1.\" Copyright (c) 2000 2.\" Mike W. Meyer 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD: src/share/man/man5/make.conf.5,v 1.12.2.30 2003/05/18 17:05:55 brueffer Exp $ 26.\" 27.Dd December 15, 2011 28.Dt MAKE.CONF 5 29.Os 30.Sh NAME 31.Nm make.conf 32.Nd system build information 33.Sh DESCRIPTION 34The file 35.Nm 36contains settings that control the compilation of the 37.Dx 38sources. 39The file 40.Nm 41is generally created by the system administrator when the values need 42to be changed from their defaults. 43.Pp 44The purpose of 45.Nm 46is not to run commands or perform compilation actions 47directly. 48Instead, it is included by the various makefiles in 49.Pa /usr/src 50which conditionalize their internal actions according to the settings 51found there. 52.Pp 53The 54.Pa /etc/make.conf 55file is included from the appropriate 56.Pa Makefile 57which specifies the default settings for all the available options. 58Options need only be specified in 59.Pa /etc/make.conf 60when the system administrator wishes to override these defaults. 61.Pp 62The build procedures occur in three areas: world, kernel, and 63documentation. 64Variables set in 65.Nm 66may be applicable during builds in one, two, or all of these areas. 67They may be specified for a particular build via the 68.Fl D 69option of 70.Xr make 1 . 71.Pp 72The following lists provide a name and short description for each 73variable you can use during the indicated builds. 74The values of variables flagged as 75.Vt bool 76are ignored; the variable being set at all (even to 77.Dq Li FALSE 78or 79.Dq Li NO ) 80causes it to be treated as if it were set. 81.Pp 82The following list provides a name and short description for variables 83that are used for all builds, or are used by the 84.Pa makefiles 85for things other than builds. 86.Bl -tag -width Ar 87.It Va CPUTYPE 88.Pq Vt str 89Controls which processor should be targeted for generated code. 90This controls processor-specific optimizations in certain code 91(currently only OpenSSL) as well as modifying the value of 92.Va CFLAGS 93and 94.Va COPTFLAGS 95to contain the appropriate optimization directive to 96.Xr gcc 1 . 97The automatic setting of 98.Va CFLAGS 99and 100.Va COPTFLAGS 101may be overridden using the 102.Va NO_CPU_CFLAGS 103and 104.Va NO_CPU_COPTFLAGS 105variables, respectively. Refer to 106.Pa /usr/share/examples/etc/defaults/make.conf 107for a list of recognized 108.Va CPUTYPE 109options. 110.It Va CCVER 111.Pq Vt str 112Controls which GCC version to use by default. 113It should be set as 114.Li CCVER?= 115so as not to interfere with overrides from userland. 116We currently recommend that an override NOT be set in 117.Pa /etc/make.conf . 118Currently accepted values for compilers which are part of 119.Dx 120are 121.Dq gcc41 122and 123.Dq gcc44 124(default). 125All other values will handled according to the settings in 126.Xr compilers.conf 5 . 127.It Va BINUTILSVER 128.Pq Vt str 129Controls which binutils to use by default. 130Currently accepted values are 131.Dq binutils221 132and 133.Dq binutils222 134(default). 135.It Va CFLAGS 136.Pq Vt str 137Controls the compiler setting when compiling C code. 138Optimization levels above 139.Fl O 140.Pq Fl O2 , No ... 141are not supported. 142.Va BDECFLAGS 143is provided as a set of 144.Xr gcc 1 145settings suggested by 146.An "Bruce Evans" Aq bde@FreeBSD.org 147for developing and testing changes. 148They can be used, if set, by: 149.Bd -literal -offset indent 150CFLAGS+=${BDECFLAGS} 151.Ed 152.It Va DEBUG_FLAGS 153.Pq Vt str 154Similar to 155.Va CFLAGS 156but it will cause 157.Va STRIP 158to be set to a blank value, if set. 159Typically, 160.Va DEBUG_FLAGS 161is set to 162.Fl g 163for compiling with debug symbols. 