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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 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 defines where system binaries will be backed up for the
219 target. The default value is
220 .Dq /var/backups/world_binaries .
223 If the last world backup is older than the number of days
225 .Dq make installworld
226 will fail with an appropriate message.
228 is the default value.
231 Set this to skip the existence and currency checks for world
235 List any directories that should be entered when running make
240 Controls the shell used internally by
242 to process the command scripts in makefiles.
247 all currently supported.
248 .Bd -literal -offset indent
251 .It Va MODULES_OVERRIDE
253 Set to a list of modules to build instead of all of them.
254 .It Va MTREE_FOLLOWS_SYMLINKS
263 Set this to the flag to pass to the
266 If set to a blank value, debug symbols will not be removed.
268 is automatically set to a blank value if
278 Set this to disable name caching in the nsswitch subsystem.
279 The generic caching daemon,
281 will not be built either if this option is set.
283 Set this if you don't want
287 or used in the kernel build.
288 .It Va STATIC_LOCALES
290 Set to a list of locales to build into statically-linked binaries.
291 Currently supported locales are: BIG5 EUC EUCTW ISO2022 MSKanji UTF8
294 The following list provides a name and short description for variables
295 that are only used doing a kernel build:
297 .It Va BOOT_COMCONSOLE_PORT
299 The port address to use for the console if the boot blocks have
300 been configured to use a serial console instead of the keyboard/video card.
301 .It Va BOOT_COMCONSOLE_SPEED
303 The baud rate to use for the console if the boot blocks have
304 been configured to use a serial console instead of the keyboard/video card.
307 Controls the compiler settings when building the
309 Optimization levels above
312 are not guaranteed to work.
315 Controls which kernel configurations will be
317 .Dq Li "${MAKE} buildkernel"
319 .Dq Li "${MAKE} installkernel" .
321 .Bd -literal -offset indent
322 KERNCONF=MINE DEBUG GENERIC OTHERMACHINE
325 will build the kernels specified by the config files
326 .Pa MINE , DEBUG , GENERIC ,
329 and install the kernel specified by the config file
333 .It Va NO_CPU_COPTFLAGS
335 Setting this variable will prevent CPU specific compiler flags
336 from being automatically added to
339 .It Va NO_KERNELCLEAN
341 Set this to skip the clean target when using
342 .Dq Li "${MAKE} buildkernel" .
343 .It Va NO_KERNELCONFIG
345 Set this to skip running
348 .Dq Li "${MAKE} buildkernel" .
349 .It Va NO_KERNELDEPEND
351 Set this to skip running
352 .Dq Li "${MAKE} depend"
354 .Dq Li "${MAKE} buildkernel" .
355 .It Va NO_KERNEL_OLD_STRIP
357 Set this to skip stripping debugging symbols from old kernel and modules
358 (kernel.old, modules.old) during
359 .Dq Li "${MAKE} installkernel" .
362 Set to not build modules with the kernel.
365 The following list provides a name and short description for variables
366 that are used during the world build:
368 .It Va ENABLE_SUID_SSH
372 with the setuid bit turned on.
373 .It Va MODULES_WITH_WORLD
375 Set to build modules with the system instead of the kernel.
376 .It Va NO_BINUTILS221
378 Set to not build the older version of binutils (2.21).
381 Set to not build crypto code.
384 Set to not build CVS.
387 Set to not build games.
390 Set to not build the older version of GCC (4.4).
399 (reentrant version of
405 and related programs.
406 .It Va NO_MAILWRAPPER
413 Set to not build Objective C support.
416 Set to not build OpenSSH.
419 Set to not build OpenSSL (implies
425 and related programs.
428 Set to not enter the share subdirectory.
431 Set this to disable cleaning during
432 .Dq Li "make buildworld" .
433 This should not be set unless you know what you are doing.
437 .Dq Li "${MAKE} clean"
439 .Dq Li "${MAKE} cleandir" .
442 Set to not install certain components with flag schg.
443 This is useful in a jailed environment.
446 Set to not make or install
449 .It Va NOINFOCOMPRESS
451 Set to not compress the info pages.
454 Set to not build manual pages
457 Set to not compress the manual pages.
460 Set to avoid compiling profiled libraries.
463 Set to disable the installation of
465 with the set-user-ID bit on.
470 configuration file to use at install time.
471 The value should include the full path to the
474 .Pa /etc/mail/myconfig.mc .
475 Use with caution as a make install will overwrite any existing
476 .Pa /etc/mail/sendmail.cf .
480 .It Va SENDMAIL_SUBMIT_MC
484 configuration file for mail submission
485 to use at install time.
486 The value should include the full path to the
489 .Pa /etc/mail/mysubmit.mc .
490 Use with caution as a make install will overwrite any existing
491 .Pa /etc/mail/submit.cf .
492 .It Va SENDMAIL_ADDITIONAL_MC
496 files which should be built into
499 The value should include the full path to the
503 .Pa /etc/mail/bar.mc .
504 .It Va SENDMAIL_CF_DIR
506 Override the default location for the
508 configuration files used to build a
513 .It Va SENDMAIL_M4_FLAGS
522 .It Va SENDMAIL_CFLAGS
524 Flags to pass to the compile command when building
528 flags can be used to provide SASL support with setting such as:
529 .Bd -literal -offset indent
530 SENDMAIL_CFLAGS=-I/usr/local/include -DSASL
531 SENDMAIL_LDFLAGS=-L/usr/local/lib
532 SENDMAIL_LDADD=-lsasl
534 .It Va SENDMAIL_LDFLAGS
538 command when building
540 .It Va SENDMAIL_LDADD
542 Flags to add to the end of the
544 command when building
546 .It Va SENDMAIL_DPADD
548 Extra dependencies to add when building
550 .It Va SENDMAIL_SET_USER_ID
554 as a set-user-ID root binary instead of a set-group-ID binary
556 .Pa /etc/mail/submit.{cf,mc} .
557 Use of this flag is not recommended and the alternative advice in
559 should be followed instead if at all possible.
560 .It Va SENDMAIL_MAP_PERMS
562 Mode to use when generating alias and map database files using
563 .Pa /etc/mail/Makefile .
564 The default value is 0640.
571 to configure the system's default threading library.
576 Set to build the IDEA encryption code.
577 This code is patented in the USA and many European countries.
579 .Em "YOUR RESPONSIBILITY"
580 to determine if you can legally use IDEA.
581 .It Va WANT_INSTALLER
583 Set to build the installer.
584 .It Va WANT_NETGRAPH7
586 Set to build a newer, experimental
589 It has to be accompanied by
591 options in the kernel.
594 Set to build a newer, experimental
599 The following list provides a name and short description for variables
600 that are used when building documentation.
604 The list of languages and encodings to build and install.
607 The default format for system documentation, depends on your
611 for simple printers or
613 for postscript or graphics printers with a ghostscript
615 .It Va GROFF_PAPER_SIZE
617 The default paper size for
625 .Bl -tag -width /etc/defaults/make.conf -compact
626 .It Pa /etc/defaults/make.conf
627 .It Pa /etc/make.conf
628 .It Pa /usr/src/Makefile
629 .It Pa /usr/src/Makefile.inc1
640 file appeared sometime before
643 This manual page was written by
644 .An Mike W. Meyer Aq mwm@mired.org .