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.\" $DragonFly: src/share/man/man5/make.conf.5,v 1.19 2007/01/15 18:29:44 corecode Exp $ 27.\" 28.Dd September 10, 2006 29.Dt MAKE.CONF 5 30.Os 31.Sh NAME 32.Nm make.conf 33.Nd system build information 34.Sh DESCRIPTION 35The file 36.Nm 37contains settings that control the compilation of the 38.Dx 39sources. 40The file 41.Nm 42is generally created by the system administrator when the values need 43to be changed from their defaults. 44.Pp 45The purpose of 46.Nm 47is not to run commands or perform compilation actions 48directly. 49Instead, it is included by the various makefiles in 50.Pa /usr/src 51which conditionalize their internal actions according to the settings 52found there. 53.Pp 54The 55.Pa /etc/make.conf 56file is included from the appropriate 57.Pa Makefile 58which specifies the default settings for all the available options. 59Options need only be specified in 60.Pa /etc/make.conf 61when the system administrator wishes to override these defaults. 62.Pp 63The build procedures occur in three areas: world, kernel, and 64documentation. 65Variables set in 66.Nm 67may be applicable during builds in one, two, or all of these areas. 68They may be specified for a particular build via the 69.Fl D 70option of 71.Xr make 1 . 72.Pp 73The following lists provide a name and short description for each 74variable you can use during the indicated builds. 75The values of variables flagged as 76.Vt bool 77are ignored; the variable being set at all (even to 78.Dq Li FALSE 79or 80.Dq Li NO ) 81causes it to be treated as if it were set. 82.Pp 83The following list provides a name and short description for variables 84that are used for all builds, or are used by the 85.Pa makefiles 86for things other than builds. 87.Bl -tag -width Ar 88.It Va CPUTYPE 89.Pq Vt str 90Controls which processor should be targeted for generated code. 91This controls processor-specific optimizations in certain code 92(currently only OpenSSL) as well as modifying the value of 93.Va CFLAGS 94and 95.Va COPTFLAGS 96to contain the appropriate optimization directive to 97.Xr gcc 1 . 98The automatic setting of 99.Va CFLAGS 100and 101.Va COPTFLAGS 102may be overridden using the 103.Va NO_CPU_CFLAGS 104and 105.Va NO_CPU_COPTFLAGS 106variables, respectively. Refer to 107.Pa /usr/share/examples/etc/defaults/make.conf 108for a list of recognized 109.Va CPUTYPE 110options. 111.It Va CCVER 112.Pq Vt str 113Controls which GCC version to use by default. It should be set as 114CCVER?= so as not to interfere with overrides from userland. We 115currently recommend that an override NOT be set in 116.Pa /etc/make.conf . 117Currently accepted values are cc34 and cc41 (experimental). 118.It Va CFLAGS 119.Pq Vt str 120Controls the compiler setting when compiling C code. 121Optimization levels above 122.Fl O 123.Pq Fl O2 , No ... 124are not supported. 125.Va BDECFLAGS 126is provided as a set of 127.Xr gcc 1 128settings suggested by 129.An "Bruce Evans" Aq bde@FreeBSD.org 130for developing and testing changes. 131They can be used, if set, by: 132.Pp 133.Bd -literal -offset indent 134CFLAGS+=${BDECFLAGS} 135.Ed 136.It Va NO_CPU_CFLAGS 137.Pq Vt str 138Setting this variable will prevent CPU specific compiler flags 139from being automatically added to 140.Va CFLAGS 141during compile time. 142.It Va CXXFLAGS 143.Pq Vt str 144Controls the compiler settings when compiling C++ code. 145.Va CXXFLAGS 146is initially set to the value of 147.Va CFLAGS . 148If you want to add to the 149.Va CXXFLAGS 150value, use 151.Dq Li += 152instead of 153.Dq Li = . 154.It Va INSTALL 155.Pq Vt str 156the default install command. 157To have components compared before doing the install, use 158.Bd -literal -offset indent 159INSTALL="install -C" 160.Ed 161.It Va LOCAL_DIRS 162.Pq Vt str 163List any directories that should be entered when running make 164.Pa /usr/src 165in this variable. 166.It Va MAKE_SHELL 167.Pq Vt str 168Controls the shell used internally by 169.Xr make 1 170to process the command scripts in makefiles. 