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33 .Nd system build information
37 contains settings that control the compilation of the
42 is generally created by the system administrator when the values need
43 to be changed from their defaults.
47 is not to run commands or perform compilation actions
49 Instead, it is included by the various makefiles in
51 which conditionalize their internal actions according to the settings
56 file is included from the appropriate
58 which specifies the default settings for all the available options.
59 Options need only be specified in
61 when the system administrator wishes to override these defaults.
63 The build procedures occur in three areas: world, kernel, and
67 may be applicable during builds in one, two, or all of these areas.
68 They may be specified for a particular build via the
73 The following lists provide a name and short description for each
74 variable you can use during the indicated builds.
75 The values of variables flagged as
77 are ignored; the variable being set at all (even to
81 causes it to be treated as if it were set.
83 The following list provides a name and short description for variables
84 that are used for all builds, or are used by the
86 for things other than builds.
90 Controls which processor should be targeted for generated code.
91 This controls processor-specific optimizations in certain code
92 (currently only OpenSSL) as well as modifying the value of
96 to contain the appropriate optimization directive to
98 The automatic setting of
102 may be overridden using the
106 variables, respectively. Refer to
107 .Pa /usr/share/examples/etc/defaults/make.conf
108 for a list of recognized
113 Controls which GCC version to use by default.
116 so as not to interfere with overrides from userland.
117 We currently recommend that an override NOT be set in
119 Currently accepted values are
124 Controls the compiler setting when compiling C code.
125 Optimization levels above
130 is provided as a set of
132 settings suggested by
133 .An "Bruce Evans" Aq bde@FreeBSD.org
134 for developing and testing changes.
135 They can be used, if set, by:
136 .Bd -literal -offset indent
141 Setting this variable will prevent CPU specific compiler flags
142 from being automatically added to
147 Controls the compiler settings when compiling C++ code.
149 is initially set to the value of
151 If you want to add to the
159 the default install command.
160 To have components compared before doing the install, use
161 .Bd -literal -offset indent
166 List any directories that should be entered when running make
171 Controls the shell used internally by
173 to process the command scripts in makefiles.
178 all currently supported.
179 .Bd -literal -offset indent
182 .It Va MODULES_OVERRIDE
184 Set to a list of modules to build instead of all of them.
185 .It Va MTREE_FOLLOWS_SYMLINKS
194 Set this to the flag to pass the
197 If set to a blank value, components will be installed with debugging
204 when WARNS is in effect.
212 Set this to disable name caching in the nsswitch subsystem.
213 The generic caching daemon,
215 will not be built either if this option is set.
216 .It Va STATIC_LOCALES
218 Set to a list of locales to build into statically-linked binaries.
219 Currently supported locales are: BIG5 EUC EUCTW ISO2022 MSKanji UTF8
222 The following list provides a name and short description for variables
223 that are only used doing a kernel build:
225 .It Va BOOT_COMCONSOLE_PORT
227 The port address to use for the console if the boot blocks have
228 been configured to use a serial console instead of the keyboard/video card.
229 .It Va BOOT_COMCONSOLE_SPEED
231 The baud rate to use for the console if the boot blocks have
232 been configured to use a serial console instead of the keyboard/video card.
235 Controls the compiler settings when building the
237 Optimization levels above
240 are not guaranteed to work.
243 Controls which kernel configurations will be
245 .Dq Li "${MAKE} buildkernel"
247 .Dq Li "${MAKE} installkernel" .
249 .Bd -literal -offset indent
250 KERNCONF=MINE DEBUG GENERIC OTHERMACHINE
253 will build the kernels specified by the config files
254 .Pa MINE , DEBUG , GENERIC ,
257 and install the kernel specified by the config file
261 .It Va LOADER_TFTP_SUPPORT
263 While not a buildkernel-affected option, there is no better place for this.
266 loader retrieves the kernel via NFS.
267 Defining this and recompiling
268 .Pa /usr/src/sys/boot
269 will cause it to retrieve the kernel via TFTP.
270 This allows pxeboot to load a custom BOOTP diskless kernel yet
271 still mount the server's
273 rather than load the server's kernel.
274 .It Va NO_CPU_COPTFLAGS
276 Setting this variable will prevent CPU specific compiler flags
277 from being automatically added to
280 .It Va NO_KERNELCLEAN
282 Set this to skip the clean target when using
283 .Dq Li "${MAKE} buildkernel" .
284 .It Va NO_KERNELCONFIG
286 Set this to skip running
289 .Dq Li "${MAKE} buildkernel" .
290 .It Va NO_KERNELDEPEND
292 Set this to skip running
293 .Dq Li "${MAKE} depend"
295 .Dq Li "${MAKE} buildkernel" .
296 .It Va NO_KERNEL_OLD_STRIP
298 Set this to skip stripping debugging symbols from old kernel and modules
299 (kernel.old, modules.old) during
300 .Dq Li "${MAKE} installkernel" .
