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SRC.CONF(5)		      File Formats Manual		   SRC.CONF(5)

NAME
       src.conf	-- source build	options

DESCRIPTION
       The  src.conf file contains variables that control what components will
       be generated during the build process of	the FreeBSD source  tree;  see
       build(7).

       The src.conf file uses the standard makefile syntax.  However, src.conf
       should  not  specify any	dependencies to	make(1).  Instead, src.conf is
       to set make(1) variables	that control the aspects  of  how  the	system
       builds.

       The  default  location of src.conf is /etc/src.conf, though an alterna-
       tive location can be specified in the make(1) variable SRCCONF.	 Over-
       riding  the  location  of  src.conf may be necessary if the system-wide
       settings	are not	suitable for a particular build.  For  instance,  set-
       ting  SRCCONF  to  /dev/null  effectively  resets all build controls to
       their defaults.

       The only	purpose	of src.conf is	to  control  the  compilation  of  the
       FreeBSD	source code, which is usually located in /usr/src.  As a rule,
       the system administrator	creates	src.conf when the  values  of  certain
       control variables need to be changed from their defaults.

       In  addition, control variables can be specified	for a particular build
       via the -D option of make(1) or in its environment; see environ(7).

       The environment of make(1) for the build	 can  be  controlled  via  the
       SRC_ENV_CONF variable, which defaults to	/etc/src-env.conf.  Some exam-
       ples  that  may	only  be  set in this file are WITH_DIRDEPS_BUILD, and
       WITH_META_MODE, and MAKEOBJDIRPREFIX as they are	environment-only vari-
       ables.

       The values of variables are ignored regardless of their	setting;  even
       if  they	 would	be  set	to "FALSE" or "NO".  The presence of an	option
       causes it to be honored by make(1).

       This list provides a name and short description for variables that  can
       be used for source builds.

       WITHOUT_ACCT
	       Do  not	build  process	accounting tools such as accton(8) and
	       sa(8).

       WITHOUT_ACPI
	       Do not build acpiconf(8), acpidump(8) and related programs.

       WITHOUT_APM
	       Do not build apm(8), apmd(8) and	related	programs.

       WITH_ASAN
	       Build the base system with Address Sanitizer (ASan)  to	detect
	       memory  corruption  bugs	such as	buffer overflows or use-after-
	       free.  Requires that Clang be used as the base system  compiler
	       and  that  the runtime support library is available.  When set,
	       it enforces these options:

	       WITH_LLVM_BINUTILS
	       WITH_LLVM_CXXFILT

       WITHOUT_ASSERT_DEBUG
	       Compile programs	and libraries without the assert(3) checks.

       WITHOUT_AT
	       Do not build at(1) and related utilities.

       WITHOUT_AUDIT
	       Do not build audit support into system programs.

       WITHOUT_AUTHPF
	       Do not build authpf(8).

       WITHOUT_AUTOFS
	       Do not build autofs(5) related programs,	libraries, and	kernel
	       modules.

       WITHOUT_AUTO_OBJ
	       Disable	automatic creation of objdirs.	This is	enabled	by de-
	       fault if	the wanted OBJDIR is writable by the current user.

	       This must be set	in the	environment,  make  command  line,  or
	       /etc/src-env.conf, not /etc/src.conf.

       WITH_BEARSSL
	       Build the BearSSL library.

	       BearSSL	is  a  tiny SSL	library	suitable for embedded environ-
	       ments.  For details see https://www.BearSSL.org/

	       This library is currently only used to perform signature	 veri-
	       fication	  and	related	  operations  for  Verified  Exec  and
	       loader(8).

	       Due to size constraints in the BIOS environment on x86, one may
	       need to set LOADERSIZE larger than the default 500000, although
	       often loader is under the 500k limit  even  with	 this  option.
	       Setting	LOADERSIZE  larger than	500000 may cause pxeboot(8) to
	       be too large to work.  Careful testing of  the  loader  in  the
	       target  environment when	built with a larger limit to establish
	       safe limits is critical because different BIOS environments re-
	       serve differing amounts of the low 640k space, making a precise
	       limit for everybody impossible.

	       See also	WITH_LOADER_PXEBOOT for	 other	considerations.	  When
	       set, these options are also in effect:

	       WITH_LOADER_EFI_SECUREBOOT			       (unless
	       WITHOUT_LOADER_EFI_SECUREBOOT is	set explicitly)
	       WITH_LOADER_VERIEXEC (unless WITHOUT_LOADER_VERIEXEC is set ex-
	       plicitly)
	       WITH_LOADER_VERIEXEC_VECTX			       (unless
	       WITHOUT_LOADER_VERIEXEC_VECTX is	set explicitly)
	       WITH_VERIEXEC (unless WITHOUT_VERIEXEC is set explicitly)

       WITHOUT_BHYVE
	       Do not build or install bhyve(8), associated utilities, and ex-
	       amples.

	       This option only	affects	amd64/amd64.

       WITH_BHYVE_SNAPSHOT
	       Include	support	 for  save and restore (snapshots) in bhyve(8)
	       and bhyvectl(8).

	       This option only	affects	amd64/amd64.

       WITH_BIND_NOW
	       Build all binaries with the DF_BIND_NOW flag  set  to  indicate
	       that the	run-time loader	should perform all relocation process-
	       ing  at process startup rather than on demand.  The combination
	       of the BIND_NOW and RELRO  options  provide  "full"  Relocation
	       Read-Only  (RELRO)  support.  With full RELRO the entire	GOT is
	       made read-only after performing relocation at startup, avoiding
	       GOT overwrite attacks.

       WITHOUT_BLACKLIST
	       Set this	 if  you  do  not  want	 to  build  blacklistd(8)  and
	       blacklistctl(8).	 When set, these options are also in effect:

	       WITHOUT_BLACKLIST_SUPPORT (unless WITH_BLACKLIST_SUPPORT	is set
	       explicitly)

       WITHOUT_BLACKLIST_SUPPORT
	       Build  some  programs  without  libblacklist(3)	support,  like
	       fingerd(8), ftpd(8), and	sshd(8).

       WITHOUT_BLUETOOTH
	       Do not build Bluetooth related kernel modules, programs and li-
	       braries.

       WITHOUT_BOOT
	       Do not build the	boot blocks and	loader.

       WITHOUT_BOOTPARAMD
	       Do not build or install bootparamd(8).

       WITHOUT_BOOTPD
	       Do not build or install bootpd(8).

       WITHOUT_BSDINSTALL
	       Do not build bsdinstall(8), sade(8), and	related	programs.

       WITHOUT_BSD_CPIO
	       Do not  build  the  BSD	licensed  version  of  cpio  based  on
	       libarchive(3).

       WITHOUT_BSNMP
	       Do  not	build  or  install bsnmpd(1) and related libraries and
	       data files.

       WITHOUT_BZIP2
	       Do not build contributed	bzip2 software as a part of  the  base
	       system.	The option has no effect yet.  When set, these options
	       are also	in effect:

	       WITHOUT_BZIP2_SUPPORT (unless WITH_BZIP2_SUPPORT	is set explic-
	       itly)

       WITHOUT_BZIP2_SUPPORT
	       Build some programs without optional bzip2 support.

