863 lines
31 KiB
Plaintext
863 lines
31 KiB
Plaintext
# $NetBSD: bsd.README,v 1.106 2002/09/27 21:37:55 thorpej Exp $
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# @(#)bsd.README 8.2 (Berkeley) 4/2/94
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This is the README file for the new make "include" files for the BSD
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source tree. The files are installed in /usr/share/mk, and are, by
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convention, named with the suffix ".mk".
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Note, this file is not intended to replace reading through the .mk
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files for anything tricky.
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=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
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RANDOM THINGS WORTH KNOWING:
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The files are simply C-style #include files, and pretty much behave like
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you'd expect. The syntax is slightly different in that a single '.' is
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used instead of the hash mark, i.e. ".include <bsd.prog.mk>".
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One difference that will save you lots of debugging time is that inclusion
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of the file is normally done at the *end* of the Makefile. The reason for
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this is because .mk files often modify variables and behavior based on the
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values of variables set in the Makefile. To make this work, remember that
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the FIRST target found is the target that is used, i.e. if the Makefile has:
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a:
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echo a
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a:
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echo a number two
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the command "make a" will echo "a". To make things confusing, the SECOND
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variable assignment is the overriding one, i.e. if the Makefile has:
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a= foo
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a= bar
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b:
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echo ${a}
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the command "make b" will echo "bar". This is for compatibility with the
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way the V7 make behaved.
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It's fairly difficult to make the BSD .mk files work when you're building
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multiple programs in a single directory. It's a lot easier to split up the
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programs than to deal with the problem. Most of the agony comes from making
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the "obj" directory stuff work right, not because we switched to a new version
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of make. So, don't get mad at us, figure out a better way to handle multiple
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architectures so we can quit using the symbolic link stuff. (Imake doesn't
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count.)
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The file .depend in the source directory is expected to contain dependencies
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for the source files. This file is read automatically by make after reading
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the Makefile.
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The variable DESTDIR works as before. It's not set anywhere but will change
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the tree where the file gets installed.
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The profiled libraries are no longer built in a different directory than
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the regular libraries. A new suffix, ".po", is used to denote a profiled
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object, and ".so" denotes a shared (position-independent) object.
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There are various make variables used during the build. Basic rule for
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the variable naming scheme is as follows:
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MKxxx Can be set to `no' by a user to disable functionality.
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Defaults to `yes' (or usually does)
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NOxxx If defined, disables a feature. Not intended for users,
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it's to allow Makefiles to disable functionality that
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they don't support (such as missing man pages).
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NOxxx variables must be defined before <bsd.own.mk>
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is included.
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The following variables that control how things are made/installed that
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are not set by default. These should not be set by Makefiles; they're for
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the user to define in MAKECONF (see bsd.own.mk, below) or on the make(1)
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command line:
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BUILD If defined, 'make install' checks that the targets in the
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source directories are up-to-date and remakes them if they
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are out of date, instead of blindly trying to install
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out of date or non-existent targets.
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UPDATE If defined, 'make install' only installs targets that are
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more recently modified in the source directories that their
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installed counterparts.
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UNPRIVED If defined, don't set the owner/group/mode when installing
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files or directories, and keep a metadata log of what
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the owner/group/mode should be. This allows a
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non-root "make install".
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MKBFD If "no", don't build libbfd, libiberty, or any of
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the things that depend on them (binutils/gas/ld,
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gdb, dbsym, mdsetimage).
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MKCATPAGES If "no", don't build or install the catman pages.
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MKDOC If "no", don't build or install the documentation.
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MKDYNAMICROOT If "no", build programs in /bin and /sbin statically,
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don't install certain libraries in /lib, and don't
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install the shared linker into /libexec.
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MKGDB If "no", don't build gdb.
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MKGCC If "no", don't build gcc or any of the gcc-related
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libraries (libg2c, libgcc, libobjc, libstdc++).
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MKIEEEFP If "no", don't add code for IEEE754/IEC60559 conformance.
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Has no effect on most platforms.
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MKINFO If "no", don't build or install Info documentation from
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Texinfo source files.
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MKLINT If "no", don't build or install the lint libraries.
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MKMAN If "no", don't build or install the man or catman pages.
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Also acts as "MKCATPAGES=no"
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MKNLS If "no", don't build or install the NLS files and locale
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definition files.
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MKOBJ If "no", don't enable the rule which creates objdirs.
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"yes" by default.
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MKOBJDIRS If "no", don't create objdirs during a "make build".
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"no" by default.
