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 1.14 2006/07/02 16:03:42 swildner Exp $ 27.\" 28.Dd July 2, 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 cc40 (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 FETCH_ENV 358.Pq Vt str 359If you're behind a firewall and need FTP or HTTP proxy services for 360.Xr fetch 1 , 361the following examples provide the necessary syntax. 362.Pp 363.Bd -literal -offset indent 364FETCH_ENV=FTP_PROXY=ftp://10.0.0.1:21 365FETCH_ENV=FTP_PROXY=http://10.0.0.1:80 366.Ed 367.It Va MODULES_WITH_WORLD 368.Pq Vt bool 369Set to build modules with the system instead of the kernel. 370.It Va NO_BIND 371.Pq Vt bool 372Set to not build BIND. 373.It Va NO_CRYPT 374.Pq Vt bool 375Set to not build crypto code. 376.It Va NO_CVS 377.Pq Vt bool 378Set to not build CVS. 379.It Va NO_FORTRAN 380.Pq Vt bool 381Set to not build 382.Xr g77 1 383and related libraries. 384.It Va NO_GAMES 385.Pq Vt bool 386Set to not build games. 387.It Va NO_GDB 388.Pq Vt bool 389Set to not build 390.Xr gdb 1 391.It Va NO_I4B 392.Pq Vt bool 393Set to not build isdn4bsd package. 394.It Va NO_IPFILTER 395.Pq Vt bool 396Set to not build IP Filter package. 397.It Va NO_LIBC_R 398.Pq Vt bool 399Set to not build 400.Nm libc_r 401(reentrant version of 402.Nm libc ) . 403.It Va NO_LPR 404.Pq Vt bool 405Set to not build 406.Xr lpr 1 407and related programs. 408.It Va NO_MAILWRAPPER 409.Pq Vt bool 410Set to not build the 411.Xr mailwrapper 8 412MTA selector. 413.It Va NO_MAKEDEV 414.Pq Vt bool 415Set to avoid running 416.Dq Li "MAKEDEV all" 417on 418.Pa /dev 419during install. 420.It Va NO_OBJC 421.Pq Vt bool 422Set to not build Objective C support. 423.It Va NO_OPENSSH 424.Pq Vt bool 425Set to not build OpenSSH. 426.It Va NO_OPENSSL 427.Pq Vt bool 428Set to not build OpenSSL (implies 429.Va NO_OPENSSH ) . 430.It Va NO_SENDMAIL 431.Pq Vt bool 432Set to not build 433.Xr sendmail 8 434and related programs. 435.It Va NO_SHARE 436.Pq Vt bool 437Set to not enter the share subdirectory. 438.It Va NO_X 439.Pq Vt bool 440Set to not compile in X\-Windows support (e.g.\& 441.Xr doscmd 1 ) . 442.It Va NOCLEAN 443.Pq Vt bool 444Set this to disable cleaning during 445.Dq Li "make buildworld" . 446This should not be set unless you know what you are doing. 447.It Va NOCLEANDIR 448.Pq Vt bool 449Set this to run 450.Dq Li "${MAKE} clean" 451instead of 452.Dq Li "${MAKE} cleandir" . 453.It Va NOFSCHG 454.Pq Vt bool 455Set to not install certain components with flag fschg. 456This is useful in a jailed environment. 457.It Va NOINFO 458.Pq Vt bool 459Set to not make or install 460.Xr info 5 461files. 462.It Va NOINFOCOMPRESS 463.Pq Vt bool 464Set to not compress the info pages. 465.It Va NOMAN 466.Pq Vt bool 467Set to not build manual pages 468.It Va NOMANCOMPRESS 469.Pq Vt bool 470Set to not compress the manual pages. 471.It Va NOPROFILE 472.Pq Vt bool 473Set to avoid compiling profiled libraries. 474.It Va PPP_NOSUID 475.Pq Vt bool 476Set to disable the installation of 477.Xr ppp 8 478with the set-user-ID bit on. 479.It Va SENDMAIL_MC 480.Pq Vt str 481The default 482.Xr m4 1 483configuration file to use at install time. 484The value should include the full path to the 485.Pa .mc 486file, e.g., 487.Pa /etc/mail/myconfig.mc . 488Use with caution as a make install will overwrite any existing 489.Pa /etc/mail/sendmail.cf . 490Note that 491.Va SENDMAIL_CF 492is now deprecated. 493.It Va SENDMAIL_SUBMIT_MC 494.Pq Vt str 495The default 496.Xr m4 1 497configuration file for mail submission 498to use at install time. 499The value should include the full path to the 500.Pa .mc 501file, e.g., 502.Pa /etc/mail/mysubmit.mc . 503Use with caution as a make install will overwrite any existing 504.Pa /etc/mail/submit.cf . 