       WITHOUT_CALENDAR
	       Do not build calendar(1).

       WITHOUT_CAPSICUM
	       This option has no effect.

       WITHOUT_CAROOT
	       Do not add the trusted certificates from	the Mozilla NSS	bundle
	       to base.

       WITHOUT_CASPER
	       This option has no effect.

       WITH_CCACHE_BUILD
	       Use  ccache(1) for the build.  No configuration is required ex-
	       cept to install the  devel/ccache  package.   When  using  with
	       distcc(1),  set	CCACHE_PREFIX=/usr/local/bin/distcc.   The de-
	       fault cache directory of	$HOME/.ccache will be used, which  can
	       be  overridden by setting CCACHE_DIR.  The CCACHE_COMPILERCHECK
	       option defaults to content when	using  the  in-tree  bootstrap
	       compiler,  and  mtime  when  using  an  external	compiler.  The
	       CCACHE_CPP2 option is used for Clang but	not GCC.

	       Sharing a cache between multiple	work directories requires  us-
	       ing  a  layout similar to /some/prefix/src /some/prefix/obj and
	       an environment such as:

		     CCACHE_BASEDIR='${SRCTOP:H}' MAKEOBJDIRPREFIX='${SRCTOP:H}/obj'

	       See ccache(1) for more configuration options.

       WITHOUT_CCD
	       Do not build geom_ccd(4)	and related utilities.

       WITHOUT_CDDL
	       Do not build code licensed under	Sun's CDDL.  When set, it  en-
	       forces these options:

	       WITHOUT_CTF
	       WITHOUT_DTRACE
	       WITHOUT_LOADER_ZFS
	       WITHOUT_ZFS
	       WITHOUT_ZFS_TESTS

       WITHOUT_CLANG
	       Do  not build the Clang C/C++ compiler during the regular phase
	       of the build.  When set,	it enforces these options:

	       WITHOUT_CLANG_EXTRAS
	       WITHOUT_CLANG_FORMAT
	       WITHOUT_CLANG_FULL
	       WITHOUT_LLVM_COV

	       When set, these options are also	in effect:

	       WITHOUT_LLVM_TARGET_AARCH64 (unless WITH_LLVM_TARGET_AARCH64 is
	       set explicitly)
	       WITHOUT_LLVM_TARGET_ALL (unless WITH_LLVM_TARGET_ALL is set ex-
	       plicitly)
	       WITHOUT_LLVM_TARGET_ARM (unless WITH_LLVM_TARGET_ARM is set ex-
	       plicitly)
	       WITHOUT_LLVM_TARGET_POWERPC (unless WITH_LLVM_TARGET_POWERPC is
	       set explicitly)
	       WITHOUT_LLVM_TARGET_RISCV (unless WITH_LLVM_TARGET_RISCV	is set
	       explicitly)

       WITHOUT_CLANG_BOOTSTRAP
	       Do not build the	Clang  C/C++  compiler	during	the  bootstrap
	       phase of	the build.  To be able to build	the system, either gcc
	       or clang	bootstrap must be enabled unless an alternate compiler
	       is provided via XCC.

       WITH_CLANG_EXTRAS
	       Build  additional  clang	 and  llvm tools, such as bugpoint and
	       clang-format.

       WITH_CLANG_FORMAT
	       Build clang-format.

       WITHOUT_CLANG_FULL
	       Avoid building the ARCMigrate, Rewriter and StaticAnalyzer com-
	       ponents of the Clang C/C++ compiler.

       WITHOUT_CLEAN
	       Do not clean before building world and/or kernel.

       WITHOUT_CPP
	       Do not build cpp(1).

       WITHOUT_CROSS_COMPILER
	       Do not build any	cross compiler in  the	cross-tools  stage  of
	       buildworld.  When compiling a different version of FreeBSD than
	       what  is	installed on the system, provide an alternate compiler
	       with XCC	to ensure success.  When compiling with	 an  identical
	       version of FreeBSD to the host, this option may be safely used.
	       This  option  may also be safe when the host version of FreeBSD
	       is close	to the sources being built, but	all bets  are  off  if
	       there  have  been any changes to	the toolchain between the ver-
	       sions.  When set, it enforces these options:

	       WITHOUT_CLANG_BOOTSTRAP
	       WITHOUT_ELFTOOLCHAIN_BOOTSTRAP
	       WITHOUT_LLD_BOOTSTRAP

       WITHOUT_CRYPT
	       Do not build any	crypto code.  When set,	it enforces these  op-
	       tions:

	       WITHOUT_DMAGENT
	       WITHOUT_KERBEROS
	       WITHOUT_KERBEROS_SUPPORT
	       WITHOUT_LDNS
	       WITHOUT_LDNS_UTILS
	       WITHOUT_LOADER_ZFS
	       WITHOUT_OPENSSH
	       WITHOUT_OPENSSL
	       WITHOUT_OPENSSL_KTLS
	       WITHOUT_PKGBOOTSTRAP
	       WITHOUT_UNBOUND
	       WITHOUT_ZFS
	       WITHOUT_ZFS_TESTS

	       When set, these options are also	in effect:

	       WITHOUT_GSSAPI (unless WITH_GSSAPI is set explicitly)

       WITH_CTF
	       Compile with CTF	(Compact C Type	Format)	data.  CTF data	encap-
	       sulates	a  reduced  form  of  debugging	information similar to
	       DWARF and the venerable stabs and is required for DTrace.

       WITHOUT_CUSE
	       Do not build CUSE-related programs and libraries.

       WITHOUT_CXGBETOOL
	       Do not build cxgbetool(8)

	       This is a default setting  on  arm/armv7,  powerpc/powerpc  and
	       riscv/riscv64.

       WITH_CXGBETOOL
	       Build cxgbetool(8)

	       This  is	 a  default  setting  on  amd64/amd64,	arm64/aarch64,
	       i386/i386, powerpc/powerpc64 and	powerpc/powerpc64le.

       WITHOUT_DEBUG_FILES
	       Avoid building or installing standalone debug  files  for  each
	       executable binary and shared library.

       WITH_DETECT_TZ_CHANGES
	       Make  the  time	handling  code	detect changes to the timezone
	       files.

       WITHOUT_DIALOG
	       Do not build dialog(1), dialog(3), dpv(1),  and	dpv(3).	  When
	       set, it enforces	these options:

	       WITHOUT_BSDINSTALL

       WITHOUT_DICT
	       Do not build the	Webster	dictionary files.

       WITH_DIRDEPS_BUILD
	       This   is   an	alternate   build  system.   For  details  see
	       https://www.crufty.net/sjg/docs/freebsd-meta-mode.htm.	 Build
	       commands	can be seen from the top-level with:
		     make show-valid-targets
	       The build is driven by dirdeps.mk using DIRDEPS stored in Make-
	       file.depend files found in each directory.