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MKPIC If "no", don't build or install shared libraries.
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MKPICINSTALL If "no", don't install the *_pic.a libraries.
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MKPROFILE If "no", don't build or install the profiling libraries.
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MKSHARE If "no", act as "MKCATPAGES=no MKDOC=no MKINFO=no MKMAN=no
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MKNLS=no". I.e, don't build catman pages, documentation,
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Info documentation, man pages, NLS files, ...
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=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
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The include file <sys.mk> has the default rules for all makes, in the BSD
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environment or otherwise. You probably don't want to touch this file.
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If you intend to run a cross build, you will need to supply the following
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host tools, and configure the following variables properly:
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OBJCOPY objcopy - copy and translate object files
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STRIP strip - Discard symbols from object files
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CONFIG config - build kernel compilation directories
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RPCGEN rpcgen - Remote Procedure Call (RPC) protocol compiler
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MKLOCALE mklocale - make LC_CTYPE locale files
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MTREE mtree - build directory tree from a spec file
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=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
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The include file <bsd.man.mk> handles installing manual pages and their
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links.
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It has a two targets:
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maninstall:
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Install the manual page sources and their links.
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catinstall:
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Install the preformatted manual pages and their links.
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It sets/uses the following variables:
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MANDIR Base path for manual installation.
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MANGRP Manual group.
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MANOWN Manual owner.
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MANMODE Manual mode.
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MANSUBDIR Subdirectory under the manual page section, i.e. "/vax"
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or "/tahoe" for machine specific manual pages.
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MAN The manual pages to be installed (use a .1 - .9 suffix).
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MLINKS List of manual page links (using a .1 - .9 suffix). The
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linked-to file must come first, the linked file second,
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and there may be multiple pairs. The files are soft-linked.
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The include file <bsd.man.mk> includes a file named "../Makefile.inc" if
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it exists.
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=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
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The include file <bsd.own.mk> contains source tree configuration parameters,
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such as the owners, groups, etc. for both manual pages and binaries, and
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a few global "feature configuration" parameters.
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It has no targets.
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To get system-specific configuration parameters, bsd.own.mk will try to
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include the file specified by the "MAKECONF" variable. If MAKECONF is not
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set, or no such file exists, the system make configuration file, /etc/mk.conf
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is included. These files may define any of the variables described below.
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bsd.own.mk sets the following variables, if they are not already defined
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(defaults are in brackets):
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NETBSDSRCDIR Top of the NetBSD source tree.
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If _SRC_TOP_ != "", that will be used as the default,
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otherwise BSDSRCDIR will be used as the default.
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Various makefiles within the NetBSD source tree will
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use this to reference the top level of the source tree.
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_SRC_TOP_ Top of the system source tree, as determined by <bsd.own.mk>
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based on the presence of tools/ and build.sh. This variable
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is "internal" to <bsd.own.mk>, although its value is only
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determined once and then propagated to all sub-makes.
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BSDSRCDIR The real path to the system sources, so that 'make obj'
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will work correctly. [/usr/src]
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BSDOBJDIR The real path to the system 'obj' tree, so that 'make obj'
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will work correctly. [/usr/obj]
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BINGRP Binary group. [wheel]
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BINOWN Binary owner. [root]
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BINMODE Binary mode. [555]
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NONBINMODE Mode for non-executable files. [444]
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MANDIR Base path for manual installation. [/usr/share/man/cat]
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MANGRP Manual group. [wheel]
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MANOWN Manual owner. [root]
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MANMODE Manual mode. [${NONBINMODE}]
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MANINSTALL Manual installation type: maninstall, catinstall, or both
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LDSTATIC Control program linking; if set blank, link everything
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dynamically. If set to "-static", link everything statically.
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If not set, programs link according to their makefile.
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LIBDIR Base path for library installation. [/usr/lib]
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LINTLIBDIR Base path for lint(1) library installation. [/usr/libdata/lint]
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LIBGRP Library group. [${BINGRP}]
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LIBOWN Library owner. [${BINOWN}]
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LIBMODE Library mode. [${NONBINMODE}]
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DOCDIR Base path for system documentation (e.g. PSD, USD, etc.)
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installation. [/usr/share/doc]
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HTMLDOCDIR Base path for html system documentation installation.
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[/usr/share/doc/html]
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DOCGRP Documentation group. [wheel]
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DOCOWN Documentation owner. [root]
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DOCMODE Documentation mode. [${NONBINMODE}]
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NLSDIR Base path for Native Language Support files installation.