164.It Va NO_CPU_CFLAGS 165.Pq Vt str 166Setting this variable will prevent CPU specific compiler flags 167from being automatically added to 168.Va CFLAGS 169during compile time. 170.It Va CXXFLAGS 171.Pq Vt str 172Controls the compiler settings when compiling C++ code. 173.Va CXXFLAGS 174is initially set to the value of 175.Va CFLAGS . 176If you want to add to the 177.Va CXXFLAGS 178value, use 179.Dq Li += 180instead of 181.Dq Li = . 182.It Va INSTALL 183.Pq Vt str 184the default install command. 185To have components compared before doing the install, use 186.Bd -literal -offset indent 187INSTALL="install -C" 188.Ed 189.It Va LOCAL_DIRS 190.Pq Vt str 191List any directories that should be entered when running make 192.Pa /usr/src 193in this variable. 194.It Va MAKE_SHELL 195.Pq Vt str 196Controls the shell used internally by 197.Xr make 1 198to process the command scripts in makefiles. 199.Xr sh 1 , 200.Xr ksh 1 , 201and 202.Xr csh 1 203all currently supported. 204.Bd -literal -offset indent 205MAKE_SHELL?=sh 206.Ed 207.It Va MODULES_OVERRIDE 208.Pq Vt str 209Set to a list of modules to build instead of all of them. 210.It Va MTREE_FOLLOWS_SYMLINKS 211.Pq Vt str 212Set this to 213.Dq Fl L 214to cause 215.Xr mtree 8 216to follow symlinks. 217.It Va STRIP 218.Pq Vt str 219Set this to the flag to pass to the 220.Xr strip 1 221command. 222If set to a blank value, debug symbols will not be removed. 223.Va STRIP 224is automatically set to a blank value if 225.Va DEBUG_FLAGS 226is set. 227.It Va WANT_HESIOD 228.Pq Vt bool 229Set this to build 230.Xr hesiod 3 231support into libc. 232.It Va NO_NS_CACHING 233.Pq Vt bool 234Set this to disable name caching in the nsswitch subsystem. 235The generic caching daemon, 236.Xr nscd 8 , 237will not be built either if this option is set. 238.It Va NO_WERROR 239Set this if you don't want 240.Fl Werror 241to be added to 242.Va CWARNFLAGS 243or used in the kernel build. 244.It Va STATIC_LOCALES 245.Pq Vt str 246Set to a list of locales to build into statically-linked binaries. 247Currently supported locales are: BIG5 EUC EUCTW ISO2022 MSKanji UTF8 248.El 249.Pp 250The following list provides a name and short description for variables 251that are only used doing a kernel build: 252.Bl -tag -width Ar 253.It Va BOOT_COMCONSOLE_PORT 254.Pq Vt str 255The port address to use for the console if the boot blocks have 256been configured to use a serial console instead of the keyboard/video card. 257.It Va BOOT_COMCONSOLE_SPEED 258.Pq Vt int 259The baud rate to use for the console if the boot blocks have 260been configured to use a serial console instead of the keyboard/video card. 261.It Va COPTFLAGS 262.Pq Vt str 263Controls the compiler settings when building the 264kernel. 265Optimization levels above 266.Fl O 267.Pq Fl O2 , No ... 268are not guaranteed to work. 269.It Va KERNCONF 270.Pq Vt str 271Controls which kernel configurations will be 272built by 273.Dq Li "${MAKE} buildkernel" 274and installed by 275.Dq Li "${MAKE} installkernel" . 276For example, 277.Bd -literal -offset indent 278KERNCONF=MINE DEBUG GENERIC OTHERMACHINE 279.Ed 280.Pp 281will build the kernels specified by the config files 282.Pa MINE , DEBUG , GENERIC , 283and 284.Pa OTHERMACHINE , 285and install the kernel specified by the config file 286.Pa MINE . 287It defaults to 288.Pa GENERIC . 289.It Va NO_CPU_COPTFLAGS 290.Pq Vt str 291Setting this variable will prevent CPU specific compiler flags 292from being automatically added to 293.Va COPTFLAGS 294during compile time. 295.It Va NO_KERNELCLEAN 296.Pq Vt bool 297Set this to skip the clean target when using 298.Dq Li "${MAKE} buildkernel" . 