	       The  build  can be started from anywhere, and behaves the same.
	       The initial instance of make(1) recursively reads DIRDEPS  from
	       Makefile.depend,	 computing  a  graph of	tree dependencies from
	       the current origin.  Setting NO_DIRDEPS skips  checking	dirdep
	       dependencies  and  will only build in the current and child di-
	       rectories.  NO_DIRDEPS_BELOW skips  building  any  dirdeps  and
	       only build the current directory.

	       This  also  utilizes  the  WITH_META_MODE logic for incremental
	       builds.

	       The build hides commands	executed unless	NO_SILENT is defined.

	       Note that there is currently no mass install feature for	 this.
	       This build is designed for producing packages, that can then be
	       installed on a target system.

	       The  implementation in FreeBSD is incomplete.  Completion would
	       require leaf directories	for building each kernel  and  package
	       so  that	 their	dependencies can be tracked.  When set,	it en-
	       forces these options:

	       WITH_INSTALL_AS_USER

	       When set, these options are also	in effect:

	       WITH_META_ERROR_TARGET (unless WITHOUT_META_ERROR_TARGET	is set
	       explicitly)
	       WITH_META_MODE (unless WITHOUT_META_MODE	is set explicitly)
	       WITH_STAGING (unless WITHOUT_STAGING is set explicitly)
	       WITH_STAGING_MAN	(unless	WITHOUT_STAGING_MAN is set explicitly)
	       WITH_STAGING_PROG (unless WITHOUT_STAGING_PROG is  set  explic-
	       itly)
	       WITH_SYSROOT (unless WITHOUT_SYSROOT is set explicitly)

	       This  must  be  set  in	the environment, make command line, or
	       /etc/src-env.conf, not /etc/src.conf.

       WITH_DIRDEPS_CACHE
	       Cache result of dirdeps.mk which	can save significant time  for
	       subsequent builds.  Depends on WITH_DIRDEPS_BUILD.

	       This  must  be  set  in	the environment, make command line, or
	       /etc/src-env.conf, not /etc/src.conf.

       WITH_DISK_IMAGE_TOOLS_BOOTSTRAP
	       Build etdump(1),	makefs(8) and mkimg(1) as bootstrap tools.

       WITHOUT_DMAGENT
	       Do not build dma	Mail Transport Agent.

       WITHOUT_DOCCOMPRESS
	       Do not install compressed system	documentation.	Only  the  un-
	       compressed version will be installed.

       WITHOUT_DTRACE
	       Do  not	build  DTrace framework	kernel modules,	libraries, and
	       user commands.  When set, it enforces these options:

	       WITHOUT_CTF

       WITH_DTRACE_ASAN
	       Compile userspace  DTrace  code	(libdtrace,  dtrace(1),	 lock-
	       stat(1),	plockstat(1)) with address and undefined behavior san-
	       itizers.	  Requires  that Clang be used as the base system com-
	       piler and that the runtime support library is available.

       WITH_DTRACE_TESTS
	       Build	and    install	  the	 DTrace	   test	   suite    in
	       /usr/tests/cddl/usr.sbin/dtrace.	 This test suite is considered
	       experimental  on	 architectures other than amd64/amd64 and run-
	       ning it may cause system	instability.

       WITHOUT_DYNAMICROOT
	       Set this	if you do not want to link /bin	and /sbin dynamically.

       WITHOUT_EE
	       Do not build and	install	edit(1), ee(1),	and related programs.

       WITHOUT_EFI
	       Set not to build	efivar(3) and efivar(8).

	       This is a default setting on i386/i386,	powerpc/powerpc,  pow-
	       erpc/powerpc64, powerpc/powerpc64le and riscv/riscv64.

       WITH_EFI
	       Build efivar(3) and efivar(8).

	       This  is	 a  default  setting  on  amd64/amd64,	arm/armv7  and
	       arm64/aarch64.

       WITHOUT_ELFTOOLCHAIN_BOOTSTRAP
	       Do not build ELF	Tool Chain tools (addr2line, nm, size, strings
	       and strip) as part of  the  bootstrap  process.	 An  alternate
	       bootstrap tool chain must be provided.

       WITHOUT_EXAMPLES
	       Avoid installing	examples to /usr/share/examples/.

       WITH_EXPERIMENTAL
	       Include experimental features in	the build.

       WITHOUT_FDT
	       Do  not build Flattened Device Tree support as part of the base
	       system.	This includes  the  device  tree  compiler  (dtc)  and
	       libfdt support library.

	       This is a default setting on amd64/amd64	and i386/i386.

       WITH_FDT
	       Build Flattened Device Tree support as part of the base system.
	       This includes the device	tree compiler (dtc) and	libfdt support
	       library.

	       This  is	 a  default  setting on	arm/armv7, arm64/aarch64, pow-
	       erpc/powerpc,   powerpc/powerpc64,   powerpc/powerpc64le	   and
	       riscv/riscv64.

       WITHOUT_FILE
	       Do not build file(1) and	related	programs.

       WITHOUT_FINGER
	       Do not build or install finger(1) and fingerd(8).

       WITHOUT_FLOPPY
	       Do not build or install programs	for operating floppy disk dri-
	       ver.

       WITHOUT_FORMAT_EXTENSIONS
	       Do  not	enable	-fformat-extensions when compiling the kernel.
	       Also disables all format	checking.

       WITHOUT_FORTH
	       Build bootloaders without Forth support.

       WITHOUT_FP_LIBC
	       Build libc without floating-point support.

       WITHOUT_FREEBSD_UPDATE
	       Do not build freebsd-update(8).

       WITHOUT_FTP
	       Do not build or install ftp(1) and ftpd(8).

       WITHOUT_GAMES
	       Do not build games.

       WITHOUT_GH_BC
	       Install the traditional FreeBSD bc(1) and  dc(1)	 programs  in-
	       stead of	the enhanced versions.

       WITHOUT_GNU_DIFF
	       Do not build GNU	diff3(1).

       WITHOUT_GOOGLETEST
	       Neither	 build	 nor   install	 library  "libgmock",  library
	       "libgtest", and dependent tests.

       WITHOUT_GPIO
	       Do not build gpioctl(8) as part of the base system.

       WITHOUT_GSSAPI
	       Do not build libgssapi.

       WITHOUT_HAST
	       Do not build hastd(8) and related utilities.

       WITH_HESIOD
	       Build Hesiod support.

       WITHOUT_HTML
	       Do not build HTML docs.

       WITHOUT_HYPERV
	       Do not build or install HyperV utilities.

	       This is a default setting on arm/armv7,	powerpc/powerpc,  pow-
	       erpc/powerpc64, powerpc/powerpc64le and riscv/riscv64.

       WITH_HYPERV
	       Build or	install	HyperV utilities.

	       This  is	 a  default  setting on	amd64/amd64, arm64/aarch64 and
	       i386/i386.

       WITHOUT_ICONV
	       Do not build iconv as part of libc.

       WITHOUT_INCLUDES
	       Do not install header files.  This option used  to  be  spelled
	       NO_INCS.	 The option does not work for build targets.