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[/usr/share/nls]
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NLSGRP Native Language Support files group. [wheel]
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NLSOWN Native Language Support files owner. [root]
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NLSMODE Native Language Support files mode. [${NONBINMODE}]
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STRIPFLAG The flag passed to the install program to cause the binary
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to be stripped. This is to be used when building your
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own install script so that the entire system can be made
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stripped/not-stripped using a single knob. [-s]
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COPY The flag passed to the install program to cause the binary
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to be copied rather than moved. This is to be used when
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building our own install script so that the entire system
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can either be installed with copies, or with moves using
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a single knob. [-c]
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Additionally, the following variables may be set by bsd.own.mk or in a
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make configuration file to modify the behaviour of the system build
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process (default values are in brackets along with comments, if set by
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bsd.own.mk):
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MKCRYPTO If set to "no", no cryptography support will be built
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into the system. Defaults to "yes".
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MKCRYPTO_IDEA If set to "yes", IDEA support will be built into
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libcrypto_idea.a. Defaults to "no".
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MKCRYPTO_MDC2 If set to "yes", MDC2 support will be built into
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libcrypto_mdc2.a. Defaults to "no".
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MKCRYPTO_RC5 If set to "yes", RC5 support will be built into
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libcrypto_rc5.a. Defaults to "no".
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MKHESIOD If set to "no", disables building of Hesiod infrastructure
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(libraries and support programs).
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MKKERBEROS If set to "no", disables building of Kerberos (v4 or v5)
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infrastructure (libraries and support programs).
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MKSKEY If set to "no", disables building of S/key authentication
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infrastructure (libraries and support programs).
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MKYP If set to "no", disables building of YP (NIS)
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infrastructure (libraries and support programs).
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USE_HESIOD If set to "no", disables building Hesiod support into
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various system utilities/libraries that support it.
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If MKHESIOD is set to "no", USE_HESIOD will also be
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forced to "no".
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USE_KERBEROS If set to "no", disables building Kerberos (v4 or v5)
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support into various system utilities/libraries that
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support it. If MKKERBEROS is set to "no", USE_KERBEROS
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will also be forced to "no".
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USE_SKEY If set to "no", disables building S/key authentication
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support into various system utilities/libraries that
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support it. If MKSKEY is set to "no", USE_SKEY will
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also be forced to "no".
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USE_YP If set to "no", disables building YP (NIS) support into
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various system utilities/libraries that support it. If
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MKYP is set to "no", USE_YP will also be forced to "no".
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MANZ Compress manual pages at installation time.
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SYS_INCLUDE Copy or symlink kernel include files into /usr/include.
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Possible values are "symlinks" or "copies" (which is
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the same as the variable being unset).
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NOPROFILE Do not build profiled versions of system libraries
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NOPIC Do not build PIC versions of system libraries, and
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do not build shared libraries. [set if ${MACHINE_ARCH}
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is "sh3" and ${OBJECT_FMT} is "COFF", unset otherwise.]
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NOLINT Do not build lint libraries.
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OBJECT_FMT Object file format. [set to "ELF" on architectures that
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use ELF -- currently if ${MACHINE_ARCH} is "alpha",
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"mipsel", "mipseb", "powerpc", "sparc", "sparc64",
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"i386" and some m68k machines, or set to "a.out" on
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other architectures].
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MKSOFTFLOAT If "yes", build with options to enable the compiler to
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generate output containing library calls for floating
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point and possibly soft-float library support. Defaults
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to "no".
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TOOLCHAIN_MISSING
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If "yes", this indicates that the platform being built
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does not have a working in-tree toolchain. If the
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MACHINE_ARCH in question falls into this category, the
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variable is conditionally assigned the value "yes".
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Otherwise, the variable is unconditionally assigned the
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value "no".
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If TOOLCHAIN_MISSING is "yes", the variables MKBFD, MKGCC,
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and MKGDB are unconditionally assigned the value "no".
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EXTERNAL_TOOLCHAIN
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This variable is not directly set by <bsd.own.mk>, but
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including <bsd.own.mk> is the canonical way to gain
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access to this variable. The variable should be defined
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either in the user's environment or in the user's mk.conf
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file. If defined, this variable indicates the root of
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an external toolchain which will be used to build the
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tree. For example, if a platform is a TOOLCHAIN_MISSING
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platform, EXTERNAL_TOOLCHAIN can be used to re-enable the
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cross-compile framework.
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If EXTERNAL_TOOLCHAIN is defined, the variable MKGCC is
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unconditionally assigned the value "no", since the external
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version of the compiler may not be able to build the library
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components of the in-tree compiler.
