mirror of
https://github.com/freebsd/freebsd-src
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68cbb072fd
This commit broke "make makeman" checks in github CI due to a lack of
option description files. The split between VIMAGE and VIMAGE_SUPPORT
is not clearly justified and the code is broken because there is no
opt_vimage.h (it's in opt_global.h).
This reverts commit 22ca6db50f.
225 lines
5.7 KiB
Makefile
225 lines
5.7 KiB
Makefile
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# Options set in the build system which affect the building of kernel
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# modules. These select which parts to compile in or out (eg INET) or which
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# parts to omit (eg CDDL or SOURCELESS_HOST). Some of these will cause
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# config.mk to define symbols in various opt_*.h files.
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#
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# Define MK_* variables (which are either "yes" or "no") for users
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# to set via WITH_*/WITHOUT_* in /etc/src.conf and override in the
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# make(1) environment.
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# These should be tested with `== "no"' or `!= "no"' in makefiles.
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# The NO_* variables should only be set by makefiles for variables
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# that haven't been converted over.
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#
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# Note: bsd.own.mk must be included before the rest of kern.opts.mk to make
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# building on 10.x and earlier work. This should be removed when that's no
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# longer supported since it confounds the defaults (since it uses the host's
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# notion of defaults rather than what's default in current when building
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# within sys/modules).
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.include <bsd.own.mk>
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# These options are used by the kernel build process (kern.mk and kmod.mk)
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# They have to be listed here so we can build modules outside of the
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# src tree.
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KLDXREF_CMD?= kldxref
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__DEFAULT_YES_OPTIONS = \
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AUTOFS \
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BHYVE \
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BLUETOOTH \
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CCD \
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CDDL \
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CRYPT \
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CUSE \
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DTRACE \
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EFI \
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FORMAT_EXTENSIONS \
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INET \
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INET6 \
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IPFILTER \
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IPSEC_SUPPORT \
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ISCSI \
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KERNEL_SYMBOLS \
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NETGRAPH \
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OFED \
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PF \
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SCTP_SUPPORT \
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SOURCELESS_HOST \
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SOURCELESS_UCODE \
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SPLIT_KERNEL_DEBUG \
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TESTS \
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USB_GADGET_EXAMPLES \
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ZFS
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__DEFAULT_NO_OPTIONS = \
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BHYVE_SNAPSHOT \
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KERNEL_BIN \
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KERNEL_RETPOLINE \
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RATELIMIT \
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REPRODUCIBLE_BUILD \
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VERIEXEC
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# Some options are totally broken on some architectures. We disable them. If you
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# need to enable them on an experimental basis, you must change this code.
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# Note: These only apply to the list of modules we build by default and
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# sometimes what is in the opt_*.h files by default. Kernel config files are
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# unaffected, though some targets can be affected by KERNEL_BIN, KERNEL_SYMBOLS,
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# FORMAT_EXTENSIONS, CTF and SSP.
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# Broken on 32-bit arm, kernel module compile errors
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.if ${MACHINE_CPUARCH} == "arm"
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BROKEN_OPTIONS+= OFED
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.endif
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# Things that don't work based on toolchain support.
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.if ${MACHINE} != "i386" && ${MACHINE} != "amd64"
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BROKEN_OPTIONS+= KERNEL_RETPOLINE
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.endif
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# EFI doesn't exist on powerpc or riscv and is broken on i386
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.if ${MACHINE:Mpowerpc} || ${MACHINE:Mriscv} || ${MACHINE} == "i386"
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BROKEN_OPTIONS+=EFI
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.endif
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# We only generate kernel.bin on arm and arm64, otherwise they break the build.