299.It Va NO_KERNELCONFIG 300.Pq Vt bool 301Set this to skip running 302.Xr config 8 303during 304.Dq Li "${MAKE} buildkernel" . 305.It Va NO_KERNELDEPEND 306.Pq Vt bool 307Set this to skip running 308.Dq Li "${MAKE} depend" 309during 310.Dq Li "${MAKE} buildkernel" . 311.It Va NO_KERNEL_OLD_STRIP 312.Pq Vt bool 313Set this to skip stripping debugging symbols from old kernel and modules 314(kernel.old, modules.old) during 315.Dq Li "${MAKE} installkernel" . 316.It Va NO_MODULES 317.Pq Vt bool 318Set to not build modules with the kernel. 319.El 320.Pp 321The following list provides a name and short description for variables 322that are used during the world build: 323.Bl -tag -width Ar 324.It Va ENABLE_SUID_SSH 325.Pq Vt bool 326Set this to install 327.Xr ssh 1 328with the setuid bit turned on. 329.It Va MODULES_WITH_WORLD 330.Pq Vt bool 331Set to build modules with the system instead of the kernel. 332.It Va NO_BINUTILS221 333.Pq Vt bool 334Set to not build the older version of binutils (2.21). 335.It Va NO_CRYPT 336.Pq Vt bool 337Set to not build crypto code. 338.It Va NO_CVS 339.Pq Vt bool 340Set to not build CVS. 341.It Va NO_GAMES 342.Pq Vt bool 343Set to not build games. 344.It Va NO_GCC41 345.Pq Vt bool 346Set to not build the older version of GCC (4.1). 347.It Va NO_GDB 348.Pq Vt bool 349Set to not build 350.Xr gdb 1 351.It Va NO_LIBC_R 352.Pq Vt bool 353Set to not build 354.Nm libc_r 355(reentrant version of 356.Nm libc ) . 357.It Va NO_LPR 358.Pq Vt bool 359Set to not build 360.Xr lpr 1 361and related programs. 362.It Va NO_MAILWRAPPER 363.Pq Vt bool 364Set to not build the 365.Xr mailwrapper 8 366MTA selector. 367.It Va NO_OBJC 368.Pq Vt bool 369Set to not build Objective C support. 370.It Va NO_OPENSSH 371.Pq Vt bool 372Set to not build OpenSSH. 373.It Va NO_OPENSSL 374.Pq Vt bool 375Set to not build OpenSSL (implies 376.Va NO_OPENSSH ) . 377.It Va NO_SENDMAIL 378.Pq Vt bool 379Set to not build 380.Xr sendmail 8 381and related programs. 382.It Va NO_SHARE 383.Pq Vt bool 384Set to not enter the share subdirectory. 385.It Va NOCLEAN 386.Pq Vt bool 387Set this to disable cleaning during 388.Dq Li "make buildworld" . 389This should not be set unless you know what you are doing. 390.It Va NOCLEANDIR 391.Pq Vt bool 392Set this to run 393.Dq Li "${MAKE} clean" 394instead of 395.Dq Li "${MAKE} cleandir" . 396.It Va NOFSCHG 397.Pq Vt bool 398Set to not install certain components with flag schg. 399This is useful in a jailed environment. 400.It Va NOINFO 401.Pq Vt bool 402Set to not make or install 403.Xr info 5 404files. 405.It Va NOINFOCOMPRESS 406.Pq Vt bool 407Set to not compress the info pages. 408.It Va NOMAN 409.Pq Vt bool 410Set to not build manual pages 411.It Va NOMANCOMPRESS 412.Pq Vt bool 413Set to not compress the manual pages. 414.It Va NOPROFILE 415.Pq Vt bool 416Set to avoid compiling profiled libraries. 417.It Va PPP_NOSUID 418.Pq Vt bool 419Set to disable the installation of 420.Xr ppp 8 421with the set-user-ID bit on. 422.It Va SENDMAIL_MC 423.Pq Vt str 424The default 425.Xr m4 1 426configuration file to use at install time. 427The value should include the full path to the 428.Pa .mc 429file, e.g., 430.Pa /etc/mail/myconfig.mc . 431Use with caution as a make install will overwrite any existing 432.Pa /etc/mail/sendmail.cf . 433Note that 434.Va SENDMAIL_CF 435is now deprecated. 