0aa5466e7d
If set it installs LLD as /usr/bin/ld. LLD (as of version 3.9) is not capable of linking the world and kernel, but can self-host and link many substantial applications. GNU ld continues to be used for the world and kernel build, regardless of how this knob is set. It is on by default for arm64, and off for all other CPU architectures. Sponsored by: The FreeBSD Foundation
457 lines
9.5 KiB
Makefile
457 lines
9.5 KiB
Makefile
# $FreeBSD$
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#
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# Option file for FreeBSD /usr/src builds.
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#
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# Users define WITH_FOO and WITHOUT_FOO on the command line or in /etc/src.conf
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# and /etc/make.conf files. These translate in the build system to MK_FOO={yes,no}
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# with sensible (usually) defaults.
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#
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# Makefiles must include bsd.opts.mk after defining specific MK_FOO options that
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# are applicable for that Makefile (typically there are none, but sometimes there
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# are exceptions). Recursive makes usually add MK_FOO=no for options that they wish
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# to omit from that make.
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#
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# Makefiles must include bsd.mkopt.mk before they test the value of any MK_FOO
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# variable.
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#
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# Makefiles may also assume that this file is included by src.opts.mk should it
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# need variables defined there prior to the end of the Makefile where
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# bsd.{subdir,lib.bin}.mk is traditionally included.
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#
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# The old-style YES_FOO and NO_FOO are being phased out. No new instances of them
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# should be added. Old instances should be removed since they were just to
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# bridge the gap between FreeBSD 4 and FreeBSD 5.
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#
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# Makefiles should never test WITH_FOO or WITHOUT_FOO directly (although an
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# exception is made for _WITHOUT_SRCONF which turns off this mechanism
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# completely inside bsd.*.mk files).
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#
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.if !target(__<src.opts.mk>__)
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__<src.opts.mk>__:
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.include <bsd.own.mk>
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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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# These options are used by src the builds
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__DEFAULT_YES_OPTIONS = \
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ACCT \
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ACPI \
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AMD \
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APM \
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AT \
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ATM \
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AUDIT \
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AUTHPF \
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AUTOFS \
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BHYVE \
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BINUTILS \
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BINUTILS_BOOTSTRAP \
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BLACKLIST \
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BLUETOOTH \
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BOOT \
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BOOTPARAMD \
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BOOTPD \
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BSD_CPIO \
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BSDINSTALL \
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BSNMP \
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BZIP2 \
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CALENDAR \
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CAPSICUM \
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CASPER \
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CCD \
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CDDL \
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CPP \
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CROSS_COMPILER \
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CRYPT \
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CTM \
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CUSE \
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CXX \
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DIALOG \
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DICT \
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DMAGENT \
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DYNAMICROOT \
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ED_CRYPTO \
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EE \
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EFI \
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ELFTOOLCHAIN_BOOTSTRAP \
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EXAMPLES \
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FDT \
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FILE \
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FINGER \
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FLOPPY \
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FMTREE \
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FORTH \
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FP_LIBC \
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FREEBSD_UPDATE \
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FTP \
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GAMES \
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GCOV \
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GDB \
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GNU \
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GNU_DIFF \
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GNU_GREP \
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GNU_GREP_COMPAT \
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GPIO \
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GPL_DTC \
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GROFF \
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HAST \
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HTML \
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HYPERV \
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ICONV \
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INET \
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INET6 \
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INETD \
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IPFILTER \
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IPFW \
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ISCSI \
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JAIL \
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KDUMP \
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KVM \
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LDNS \
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LDNS_UTILS \
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LEGACY_CONSOLE \
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LIB32 \
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LIBPTHREAD \
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LIBTHR \
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LOCALES \
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LOCATE \
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LPR \
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LS_COLORS \
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LZMA_SUPPORT \
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MAIL \
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MAILWRAPPER \
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MAKE \
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MANDOCDB \
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NDIS \
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NETCAT \
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NETGRAPH \
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NLS_CATALOGS \
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NS_CACHING \
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NTP \
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OPENSSL \
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PAM \
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PC_SYSINSTALL \
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PF \
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PKGBOOTSTRAP \
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PMC \
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PORTSNAP \
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PPP \
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QUOTAS \
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RADIUS_SUPPORT \
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RCMDS \
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RBOOTD \
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RESCUE \
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ROUTED \
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SENDMAIL \
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SETUID_LOGIN \
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SHAREDOCS \
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SOURCELESS \
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SOURCELESS_HOST \
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SOURCELESS_UCODE \
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SVNLITE \
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SYSCONS \
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SYSTEM_COMPILER \
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TALK \
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TCP_WRAPPERS \
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TCSH \
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TELNET \
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TESTS \
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TEXTPROC \
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TFTP \
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TIMED \
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UNBOUND \
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USB \
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UTMPX \
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VI \
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VT \
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WIRELESS \
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WPA_SUPPLICANT_EAPOL \
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ZFS \
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ZONEINFO
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__DEFAULT_NO_OPTIONS = \
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BSD_GREP \
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CLANG_EXTRAS \
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DTRACE_TESTS \
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EISA \
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HESIOD \
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LIBSOFT \
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NAND \
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OFED \
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OPENLDAP \
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RCS \
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SHARED_TOOLCHAIN \
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SORT_THREADS \
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SVN \
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#
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# Default behaviour of some options depends on the architecture. Unfortunately
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# this means that we have to test TARGET_ARCH (the buildworld case) as well
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# as MACHINE_ARCH (the non-buildworld case). Normally TARGET_ARCH is not
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# used at all in bsd.*.mk, but we have to make an exception here if we want
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# to allow defaults for some things like clang to vary by target architecture.
