1.\" $NetBSD: mk.conf.5,v 1.84 2021/01/14 23:32:12 pgoyette Exp $ 2.\" 3.\" Copyright (c) 1999-2003 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by Luke Mewburn. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28.\" POSSIBILITY OF SUCH DAMAGE. 29.\" 30.Dd October 27, 2020 31.Dt MK.CONF 5 32.Os 33.\" turn off hyphenation 34.hym 999 35. 36.Sh NAME 37.Nm mk.conf 38.Nd make configuration file 39. 40.Sh DESCRIPTION 41The 42.Nm 43file overrides various parameters used during the build of the system. 44.Pp 45Listed below are the 46.Nm 47variables that may be set, the values to which each may be set, 48a brief description of what each variable does, and a reference to 49relevant manual pages. 50. 51.Ss NetBSD System variables 52. 53.de YorN 54Can be set to 55.Dq yes 56or 57.Dq no . 58.. 59.de DFLT 60.Pp 61.Em Default : 62.. 63.de DFLTu 64.DFLT 65Unset. 66.. 67.de DFLTy 68.DFLT 69.Dq yes 70.. 71.de DFLTn 72.DFLT 73.Dq no 74.. 75.Bl -tag -width MKDYNAMICROOT 76. 77.It Sy NETBSDSRCDIR 78The path to the top level of the 79.Nx 80sources. 81If 82.Xr make 1 83is run from within the 84.Nx 85source tree, the default is the top 86level of that tree (as determined by the presence of 87.Pa build.sh 88and 89.Pa tools/ ) , 90otherwise 91.Sy BSDSRCDIR 92will be used. 93. 94.It Sy BSDOBJDIR 95The real path to the 96.Sq obj 97tree for the 98.Nx 99source tree. 100.DFLT 101.Pa /usr/obj 102. 103.It Sy BSDSRCDIR 104The real path to the 105.Nx 106source tree. 107.DFLT 108.Pa /usr/src 109. 110.It Sy BUILD 111If defined, 112.Sq "make install" 113checks that the targets in the source directories are up-to-date and 114re-makes them if they are out of date, instead of blindly trying to install 115out of date or non-existent targets. 116.DFLTu 117. 118.It Sy BUILDID 119Identifier for the build. 120The identifier will be appended to 121object directory names, and can be consulted in the 122.Xr make 1 123configuration file in order to set additional build parameters, 124such as compiler flags. 125.DFLTu 126. 127.It Sy COPTS 128Extra options for the C compiler. 129Should be appended to (e.g., 130.Sy COPTS+=-g ) , 131rather than explicitly set. 132Note that 133.Sy CPUFLAGS , 134not 135.Sy COPTS , 136should be used for 137compiler flags that select CPU-related options. 138Also note that 139.Sy CFLAGS 140should never be set in 141.Nm . 142. 143.It Sy CPUFLAGS 144Additional flags passed to the compiler/assembler to select 145CPU instruction set options, CPU tuning options, etc. 146Such options should not be specified in 147.Sy COPTS , 148because some parts of the build process need to override 149CPU-related compiler options. 150. 151.It Sy DESTDIR 152Directory to contain the built 153.Nx 154system. 155If set, special options are passed to the compilation tools to 156prevent their default use of the host system's 157.Sy /usr/include , /usr/lib , 158and so forth. 159This pathname should 160.Em not 161end with a slash 162.Pq / 163character (for installation into the system's root directory, set 164.Sy DESTDIR 165to an empty string). 166The directory must reside on a file system which supports long file 167names and hard links. 168.DFLT 169Empty string if 170.Sy USETOOLS 171is 172.Dq yes ; 173unset otherwise. 174.Pp 175.Em Note : 176.Sy build.sh 177will provide a default of 178.Pa destdir. Ns Sy MACHINE 179(in the top-level 180.Sy .OBJDIR ) 181unless run in 182.Sq expert 183mode 184. 185.It Sy KERNEL_DIR (EXPERIMENTAL) 186.YorN 187Indicates if a top-level directory 188.Sy /netbsd/ 189is created. 