       WITHOUT_INET
	       Do not build programs and libraries related to IPv4 networking.
	       When set, it enforces these options:

	       WITHOUT_INET_SUPPORT

       WITHOUT_INET6
	       Do not build programs and libraries related to IPv6 networking.
	       When set, it enforces these options:

	       WITHOUT_INET6_SUPPORT

       WITHOUT_INET6_SUPPORT
	       Build libraries,	programs, and kernel modules without IPv6 sup-
	       port.

       WITHOUT_INETD
	       Do not build inetd(8).

       WITHOUT_INET_SUPPORT
	       Build libraries,	programs, and kernel modules without IPv4 sup-
	       port.

       WITH_INIT_ALL_PATTERN
	       Build  the  base	system or kernel with stack variables initial-
	       ized to (compiler defined) debugging patterns on	 function  en-
	       try.  This option requires the clang compiler.

       WITH_INIT_ALL_ZERO
	       Build  the  base	system or kernel with stack variables initial-
	       ized to zero on function	entry.	This option requires that  the
	       clang compiler be used.

       WITHOUT_INSTALLLIB
	       Set  this to not	install	optional libraries.  For example, when
	       creating	a nanobsd(8) image.  The  option  does	not  work  for
	       build targets.

       WITH_INSTALL_AS_USER
	       Make  install  targets succeed for non-root users by installing
	       files with owner	and group attributes set to that of  the  user
	       running	the  make(1)  command.	 The  user  still must set the
	       DESTDIR variable	to point to a directory	 where	the  user  has
	       write permissions.

       WITHOUT_IPFILTER
	       Do not build IP Filter package.

       WITHOUT_IPFW
	       Do not build IPFW tools.

       WITHOUT_IPSEC_SUPPORT
	       Do  not build the kernel	with ipsec(4) support.	This option is
	       needed for ipsec(4) and tcpmd5(4).

       WITHOUT_ISCSI
	       Do not build iscsid(8) and related utilities.

       WITHOUT_JAIL
	       Do not build tools for the support of jails; e.g., jail(8).

       WITHOUT_JEMALLOC_LG_VADDR_WIDE
	       Disallow	programs to use	more than 48 address  bits  on	amd64.
	       Incompatible with LA57 mode.  Enabling this option might	result
	       in  a slight reduction in memory	consumption for	jemalloc meta-
	       data, but also requires disabling LA57  (if  hardware  supports
	       it).

       WITHOUT_KDUMP
	       Do not build kdump(1) and truss(1).

       WITHOUT_KERBEROS
	       Set  this  to  not  build  Kerberos 5 (KTH Heimdal).  When set,
	       these options are also in effect:

	       WITHOUT_GSSAPI (unless WITH_GSSAPI is set explicitly)
	       WITHOUT_KERBEROS_SUPPORT	(unless	WITH_KERBEROS_SUPPORT  is  set
	       explicitly)

       WITHOUT_KERBEROS_SUPPORT
	       Build  some  programs  without  Kerberos	 support, like ssh(1),
	       telnet(1), and sshd(8).

       WITH_KERNEL_RETPOLINE
	       Enable the "retpoline" mitigation for CVE-2017-5715 in the ker-
	       nel build.

       WITHOUT_KERNEL_SYMBOLS
	       Do not install standalone kernel	debug symbol files.  This  op-
	       tion has	no effect at build time.

       WITHOUT_KVM
	       Do  not	build the libkvm library as a part of the base system.
	       The option has no effect	yet.  When set,	these options are also
	       in effect:

	       WITHOUT_KVM_SUPPORT (unless WITH_KVM_SUPPORT is set explicitly)

       WITHOUT_KVM_SUPPORT
	       Build some programs without optional libkvm support.

       WITHOUT_LDNS
	       Setting this variable will prevent the LDNS library from	 being
	       built.  When set, it enforces these options:

	       WITHOUT_LDNS_UTILS
	       WITHOUT_UNBOUND

       WITHOUT_LDNS_UTILS
	       Setting	this variable will prevent building the	LDNS utilities
	       drill(1)	and host(1).

       WITHOUT_LEGACY_CONSOLE
	       Do not build programs that support a legacy PC  console;	 e.g.,
	       kbdcontrol(1) and vidcontrol(1).

       WITHOUT_LIB32
	       On  64-bit  platforms,  do  not	build 32-bit library set and a
	       ld-elf32.so.1 runtime linker.

	       This is a default setting on arm/armv7, i386/i386, powerpc/pow-
	       erpc, powerpc/powerpc64le and riscv/riscv64.

       WITH_LIB32
	       On 64-bit  platforms,  build  the  32-bit  library  set	and  a
	       ld-elf32.so.1 runtime linker.

	       This  is	 a  default  setting on	amd64/amd64, arm64/aarch64 and
	       powerpc/powerpc64.

       WITHOUT_LLD
	       Do not build LLVM's lld linker.

       WITHOUT_LLDB
	       Do not build the	LLDB debugger.

	       This is a default setting on arm/armv7 and riscv/riscv64.

       WITH_LLDB
	       Build the LLDB debugger.

	       This  is	 a  default  setting  on  amd64/amd64,	arm64/aarch64,
	       i386/i386,  powerpc/powerpc, powerpc/powerpc64 and powerpc/pow-
	       erpc64le.

       WITHOUT_LLD_BOOTSTRAP
	       Do not build the	LLD linker during the bootstrap	phase  of  the
	       build.  To be able to build the system an alternate linker must
	       be provided via XLD.

       WITHOUT_LLD_IS_LD
	       Do  not	install	 a  /usr/bin/ld	symlink	to ld.lld.  The	system
	       will not	have a usable tool chain unless	a linker  is  provided
	       some other way.

       WITH_LLVM_ASSERTIONS
	       Enable debugging	assertions in LLVM.

       WITH_LLVM_BINUTILS
	       Install	LLVM's	binutils (without an llvm- prefix), instead of
	       ELF Tool	Chain's	tools.	 This  includes	 addr2line(1),	ar(1),
	       nm(1),	objcopy(1),   ranlib(1),   readelf(1),	 size(1),  and
	       strip(1).  Regardless of	this setting, LLVM tools are used  for
	       c++filt(1)  and	objdump(1).   strings(1) is always provided by
	       ELF Tool	Chain.

       WITHOUT_LLVM_COV
	       Do not build the	llvm-cov(1) tool.

       WITHOUT_LLVM_CXXFILT
	       Install ELF Tool	Chain's	cxxfilt	as c++filt, instead of	LLVM's
	       llvm-cxxfilt.

       WITH_LLVM_FULL_DEBUGINFO
	       Generate	 full  debug information for LLVM libraries and	tools,
	       which uses more disk space and build resources, but allows  for
	       easier debugging.

       WITHOUT_LLVM_TARGET_AARCH64
	       Do   not	  build	  LLVM	 target	  support  for	AArch64.   The
	       LLVM_TARGET_ALL option should be	used rather than this in  most
	       cases.