171.Xr sh 1 , 172.Xr ksh 1 , 173and 174.Xr csh 1 175all currently supported. 176.Bd -literal -offset indent 177MAKE_SHELL?=sh 178.Ed 179.It Va MODULES_OVERRIDE 180.Pq Vt str 181Set to a list of modules to build instead of all of them. 182.It Va MTREE_FOLLOWS_SYMLINKS 183.Pq Vt str 184Set this to 185.Dq Fl L 186to cause 187.Xr mtree 8 188to follow symlinks. 189.It Va NO_DOCUPDATE 190.Pq Vt bool 191Set this to not update the doc tree during 192.Dq Li "make update" . 193.It Va STRIP 194.Pq Vt str 195Set this to the flag to pass the 196.Xr strip 1 197command. 198If set to a blank value, components will be installed with debugging 199symbols. 200.It Va SUP_UPDATE 201.Pq Vt bool 202Set this to use 203.Xr cvsup 1 204to update your ports with 205.Dq Li "make update" . 206.It Va SUP 207.Pq Vt str 208The location of the 209.Xr cvsup 1 210command for 211.Dq Li "make update" . 212.It Va SUPFLAGS 213.Pq Vt str 214The flag for the 215.Xr sup 1 216command when doing 217.Dq Li "make update" . 218This defaults to 219.Op Fl g L Ar 2 . 220.It Va SUPHOST 221.Pq Vt str 222The hostname of the sup server to use when doing 223.Dq Li "make update" . 224.It Va SUPFILE 225.Pq Vt str 226The first 227.Ar supfile 228to use when doing a 229.Dq Li "make update" . 230This defaults to 231.Pa /usr/share/examples/cvsup/standard\-supfile . 232.It Va SUPFILE1 233.Pq Vt str 234The second 235.Ar supfile 236to use when doing a 237.Dq Li "make update" . 238This defaults to 239.Pa /usr/share/examples/cvsup/secure\-supfile . 240.It Va SUPFILE2 241.Pq Vt str 242The third 243.Ar supfile 244to use when doing a 245.Dq Li "make update" . 246This defaults to 247.Pa /usr/share/examples/cvsup/secure\-supfile . 248.It Va DOCSUPFILE 249.Pq Vt str 250The documentation 251.Ar supfile 252to use when doing a 253.Dq Li "make update" . 254This defaults to 255.Pa /usr/share/examples/cvsup/doc\-supfile . 256.It Va WARNS_WERROR 257Causes 258.Fl Werror 259to be added to 260.Va CFLAGS 261when WARNS is in effect. 262.El 263.Pp 264The following list provides a name and short description for variables 265that are only used doing a kernel build: 266.Bl -tag -width Ar 267.It Va BOOT_COMCONSOLE_PORT 268.Pq Vt str 269The port address to use for the console if the boot blocks have 270been configured to use a serial console instead of the keyboard/video card. 271.It Va BOOT_COMCONSOLE_SPEED 272.Pq Vt int 273The baud rate to use for the console if the boot blocks have 274been configured to use a serial console instead of the keyboard/video card. 275.It Va COPTFLAGS 276.Pq Vt str 277Controls the compiler settings when building the 278kernel. 279Optimization levels above 280.Oo Fl O ( O2 , No ...\& ) Oc 281are not guaranteed to work. 282.It Va KERNCONF 283.Pq Vt str 284Controls which kernel configurations will be 285built by 286.Dq Li "${MAKE} buildkernel" 287and installed by 288.Dq Li "${MAKE} installkernel" . 289For example, 290.Bd -literal -offset indent 291KERNCONF=MINE DEBUG GENERIC OTHERMACHINE 292.Ed 293.Pp 294will build the kernels specified by the config files 295.Pa MINE , DEBUG , GENERIC , 296and 297.Pa OTHERMACHINE , 298and install the kernel specified by the config file 299.Pa MINE . 300It defaults to 301.Pa GENERIC . 302.It Va LOADER_TFTP_SUPPORT 303.Pq Vt bool 304While not a buildkernel-affected option, there is no better place for this. 305By default the 306.Xr pxeboot 8 307loader retrieves the kernel via NFS. 308Defining this and recompiling 309.Pa /usr/src/sys/boot 310will cause it to retrieve the kernel via TFTP. 311This allows pxeboot to load a custom BOOTP diskless kernel yet 312still mount the server's 313.Pa / 314rather than load the server's kernel. 315.It Va NO_CPU_COPTFLAGS 316.Pq Vt str 317Setting this variable will prevent CPU specific compiler flags 318from being automatically added to 319.Va COPTFLAGS 320during compile time. 321.It Va NO_KERNELCLEAN 322.Pq Vt bool 323Set this to skip the clean target when using 324.Dq Li "${MAKE} buildkernel" . 