190If 191.Dq yes , 192the directory will contain a kernel file 193.Pa /netbsd/kernel 194and a corresponding modules directory 195.Pa /netbsd/modules/ . 196System bootstrap procedures will be modified to search for the kernel 197and modules in the 198.Pa /netbsd/ 199directory. 200This is intended to simplify system upgrade and rollback procedures by 201keeping the kernel and its associated modules together in one place. 202.Pp 203If 204.Dq no , 205the kernel file will be stored in 206.Pa /netbsd 207and the modules will be stored within the 208.Pa /stand/${ARCH}/ 209directory hierarchy. 210.Pp 211The 212.Sy KERNEL_DIR 213option is a work-in-progress, and is highly experimental. 214It is also subject to change without notice. 215.DFLTn 216.It Sy MAKEVERBOSE 217Level of verbosity of status messages. 218Supported values: 219.Bl -tag -width xxx 220.It 0 221No descriptive messages or commands executed by 222.Xr make 1 223are shown. 224.It 1 225Brief messages are shown describing what is being done, 226but the actual commands executed by 227.Xr make 1 228are not displayed. 229.It 2 230Descriptive messages are shown as above (prefixed with a 231.Sq # ) , 232and ordinary commands performed by 233.Xr make 1 234are displayed. 235.It 3 236In addition to the above, all commands performed by 237.Xr make 1 238are displayed, even if they would ordinarily have been hidden 239through use of the 240.Dq \&@ 241prefix in the relevant makefile. 242.It 4 243In addition to the above, commands executed by 244.Xr make 1 245are traced through use of the 246.Xr sh 1 247.Dq Fl x 248flag. 249.El 250.DFLT 2512 252. 253.It Sy MKATF 254.YorN 255Indicates whether the Automated Testing Framework is built and installed. 256This also controls whether the 257.Nx 258test suite is built and installed, 259as the tests rely on ATF and cannot be built without it. 260.DFLTy 261. 262.It Sy MKBINUTILS 263.YorN 264Indicates whether any of the binutils tools or libraries should be built. 265That is, the libraries 266.Sy libbfd , 267.Sy libiberty , 268or any of the things that depend upon them, e.g. 269.Xr as 1 , 270.Xr ld 1 , 271.Xr dbsym 8 , 272or 273.Xr mdsetimage 8 . 274.DFLTy 275. 276.It Sy MKBSDTAR 277.YorN 278If 279.Dq yes , 280.Sy libarchive Ns - Ns 281based implementations of 282.Xr cpio 1 283and 284.Xr tar 1 285are built and installed. 286If 287.Dq no , 288.Xr pax 1 289based frontends are used. 290.DFLTy 291. 292.It Sy MKCATPAGES 293.YorN 294Indicates whether preformatted plaintext manual pages will be created 295and installed. 296.DFLTn 297. 298.It Sy MKCLEANSRC 299.YorN 300Indicates whether 301.Sq "make clean" 302and 303.Sq "make cleandir" 304will delete file names in 305.Sy CLEANFILES 306or 307.Sy CLEANDIRFILES 308from both the object directory, 309.Sy .OBJDIR , 310and the source directory, 311.Sy .SRCDIR . 312.Pp 313If 314.Dq yes , 315then these file names will be deleted relative to both 316.Sy .OBJDIR 317and 318.Sy .CURDIR . 319If 320.Dq no , 321then the deletion will be performed relative to 322.Sy .OBJDIR 323only. 324.DFLTy 325. 326.It Sy MKCLEANVERIFY 327.YorN 328Controls whether 329.Sq "make clean" 330and 331.Sq "make cleandir" 332will verify that files have been deleted. 333If 334.Dq yes , 335then file deletions will be verified using 336.Xr ls 1 . 337If 338.Dq no , 339then file deletions will not be verified. 340.DFLTy 341. 342.It Sy MKCOMPAT 343.YorN 344Indicates whether support for multiple ABIs is to be built and 345installed. 