505.It Va SENDMAIL_ADDITIONAL_MC 506.Pq Vt str 507Additional 508.Pa .mc 509files which should be built into 510.Pa .cf 511files at build time. 512The value should include the full path to the 513.Pa .mc 514file(s), e.g., 515.Pa /etc/mail/foo.mc 516.Pa /etc/mail/bar.mc . 517.It Va SENDMAIL_CF_DIR 518.Pq Vt str 519Override the default location for the 520.Xr m4 1 521configuration files used to build a 522.Pa .cf 523file from a 524.Pa .mc 525file. 526.It Va SENDMAIL_M4_FLAGS 527.Pq Vt str 528Flags passed to 529.Xr m4 1 530when building a 531.Pa .cf 532file from a 533.Pa .mc 534file. 535.It Va SENDMAIL_CFLAGS 536.Pq Vt str 537Flags to pass to the compile command when building 538.Xr sendmail 8 . 539The 540.Va SENDMAIL_* 541flags can be used to provide SASL support with setting such as: 542.Bd -literal -offset indent 543SENDMAIL_CFLAGS=-I/usr/local/include -DSASL 544SENDMAIL_LDFLAGS=-L/usr/local/lib 545SENDMAIL_LDADD=-lsasl 546.Ed 547.It Va SENDMAIL_LDFLAGS 548.Pq Vt str 549Flags to pass to the 550.Xr ld 1 551command when building 552.Xr sendmail 8 . 553.It Va SENDMAIL_LDADD 554.Pq Vt str 555Flags to add to the end of the 556.Xr ld 1 557command when building 558.Xr sendmail 8 . 559.It Va SENDMAIL_DPADD 560.Pq Vt str 561Extra dependencies to add when building 562.Xr sendmail 8 . 563.It Va SENDMAIL_SET_USER_ID 564.Pq Vt bool 565If set, install 566.Xr sendmail 8 567as a set-user-ID root binary instead of a set-group-ID binary 568and do not install 569.Pa /etc/mail/submit.{cf,mc} . 570Use of this flag is not recommended and the alternative advice in 571.Pa /etc/mail/README 572should be followed instead if at all possible. 573.It Va SENDMAIL_MAP_PERMS 574.Pq Vt str 575Mode to use when generating alias and map database files using 576.Pa /etc/mail/Makefile . 577The default value is 0640. 578.It Va TOP_TABLE_SIZE 579.Pq Vt int 580.Xr top 1 581uses a hash table for the user names. The size of this hash can be tuned 582to match the number of local users. The table size should be a prime number 583approximately twice as large as the number of lines in 584.Pa /etc/passwd . 585The default number is 20011. 586.It Va WANT_GCC40 587.Pq Vt bool 588Set to build the experimental version of GCC (4.0). 589.It Va WANT_IDEA 590.Pq Vt bool 591Set to build the IDEA encryption code. 592This code is patented in the USA and many European countries. 593It is 594.Em "YOUR RESPONSIBILITY" 595to determine if you can legally use IDEA. 596.It Va WANT_KERBEROS 597.Pq Vt bool 598Set this to build Kerberos5 (KTH Heimdal). 599.Em WARNING ! 600This is still experimental code. 601.It Va WITH_BSDTAR 602.Pq Vt bool 603Set this to use 604.Xr bsdtar 1 605as the stardard 606.Xr tar 1 . 607The default is to use GNU 608.Xr tar 1 . 609.El 610.Pp 611The following list provides a name and short description for variables 612that are used when building documentation. 613.Bl -tag -width Ar 614.It Va DOC_LANG 615.Pq Vt str 616The list of languages and encodings to build and install. 617.It Va PRINTERDEVICE 618.Pq Vt str 619The default format for system documentation, depends on your 620printer. 621This can be set to 622.Dq Li ascii 623for simple printers or 624.Dq Li ps 625for postscript or graphics printers with a ghostscript 626filter. 627.El 628.Sh FILES 629.Bl -tag -width /etc/defaults/make.conf -compact 630.It Pa /etc/defaults/make.conf 631.It Pa /etc/make.conf 632.It Pa /usr/src/Makefile 633.It Pa /usr/src/Makefile.inc1 634.El 635.Sh SEE ALSO 636.Xr gcc 1 , 637.Xr install 1 , 638.Xr make 1 , 639.Xr lpd 8 , 640.Xr sendmail 8 641.Sh HISTORY 642The 643.Nm 644file appeared sometime before 645.Fx 4.0 . 646.Sh AUTHORS 647This manual page was written by 648.An Mike W. Meyer Aq mwm@mired.org . 649.Sh BUGS 650This manual page may occasionally be out of date with respect to 651the options currently available for use in 652.Nm . 653Please check the 654.Pa /etc/defaults/make.conf 655file for the latest options which are available. 656