325.It Va NO_KERNELCONFIG 326.Pq Vt bool 327Set this to skip running 328.Xr config 8 329during 330.Dq Li "${MAKE} buildkernel" . 331.It Va NO_KERNELDEPEND 332.Pq Vt bool 333Set this to skip running 334.Dq Li "${MAKE} depend" 335during 336.Dq Li "${MAKE} buildkernel" . 337.It Va NO_MODULES 338.Pq Vt bool 339Set to not build modules with the kernel. 340.El 341.Pp 342The following list provides a name and short description for variables 343that are used during the world build: 344.Bl -tag -width Ar 345.It Va ENABLE_SUID_K5SU 346.Pq Vt bool 347Set this if you wish to use the k5su utility. 348Otherwise, it will be installed without the set-user-ID bit set. 349This is only relevant if 350.Va WANT_KERBEROS 351is defined. 352.It Va ENABLE_SUID_SSH 353.Pq Vt bool 354Set this to install 355.Xr ssh 1 356with the setuid bit turned on. 357.It Va MODULES_WITH_WORLD 358.Pq Vt bool 359Set to build modules with the system instead of the kernel. 360.It Va NO_BIND 361.Pq Vt bool 362Set to not build BIND. 363.It Va NO_CRYPT 364.Pq Vt bool 365Set to not build crypto code. 366.It Va NO_CVS 367.Pq Vt bool 368Set to not build CVS. 369.It Va NO_FORTRAN 370.Pq Vt bool 371Set to not build 372.Xr g77 1 373and related libraries. 374.It Va NO_GAMES 375.Pq Vt bool 376Set to not build games. 377.It Va NO_GDB 378.Pq Vt bool 379Set to not build 380.Xr gdb 1 381.It Va NO_I4B 382.Pq Vt bool 383Set to not build isdn4bsd package. 384.It Va NO_IPFILTER 385.Pq Vt bool 386Set to not build IP Filter package. 387.It Va NO_LIBC_R 388.Pq Vt bool 389Set to not build 390.Nm libc_r 391(reentrant version of 392.Nm libc ) . 393.It Va NO_LPR 394.Pq Vt bool 395Set to not build 396.Xr lpr 1 397and related programs. 398.It Va NO_MAILWRAPPER 399.Pq Vt bool 400Set to not build the 401.Xr mailwrapper 8 402MTA selector. 403.It Va NO_MAKEDEV 404.Pq Vt bool 405Set to avoid running 406.Dq Li "MAKEDEV all" 407on 408.Pa /dev 409during install. 410.It Va NO_OBJC 411.Pq Vt bool 412Set to not build Objective C support. 413.It Va NO_OPENSSH 414.Pq Vt bool 415Set to not build OpenSSH. 416.It Va NO_OPENSSL 417.Pq Vt bool 418Set to not build OpenSSL (implies 419.Va NO_OPENSSH ) . 420.It Va NO_SENDMAIL 421.Pq Vt bool 422Set to not build 423.Xr sendmail 8 424and related programs. 425.It Va NO_SHARE 426.Pq Vt bool 427Set to not enter the share subdirectory. 428.It Va NO_X 429.Pq Vt bool 430Set to not compile in X\-Windows support (e.g.\& 431.Xr doscmd 1 ) . 432.It Va NOCLEAN 433.Pq Vt bool 434Set this to disable cleaning during 435.Dq Li "make buildworld" . 436This should not be set unless you know what you are doing. 437.It Va NOCLEANDIR 438.Pq Vt bool 439Set this to run 440.Dq Li "${MAKE} clean" 441instead of 442.Dq Li "${MAKE} cleandir" . 443.It Va NOFSCHG 444.Pq Vt bool 445Set to not install certain components with flag fschg. 446This is useful in a jailed environment. 447.It Va NOINFO 448.Pq Vt bool 449Set to not make or install 450.Xr info 5 451files. 452.It Va NOINFOCOMPRESS 453.Pq Vt bool 454Set to not compress the info pages. 455.It Va NOMAN 456.Pq Vt bool 457Set to not build manual pages 458.It Va NOMANCOMPRESS 459.Pq Vt bool 460Set to not compress the manual pages. 461.It Va NOPROFILE 462.Pq Vt bool 463Set to avoid compiling profiled libraries. 464.It Va PPP_NOSUID 465.Pq Vt bool 466Set to disable the installation of 467.Xr ppp 8 468with the set-user-ID bit on. 469.It Va SENDMAIL_MC 470.Pq Vt str 471The default 472.Xr m4 1 473configuration file to use at install time. 474The value should include the full path to the 475.Pa .mc 476file, e.g., 477.Pa /etc/mail/myconfig.mc . 478Use with caution as a make install will overwrite any existing 479.Pa /etc/mail/sendmail.cf . 480Note that 481.Va SENDMAIL_CF 482is now deprecated. 483.It Va SENDMAIL_SUBMIT_MC 484.Pq Vt str 485The default 486.Xr m4 1 487configuration file for mail submission 488to use at install time. 489The value should include the full path to the 490.Pa .mc 491file, e.g., 492.Pa /etc/mail/mysubmit.mc . 