346.DFLTy 347on amd64, mips64 and sparc64, 348.Dq no 349on other architectures. 350. 351.It Sy MKCOMPLEX 352.YorN 353Indicates whether the 354.Lb libm 355is compiled with support for 356.In complex.h . 357.DFLTy 358. 359.It Sy MKCTF 360.YorN 361Indicates whether CTF tools are to be built and installed. 362If yes, the tools will be used to generate and manipulate 363CTF data of ELF binaries during build. 364.DFLTn 365. 366.It Sy MKCVS 367.YorN 368Indicates whether 369.Xr cvs 1 370is built. 371.DFLTy 372. 373.It Sy MKDEBUG 374.YorN 375Indicates whether separate debugging symbols should be installed into 376.Sy DESTDIR Ns Pa /usr/libdata/debug . 377.DFLTn 378. 379.It Sy MKDEBUGLIB 380.YorN 381Indicates whether debug libraries 382.Sy ( lib*_g.a ) 383will be built and installed. 384Debug libraries are compiled with 385.Dq Li -g -DDEBUG . 386.DFLTn 387. 388.It Sy MKDOC 389.YorN 390Indicates whether system documentation destined for 391.Sy DESTDIR Ns Pa /usr/share/doc 392will be installed. 393.DFLTy 394. 395.It Sy MKDTRACE 396.YorN 397Indicates whether the kernel modules, utilities and libraries for 398.Xr dtrace 1 399support are to be built and installed. 400.DFLTn 401. 402.It Sy MKDYNAMICROOT 403.YorN 404Indicates whether all programs should be dynamically linked, 405and to install shared libraries required by 406.Pa /bin 407and 408.Pa /sbin 409and the shared linker 410.Xr ld.elf_so 1 411into 412.Pa /lib . 413If 414.Sq no , 415link programs in 416.Pa /bin 417and 418.Pa /sbin 419statically. 420.DFLTy 421. 422.It Sy MKGCC 423.YorN 424Indicates whether 425.Xr gcc 1 426or any related libraries 427.Pq Sy libg2c , libgcc , libobjc , libstdc++ 428are built. 429.DFLTy 430. 431.It Sy MKGCCCMDS 432.YorN 433Indicates whether 434.Xr gcc 1 435is built. 436If 437.Dq no , 438then 439.Sy MKGCC 440controls if the 441GCC libraries are built. 442.DFLTy 443. 444.It Sy MKGDB 445.YorN 446Indicates whether 447.Xr gdb 1 448is built. 449.DFLTy 450. 451.It Sy MKHESIOD 452.YorN 453Indicates whether the Hesiod infrastructure 454(libraries and support programs) is built and installed. 455.DFLTy 456. 457.It Sy MKHOSTOBJ 458.YorN 459If set to 460.Dq yes , 461then for programs intended to be run on the compile host, 462the name, release, and architecture of the host operating system 463will be suffixed to the name of the object directory created by 464.Dq make obj . 465(This allows multiple host systems to compile 466.Nx 467for a single target.) 468If set to 469.Dq no , 470then programs built to be run on the compile host will use the same 471object directory names as programs built to be run on the target. 472.DFLTn 473. 474.It Sy MKHTML 475.YorN 476Indicates whether the HTML manual pages are created and installed. 477.DFLTy 478. 479.It Sy MKIEEEFP 480.YorN 481Indicates whether code for IEEE754/IEC60559 conformance is built. 482Has no effect on most platforms. 483.DFLTy 484. 485.It Sy MKINET6 486Indicates whether INET6 (IPv6) infrastructure 487(libraries and support programs) is built and installed. 488.DFLTy 489. 490.It Sy MKINFO 491.YorN 492Indicates whether GNU Info files, used for the documentation for 493most of the compilation tools, will be built and installed. 494.DFLTy 495. 496.It Sy MKIPFILTER 497.YorN 498Indicates whether the 499.Xr ipf 4 500programs, headers and other components will be built and installed. 501.DFLTy 502. 503.It Sy MKISCSI 504.YorN 505Indicates whether the iSCSI library and applications are 506built and installed. 