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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_backup .
223 List any directories that should be entered when running make
228 Controls the shell used internally by
230 to process the command scripts in makefiles.
235 all currently supported.
236 .Bd -literal -offset indent
239 .It Va MODULES_OVERRIDE
241 Set to a list of modules to build instead of all of them.
242 .It Va MTREE_FOLLOWS_SYMLINKS
251 Set this to the flag to pass to the
254 If set to a blank value, debug symbols will not be removed.
256 is automatically set to a blank value if
266 Set this to disable name caching in the nsswitch subsystem.
267 The generic caching daemon,
269 will not be built either if this option is set.
271 Set this if you don't want
275 or used in the kernel build.
276 .It Va STATIC_LOCALES
278 Set to a list of locales to build into statically-linked binaries.
279 Currently supported locales are: BIG5 EUC EUCTW ISO2022 MSKanji UTF8
282 The following list provides a name and short description for variables
283 that are only used doing a kernel build:
285 .It Va BOOT_COMCONSOLE_PORT
287 The port address to use for the console if the boot blocks have
288 been configured to use a serial console instead of the keyboard/video card.
289 .It Va BOOT_COMCONSOLE_SPEED
291 The baud rate to use for the console if the boot blocks have
292 been configured to use a serial console instead of the keyboard/video card.
295 Controls the compiler settings when building the
297 Optimization levels above
300 are not guaranteed to work.
303 Controls which kernel configurations will be
305 .Dq Li "${MAKE} buildkernel"
307 .Dq Li "${MAKE} installkernel" .
309 .Bd -literal -offset indent
310 KERNCONF=MINE DEBUG GENERIC OTHERMACHINE
313 will build the kernels specified by the config files
314 .Pa MINE , DEBUG , GENERIC ,
317 and install the kernel specified by the config file
321 .It Va NO_CPU_COPTFLAGS
323 Setting this variable will prevent CPU specific compiler flags
324 from being automatically added to
327 .It Va NO_KERNELCLEAN
329 Set this to skip the clean target when using
330 .Dq Li "${MAKE} buildkernel" .
331 .It Va NO_KERNELCONFIG
333 Set this to skip running
336 .Dq Li "${MAKE} buildkernel" .
337 .It Va NO_KERNELDEPEND
339 Set this to skip running
340 .Dq Li "${MAKE} depend"
342 .Dq Li "${MAKE} buildkernel" .
343 .It Va NO_KERNEL_OLD_STRIP
345 Set this to skip stripping debugging symbols from old kernel and modules
346 (kernel.old, modules.old) during
347 .Dq Li "${MAKE} installkernel" .
350 Set to not build modules with the kernel.
353 The following list provides a name and short description for variables
354 that are used during the world build:
356 .It Va ENABLE_SUID_SSH
360 with the setuid bit turned on.
361 .It Va MODULES_WITH_WORLD
363 Set to build modules with the system instead of the kernel.
364 .It Va NO_BINUTILS221
366 Set to not build the older version of binutils (2.21).
369 Set to not build crypto code.
372 Set to not build CVS.
375 Set to not build games.
378 Set to not build the older version of GCC (4.4).
387 (reentrant version of
393 and related programs.
394 .It Va NO_MAILWRAPPER
401 Set to not build Objective C support.
404 Set to not build OpenSSH.
407 Set to not build OpenSSL (implies
413 and related programs.
416 Set to not enter the share subdirectory.
419 Set this to disable cleaning during
420 .Dq Li "make buildworld" .
421 This should not be set unless you know what you are doing.
425 .Dq Li "${MAKE} clean"
427 .Dq Li "${MAKE} cleandir" .
430 Set to not install certain components with flag schg.
431 This is useful in a jailed environment.
434 Set to not make or install
437 .It Va NOINFOCOMPRESS
439 Set to not compress the info pages.
442 Set to not build manual pages
445 Set to not compress the manual pages.
448 Set to avoid compiling profiled libraries.
451 Set to disable the installation of
453 with the set-user-ID bit on.
458 configuration file to use at install time.
459 The value should include the full path to the
462 .Pa /etc/mail/myconfig.mc .
463 Use with caution as a make install will overwrite any existing
464 .Pa /etc/mail/sendmail.cf .
468 .It Va SENDMAIL_SUBMIT_MC
472 configuration file for mail submission
473 to use at install time.
474 The value should include the full path to the
477 .Pa /etc/mail/mysubmit.mc .
478 Use with caution as a make install will overwrite any existing
479 .Pa /etc/mail/submit.cf .
480 .It Va SENDMAIL_ADDITIONAL_MC
484 files which should be built into
487 The value should include the full path to the
491 .Pa /etc/mail/bar.mc .
492 .It Va SENDMAIL_CF_DIR
494 Override the default location for the
496 configuration files used to build a
501 .It Va SENDMAIL_M4_FLAGS
510 .It Va SENDMAIL_CFLAGS
512 Flags to pass to the compile command when building
516 flags can be used to provide SASL support with setting such as:
517 .Bd -literal -offset indent
518 SENDMAIL_CFLAGS=-I/usr/local/include -DSASL
519 SENDMAIL_LDFLAGS=-L/usr/local/lib
520 SENDMAIL_LDADD=-lsasl
522 .It Va SENDMAIL_LDFLAGS
526 command when building
528 .It Va SENDMAIL_LDADD
530 Flags to add to the end of the
532 command when building
534 .It Va SENDMAIL_DPADD
536 Extra dependencies to add when building
538 .It Va SENDMAIL_SET_USER_ID
542 as a set-user-ID root binary instead of a set-group-ID binary
544 .Pa /etc/mail/submit.{cf,mc} .
545 Use of this flag is not recommended and the alternative advice in
547 should be followed instead if at all possible.
548 .It Va SENDMAIL_MAP_PERMS
550 Mode to use when generating alias and map database files using
551 .Pa /etc/mail/Makefile .
552 The default value is 0640.
559 to configure the system's default threading library.
564 Set to build the IDEA encryption code.
565 This code is patented in the USA and many European countries.
567 .Em "YOUR RESPONSIBILITY"
568 to determine if you can legally use IDEA.
569 .It Va WANT_INSTALLER
571 Set to build the installer.
572 .It Va WANT_NETGRAPH7
574 Set to build a newer, experimental
577 It has to be accompanied by
579 options in the kernel.
582 Set to build a newer, experimental
587 The following list provides a name and short description for variables
588 that are used when building documentation.
592 The list of languages and encodings to build and install.
595 The default format for system documentation, depends on your
599 for simple printers or
601 for postscript or graphics printers with a ghostscript
603 .It Va GROFF_PAPER_SIZE
605 The default paper size for
613 .Bl -tag -width /etc/defaults/make.conf -compact
614 .It Pa /etc/defaults/make.conf
615 .It Pa /etc/make.conf
616 .It Pa /usr/src/Makefile
617 .It Pa /usr/src/Makefile.inc1
628 file appeared sometime before
631 This manual page was written by
632 .An Mike W. Meyer Aq mwm@mired.org .