303 Set to not build modules with the kernel.
306 The following list provides a name and short description for variables
307 that are used during the world build:
309 .It Va ENABLE_SUID_SSH
313 with the setuid bit turned on.
314 .It Va MODULES_WITH_WORLD
316 Set to build modules with the system instead of the kernel.
319 Set to not build BIND.
322 Set to not build crypto code.
325 Set to not build CVS.
328 Set to not build games.
331 Set to not build the newer version of GCC (4.4).
338 Set to not build isdn4bsd package.
341 Set to not build IP Filter package.
346 (reentrant version of
352 and related programs.
353 .It Va NO_MAILWRAPPER
360 Set to not build Objective C support.
363 Set to not build OpenSSH.
366 Set to not build OpenSSL (implies
372 and related programs.
375 Set to not enter the share subdirectory.
378 Set to not compile in X\-Windows support (e.g.\&
382 Set this to disable cleaning during
383 .Dq Li "make buildworld" .
384 This should not be set unless you know what you are doing.
388 .Dq Li "${MAKE} clean"
390 .Dq Li "${MAKE} cleandir" .
393 Set to not install certain components with flag schg.
394 This is useful in a jailed environment.
397 Set to not make or install
400 .It Va NOINFOCOMPRESS
402 Set to not compress the info pages.
405 Set to not build manual pages
408 Set to not compress the manual pages.
411 Set to avoid compiling profiled libraries.
414 Set to disable the installation of
416 with the set-user-ID bit on.
421 configuration file to use at install time.
422 The value should include the full path to the
425 .Pa /etc/mail/myconfig.mc .
426 Use with caution as a make install will overwrite any existing
427 .Pa /etc/mail/sendmail.cf .
431 .It Va SENDMAIL_SUBMIT_MC
435 configuration file for mail submission
436 to use at install time.
437 The value should include the full path to the
440 .Pa /etc/mail/mysubmit.mc .
441 Use with caution as a make install will overwrite any existing
442 .Pa /etc/mail/submit.cf .
443 .It Va SENDMAIL_ADDITIONAL_MC
447 files which should be built into
450 The value should include the full path to the
454 .Pa /etc/mail/bar.mc .
455 .It Va SENDMAIL_CF_DIR
457 Override the default location for the
459 configuration files used to build a
464 .It Va SENDMAIL_M4_FLAGS
473 .It Va SENDMAIL_CFLAGS
475 Flags to pass to the compile command when building
479 flags can be used to provide SASL support with setting such as:
480 .Bd -literal -offset indent
481 SENDMAIL_CFLAGS=-I/usr/local/include -DSASL
482 SENDMAIL_LDFLAGS=-L/usr/local/lib
483 SENDMAIL_LDADD=-lsasl
485 .It Va SENDMAIL_LDFLAGS
489 command when building
491 .It Va SENDMAIL_LDADD
493 Flags to add to the end of the
495 command when building
497 .It Va SENDMAIL_DPADD
499 Extra dependencies to add when building
501 .It Va SENDMAIL_SET_USER_ID
505 as a set-user-ID root binary instead of a set-group-ID binary
507 .Pa /etc/mail/submit.{cf,mc} .
508 Use of this flag is not recommended and the alternative advice in
510 should be followed instead if at all possible.
511 .It Va SENDMAIL_MAP_PERMS
513 Mode to use when generating alias and map database files using
514 .Pa /etc/mail/Makefile .
515 The default value is 0640.
522 to configure the system's default threading library.
525 .It Va TOP_TABLE_SIZE
528 uses a hash table for the user names. The size of this hash can be tuned
529 to match the number of local users. The table size should be a prime number
530 approximately twice as large as the number of lines in
532 The default number is 20011.
535 Set to build the IDEA encryption code.
536 This code is patented in the USA and many European countries.
538 .Em "YOUR RESPONSIBILITY"
539 to determine if you can legally use IDEA.
540 .It Va WANT_INSTALLER
542 Set to build the installer.
545 The following list provides a name and short description for variables
546 that are used when building documentation.
550 The list of languages and encodings to build and install.
553 The default format for system documentation, depends on your
557 for simple printers or
559 for postscript or graphics printers with a ghostscript
561 .It Va GROFF_PAPER_SIZE
563 The default paper size for
571 .Bl -tag -width /etc/defaults/make.conf -compact
572 .It Pa /etc/defaults/make.conf
573 .It Pa /etc/make.conf
574 .It Pa /usr/src/Makefile
575 .It Pa /usr/src/Makefile.inc1
586 file appeared sometime before
589 This manual page was written by
590 .An Mike W. Meyer Aq mwm@mired.org .
592 This manual page may occasionally be out of date with respect to
593 the options currently available for use in
596 .Pa /etc/defaults/make.conf
597 file for the latest options which are available.