507.DFLTy 508. 509.It Sy MKKDEBUG 510.YorN 511Indicates whether debugging symbols will be built for kernels 512by default; pretend as if 513.Em makeoptions DEBUG="-g" 514is specified in kernel configuration files. 515See 516.Xr options 4 517for details. 518.DFLTn 519. 520.It Sy MKKERBEROS 521.YorN 522Indicates whether the Kerberos v5 infrastructure 523(libraries and support programs) is built and installed. 524Caution: the default 525.Xr pam 8 526configuration requires that Kerberos be present even if not used. 527Do not install a userland without Kerberos without also either 528updating the 529.Xr pam.conf 5 530files or disabling PAM via 531.Sy MKPAM . 532Otherwise all logins will fail. 533.DFLTy 534. 535.It Sy MKKMOD 536.YorN 537Indicates whether kernel modules are built and installed. 538.DFLTy 539. 540.It Sy MKKYUA 541.YorN 542Indicates whether Kyua (the testing infrastructure used by 543.Nx ) 544is built and installed. 545Note that 546.Em this does not control the installation of the tests themselves . 547The tests rely on the ATF libraries and therefore their build is controlled 548by the 549.Sy MKATF 550knob. 551.DFLTn 552until the import of Kyua is done and validated. 553. 554.It Sy MKLDAP 555.YorN 556Indicates whether the Lightweight Directory Access Protocol (LDAP) 557infrastructure 558(libraries and support programs) is built and installed. 559.DFLTy 560. 561.It Sy MKLINKLIB 562.YorN 563Indicates whether all of the shared library infrastructure is built. 564If 565.Sq no , 566prevents: 567installation of the 568.Sy *.a 569libraries, 570installation of the 571.Sy *_pic.a 572libraries on PIC systems, 573building of 574.Sy *.a 575libraries on PIC systems, 576or 577installation of 578.Sy .so 579symlinks on ELF systems. 580.DFLTy 581.Pp 582If 583.Dq no , 584acts as 585.Sy MKPICINSTALL=no MKPROFILE=no . 586. 587.It Sy MKLINT 588.YorN 589Indicates whether 590.Xr lint 1 591will be run against portions of the 592.Nx 593source code during the build, and whether lint libraries will be 594installed into 595.Sy DESTDIR Ns Pa /usr/libdata/lint . 596.DFLTy 597. 598.It Sy MKLVM 599.YorN 600If not 601.Dq no , 602build and install the logical volume manager. 603.DFLTy 604. 605.It Sy MKMAN 606.YorN 607Indicates whether manual pages will be installed. 608.DFLTy 609.Pp 610If 611.Dq no , 612acts as 613.Sy MKCATPAGES=no MKHTML=no . 614. 615.It Sy MKMANZ 616.YorN 617Indicates whether manual pages should be compressed with 618.Xr gzip 1 619at installation time. 620.DFLTn 621. 622.It Sy MKMDNS 623.YorN 624Indicates whether the mDNS (Multicast DNS) infrastructure 625(libraries and support programs) is built and installed. 626.DFLTy 627. 628.It Sy MKNLS 629.YorN 630Indicates whether Native Language System (NLS) locale zone files will be 631built and installed. 632.DFLTy 633. 634.It Sy MKNPF 635.YorN 636Indicates whether the NPF packet filter is to be built and installed. 637.DFLTy 638. 639.It Sy MKOBJ 640.YorN 641Indicates whether object directories will be created when running 642.Dq make obj . 643If set to 644.Dq no , 645then all built files will be located inside the regular source tree. 646.DFLTy 647.Pp 648If 649.Dq no , 650acts as 651.Sy MKOBJDIRS=no . 652. 653.It Sy MKOBJDIRS 654.YorN 655Indicates whether object directories will be created automatically 656(via a 657.Dq make obj 658pass) at the start of a build. 659.DFLTn 660. 