       WITHOUT_LLVM_TARGET_ALL
	       Only  build  the	 required LLVM target support.	This option is
	       preferred to specific target support options.  When set,	 these
	       options are also	in effect:

	       WITHOUT_LLVM_TARGET_AARCH64 (unless WITH_LLVM_TARGET_AARCH64 is
	       set explicitly)
	       WITHOUT_LLVM_TARGET_ARM (unless WITH_LLVM_TARGET_ARM is set ex-
	       plicitly)
	       WITHOUT_LLVM_TARGET_POWERPC (unless WITH_LLVM_TARGET_POWERPC is
	       set explicitly)
	       WITHOUT_LLVM_TARGET_RISCV (unless WITH_LLVM_TARGET_RISCV	is set
	       explicitly)

       WITHOUT_LLVM_TARGET_ARM
	       Do  not build LLVM target support for ARM.  The LLVM_TARGET_ALL
	       option should be	used rather than this in most cases.

       WITH_LLVM_TARGET_BPF
	       Build LLVM target support for BPF.  The LLVM_TARGET_ALL	option
	       should be used rather than this in most cases.

       WITH_LLVM_TARGET_MIPS
	       Build LLVM target support for MIPS.  The	LLVM_TARGET_ALL	option
	       should be used rather than this in most cases.

       WITHOUT_LLVM_TARGET_POWERPC
	       Do   not	  build	  LLVM	 target	  support  for	PowerPC.   The
	       LLVM_TARGET_ALL option should be	used rather than this in  most
	       cases.

       WITHOUT_LLVM_TARGET_RISCV
	       Do   not	  build	  LLVM	 target	  support   for	 RISC-V.   The
	       LLVM_TARGET_ALL option should be	used rather than this in  most
	       cases.

       WITHOUT_LLVM_TARGET_X86
	       Do  not build LLVM target support for X86.  The LLVM_TARGET_ALL
	       option should be	used rather than this in most cases.

       WITHOUT_LOADER_BIOS_TEXTONLY
	       Include graphics, font and video	mode support in	the  i386  and
	       amd64 BIOS boot loader.

       WITH_LOADER_EFI_SECUREBOOT
	       Enable  building	 loader(8) with	support	for verification based
	       on certificates obtained	from UEFI.

       WITHOUT_LOADER_GELI
	       Disable inclusion of GELI crypto	support	in the boot chain  bi-
	       naries.

	       This is a default setting on powerpc/powerpc, powerpc/powerpc64
	       and powerpc/powerpc64le.

       WITH_LOADER_GELI
	       Build GELI bootloader support.

	       This   is   a   default	 setting  on  amd64/amd64,  arm/armv7,
	       arm64/aarch64, i386/i386	and riscv/riscv64.

       WITHOUT_LOADER_KBOOT
	       Do not build kboot, a linuxboot environment loader

	       This is a default setting on arm/armv7, i386/i386, powerpc/pow-
	       erpc, powerpc/powerpc64le and riscv/riscv64.

       WITH_LOADER_KBOOT
	       Build kboot, a linuxboot	environment loader

	       This is a default setting  on  amd64/amd64,  arm64/aarch64  and
	       powerpc/powerpc64.

       WITHOUT_LOADER_LUA
	       Do not build LUA	bindings for the boot loader.

	       This is a default setting on powerpc/powerpc, powerpc/powerpc64
	       and powerpc/powerpc64le.

       WITH_LOADER_LUA
	       Build LUA bindings for the boot loader.

	       This   is   a   default	 setting  on  amd64/amd64,  arm/armv7,
	       arm64/aarch64, i386/i386	and riscv/riscv64.

       WITHOUT_LOADER_OFW
	       Disable building	of openfirmware	bootloader components.

	       This  is	 a  default   setting	on   amd64/amd64,   arm/armv7,
	       arm64/aarch64, i386/i386	and riscv/riscv64.

       WITH_LOADER_OFW
	       Build openfirmware bootloader components.

	       This is a default setting on powerpc/powerpc, powerpc/powerpc64
	       and powerpc/powerpc64le.

       WITHOUT_LOADER_PXEBOOT
	       Do  not	build  pxeboot on i386/amd64.  When the	pxeboot	is too
	       large, or unneeded, it may be disabled with this	 option.   See
	       WITH_LOADER_PXEBOOT  for	 how  to  adjust the defaults when you
	       need both a larger /boot/loader and /boot/pxeboot

	       This option only	has an effect on x86.

       WITHOUT_LOADER_UBOOT
	       Disable building	of ubldr.

	       This  is	 a  default  setting  on  amd64/amd64,	arm64/aarch64,
	       i386/i386, powerpc/powerpc64le and riscv/riscv64.

       WITH_LOADER_UBOOT
	       Build ubldr.

	       This  is	 a  default  setting on	arm/armv7, powerpc/powerpc and
	       powerpc/powerpc64.

       WITH_LOADER_VERBOSE
	       Build with extra	verbose	debugging in the loader.  May  explode
	       already nearly too large	loader over the	limit.	Use with care.

       WITH_LOADER_VERIEXEC
	       Enable building loader(8) with support for verification similar
	       to Verified Exec.

	       Depends	on  WITH_BEARSSL.   May	 require  a larger LOADERSIZE.
	       When set, these options are also	in effect:

	       WITH_LOADER_EFI_SECUREBOOT			       (unless
	       WITHOUT_LOADER_EFI_SECUREBOOT is	set explicitly)
	       WITH_LOADER_VERIEXEC_VECTX			       (unless
	       WITHOUT_LOADER_VERIEXEC_VECTX is	set explicitly)

       WITH_LOADER_VERIEXEC_PASS_MANIFEST
	       Enable building loader(8) with support to pass a	verified mani-
	       fest to the kernel.  The	kernel has to be built with  a	module
	       to parse	the manifest.

	       Depends on WITH_LOADER_VERIEXEC.

       WITH_LOADER_VERIEXEC_VECTX
	       Enable  building	loader(8) with support for hashing and verify-
	       ing kernel and modules as a side	effect of loading.

	       Depends on WITH_LOADER_VERIEXEC.

       WITHOUT_LOADER_ZFS
	       Do not build ZFS	file system boot loader	support.

       WITHOUT_LOCALES
	       Do not build localization files;	see locale(1).

       WITHOUT_LOCATE
	       Do not build locate(1) and related programs.

       WITHOUT_LPR
	       Do not build lpr(1) and related programs.

       WITHOUT_LS_COLORS
	       Build ls(1) without support  for	 colors	 to  distinguish  file
	       types.

       WITHOUT_MACHDEP_OPTIMIZATIONS
	       Prefer machine-independent non-assembler	code in	libc and libm.

       WITHOUT_MAIL
	       Do  not	build any mail support (MUA or MTA).  When set,	it en-
	       forces these options:

	       WITHOUT_DMAGENT
	       WITHOUT_MAILWRAPPER
	       WITHOUT_SENDMAIL

       WITHOUT_MAILWRAPPER
	       Do not build the	mailwrapper(8) MTA selector.

