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32 .Nd system build information
36 contains settings that control the compilation of the
41 is generally created by the system administrator when the values need
42 to be changed from their defaults.
46 is not to run commands or perform compilation actions
48 Instead, it is included by the various makefiles in
50 which conditionalize their internal actions according to the settings
55 file is included from the appropriate
57 which specifies the default settings for all the available options.
58 Options need only be specified in
60 when the system administrator wishes to override these defaults.
62 The build procedures occur in three areas: world, kernel, and
66 may be applicable during builds in one, two, or all of these areas.
67 They may be specified for a particular build via the
72 The following lists provide a name and short description for each
73 variable you can use during the indicated builds.
74 The values of variables flagged as
76 are ignored; the variable being set at all (even to
80 causes it to be treated as if it were set.
82 The following list provides a name and short description for variables
83 that are used for all builds, or are used by the
85 for things other than builds.
89 Controls which processor should be targeted for generated code.
90 This controls processor-specific optimizations in certain code
91 (currently only OpenSSL) as well as modifying the value of
95 to contain the appropriate optimization directive to
97 The automatic setting of
101 may be overridden using the
105 variables, respectively. Refer to
106 .Pa /usr/share/examples/etc/defaults/make.conf
107 for a list of recognized
112 Controls which GCC version to use by default.
115 so as not to interfere with overrides from userland.
116 We currently recommend that an override NOT be set in
118 Currently accepted values for compilers which are part of
125 All other values will handled according to the settings in
126 .Xr compilers.conf 5 .
129 Controls which version of GCC builds the base system, including
132 is the default value.
135 Controls which linker to use by default. Currently accepted
138 (GNU Gold linker) and
143 Controls which linker builds the base system, including
146 is the default value.
149 Controls which binutils to use by default.
150 Currently accepted values are
155 .It Va WORLD_BINUTILSVER
157 Controls which version of binutils builds the base system, including
160 is the default value.
163 Controls the compiler setting when compiling C code.
164 Optimization levels above
169 is provided as a set of
171 settings suggested by
172 .An Bruce Evans Aq Mt bde@FreeBSD.org
173 for developing and testing changes.
174 They can be used, if set, by:
175 .Bd -literal -offset indent
184 to be set to a blank value, if set.
189 for compiling with debug symbols.
192 Setting this variable will prevent CPU specific compiler flags
193 from being automatically added to
198 Controls the compiler settings when compiling C++ code.
200 is initially set to the value of
202 If you want to add to the
210 the default install command.
211 To have components compared before doing the install, use
212 .Bd -literal -offset indent
217 Inhibit automatic backup of world binaries as port of
224 defines where system binaries will be backed up for the
229 .Dq /var/backups/world_backup .
232 defines where system binaries will be backed up automatically
238 .Dq Ev MAKEOBJDIRPREFIX Ns /world_binaries/ Ns Ev DESTDIR .
241 List of directories that should be entered when running
247 Controls the shell used internally by
249 to process the command scripts in makefiles.
254 all currently supported.
255 .Bd -literal -offset indent
258 .It Va MODULES_OVERRIDE
260 Set to a list of modules to build instead of all of them.
261 .It Va MTREE_FOLLOWS_SYMLINKS
270 Set this to the flag to pass to the
273 If set to a blank value, debug symbols will not be removed.
275 is automatically set to a blank value if
285 Set this to disable name caching in the nsswitch subsystem.
286 The generic caching daemon,
288 will not be built either if this option is set.
290 Set this if you don't want
294 or used in the kernel build.
295 .It Va STATIC_LOCALES
297 Set to a list of locales to build into statically-linked binaries.
298 Currently supported locales are: BIG5 EUC EUCTW ISO2022 MSKanji UTF8
301 The following list provides a name and short description for variables
302 that are only used doing a kernel build:
304 .It Va BOOT_COMCONSOLE_PORT
306 The port address to use for the console if the boot blocks have
307 been configured to use a serial console instead of the keyboard/video card.
308 .It Va BOOT_COMCONSOLE_SPEED
310 The baud rate to use for the console if the boot blocks have
311 been configured to use a serial console instead of the keyboard/video card.
314 Controls the compiler settings when building the
316 Optimization levels above
319 are not guaranteed to work.
322 Controls which kernel configurations will be
324 .Dq Li "${MAKE} buildkernel"
326 .Dq Li "${MAKE} installkernel" .
328 .Bd -literal -offset indent
329 KERNCONF=MINE DEBUG GENERIC OTHERMACHINE
332 will build the kernels specified by the config files
333 .Pa MINE , DEBUG , GENERIC ,
336 and install the kernel specified by the config file
340 .It Va NO_CPU_COPTFLAGS
342 Setting this variable will prevent CPU specific compiler flags
343 from being automatically added to
346 .It Va NO_KERNELCLEAN
348 Set this to skip the clean target when using
349 .Dq Li "${MAKE} buildkernel" .