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# Additional, per-target behavior should be rarely added only after much
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# gnashing of teeth and grinding of gears.
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#
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.if defined(TARGET_ARCH)
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__T=${TARGET_ARCH}
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.else
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__T=${MACHINE_ARCH}
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.endif
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.if defined(TARGET)
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__TT=${TARGET}
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.else
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__TT=${MACHINE}
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.endif
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.include <bsd.compiler.mk>
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# If the compiler is not C++11 capable, disable Clang and use GCC instead.
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# This means that architectures that have GCC 4.2 as default can not
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# build Clang without using an external compiler.
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.if ${COMPILER_FEATURES:Mc++11} && (${__T} == "aarch64" || \
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${__T} == "amd64" || ${__TT} == "arm" || ${__T} == "i386")
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# Clang is enabled, and will be installed as the default /usr/bin/cc.
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__DEFAULT_YES_OPTIONS+=CLANG CLANG_BOOTSTRAP CLANG_FULL CLANG_IS_CC
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__DEFAULT_NO_OPTIONS+=GCC GCC_BOOTSTRAP GNUCXX
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.elif ${COMPILER_FEATURES:Mc++11} && ${__T:Mpowerpc*}
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# On powerpc, if an external compiler that supports C++11 is used as ${CC},
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# then Clang is enabled, but GCC is installed as the default /usr/bin/cc.
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__DEFAULT_YES_OPTIONS+=CLANG CLANG_FULL GCC GCC_BOOTSTRAP GNUCXX
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__DEFAULT_NO_OPTIONS+=CLANG_BOOTSTRAP CLANG_IS_CC
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.else
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# Everything else disables Clang, and uses GCC instead.
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__DEFAULT_YES_OPTIONS+=GCC GCC_BOOTSTRAP GNUCXX
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__DEFAULT_NO_OPTIONS+=CLANG CLANG_BOOTSTRAP CLANG_FULL CLANG_IS_CC
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.endif
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# In-tree binutils/gcc are older versions without modern architecture support.
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.if ${__T} == "aarch64" || ${__T:Mriscv*} != ""
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BROKEN_OPTIONS+=BINUTILS BINUTILS_BOOTSTRAP GCC GCC_BOOTSTRAP GDB
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.endif
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.if ${__T:Mriscv*} != ""
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BROKEN_OPTIONS+=PROFILE # "sorry, unimplemented: profiler support for RISC-V"
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BROKEN_OPTIONS+=TESTS # "undefined reference to `_Unwind_Resume'"
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BROKEN_OPTIONS+=CXX # "libcxxrt.so: undefined reference to `_Unwind_Resume_or_Rethrow'"
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.endif
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.if ${__T} == "aarch64" || ${__T} == "amd64" || ${__T} == "i386" || \
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${__T:Mriscv*} != ""
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__DEFAULT_YES_OPTIONS+=LLVM_LIBUNWIND
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.else
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__DEFAULT_NO_OPTIONS+=LLVM_LIBUNWIND
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.endif
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.if ${__T} == "aarch64"
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__DEFAULT_YES_OPTIONS+=LLD_AS_LD
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.else
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__DEFAULT_NO_OPTIONS+=LLD_AS_LD
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.endif
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.if ${__T} == "aarch64" || ${__T} == "amd64"
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__DEFAULT_YES_OPTIONS+=LLD LLDB
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.else
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__DEFAULT_NO_OPTIONS+=LLD LLDB
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.endif
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# LLVM lacks support for FreeBSD 64-bit atomic operations for ARMv4/ARMv5
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.if ${__T} == "arm" || ${__T} == "armeb"
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BROKEN_OPTIONS+=LLDB
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.endif
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# Only doing soft float API stuff on armv6
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.if ${__T} != "armv6"
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BROKEN_OPTIONS+=LIBSOFT
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.endif
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.if ${__T:Mmips*}
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BROKEN_OPTIONS+=SSP
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.endif
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.if ${__T:Mmips*} || ${__T:Mpowerpc*} || ${__T:Msparc64} || ${__T:Mriscv*}
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BROKEN_OPTIONS+=EFI
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.endif
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.include <bsd.mkopt.mk>
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#
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# MK_* options that default to "yes" if the compiler is a C++11 compiler.