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NOTE: This variable is not yet used in as many places as
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it should be. Expect the exact semantics of this variable
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to change in the short term as parts of the cross-compile
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framework continue to be cleaned up.
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bsd.own.mk is generally useful when building your own Makefiles so that
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they use the same default owners etc. as the rest of the tree.
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=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
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The include file <bsd.shlib.mk> computes parameters for shared library
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installation and use. It defines no targets. <bsd.own.mk> MUST be
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included before bsd.shlib.mk.
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bsd.own.mk sets the following variables, if they are not already defined
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(defaults are in brackets):
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SHLIBINSTALLDIR If ${USE_SHLIBDIR} is "yes", use ${SHLIBINSTALLDIR} instead of
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${LIBDIR} as the base path for shared library installation.
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[/lib]
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SHLIBDIR The path to USE_SHLIBDIR shared libraries to use when building
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a program. [/lib for programs in /bin and /sbin, /usr/lib
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for all others.]
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_LIBSODIR Set to ${SHLIBINSTALLDIR} if ${USE_SHLIBDIR} is "yes",
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otherwise set to ${LIBDIR}
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SHLINKINSTALLDIR Base path for shared linker. [/libexec]
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SHLINKDIR Path to use for shared linker when building a program.
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[/libexec for programs in /bin and /sbin, /usr/libexec for
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all others.]
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=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
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The include file <bsd.prog.mk> handles building programs from one or
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more source files, along with their manual pages. It has a limited number
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of suffixes, consistent with the current needs of the BSD tree. bsd.prog.mk
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includes <bsd.shlib.mk> to get shared library parameters.
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It has eight targets:
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all:
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build the program and its manual page. This also
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creates a GDB initialization file (.gdbinit) in
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the objdir. The .gdbinit file sets the shared library
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prefix to ${DESTDIR} to facilitate cross-debugging.
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clean:
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remove the program, any object files and the files a.out,
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Errs, errs, mklog, and ${PROG}.core.
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cleandir:
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remove all of the files removed by the target clean, as
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well as .depend, tags, and any manual pages.
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`distclean' is a synonym for `cleandir'.
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depend:
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make the dependencies for the source files, and store
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them in the file .depend.
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includes:
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install any header files.
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install:
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install the program and its manual pages; if the Makefile
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does not itself define the target install, the targets
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beforeinstall and afterinstall may also be used to cause
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actions immediately before and after the install target
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is executed.
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lint:
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run lint on the source files
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tags:
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create a tags file for the source files.
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It sets/uses the following variables:
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BINGRP Binary group.
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BINOWN Binary owner.
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BINMODE Binary mode.
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CLEANFILES Additional files to remove for the clean and cleandir targets.
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COPTS Additional flags to the compiler when creating C objects.
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CPPFLAGS Additional flags to the C pre-processor
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GDBINIT List of GDB initialization files to add to "source"
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directives in the .gdbinit file that is created in the
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objdir.
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LDADD Additional loader objects. Usually used for libraries.
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For example, to load with the compatibility and utility
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libraries, use:
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LDADD+=-lutil -lcompat
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LDFLAGS Additional loader flags.
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LINKS The list of binary links; should be full pathnames, the
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linked-to file coming first, followed by the linked
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file. The files are hard-linked. For example, to link
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/bin/test and /bin/[, use:
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LINKS= ${DESTDIR}/bin/test ${DESTDIR}/bin/[
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SYMLINKS The list of symbolic links; should be full pathnames.
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Syntax is identical to LINKS. Note that DESTDIR is not
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automatically included in the link.
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MAN Manual pages (should end in .1 - .9). If no MAN variable is
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defined, "MAN=${PROG}.1" is assumed.
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PROG The name of the program to build. If not supplied, nothing
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is built.
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PROG_CXX If defined, the name of the program to build. Also
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causes <bsd.prog.mk> to link the program with the C++
|
|
compiler rather than the C compiler. PROG_CXX overrides
|
|
the value of PROG if PROG is also set.
|
|
|
|
PROGNAME The name that the above program will be installed as, if
|
|
different from ${PROG}.
|
|
|
|
SRCS List of source files to build the program. If SRCS is not
|
|
defined, it's assumed to be ${PROG}.c.