661.It Sy MKPAM 662.YorN 663Indicates whether the 664.Xr pam 8 665framework (libraries and support files) is built. 666The pre-PAM code is not supported and may be removed in the future. 667.DFLTy 668. 669.It Sy MKPCC 670.YorN 671Indicates whether 672.Xr pcc 1 673or any related libraries 674.Pq Sy libpcc , libpccsoftfloat 675are built. 676.DFLTn 677. 678.It Sy MKPF 679.YorN 680Indicates whether the 681.Xr pf 4 682programs, headers and LKM will be built and installed. 683.DFLTy 684. 685.It Sy MKPIC 686.YorN 687Indicates whether shared objects and libraries will be created and 688installed. 689If set to 690.Dq no , 691the entire built system will be statically linked. 692.DFLT 693Platform dependent. 694As of this writing, all platforms except 695.Sy m68000 696default to 697.Dq yes . 698.Pp 699If 700.Dq no , 701acts as 702.Sy MKPICLIB=no . 703. 704.It Sy MKPICINSTALL 705.YorN 706Indicates whether the 707.Xr ar 1 708format libraries 709.Sy ( lib*_pic.a ) , 710used to generate shared libraries, are installed. 711.DFLTy 712. 713.It Sy MKPICLIB 714.YorN 715Indicates whether the 716.Xr ar 1 717format libraries 718.Sy ( lib*_pic.a ) , 719used to generate shared libraries. 720.DFLTy 721. 722.It Sy MKPIE 723Indicates whether Position Independent Executables (PIE) 724are built and installed. 725.DFLTn 726. 727.It Sy MKPIGZGZIP 728.YorN 729If 730.Dq no , 731the 732.Xr pigz 1 733utility is not installed as 734.Xr gzip 1 . 735.DFLTn 736. 737.It Sy MKPOSTFIX 738.YorN 739Indicates whether Postfix is built. 740.DFLTy 741. 742.It Sy MKPROFILE 743.YorN 744Indicates whether profiled libraries 745.Sy ( lib*_p.a ) 746will be built and installed. 747.DFLT 748.Dq yes ; 749however, some platforms turn off 750.Sy MKPROFILE 751by default at times due to toolchain problems with profiled code. 752. 753.It Sy MKREPRO 754.YorN 755Indicates whether builds are to be reproducible. 756If 757.Dq yes , 758two builds from the same source tree will produce the same build 759results. 760.DFLTn 761. 762.It Sy MKRUMP 763.YorN 764Indicates whether the 765.Xr rump 3 766headers, libraries and programs are to be installed. 767.DFLTy 768. 769.It Sy MKSHARE 770.YorN 771Indicates whether files destined to reside in 772.Sy DESTDIR Ns Pa /usr/share 773will be built and installed. 774.DFLTy 775.Pp 776If 777.Dq no , 778acts as 779.Sy MKCATPAGES=no MKDOC=no MKINFO=no MKHTML=no MKMAN=no MKNLS=no . 780. 781.It Sy MKSKEY 782.YorN 783Indicates whether the S/key infrastructure 784(libraries and support programs) is built. 785.DFLTy 786. 787.It Sy MKSOFTFLOAT 788.YorN 789Indicates whether the compiler generates output containing 790library calls for floating point and possibly soft-float library 791support. 792.DFLTn 793. 794.It Sy MKSTATICLIB 795.YorN 796Indicates whether the normal static libraries 797.Sy ( lib*_g.a ) 798will be built and installed. 799.DFLTy 800. 801.It Sy MKSTRIPIDENT 802.YorN 803Indicates whether RCS IDs, for use with 804.Xr ident 1 , 805should be stripped from program binaries and shared libraries. 806.DFLTn 807. 808.It Sy MKSTRIPSYM 809.YorN 810Indicates whether all local symbols should be stripped from shared libraries. 811If 812.Dq yes , 813strip all local symbols from shared libraries; 814the affect is equivalent to the 815.Fl x 816option of 817.Xr ld 1 . 818If 819.Dq no , 820strip only temporary local symbols; the affect is equivalent 821to the 822.Fl X 823option of 824.Xr ld 1 . 825Keeping non-temporary local symbols 826such as static function names is useful on using DTrace for 827userland libraries and getting a backtrace from a rump kernel 828loading shared libraries. 