436.It Va SENDMAIL_SUBMIT_MC 437.Pq Vt str 438The default 439.Xr m4 1 440configuration file for mail submission 441to use at install time. 442The value should include the full path to the 443.Pa .mc 444file, e.g., 445.Pa /etc/mail/mysubmit.mc . 446Use with caution as a make install will overwrite any existing 447.Pa /etc/mail/submit.cf . 448.It Va SENDMAIL_ADDITIONAL_MC 449.Pq Vt str 450Additional 451.Pa .mc 452files which should be built into 453.Pa .cf 454files at build time. 455The value should include the full path to the 456.Pa .mc 457file(s), e.g., 458.Pa /etc/mail/foo.mc 459.Pa /etc/mail/bar.mc . 460.It Va SENDMAIL_CF_DIR 461.Pq Vt str 462Override the default location for the 463.Xr m4 1 464configuration files used to build a 465.Pa .cf 466file from a 467.Pa .mc 468file. 469.It Va SENDMAIL_M4_FLAGS 470.Pq Vt str 471Flags passed to 472.Xr m4 1 473when building a 474.Pa .cf 475file from a 476.Pa .mc 477file. 478.It Va SENDMAIL_CFLAGS 479.Pq Vt str 480Flags to pass to the compile command when building 481.Xr sendmail 8 . 482The 483.Va SENDMAIL_* 484flags can be used to provide SASL support with setting such as: 485.Bd -literal -offset indent 486SENDMAIL_CFLAGS=-I/usr/local/include -DSASL 487SENDMAIL_LDFLAGS=-L/usr/local/lib 488SENDMAIL_LDADD=-lsasl 489.Ed 490.It Va SENDMAIL_LDFLAGS 491.Pq Vt str 492Flags to pass to the 493.Xr ld 1 494command when building 495.Xr sendmail 8 . 496.It Va SENDMAIL_LDADD 497.Pq Vt str 498Flags to add to the end of the 499.Xr ld 1 500command when building 501.Xr sendmail 8 . 502.It Va SENDMAIL_DPADD 503.Pq Vt str 504Extra dependencies to add when building 505.Xr sendmail 8 . 506.It Va SENDMAIL_SET_USER_ID 507.Pq Vt bool 508If set, install 509.Xr sendmail 8 510as a set-user-ID root binary instead of a set-group-ID binary 511and do not install 512.Pa /etc/mail/submit.{cf,mc} . 513Use of this flag is not recommended and the alternative advice in 514.Pa /etc/mail/README 515should be followed instead if at all possible. 516.It Va SENDMAIL_MAP_PERMS 517.Pq Vt str 518Mode to use when generating alias and map database files using 519.Pa /etc/mail/Makefile . 520The default value is 0640. 521.It Va THREAD_LIB 522.Pq Vt str 523Set to either 524.Li c_r 525or 526.Li thread_xu 527to configure the system's default threading library. 528The default is 529.Li thread_xu . 530.It Va WANT_IDEA 531.Pq Vt bool 532Set to build the IDEA encryption code. 533This code is patented in the USA and many European countries. 534It is 535.Em "YOUR RESPONSIBILITY" 536to determine if you can legally use IDEA. 537.It Va WANT_INSTALLER 538.Pq Vt bool 539Set to build the installer. 540.El 541.Pp 542The following list provides a name and short description for variables 543that are used when building documentation. 544.Bl -tag -width Ar 545.It Va DOC_LANG 546.Pq Vt str 547The list of languages and encodings to build and install. 548.It Va PRINTERDEVICE 549.Pq Vt str 550The default format for system documentation, depends on your 551printer. 552This can be set to 553.Dq Li ascii 554for simple printers or 555.Dq Li ps 556for postscript or graphics printers with a ghostscript 557filter. 558.It Va GROFF_PAPER_SIZE 559.Pq Vt str 560The default paper size for 561.Xr groff 1 562(either 563.Dq letter 564or 565.Dq A4 ) . 566.El 567.Sh FILES 568.Bl -tag -width /etc/defaults/make.conf -compact 569.It Pa /etc/defaults/make.conf 570.It Pa /etc/make.conf 571.It Pa /usr/src/Makefile 572.It Pa /usr/src/Makefile.inc1 573.El 574.Sh SEE ALSO 575.Xr gcc 1 , 576.Xr install 1 , 577.Xr make 1 , 578.Xr lpd 8 , 579.Xr sendmail 8 580.Sh HISTORY 581The 582.Nm 583file appeared sometime before 584.Fx 4.0 . 585.Sh AUTHORS 586This manual page was written by 587.An Mike W. Meyer Aq mwm@mired.org . 588