|
|
|
|
DPADD Additional dependencies for the program. Usually used for
|
|
libraries. For example, to depend on the compatibility and
|
|
utility libraries use:
|
|
|
|
DPADD+=${LIBCOMPAT} ${LIBUTIL}
|
|
|
|
The following libraries are predefined for DPADD:
|
|
|
|
LIBCRT0?= ${DESTDIR}/usr/lib/crt0.o
|
|
LIBBZ2?= ${DESTDIR}/usr/lib/libbz2.a
|
|
LIBC?= ${DESTDIR}/usr/lib/libc.a
|
|
LIBC_PIC?= ${DESTDIR}/usr/lib/libc_pic.a
|
|
LIBCDK?= ${DESTDIR}/usr/lib/libcdk.a
|
|
LIBCOM_ERR?= ${DESTDIR}/usr/lib/libcom_err.a
|
|
LIBCOMPAT?= ${DESTDIR}/usr/lib/libcompat.a
|
|
LIBCRYPT?= ${DESTDIR}/usr/lib/libcrypt.a
|
|
LIBCRYPTO?= ${DESTDIR}/usr/lib/libcrypto.a
|
|
LIBCRYPTO_IDEA?=${DESTDIR}/usr/lib/libcrypto_idea.a
|
|
LIBCRYPTO_MDC2?=${DESTDIR}/usr/lib/libcrypto_mdc2.a
|
|
LIBCRYPTO_RC5?= ${DESTDIR}/usr/lib/libcrypto_rc5.a
|
|
LIBCURSES?= ${DESTDIR}/usr/lib/libcurses.a
|
|
LIBDBM?= ${DESTDIR}/usr/lib/libdbm.a
|
|
LIBDES?= ${DESTDIR}/usr/lib/libdes.a
|
|
LIBEDIT?= ${DESTDIR}/usr/lib/libedit.a
|
|
LIBFORM?= ${DESTDIR}/usr/lib/libform.a
|
|
LIBGCC?= ${DESTDIR}/usr/lib/libgcc.a
|
|
LIBGNUMALLOC?= ${DESTDIR}/usr/lib/libgnumalloc.a
|
|
LIBGSSAPI?= ${DESTDIR}/usr/lib/libgssapi.a
|
|
LIBHDB?= ${DESTDIR}/usr/lib/libhdb.a
|
|
LIBINTL?= ${DESTDIR}/usr/lib/libintl.a
|
|
LIBIPSEC?= ${DESTDIR}/usr/lib/libipsec.a
|
|
LIBKADM?= ${DESTDIR}/usr/lib/libkadm.a
|
|
LIBKADM5CLNT?= ${DESTDIR}/usr/lib/libkadm5clnt.a
|
|
LIBKADM5SRV?= ${DESTDIR}/usr/lib/libkadm5srv.a
|
|
LIBKAFS?= ${DESTDIR}/usr/lib/libkafs.a
|
|
LIBKDB?= ${DESTDIR}/usr/lib/libkdb.a
|
|
LIBKRB?= ${DESTDIR}/usr/lib/libkrb.a
|
|
LIBKRB5?= ${DESTDIR}/usr/lib/libkrb5.a
|
|
LIBKSTREAM?= ${DESTDIR}/usr/lib/libkstream.a
|
|
LIBKVM?= ${DESTDIR}/usr/lib/libkvm.a
|
|
LIBL?= ${DESTDIR}/usr/lib/libl.a
|
|
LIBM?= ${DESTDIR}/usr/lib/libm.a
|
|
LIBMENU?= ${DESTDIR}/usr/lib/libmenu.a
|
|
LIBMP?= ${DESTDIR}/usr/lib/libmp.a
|
|
LIBNTP?= ${DESTDIR}/usr/lib/libntp.a
|
|
LIBOBJC?= ${DESTDIR}/usr/lib/libobjc.a
|
|
LIBOSSAUDIO?= ${DESTDIR}/usr/lib/libossaudio.a
|
|
LIBPC?= ${DESTDIR}/usr/lib/libpc.a
|
|
LIBPCAP?= ${DESTDIR}/usr/lib/libpcap.a
|
|
LIBPCI?= ${DESTDIR}/usr/lib/libpci.a
|
|
LIBPLOT?= ${DESTDIR}/usr/lib/libplot.a
|
|
LIBPMC?= ${DESTDIR}/usr/lib/libpmc.a
|
|
LIBPOSIX?= ${DESTDIR}/usr/lib/libposix.a
|
|
LIBRESOLV?= ${DESTDIR}/usr/lib/libresolv.a
|
|
LIBRMT?= ${DESTDIR}/usr/lib/librmt.a
|
|
LIBROKEN?= ${DESTDIR}/usr/lib/libroken.a
|
|
LIBRPCSVC?= ${DESTDIR}/usr/lib/librpcsvc.a
|
|
LIBSKEY?= ${DESTDIR}/usr/lib/libskey.a
|
|
LIBSS?= ${DESTDIR}/usr/lib/libss.a
|
|
LIBSSL?= ${DESTDIR}/usr/lib/libssl.a
|
|
LIBSKEY?= ${DESTDIR}/usr/lib/libskey.a
|
|
LIBSL?= ${DESTDIR}/usr/lib/libsl.a
|
|
LIBTERMCAP?= ${DESTDIR}/usr/lib/libtermcap.a
|
|
LIBTELNET?= ${DESTDIR}/usr/lib/libtelnet.a
|
|
LIBUSBHID?= ${DESTDIR}/usr/lib/libusbhid.a
|
|
LIBUTIL?= ${DESTDIR}/usr/lib/libutil.a
|
|
LIBWRAP?= ${DESTDIR}/usr/lib/libwrap.a
|
|
LIBY?= ${DESTDIR}/usr/lib/liby.a
|
|
LIBZ?= ${DESTDIR}/usr/lib/libz.a
|
|
|
|
SHAREDSTRINGS If defined, a new .c.o rule is used that results in shared
|
|
strings, using xstr(1). Note that this will not work with
|
|
parallel makes.