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#
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.for var in \
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LIBCPLUSPLUS
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.if !defined(MK_${var})
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.if ${COMPILER_FEATURES:Mc++11}
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.if defined(WITHOUT_${var})
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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 defined(WITH_${var})
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MK_${var}:= yes
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.else
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MK_${var}:= no
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.endif
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.endif
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.endif
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.endfor
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#
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# Force some options off if their dependencies are off.
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# Order is somewhat important.
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#
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.if !${COMPILER_FEATURES:Mc++11}
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MK_LLVM_LIBUNWIND:= no
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.endif
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.if ${MK_BINUTILS} == "no"
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MK_GDB:= no
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.endif
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.if ${MK_LIBPTHREAD} == "no"
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MK_LIBTHR:= no
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.endif
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.if ${MK_LDNS} == "no"
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MK_LDNS_UTILS:= no
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MK_UNBOUND:= no
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.endif
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.if ${MK_SOURCELESS} == "no"
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MK_SOURCELESS_HOST:= no
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MK_SOURCELESS_UCODE:= no
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.endif
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.if ${MK_CDDL} == "no"
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MK_ZFS:= no
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MK_CTF:= no
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.endif
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.if ${MK_CRYPT} == "no"
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MK_OPENSSL:= no
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MK_OPENSSH:= no
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MK_KERBEROS:= no
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.endif
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.if ${MK_CXX} == "no"
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MK_CLANG:= no
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MK_GROFF:= no
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MK_GNUCXX:= no
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MK_TESTS:= no
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.endif
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.if ${MK_DIALOG} == "no"
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MK_BSDINSTALL:= no
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.endif
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.if ${MK_MAIL} == "no"
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MK_MAILWRAPPER:= no
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MK_SENDMAIL:= no
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MK_DMAGENT:= no
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.endif
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.if ${MK_NETGRAPH} == "no"
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MK_ATM:= no
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MK_BLUETOOTH:= no
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.endif
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.if ${MK_OPENSSL} == "no"
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MK_OPENSSH:= no
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MK_KERBEROS:= no
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.endif
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.if ${MK_PF} == "no"
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MK_AUTHPF:= no
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.endif
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.if ${MK_TESTS} == "no"
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MK_DTRACE_TESTS:= no
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.endif
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.if ${MK_TEXTPROC} == "no"
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MK_GROFF:= no
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.endif
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.if ${MK_CROSS_COMPILER} == "no"
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MK_BINUTILS_BOOTSTRAP:= no
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MK_CLANG_BOOTSTRAP:= no
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MK_ELFTOOLCHAIN_BOOTSTRAP:= no
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MK_GCC_BOOTSTRAP:= no
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.endif
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.if ${MK_TOOLCHAIN} == "no"
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MK_BINUTILS:= no
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MK_CLANG:= no
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MK_GCC:= no
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MK_GDB:= no
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MK_INCLUDES:= no
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MK_LLDB:= no
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.endif
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.if ${MK_CLANG} == "no"
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MK_CLANG_EXTRAS:= no
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MK_CLANG_FULL:= no
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.endif
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#
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# Set defaults for the MK_*_SUPPORT variables.
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#
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#
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# MK_*_SUPPORT options which default to "yes" unless their corresponding
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# MK_* variable is set to "no".
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#
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.for var in \
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BLACKLIST \
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BZIP2 \
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GNU \
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INET \
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INET6 \
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KERBEROS \
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KVM \
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NETGRAPH \
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PAM \
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TESTS \
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WIRELESS
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.if defined(WITHOUT_${var}_SUPPORT) || ${MK_${var}} == "no"
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MK_${var}_SUPPORT:= no
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.else
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MK_${var}_SUPPORT:= yes
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.endif
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.endfor
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#
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# MK_* options whose default value depends on another option.
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#
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.for vv in \
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GSSAPI/KERBEROS \
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MAN_UTILS/MAN
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.if defined(WITH_${vv:H})
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MK_${vv:H}:= yes
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.elif defined(WITHOUT_${vv:H})
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MK_${vv:H}:= no
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.else
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MK_${vv:H}:= ${MK_${vv:T}}
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.endif
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.endfor
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.if !${COMPILER_FEATURES:Mc++11}
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MK_LLDB:= no
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.endif
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# gcc 4.8 and newer supports libc++, so suppress gnuc++ in that case.
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# while in theory we could build it with that, we don't want to do
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# that since it creates too much confusion for too little gain.
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# XXX: This is incomplete and needs X_COMPILER_TYPE/VERSION checks too
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# to prevent Makefile.inc1 from bootstrapping unneeded dependencies
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# and to support 'make delete-old' when supplying an external toolchain.
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.if ${COMPILER_TYPE} == "gcc" && ${COMPILER_VERSION} >= 40800
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MK_GNUCXX:=no
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MK_GCC:=no
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.endif
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.endif # !target(__<src.opts.mk>__)
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