       WITHOUT_MAKE
	       Do not install make(1) and related support files.

       WITHOUT_MAKE_CHECK_USE_SANDBOX
	       Do not execute "make check" in limited sandbox mode.  This  op-
	       tion  should be paired with WITH_INSTALL_AS_USER	if executed as
	       an unprivileged user.  See tests(7) for more details.

       WITH_MALLOC_PRODUCTION
	       Disable assertions and statistics gathering in  malloc(3).   It
	       also defaults the A and J runtime options to off.

       WITHOUT_MAN
	       Do not build manual pages.  When	set, these options are also in
	       effect:

	       WITHOUT_MAN_UTILS (unless WITH_MAN_UTILS	is set explicitly)

       WITHOUT_MANCOMPRESS
	       Do  not	install	 compressed  man pages.	 Only the uncompressed
	       versions	will be	installed.

       WITHOUT_MANSPLITPKG
	       Do not split man	pages into  their  own	packages  during  make
	       package.

       WITHOUT_MAN_UTILS
	       Do   not	  build	  utilities   for  manual  pages,  apropos(1),
	       makewhatis(1), man(1), whatis(1), manctl(8), and	 related  sup-
	       port files.

       WITH_META_ERROR_TARGET
	       Enable the META_MODE .ERROR target.

	       This  target  will  copy	 the  meta  file of a failed target to
	       ERROR_LOGDIR (default  is  `${SRCTOP:H}/error')	to  help  with
	       failure	analysis.   Depends  on	 WITH_META_MODE.  This default
	       when WITH_DIRDEPS_BUILD is set.

	       This must be set	in the	environment,  make  command  line,  or
	       /etc/src-env.conf, not /etc/src.conf.

       WITH_META_MODE
	       Create  make(1)	meta  files when building, which can provide a
	       reliable	incremental build when	using  filemon(4).   The  meta
	       file  is	 created  in  OBJDIR as	target.meta.  These meta files
	       track the command that was executed, its	output,	and  the  cur-
	       rent  directory.	  The  filemon(4)  module  is  required	unless
	       NO_FILEMON is defined.  When the	module is  loaded,  any	 files
	       used  by	 the commands executed are tracked as dependencies for
	       the target in its meta file.  The target	is considered  out-of-
	       date  and  rebuilt if any of these conditions are true compared
	       to the last build:
	          The command to execute changes.
	          The current working directory changes.
	          The target's	meta file is missing.
	          The target's	meta file is missing filemon data when filemon
		   is loaded and a previous run	did not	have it	loaded.
	          [requires filemon(4)] Files read, executed or linked	to are
		   newer than the target.
	          [requires filemon(4)]  Files	 read,	written,  executed  or
		   linked are missing.
	       The meta	files can also be useful for debugging.

	       The  build hides	commands that are executed unless NO_SILENT is
	       defined.	 Errors	cause make(1) to show some of its  environment
	       for further debugging.

	       The build operates as it	normally would otherwise.  This	option
	       originally  invoked  a  different build system but that was re-
	       named to	WITH_DIRDEPS_BUILD.

	       This must be set	in the	environment,  make  command  line,  or
	       /etc/src-env.conf, not /etc/src.conf.

       WITHOUT_MLX5TOOL
	       Do not build mlx5tool(8)

	       This  is	 a  default  setting on	arm/armv7, powerpc/powerpc and
	       riscv/riscv64.

       WITH_MLX5TOOL
	       Build mlx5tool(8)

	       This  is	 a  default  setting  on  amd64/amd64,	arm64/aarch64,
	       i386/i386, powerpc/powerpc64 and	powerpc/powerpc64le.

       WITHOUT_NETCAT
	       Do not build nc(1) utility.

       WITHOUT_NETGRAPH
	       Do not build applications to support netgraph(4).  When set, it
	       enforces	these options:

	       WITHOUT_BLUETOOTH

	       When set, these options are also	in effect:

	       WITHOUT_NETGRAPH_SUPPORT	 (unless  WITH_NETGRAPH_SUPPORT	is set
	       explicitly)

       WITHOUT_NETGRAPH_SUPPORT
	       Build libraries,	programs, and kernel modules without  netgraph
	       support.

       WITHOUT_NETLINK
	       Do not build genl(1) utility.

       WITHOUT_NETLINK_SUPPORT
	       Make libraries and programs use rtsock and sysctl(3) interfaces
	       instead of snl(3).

       WITHOUT_NIS
	       Do  not build NIS(8) support and	related	programs.  If set, you
	       might need to adopt your	nsswitch.conf(5) and remove `nis'  en-
	       tries.

       WITHOUT_NLS
	       Do  not	build  NLS  catalogs.  When set, it enforces these op-
	       tions:

	       WITHOUT_NLS_CATALOGS

       WITHOUT_NLS_CATALOGS
	       Do not build NLS	catalog	support	for csh(1).

       WITHOUT_NS_CACHING
	       Disable name caching in the nsswitch  subsystem.	  The  generic
	       caching	daemon,	 nscd(8), will not be built either if this op-
	       tion is set.

       WITHOUT_NTP
	       Do not build ntpd(8) and	related	programs.

       WITHOUT_NUAGEINIT
	       Do not install the limited cloud	init support scripts.

       WITHOUT_OFED
	       Do not build the	"OpenFabrics Enterprise	Distribution"  Infini-
	       Band software stack, including kernel modules and userspace li-
	       braries.

	       This  is	a default setting on arm/armv7.	 When set, it enforces
	       these options:

	       WITHOUT_OFED_EXTRA

       WITH_OFED
	       Build  the  "OpenFabrics	 Enterprise  Distribution"  InfiniBand
	       software	 stack,	 including  kernel  modules  and userspace li-
	       braries.

	       This  is	 a  default  setting  on  amd64/amd64,	arm64/aarch64,
	       i386/i386,   powerpc/powerpc,  powerpc/powerpc64,  powerpc/pow-
	       erpc64le	and riscv/riscv64.

       WITH_OFED_EXTRA
	       Build  the  non-essential  components   of   the	  "OpenFabrics
	       Enterprise  Distribution" Infiniband software stack, mostly ex-
	       amples.

       WITH_OPENLDAP
	       Enable building LDAP support for	 kerberos  using  an  openldap
	       client from ports.

       WITHOUT_OPENMP
	       Do not build LLVM's OpenMP runtime.

	       This is a default setting on arm/armv7 and powerpc/powerpc.

       WITH_OPENMP
	       Build LLVM's OpenMP runtime.

	       This  is	 a  default  setting  on  amd64/amd64,	arm64/aarch64,
	       i386/i386,    powerpc/powerpc64,	   powerpc/powerpc64le	   and
	       riscv/riscv64.

       WITHOUT_OPENSSH
	       Do not build OpenSSH.