|
|
|
|
STRIPFLAG The flag passed to the install program to cause the binary
|
|
to be stripped.
|
|
|
|
SUBDIR A list of subdirectories that should be built as well.
|
|
Each of the targets will execute the same target in the
|
|
subdirectories.
|
|
|
|
SCRIPTS A list of interpreter scripts [file.{sh,csh,pl,awk,...}].
|
|
These are installed exactly like programs.
|
|
|
|
SCRIPTSNAME The name that the above program will be installed as, if
|
|
different from ${SCRIPTS}. These can be further specialized
|
|
by setting SCRIPTSNAME_<script>.
|
|
|
|
FILES A list of files to install. The installation is controlled
|
|
by the FILESNAME, FILESOWN, FILESGRP, FILESMODE, FILESDIR
|
|
variables that can be further specialized by FILES<VAR>_<file>
|
|
|
|
SHLINKDIR Target directory for shared linker. See description of
|
|
<bsd.own.mk> for additional information about this variable.
|
|
|
|
The include file <bsd.prog.mk> includes the file named "../Makefile.inc"
|
|
if it exists, as well as the include file <bsd.man.mk>.
|
|
|
|
Some simple examples:
|
|
|
|
To build foo from foo.c with a manual page foo.1, use:
|
|
|
|
PROG= foo
|
|
|
|
.include <bsd.prog.mk>
|
|
|
|
To build foo from foo.c with a manual page foo.2, add the line:
|
|
|
|
MAN= foo.2
|
|
|
|
If foo does not have a manual page at all, add the line:
|
|
|
|
MKMAN= no
|
|
|
|
If foo has multiple source files, add the line:
|
|
|
|
SRCS= a.c b.c c.c d.c
|
|
|
|
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
|
|
|
|
The include file <bsd.subdir.mk> contains the default targets for building
|
|
subdirectories. It has the same eight targets as <bsd.prog.mk>: all,
|
|
clean, cleandir, depend, includes, install, lint, and tags. For all of
|
|
the directories listed in the variable SUBDIR, the specified directory
|
|
will be visited and the target made. There is also a default target which
|
|
allows the command "make subdir" where subdir is any directory listed in
|
|
the variable SUBDIR.
|
|
|
|
As a special case, the use of a token .WAIT as an entry in SUBDIR acts
|
|
as a synchronization barrier when multiple make jobs are run; subdirs
|
|
before the .WAIT must complete before any subdirs after .WAIT are
|
|
started. See make(1) for some caveats on use of .WAIT and other
|
|
special sources.
|
|
|
|
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
|
|
|
|
The include file <bsd.links.mk> handles the LINKS and SYMLINKS variables
|
|
and is included from from bsd.lib.mk and bsd.prog.mk.
|
|
|
|
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
|
|
|
|
The include file <bsd.files.mk> handles the FILES variables and is included
|
|
from bsd.lib.mk and bsd.prog.mk.
|
|
|
|
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
|
|
|
|
The include file <bsd.inc.mk> defines the includes target and uses two
|
|
variables:
|
|
|
|
INCS The list of include files
|
|
|
|
INCSDIR The location to install the include files.