350 .It Va NO_KERNELCONFIG
352 Set this to skip running
355 .Dq Li "${MAKE} buildkernel" .
356 .It Va NO_KERNELDEPEND
358 Set this to skip running
359 .Dq Li "${MAKE} depend"
361 .Dq Li "${MAKE} buildkernel" .
362 .It Va NO_KERNEL_OLD_STRIP
364 Set this to skip stripping debugging symbols from old kernel and modules
365 (kernel.old, modules.old) during
366 .Dq Li "${MAKE} installkernel" .
369 Set to not build modules with the kernel.
372 The following list provides a name and short description for variables
373 that are used during the world build:
375 .It Va ENABLE_SUID_SSH
379 with the setuid bit turned on.
380 .It Va MODULES_WITH_WORLD
382 Set to build modules with the system instead of the kernel.
383 .It Va NO_ALTBINUTILS
385 Set to not build the alternative (non-default) set of binutils.
388 Set to not build crypto code.
391 Set to not build CVS.
394 Set to not build games.
397 Set to not build the alternative version of GCC (5.0).
406 (reentrant version of
412 and related programs.
415 Set to not build OpenSSH.
418 Set to not build OpenSSL (implies
422 Set to not enter the share subdirectory.
425 Set this to disable cleaning during
426 .Dq Li "make buildworld" .
427 This should not be set unless you know what you are doing.
431 .Dq Li "${MAKE} clean"
433 .Dq Li "${MAKE} cleandir" .
436 Set to not install certain components with flag schg.
437 This is useful in a jailed environment.
440 Set to not make or install
443 .It Va NOINFOCOMPRESS
445 Set to not compress the info pages.
448 Set to not build manual pages
451 Set to not compress the manual pages.
454 Set to avoid compiling profiled libraries.
457 Set to disable the installation of
459 with the set-user-ID bit on.
462 The path to the xauth program used by OpenSSH client.
467 configuration file to use at install time.
468 The value should include the full path to the
471 .Pa /etc/mail/myconfig.mc .
472 Use with caution as a make install will overwrite any existing
473 .Pa /etc/mail/sendmail.cf .
477 .It Va SENDMAIL_SUBMIT_MC
481 configuration file for mail submission
482 to use at install time.
483 The value should include the full path to the
486 .Pa /etc/mail/mysubmit.mc .
487 Use with caution as a make install will overwrite any existing
488 .Pa /etc/mail/submit.cf .
489 .It Va SENDMAIL_ADDITIONAL_MC
493 files which should be built into
496 The value should include the full path to the
500 .Pa /etc/mail/bar.mc .
501 .It Va SENDMAIL_CF_DIR
503 Override the default location for the
505 configuration files used to build a
510 .It Va SENDMAIL_M4_FLAGS
519 .It Va SENDMAIL_CFLAGS
521 Flags to pass to the compile command when building
525 flags can be used to provide SASL support with setting such as:
526 .Bd -literal -offset indent
527 SENDMAIL_CFLAGS=-I/usr/local/include -DSASL
528 SENDMAIL_LDFLAGS=-L/usr/local/lib
529 SENDMAIL_LDADD=-lsasl
531 .It Va SENDMAIL_LDFLAGS
535 command when building
537 .It Va SENDMAIL_LDADD
539 Flags to add to the end of the
541 command when building
543 .It Va SENDMAIL_DPADD
545 Extra dependencies to add when building
547 .It Va SENDMAIL_SET_USER_ID
551 as a set-user-ID root binary instead of a set-group-ID binary
553 .Pa /etc/mail/submit.{cf,mc} .
554 Use of this flag is not recommended and the alternative advice in
556 should be followed instead if at all possible.
557 .It Va SENDMAIL_MAP_PERMS
559 Mode to use when generating alias and map database files using
560 .Pa /etc/mail/Makefile .
561 The default value is 0640.
568 to configure the system's default threading library.
573 Set to build the IDEA encryption code.
574 This code is patented in the USA and many European countries.
576 .Em "YOUR RESPONSIBILITY"
577 to determine if you can legally use IDEA.
578 .It Va WANT_INSTALLER
580 Set to build the installer.
581 .It Va WANT_NETGRAPH7
583 Set to build a newer, experimental
586 It has to be accompanied by
588 options in the kernel.
591 The following list provides a name and short description for variables
592 that are used when building documentation.
596 The list of languages and encodings to build and install.
599 The default format for system documentation, depends on your
603 for simple printers or
605 for postscript or graphics printers with a ghostscript
607 .It Va GROFF_PAPER_SIZE
609 The default paper size for
617 .Bl -tag -width /etc/defaults/make.conf -compact
618 .It Pa /etc/defaults/make.conf
619 .It Pa /etc/make.conf
620 .It Pa /usr/src/Makefile
621 .It Pa /usr/src/Makefile.inc1
632 file appeared sometime before
635 This manual page was written by
636 .An Mike W. Meyer Aq Mt mwm@mired.org .