       WITHOUT_OPENSSL
	       Do not build OpenSSL.  When set,	it enforces these options:

	       WITHOUT_DMAGENT
	       WITHOUT_KERBEROS
	       WITHOUT_KERBEROS_SUPPORT
	       WITHOUT_LDNS
	       WITHOUT_LDNS_UTILS
	       WITHOUT_LOADER_ZFS
	       WITHOUT_OPENSSH
	       WITHOUT_OPENSSL_KTLS
	       WITHOUT_PKGBOOTSTRAP
	       WITHOUT_UNBOUND
	       WITHOUT_ZFS
	       WITHOUT_ZFS_TESTS

	       When set, these options are also	in effect:

	       WITHOUT_GSSAPI (unless WITH_GSSAPI is set explicitly)

       WITHOUT_OPENSSL_KTLS
	       Do not include kernel TLS support in OpenSSL.

	       This is a default setting on arm/armv7, i386/i386, powerpc/pow-
	       erpc and	riscv/riscv64.

       WITH_OPENSSL_KTLS
	       Include kernel TLS support in OpenSSL.

	       This  is	 a default setting on amd64/amd64, arm64/aarch64, pow-
	       erpc/powerpc64 and powerpc/powerpc64le.

       WITHOUT_PAM
	       Do not build PAM	library	and modules.  This  option  is	depre-
	       cated  and  does	 nothing.  When	set, these options are also in
	       effect:

	       WITHOUT_PAM_SUPPORT (unless WITH_PAM_SUPPORT is set explicitly)

       WITHOUT_PAM_SUPPORT
	       Build some programs without PAM support,	 particularly  ftpd(8)
	       and ppp(8).

       WITHOUT_PF
	       Do  not build PF	firewall package.  When	set, it	enforces these
	       options:

	       WITHOUT_AUTHPF

       WITHOUT_PIE
	       Do not build dynamically	linked binaries	 as  Position-Indepen-
	       dent Executable (PIE).

	       This  is	 a  default  setting  on arm/armv7, i386/i386 and pow-
	       erpc/powerpc.

       WITH_PIE
	       Build dynamically linked	binaries as Position-Independent  Exe-
	       cutable (PIE).

	       This  is	 a default setting on amd64/amd64, arm64/aarch64, pow-
	       erpc/powerpc64, powerpc/powerpc64le and riscv/riscv64.

       WITHOUT_PKGBOOTSTRAP
	       Do not build pkg(7) bootstrap tool.

       WITHOUT_PMC
	       Do not build pmccontrol(8) and related programs.

       WITHOUT_PPP
	       Do not build ppp(8) and related programs.

       WITH_PROFILE
	       Build profiled libraries	for use	with gprof(8).	This option is
	       deprecated and may not  be  present  in	a  future  version  of
	       FreeBSD.

       WITHOUT_PTHREADS_ASSERTIONS
	       Disable debugging assertions in pthreads	library.

       WITHOUT_QUOTAS
	       Do not build quota(1) and related programs.

       WITHOUT_RADIUS_SUPPORT
	       Do  not	build  radius  support into various applications, like
	       pam_radius(8) and ppp(8).

       WITH_RATELIMIT
	       Build the system	with rate limit	support.

	       This makes SO_MAX_PACING_RATE effective in  getsockopt(2),  and
	       txrlimit	support	in ifconfig(8),	by proxy.

       WITHOUT_RBOOTD
	       Do not build or install rbootd(8).

       WITHOUT_RELRO
	       Do  not	apply  the  Relocation Read-Only (RELRO) vulnerability
	       mitigation.  See	also the BIND_NOW option.

       WITHOUT_REPRODUCIBLE_BUILD
	       Include build metadata (such as the build time, user, and host)
	       in the kernel, boot  loaders,  and  uname  output.   Successive
	       builds will not be bit-for-bit identical.

       WITHOUT_RESCUE
	       Do not build rescue(8).

       WITH_RETPOLINE
	       Build  the base system with the retpoline speculative execution
	       vulnerability mitigation	for CVE-2017-5715.

       WITHOUT_ROUTED
	       Do not build routed(8) utility.

       WITH_RPCBIND_WARMSTART_SUPPORT
	       Build rpcbind(8)	with warmstart support.

       WITHOUT_SCTP_SUPPORT
	       Disable support in the kernel for the  sctp(4)  Stream  Control
	       Transmission Protocol loadable kernel module.

       WITHOUT_SENDMAIL
	       Do not build sendmail(8)	and related programs.

       WITHOUT_SERVICESDB
	       Do not install /var/db/services.db.

       WITHOUT_SETUID_LOGIN
	       Set this	to disable the installation of login(1)	as a set-user-
	       ID root program.

       WITHOUT_SHAREDOCS
	       Do not build the	4.4BSD legacy docs.

       WITH_SORT_THREADS
	       Enable threads in sort(1).

       WITHOUT_SOURCELESS
	       Do  not	build kernel modules that include sourceless code (ei-
	       ther microcode or native	code for host CPU).  When set, it  en-
	       forces these options:

	       WITHOUT_SOURCELESS_HOST
	       WITHOUT_SOURCELESS_UCODE

       WITHOUT_SOURCELESS_HOST
	       Do not build kernel modules that	include	sourceless native code
	       for host	CPU.

       WITHOUT_SOURCELESS_UCODE
	       Do not build kernel modules that	include	sourceless microcode.

       WITHOUT_SPLIT_KERNEL_DEBUG
	       Do not build standalone kernel debug files.  Debug data (if en-
	       abled by	the kernel configuration file) will be included	in the
	       kernel and modules.  When set, it enforces these	options:

	       WITHOUT_KERNEL_SYMBOLS

       WITHOUT_SSP
	       Do not build world with stack smashing protection.

       WITH_STAGING
	       Enable  staging	of  files  to  a stage tree.  This can be best
	       thought of as auto-install to DESTDIR with some extra meta data
	       to  ensure   dependencies   can	 be   tracked.	  Depends   on
	       WITH_DIRDEPS_BUILD.   When  set,	 these options are also	in ef-
	       fect:

	       WITH_STAGING_MAN	(unless	WITHOUT_STAGING_MAN is set explicitly)
	       WITH_STAGING_PROG (unless WITHOUT_STAGING_PROG is  set  explic-
	       itly)

	       This  must  be  set  in	the environment, make command line, or
	       /etc/src-env.conf, not /etc/src.conf.

       WITH_STAGING_MAN
	       Enable staging of man pages to stage tree.

       WITH_STAGING_PROG
	       Enable staging of PROGs to stage	tree.

       WITH_STALE_STAGED
	       Check staged files are not stale.

       WITHOUT_STATS
	       Neither build nor install library "libstats" and	dependent  bi-
	       naries.

       WITHOUT_SYSCONS
	       Do  not	build  syscons(4) support files	such as	keyboard maps,
	       fonts, and screen output	maps.

       WITH_SYSROOT
	       Enable	use   of   sysroot   during   build.	 Depends    on
	       WITH_DIRDEPS_BUILD.

	       This  must  be  set  in	the environment, make command line, or
	       /etc/src-env.conf, not /etc/src.conf.