|
|
|
|
INCSNAME Target name of the include file, if only one; same as
|
|
FILESNAME, but for include files.
|
|
|
|
INCSNAME_<file> The name file <file> should be installed as, if not <file>,
|
|
same as FILESNAME_<file>, but for include files.
|
|
|
|
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
|
|
|
|
The include file <bsd.kinc.mk> defines the many targets (includes,
|
|
subdirectories, etc.), and is used by kernel makefiles to handle
|
|
include file installation. It is intended to be included alone, by
|
|
kernel Makefiles. Please see bsd.kinc.mk for more details, and keep
|
|
the documentation in that file up to date.
|
|
|
|
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
|
|
|
|
The include file <bsd.info.mk> is used to generate and install GNU Info
|
|
documentation from respective Texinfo source files. It defines three
|
|
implicit targets (.txi.info, .texi.info, and .texinfo.info), and uses the
|
|
following variables:
|
|
|
|
TEXINFO List of Texinfo source files. Info documentation will
|
|
consist of single files with the extension replaced by
|
|
.info.
|
|
|
|
INFOFLAGS Flags to pass to makeinfo. []
|
|
|
|
INSTALL_INFO Name of install-info program. [install-info]
|
|
|
|
MAKEINFO Name of makeinfo program. [makeinfo]
|
|
|
|
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
|
|
|
|
The include file <bsd.sys.mk> is used by <bsd.prog.mk> and
|
|
<bsd.lib.mk>. It contains overrides that are used when building
|
|
the NetBSD source tree. For instance, if "PARALLEL" is defined by
|
|
the program/library Makefile, it includes a set of rules for lex and
|
|
yacc that allow multiple lex and yacc targets to be built in parallel.
|
|
|
|
Other variables of note (incomplete list):
|
|
|
|
WARNS Crank up gcc warning options; the distinct levels are:
|
|
WARNS=1
|
|
WARNS=2
|
|
WARNS=3
|
|
|
|
FORMAT_AUDIT If FORMAT_AUDIT is set, and WFORMAT is set and > 1, turn on
|
|
WFORMAT -Wnetbsd-format-audit for extra-stringent format checking.
|
|
WFORMAT belongs in individual makefiles and/or
|
|
Makefile.inc files. (set WFORMAT=1 in individual
|
|
makefiles if a program is not security critical and is
|
|
doing bizarre things with format strings which would
|
|
be even uglier if rewritten) FORMAT_AUDIT should go in
|
|
mk.conf if you're doing format-string auditing.
|
|
FORMAT_AUDIT may go away in time.
|
|
|
|
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
|
|
|
|
The include file <bsd.lib.mk> has support for building libraries. It has
|
|
the same eight targets as <bsd.prog.mk>: all, clean, cleandir, depend,
|
|
includes, install, lint, and tags. Additionally, it has a checkver target
|
|
which checks for installed shared object libraries whose version is greater
|
|
that the version of the source. It has a limited number of suffixes,
|
|
consistent with the current needs of the BSD tree. bsd.lib.mk includes
|
|
<bsd.shlib.mk> to get shared library parameters.
|
|
|
|
It sets/uses the following variables:
|
|
|
|
LIB The name of the library to build.
|
|
|
|
LIBDIR Target directory for libraries.
|
|
|
|
SHLIBINSTALLDIR Target directory for shared libraries if ${USE_SHLIBDIR}
|
|
is "yes".
|
|
|
|
USE_SHLIBDIR If "yes", use ${SHLIBINSTALLDIR} instead of ${LIBDIR}
|
|
as the path to install shared libraries to.
|
|
USE_SHLIBDIR must be defined before <bsd.own.mk> is included.
|
|
|
|
LINTLIBDIR Target directory for lint libraries.
|
|
|
|
LIBGRP Library group.
|
|
|
|
LIBOWN Library owner.
|
|
|
|
LIBMODE Library mode.
|
|
|
|
LDADD Additional loader objects.
|
|
|
|
MAN The manual pages to be installed (use a .1 - .9 suffix).
|
|
|
|
MKLINKLIB If "no", act as "MKPICINSTALL=no MKPROFILE=no".
|
|
Also:
|
|
- don't install the .a libraries
|
|
- don't install _pic.a libraries on PIC systems
|
|
- don't build .a libraries on PIC systems
|
|
- don't install the .so symlink on ELF systems
|
|
I.e, only install the shared library (and the .so.major
|
|
symlink on ELF).