493Use with caution as a make install will overwrite any existing 494.Pa /etc/mail/submit.cf . 495.It Va SENDMAIL_ADDITIONAL_MC 496.Pq Vt str 497Additional 498.Pa .mc 499files which should be built into 500.Pa .cf 501files at build time. 502The value should include the full path to the 503.Pa .mc 504file(s), e.g., 505.Pa /etc/mail/foo.mc 506.Pa /etc/mail/bar.mc . 507.It Va SENDMAIL_CF_DIR 508.Pq Vt str 509Override the default location for the 510.Xr m4 1 511configuration files used to build a 512.Pa .cf 513file from a 514.Pa .mc 515file. 516.It Va SENDMAIL_M4_FLAGS 517.Pq Vt str 518Flags passed to 519.Xr m4 1 520when building a 521.Pa .cf 522file from a 523.Pa .mc 524file. 525.It Va SENDMAIL_CFLAGS 526.Pq Vt str 527Flags to pass to the compile command when building 528.Xr sendmail 8 . 529The 530.Va SENDMAIL_* 531flags can be used to provide SASL support with setting such as: 532.Bd -literal -offset indent 533SENDMAIL_CFLAGS=-I/usr/local/include -DSASL 534SENDMAIL_LDFLAGS=-L/usr/local/lib 535SENDMAIL_LDADD=-lsasl 536.Ed 537.It Va SENDMAIL_LDFLAGS 538.Pq Vt str 539Flags to pass to the 540.Xr ld 1 541command when building 542.Xr sendmail 8 . 543.It Va SENDMAIL_LDADD 544.Pq Vt str 545Flags to add to the end of the 546.Xr ld 1 547command when building 548.Xr sendmail 8 . 549.It Va SENDMAIL_DPADD 550.Pq Vt str 551Extra dependencies to add when building 552.Xr sendmail 8 . 553.It Va SENDMAIL_SET_USER_ID 554.Pq Vt bool 555If set, install 556.Xr sendmail 8 557as a set-user-ID root binary instead of a set-group-ID binary 558and do not install 559.Pa /etc/mail/submit.{cf,mc} . 560Use of this flag is not recommended and the alternative advice in 561.Pa /etc/mail/README 562should be followed instead if at all possible. 563.It Va SENDMAIL_MAP_PERMS 564.Pq Vt str 565Mode to use when generating alias and map database files using 566.Pa /etc/mail/Makefile . 567The default value is 0640. 568.It Va TOP_TABLE_SIZE 569.Pq Vt int 570.Xr top 1 571uses a hash table for the user names. The size of this hash can be tuned 572to match the number of local users. The table size should be a prime number 573approximately twice as large as the number of lines in 574.Pa /etc/passwd . 575The default number is 20011. 576.It Va WANT_GCC41 577.Pq Vt bool 578Set to build the experimental version of GCC (4.1). 579.It Va WANT_IDEA 580.Pq Vt bool 581Set to build the IDEA encryption code. 582This code is patented in the USA and many European countries. 583It is 584.Em "YOUR RESPONSIBILITY" 585to determine if you can legally use IDEA. 586.It Va WANT_KERBEROS 587.Pq Vt bool 588Set this to build Kerberos5 (KTH Heimdal). 589.Em WARNING ! 590This is still experimental code. 591.It Va WITH_GTAR 592.Pq Vt bool 593Set this to use GNU 594.Xr gtar 1 595as the stardard 596.Xr tar 1 . 597The default is to use 598.Xr bsdtar 1 . 599.El 600.Pp 601The following list provides a name and short description for variables 602that are used when building documentation. 603.Bl -tag -width Ar 604.It Va DOC_LANG 605.Pq Vt str 606The list of languages and encodings to build and install. 607.It Va PRINTERDEVICE 608.Pq Vt str 609The default format for system documentation, depends on your 610printer. 611This can be set to 612.Dq Li ascii 613for simple printers or 614.Dq Li ps 615for postscript or graphics printers with a ghostscript 616filter. 617.El 618.Sh FILES 619.Bl -tag -width /etc/defaults/make.conf -compact 620.It Pa /etc/defaults/make.conf 621.It Pa /etc/make.conf 622.It Pa /usr/src/Makefile 623.It Pa /usr/src/Makefile.inc1 624.El 625.Sh SEE ALSO 626.Xr gcc 1 , 627.Xr install 1 , 628.Xr make 1 , 629.Xr lpd 8 , 630.Xr sendmail 8 631.Sh HISTORY 632The 633.Nm 634file appeared sometime before 635.Fx 4.0 . 636.Sh AUTHORS 637This manual page was written by 638.An Mike W. Meyer Aq mwm@mired.org . 639.Sh BUGS 640This manual page may occasionally be out of date with respect to 641the options currently available for use in 642.Nm . 643Please check the 644.Pa /etc/defaults/make.conf 645file for the latest options which are available. 646