829.DFLTy 830. 831.It Sy MKUNPRIVED 832.YorN 833Indicates whether an unprivileged install will occur. 834The user, group, permissions, and file flags, will not be set on 835the installed item; instead the information will be appended to 836a file called 837.Pa METALOG 838in 839.Sy DESTDIR . 840The contents of 841.Pa METALOG 842is used during the generation of the distribution tar files to ensure 843that the appropriate file ownership is stored. 844.DFLTn 845. 846.It Sy MKUPDATE 847.YorN 848Indicates whether all install operations intended to write to 849.Sy DESTDIR 850will compare file timestamps before installing, and skip the install 851phase if the destination files are up-to-date. 852This also has implications on full builds (see next subsection). 853.DFLTn 854. 855.It Sy MKX11 856.YorN 857Indicates whether X11 is built and installed 858(by descending into 859.Pa src/external/mit/xorg ) . 860.DFLTn 861. 862.It Sy MKX11FONTS 863.YorN 864If 865.Dq no , 866do not build and install the X fonts. 867.DFLTy 868. 869.It Sy X11MOTIFPATH 870Location of the Motif installation to use if setting 871.Sy MKX11MOTIF 872to 873.Dq yes . 874.DFLT 875.Pa /usr/pkg 876. 877.It Sy MKX11MOTIF 878.YorN 879If 880.Dq yes , 881build the native Xorg libGLw with Motif stubs. 882Requires that Motif can be found via 883.Sy X11MOTIFPATH . 884.DFLTn 885. 886.It Sy MKYP 887.YorN 888Indicates whether the YP (NIS) infrastructure 889(libraries and support programs) is built. 890.DFLTy 891. 892.It Sy MKZFS 893.YorN 894Indicates whether the ZFS kernel module and the utilities and 895libraries used to manage the ZFS system are to be built. 896.DFLTy 897on amd64, 898.Dq no 899on other architectures. 900. 901.It Sy OBJMACHINE 902If defined, creates objdirs of the form 903.Pa obj. Ns Sy MACHINE , 904where 905.Sy MACHINE 906is the current architecture (as per 907.Sq "uname -m" ) . 908. 909.It Sy RELEASEDIR 910If set, specifies the directory to which a 911.Xr release 7 912layout will be written at the end of a 913.Dq make release . 914.DFLTu 915.Pp 916.Em Note : 917.Sy build.sh 918will provide a default of 919.Pa releasedir 920(in the top-level 921.Sy .OBJDIR ) 922unless run in 923.Sq expert 924mode 925. 926.It Sy TOOLDIR 927Directory to hold the host tools, once built. 928This directory should be unique to a given host system and 929.Nx 930source tree. 931(However, multiple targets may share the same 932.Sy TOOLDIR ; 933the target-dependent files have unique names.) 934If unset, a default based 935on the 936.Xr uname 1 937information of the host platform will be created in the 938.Sy .OBJDIR 939of 940.Pa src . 941.DFLTu 942. 943.It Sy USE_FORT 944Indicates whether the so-called 945.Dq FORTIFY_SOURCE 946.Xr security 7 947extensions are enabled; see 948.Xr ssp 3 949for details. 950This imposes some performance penalty. 951.DFLTn 952. 953.It Sy USE_HESIOD 954.YorN 955Indicates whether Hesiod support is 956enabled in the various applications that support it. 957If 958.Sy MKHESIOD=no , 959.Sy USE_HESIOD 960will also be forced to 961.Dq no . 962.DFLTy 963. 964.It Sy USE_INET6 965.YorN 966Indicates whether INET6 (IPv6) support is 967enabled in the various applications that support it. 968If 969.Sy MKINET6=no , 970.Sy USE_INET6 971will also be forced to 972.Dq no . 973.DFLTy 974. 