yes
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.warning "Please move from LOADER_GELI_SUPPORT to WITH_LOADER_GELI"
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.endif
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.if ${MK_LOADER_GELI} == "yes"
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CFLAGS+= -DLOADER_GELI_SUPPORT
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CFLAGS+= -I${SASRC}/geli
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.endif # MK_LOADER_GELI
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# These should be confined to loader.mk, but can't because uboot/lib
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# also uses it. It's part of loader, but isn't a loader so we can't
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# just include loader.mk
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.if ${LOADER_DISK_SUPPORT:Uyes} == "yes"
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CFLAGS+= -DLOADER_DISK_SUPPORT
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.endif
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# Machine specific flags for all builds here
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# All PowerPC builds are 32 bit. We have no 64-bit loaders on powerpc
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# or powerpc64.
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.if ${MACHINE_ARCH} == "powerpc64"
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CFLAGS+= -m32 -mcpu=powerpc
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.endif
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# For amd64, there's a bit of mixed bag. Some of the tree (i386, lib*32) is
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# build 32-bit and some 64-bit (lib*, efi). Centralize all the 32-bit magic here
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# and activate it when DO32 is explicitly defined to be 1.
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.if ${MACHINE_ARCH} == "amd64" && ${DO32:U0} == 1
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CFLAGS+= -m32
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# LD_FLAGS is passed directly to ${LD}, not via ${CC}:
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LD_FLAGS+= -m elf_i386_fbsd
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AFLAGS+= --32
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.endif
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SSP_CFLAGS=
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# Add in the no float / no SIMD stuff and announce we're freestanding
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# aarch64 and riscv don't have -msoft-float, but all others do.
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CFLAGS+= -ffreestanding ${CFLAGS_NO_SIMD}
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.if ${MACHINE_CPUARCH} == "aarch64"
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CFLAGS+= -mgeneral-regs-only -ffixed-x18 -fPIC
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.elif ${MACHINE_CPUARCH} == "riscv"
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CFLAGS+= -march=rv64imac -mabi=lp64 -fPIC
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CFLAGS.clang+= -mcmodel=medium
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CFLAGS.gcc+= -mcmodel=medany
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.else
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CFLAGS+= -msoft-float
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.endif
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# -msoft-float seems to be insufficient for powerpcspe
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.if ${MACHINE_ARCH} == "powerpcspe"
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CFLAGS+= -mno-spe
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.endif
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.if ${MACHINE_CPUARCH} == "i386" || (${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 1)
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CFLAGS+= -march=i386
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CFLAGS.gcc+= -mpreferred-stack-boundary=2
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.endif
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.if ${MACHINE_CPUARCH} == "amd64" && ${DO32:U0} == 0
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CFLAGS+= -fPIC -mno-red-zone
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.endif
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.if ${MACHINE_CPUARCH} == "arm"
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# Do not generate movt/movw, because the relocation fixup for them does not
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# translate to the -Bsymbolic -pie format required by self_reloc() in loader(8).
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# Also, the fpu is not available in a standalone environment.
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CFLAGS.clang+= -mno-movt
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CFLAGS.clang+= -mfpu=none
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CFLAGS+= -fPIC
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.endif
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# Some RISC-V linkers have support for relaxations, while some (lld) do not
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# yet. If this is the case we inhibit the compiler from emitting relaxations.
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.if ${LINKER_FEATURES:Mriscv-relaxations} == ""
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CFLAGS+= -mno-relax
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.endif
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# The boot loader build uses dd status=none, where possible, for reproducible
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# build output (since performance varies from run to run). Trouble is that
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# option was recently (10.3) added to FreeBSD and is non-standard. Only use it
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# when this test succeeds rather than require dd to be a bootstrap tool.
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DD_NOSTATUS!=(dd status=none count=0 2> /dev/null && echo status=none) || true
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DD=dd ${DD_NOSTATUS}
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.if ${MACHINE_CPUARCH} == "mips"
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CFLAGS+= -G0 -fno-pic -mno-abicalls
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.endif
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.if ${MK_LOADER_FORCE_LE} != "no"
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.if ${MACHINE_ARCH} == "powerpc64"
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CFLAGS+= -mlittle-endian
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.endif
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.endif
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#
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# Have a sensible default
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#
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.if ${MK_LOADER_LUA} == "yes"
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LOADER_DEFAULT_INTERP?=lua
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.elif ${MK_FORTH} == "yes"
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LOADER_DEFAULT_INTERP?=4th
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.else
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LOADER_DEFAULT_INTERP?=simp
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.endif
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LOADER_INTERP?=${LOADER_DEFAULT_INTERP}
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# Make sure we use the machine link we're about to create
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CFLAGS+=-I.
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all: ${PROG}
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CLEANFILES+= teken_state.h
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teken.c: teken_state.h
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teken_state.h: ${SYSDIR}/teken/sequences
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awk -f ${SYSDIR}/teken/gensequences \
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${SYSDIR}/teken/sequences > teken_state.h
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.if !defined(NO_OBJ)
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_ILINKS=include/machine
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.if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64"
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_ILINKS+=include/${MACHINE_CPUARCH}
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.endif
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.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
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_ILINKS+=include/x86
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.endif
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CFLAGS+= -Iinclude
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CLEANDIRS+= include
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beforedepend: ${_ILINKS}
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beforebuild: ${_ILINKS}
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# Ensure that the links exist without depending on it when it exists which
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# causes all the modules to be rebuilt when the directory pointed to changes.
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.for _link in ${_ILINKS}
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.if !exists(${.OBJDIR}/${_link})
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${OBJS}: ${_link}
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.endif # _link exists
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.endfor
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.NOPATH: ${_ILINKS}
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${_ILINKS}: .NOMETA
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@case ${.TARGET:T} in \
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machine) \
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if [ ${DO32:U0} -eq 0 ]; then \
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path=${SYSDIR}/${MACHINE}/include ; \
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else \
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path=${SYSDIR}/${MACHINE:C/amd64/i386/}/include ; \
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fi ;; \
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*) \
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path=${SYSDIR}/${.TARGET:T}/include ;; \
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esac ; \
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case ${.TARGET} in \
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*/*) mkdir -p ${.TARGET:H};; \
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esac ; \
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path=`(cd $$path && /bin/pwd)` ; \
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${ECHO} ${.TARGET} "->" $$path ; \
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ln -fns $$path ${.TARGET}
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.endif # !NO_OBJ
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.endif # __BOOT_DEFS_MK__
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