       WITHOUT_SYSTEM_COMPILER
	       Do not opportunistically	skip building a	cross-compiler	during
	       the  bootstrap  phase of	the build.  Normally, if the currently
	       installed compiler matches the planned bootstrap	compiler  type
	       and revision, then it will not be built.	 This does not prevent
	       a  compiler  from being built for installation though, only for
	       building	one for	the build itself.   The	 WITHOUT_CLANG	option
	       controls	that.

       WITHOUT_SYSTEM_LINKER
	       Do  not	opportunistically  skip	building a cross-linker	during
	       the bootstrap phase of the build.  Normally, if	the  currently
	       installed  linker matches the planned bootstrap linker type and
	       revision, then it will not be built.  This does not  prevent  a
	       linker  from  being  built  for	installation  though, only for
	       building	one for	the build itself.  The WITHOUT_LLD option con-
	       trols that.

	       This option is only relevant when WITH_LLD_BOOTSTRAP is set.

       WITHOUT_TALK
	       Do not build or install talk(1) and talkd(8).

       WITHOUT_TCP_WRAPPERS
	       Do not build or install tcpd(8),	and related utilities.

       WITHOUT_TCSH
	       Do not build and	install	/bin/csh (which	is tcsh(1)).

       WITHOUT_TELNET
	       Do not build telnet(1) and related programs.

       WITHOUT_TESTS
	       Do not build nor	install	the FreeBSD Test Suite in /usr/tests/.
	       See tests(7) for	more details.  This also disables the build of
	       all test-related	dependencies, including	ATF.  When set,	it en-
	       forces these options:

	       WITHOUT_DTRACE_TESTS
	       WITHOUT_ZFS_TESTS

	       When set, these options are also	in effect:

	       WITHOUT_GOOGLETEST (unless WITH_GOOGLETEST is set explicitly)
	       WITHOUT_TESTS_SUPPORT (unless WITH_TESTS_SUPPORT	is set explic-
	       itly)

       WITHOUT_TESTS_SUPPORT
	       Disable the build of all	test-related  dependencies,  including
	       ATF.  When set, it enforces these options:

	       WITHOUT_GOOGLETEST

       WITHOUT_TEXTPROC
	       Do not build programs used for text processing.

       WITHOUT_TFTP
	       Do not build or install tftp(1) and tftpd(8).

       WITHOUT_TOOLCHAIN
	       Do  not	install	programs used for program development, compil-
	       ers, debuggers etc.  When set, it enforces these	options:

	       WITHOUT_CLANG
	       WITHOUT_CLANG_EXTRAS
	       WITHOUT_CLANG_FORMAT
	       WITHOUT_CLANG_FULL
	       WITHOUT_LLD
	       WITHOUT_LLDB
	       WITHOUT_LLVM_COV

       WITH_UBSAN
	       Build the base system with Undefined Behavior Sanitizer (UBSan)
	       to detect various kinds of undefined behavior at	runtime.   Re-
	       quires  that Clang be used as the base system compiler and that
	       the runtime support library is available

       WITHOUT_UNBOUND
	       Do not build unbound(8) and related programs.

       WITHOUT_UNIFIED_OBJDIR
	       Use the historical object directory format  for	build(7)  tar-
	       gets.  For native-builds	and builds done	directly in sub-direc-
	       tories  the  format  of ${MAKEOBJDIRPREFIX}/${.CURDIR} is used,
	       while			 for			  cross-builds
	       ${MAKEOBJDIRPREFIX}/${TARGET}.${TARGET_ARCH}/${.CURDIR}	    is
	       used.

	       This option is transitional and will be	removed	 in  a	future
	       version	of  FreeBSD, at	which time WITH_UNIFIED_OBJDIR will be
	       enabled permanently.

	       This must be set	in the	environment,  make  command  line,  or
	       /etc/src-env.conf, not /etc/src.conf.

       WITHOUT_USB
	       Do not build USB-related	programs and libraries.

       WITHOUT_USB_GADGET_EXAMPLES
	       Do not build USB	gadget kernel modules.

       WITHOUT_UTMPX
	       Do  not	build user accounting tools such as last(1), users(1),
	       who(1), ac(8), lastlogin(8) and utx(8).

       WITH_VERIEXEC
	       Enable building veriexec(8) which loads the contents  of	 veri-
	       fied manifests into the kernel for use by mac_veriexec(4)

	       Depends on WITH_BEARSSL.

       WITHOUT_VI
	       Do not build and	install	vi, view, ex and related programs.

       WITHOUT_VT
	       Do not build vt(4) support files	(fonts and keymaps).

       WITHOUT_WARNS
	       Set  this to not	add warning flags to the compiler invocations.
	       Useful as a temporary workaround	 when  code  enters  the  tree
	       which  triggers	warnings  in environments that differ from the
	       original	developer.

       WITHOUT_WERROR
	       Set this	to not treat compiler warnings as errors.  Useful as a
	       temporary workaround when working on fixing compiler  warnings.
	       When  set,  warnings  are still printed in the build log	but do
	       not fail	the build.

       WITHOUT_WIRELESS
	       Do not build programs used for 802.11 wireless networks;	 espe-
	       cially  wpa_supplicant(8)  and hostapd(8).  When	set, these op-
	       tions are also in effect:

	       WITHOUT_WIRELESS_SUPPORT	(unless	WITH_WIRELESS_SUPPORT  is  set
	       explicitly)

       WITHOUT_WIRELESS_SUPPORT
	       Build  libraries,  programs,  and kernel	modules	without	802.11
	       wireless	support.

       WITHOUT_WPA_SUPPLICANT_EAPOL
	       Build wpa_supplicant(8) without support	for  the  IEEE	802.1X
	       protocol	 and  without support for EAP-PEAP, EAP-TLS, EAP-LEAP,
	       and EAP-TTLS protocols (usable only via 802.1X).

       WITHOUT_ZFS
	       Do not build the	ZFS file system	kernel module, libraries  such
	       as  libbe(3),  and  user	 commands  such	as zpool(8) or zfs(8).
	       Also disable ZFS	support	in utilities and libraries  which  im-
	       plement	ZFS-specific  functionality.   When  set,  it enforces
	       these options:

	       WITHOUT_ZFS_TESTS

       WITHOUT_ZFS_TESTS
	       Do not build and	install	the legacy ZFS test suite.

       WITHOUT_ZONEINFO
	       Do not build the	timezone  database.   When  set,  it  enforces
	       these options:

	       WITHOUT_ZONEINFO_LEAPSECONDS_SUPPORT

       WITH_ZONEINFO_LEAPSECONDS_SUPPORT
	       Build leapsecond	information in to the timezone database.

FILES
       /etc/src.conf
       /etc/src-env.conf
       /usr/share/mk/bsd.own.mk

SEE ALSO
       make(1),	make.conf(5), build(7),	ports(7)

HISTORY
       The src.conf file appeared in FreeBSD 7.0.

AUTHORS
       This manual page	was autogenerated by tools/build/options/makeman.

FreeBSD	13.2		       October 30, 2024			   SRC.CONF(5)

NAME | DESCRIPTION | FILES | SEE ALSO | HISTORY | AUTHORS

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