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.if ${MACHINE} != "arm" && ${MACHINE} != "arm64"
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BROKEN_OPTIONS+=KERNEL_BIN
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.endif
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.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
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__DEFAULT_NO_OPTIONS += FDT
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.else
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__DEFAULT_YES_OPTIONS += FDT
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.endif
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__SINGLE_OPTIONS = \
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INIT_ALL
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__INIT_ALL_OPTIONS= none pattern zero
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__INIT_ALL_DEFAULT= none
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.if ${MACHINE} == "amd64"
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# PR251083 conflict between INIT_ALL_ZERO and ifunc memset
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BROKEN_SINGLE_OPTIONS+= INIT_ALL zero none
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.endif
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# expanded inline from bsd.mkopt.mk to avoid share/mk dependency
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# Those that default to yes
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.for var in ${__DEFAULT_YES_OPTIONS}
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.if !defined(MK_${var})
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.if defined(WITHOUT_${var}) # WITHOUT always wins
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MK_${var}:= no
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.else
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MK_${var}:= yes
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.endif
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.else
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.if ${MK_${var}} != "yes" && ${MK_${var}} != "no"
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.error "Illegal value for MK_${var}: ${MK_${var}}"
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.endif
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.endif # !defined(MK_${var})
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.endfor
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.undef __DEFAULT_YES_OPTIONS
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# Those that default to no
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.for var in ${__DEFAULT_NO_OPTIONS}
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.if !defined(MK_${var})
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.if defined(WITH_${var}) && !defined(WITHOUT_${var}) # WITHOUT always wins
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MK_${var}:= yes
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.else
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MK_${var}:= no
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.endif
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.else
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.if ${MK_${var}} != "yes" && ${MK_${var}} != "no"
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.error "Illegal value for MK_${var}: ${MK_${var}}"
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.endif
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.endif # !defined(MK_${var})
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.endfor
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.undef __DEFAULT_NO_OPTIONS
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#
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# MK_* options which are always no, usually because they are
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# unsupported/badly broken on this architecture.
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#
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.for var in ${BROKEN_OPTIONS}
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MK_${var}:= no
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.endfor
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.undef BROKEN_OPTIONS
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#
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# Group options set an OPT_FOO variable for each option.
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#
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.for opt in ${__SINGLE_OPTIONS}
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.if !defined(__${opt}_OPTIONS) || empty(__${opt}_OPTIONS)
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.error __${opt}_OPTIONS not defined or empty
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.endif
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.if !defined(__${opt}_DEFAULT) || empty(__${opt}_DEFAULT)
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.error __${opt}_DEFAULT undefined or empty
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.endif
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.if defined(${opt})
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OPT_${opt}:= ${${opt}}
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.else
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OPT_${opt}:= ${__${opt}_DEFAULT}
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.endif
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.if empty(OPT_${opt}) || ${__${opt}_OPTIONS:M${OPT_${opt}}} != ${OPT_${opt}}
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.error Invalid option OPT_${opt} (${OPT_${opt}}), must be one of: ${__${opt}_OPTIONS}
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.endif
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.endfor
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.undef __SINGLE_OPTIONS
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.for opt val rep in ${BROKEN_SINGLE_OPTIONS}
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.if ${OPT_${opt}} == ${val}
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OPT_${opt}:= ${rep}
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.endif
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.endfor
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#end of bsd.mkopt.mk expanded inline.
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#
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# MK_*_SUPPORT options which default to "yes" unless their corresponding
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# MK_* variable is set to "no".
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#
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.for var in \
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INET \
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INET6
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.if defined(WITHOUT_${var}_SUPPORT) || ${MK_${var}} == "no"
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MK_${var}_SUPPORT:= no
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.else
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.if defined(KERNBUILDDIR) # See if there's an opt_foo.h
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.if !defined(OPT_${var})
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OPT_${var}!= cat ${KERNBUILDDIR}/opt_${var:tl}.h; echo
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.export OPT_${var}
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.endif
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.if ${OPT_${var}} == "" # nothing -> no
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MK_${var}_SUPPORT:= no
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.else
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MK_${var}_SUPPORT:= yes
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.endif
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.else # otherwise, yes
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MK_${var}_SUPPORT:= yes
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.endif
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.endif
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.endfor
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.if ${MK_SPLIT_KERNEL_DEBUG} == "no"
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MK_KERNEL_SYMBOLS:= no
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.endif
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.if ${MK_CDDL} == "no"
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MK_DTRACE:= no
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.endif
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# Some modules only compile successfully if option FDT is set, due to #ifdef FDT
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# wrapped around declarations. Module makefiles can optionally compile such
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# things using .if !empty(OPT_FDT)
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.if !defined(OPT_FDT) && defined(KERNBUILDDIR)
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OPT_FDT!= sed -n '/FDT/p' ${KERNBUILDDIR}/opt_platform.h
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.export OPT_FDT
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.if empty(OPT_FDT)
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MK_FDT:=no
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.else
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MK_FDT:=yes
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.endif
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.endif
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