975.It Sy USE_JEMALLOC 976.YorN 977Indicates whether the 978.Em jemalloc 979allocator 980.Pq which is designed for improved performance with threaded applications 981is used instead of the 982.Em phkmalloc 983allocator 984.Pq that was the default until Nx 5.0 . 985.DFLTy 986. 987.It Sy USE_KERBEROS 988.YorN 989Indicates whether Kerberos v5 support is 990enabled in the various applications that support it. 991If 992.Sy MKKERBEROS=no , 993.Sy USE_KERBEROS 994will also be forced to 995.Dq no . 996.DFLTy 997. 998.It Sy USE_LDAP 999.YorN 1000Indicates whether LDAP support is 1001enabled in the various applications that support it. 1002If 1003.Sy MKLDAP=no , 1004.Sy USE_LDAP 1005will also be forced to 1006.Dq no . 1007.DFLTy 1008. 1009.It Sy USE_PAM 1010.YorN 1011Indicates whether 1012.Xr pam 8 1013support is enabled in the various applications that support it. 1014If 1015.Sy MKPAM=no , 1016.Sy USE_PAM 1017will also be forced to 1018.Dq no . 1019.DFLTy 1020. 1021.It Sy USE_SKEY 1022.YorN 1023Indicates whether S/key support is 1024enabled in the various applications that support it. 1025If 1026.Sy MKSKEY=no , 1027.Sy USE_SKEY 1028will also be forced to 1029.Dq no . 1030.DFLTy 1031.Pp 1032This is mutually exclusive to 1033.Sy USE_PAM!=no . 1034. 1035.It Sy USE_SSP 1036.YorN 1037Indicates whether GCC stack-smashing protection (SSP) support, 1038which detects stack overflows and aborts the program, 1039is enabled. 1040This imposes some performance penalty. 1041.DFLTn 1042. 1043.It Sy USE_YP 1044.YorN 1045Indicates whether YP (NIS) support is 1046enabled in the various applications that support it. 1047If 1048.Sy MKYP=no , 1049.Sy USE_YP 1050will also be forced to 1051.Dq no . 1052.DFLTy 1053. 1054.It Sy USETOOLS 1055Indicates whether the tools specified by 1056.Sy TOOLDIR 1057should be used as part of a build in progress. 1058Must be set to 1059.Dq yes 1060if cross-compiling. 1061.Bl -tag -width "never" 1062.It Sy yes 1063Use the tools from 1064.Sy TOOLDIR . 1065.It Sy no 1066Do not use the tools from 1067.Sy TOOLDIR , 1068but refuse to build native compilation tool components that are 1069version-specific for that tool. 1070.It Sy never 1071Do not use the tools from 1072.Sy TOOLDIR , 1073even when building native tool components. 1074This is similar to the traditional 1075.Nx 1076build method, but does 1077.Em not 1078verify that the compilation tools in use are up-to-date enough in order 1079to build the tree successfully. 1080This may cause build or runtime problems when building the whole 1081.Nx 1082source tree. 1083.El 1084.DFLT 1085.Dq yes 1086if building all or part of a whole 1087.Nx 1088source tree (detected automatically); 1089.Dq no 1090otherwise (to preserve traditional semantics of the 1091.Aq bsd.*.mk 1092.Xr make 1 1093include files). 1094. 1095.El 1096. 1097.Ss pkgsrc system variables 1098. 1099Please see the pkgsrc guide at 1100.Lk http://www.netbsd.org/Documentation/pkgsrc/ 1101or 1102.Pa pkgsrc/doc/pkgsrc.txt 1103for more variables used internally by the package system and 1104.Pa ${PKGSRCDIR}/mk/defaults/mk.conf 1105for package-specific examples. 1106. 1107.Sh FILES 1108.Bl -tag -width /etc/mk.conf 1109. 1110.It Pa /etc/mk.conf 1111This file. 1112. 1113.It Pa ${PKGSRCDIR}/mk/defaults/mk.conf 1114Examples for settings regarding the pkgsrc collection. 1115.El 1116. 1117.Sh SEE ALSO 1118.Xr make 1 , 1119.Pa /usr/share/mk/bsd.README , 1120.Pa pkgsrc/doc/pkgsrc.txt , 1121.Lk http://www.netbsd.org/Documentation/pkgsrc/ 1122.Sh HISTORY 1123The 1124.Nm 1125file appeared in 1126.Nx 1.2 . 1127