|
|
|
|
MKPICLIB If "no", don't build _pic.a libraries, and build the
|
|
shared object libraries from the .a libraries. A
|
|
symlink is installed in ${DESTDIR}/usr/lib for the
|
|
_pic.a library pointing to the .a library.
|
|
|
|
NOCHECKVER_<library>
|
|
NOCHECKVER If set, disables checking for installed shared object
|
|
libraries with versions greater than the source. A
|
|
particular library name, without the "lib" prefix, may
|
|
be appended to the variable name to disable the check for
|
|
only that library.
|
|
|
|
SRCS List of source files to build the library. Suffix types
|
|
.s, .c, and .f are supported. Note, .s files are preferred
|
|
to .c files of the same name. (This is not the default for
|
|
versions of make.)
|
|
|
|
The include file <bsd.lib.mk> includes the file named "../Makefile.inc"
|
|
if it exists, as well as the include file <bsd.man.mk>.
|
|
|
|
It has rules for building profiled objects; profiled libraries are
|
|
built by default.
|
|
|
|
Libraries are ranlib'd when made.
|
|
|
|
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
|
|
|
|
The include file <bsd.obj.mk> defines targets related to the creation
|
|
and use of separated object and source directories.
|
|
|
|
If an environment variable named MAKEOBJDIRPREFIX is set, make(1) uses
|
|
${MAKEOBJDIRPREFIX}${.CURDIR} as the name of the object directory if
|
|
it exists. Otherwise make(1) looks for the existence of a
|
|
subdirectory (or a symlink to a directory) of the source directory
|
|
into which built targets should be placed. If an environment variable
|
|
named MAKEOBJDIR is set, make(1) uses its value as the name of the
|
|
object directory; failing that, make first looks for a subdirectory
|
|
named "obj.${MACHINE}", and if that doesn't exist, it looks for "obj".
|
|
|
|
Object directories are not created automatically by make(1) if they
|
|
don't exist; you need to run a separate "make obj". (This will happen
|
|
during a top-level build if "MKOBJDIRS" is set to a value other than
|
|
"no"). When the source directory is a subdirectory of ${BSDSRCDIR} --
|
|
and this is determined by a simple string prefix comparison -- object
|
|
directories are created in a separate object directory tree, and a
|
|
symlink to the object directory in that tree is created in the source
|
|
directory; otherwise, "make obj" assumes that you're not in the main
|
|
source tree and that it's not safe to use a separate object tree.
|
|
|
|
Several variables used by <bsd.obj.mk> control exactly what
|
|
directories and links get created during a "make obj":
|
|
|
|
MAKEOBJDIR If set, this is the component name of the object
|
|
directory.
|
|
|
|
OBJMACHINE If this is set but MAKEOBJDIR is not set, creates
|
|
object directories or links named "obj.${MACHINE}";
|
|
otherwise, just creates ones named "obj".
|
|
|
|
USR_OBJMACHINE If set, and the current directory is a subdirectory of
|
|
${BSDSRCDIR}, create object directory in the
|
|
corresponding subdirectory of ${BSDOBJDIR}.${MACHINE};
|
|
otherwise, create it in the corresponding subdirectory
|
|
of ${BSDOBJDIR}
|
|
|
|
BUILDID If set, the contents of this variable are appended
|
|
to the object directory name. If OBJMACHINE is also
|
|
set, ".${BUILDID}" is added after ".${MACHINE}".
|
|
|
|
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
|
|
|
|
The include file <bsd.kernobj.mk> defines variables related to the
|
|
location of kernel sources and object directories.
|
|
|
|
KERNSRCDIR Is the location of the top of the kernel src.
|
|
It defaults to ${_SRC_TOP_}/sys
|
|
|
|
KERNARCHDIR Is the location of the machine dependent kernel
|
|
sources. It defaults to arch/${MACHINE}
|
|
|
|
KERNCONFDIR Is where the configuration files for kernels are
|
|
found; default is ${KERNSRCDIR}/${KERNARCHDIR}/conf.
|
|
|
|
KERNOBJDIR Is the kernel build directory. The kernel GENERIC for
|
|
instance will be compiled in ${KERNOBJDIR}/GENERIC.
|
|
The default value is
|
|
${MAKEOBJDIRPREFIX}${KERNSRCDIR}/${KERNARCHDIR}/compile
|
|
if it exists or the target 'obj' is being made.
|
|
Otherwise the default is
|
|
${KERNSRCDIR}/${KERNARCHDIR}/compile.
|
|
|
|
It is important that Makefiles (such as those under src/distrib) that
|
|
wish to find compiled kernels use bsd.kernobj.mk and ${KERNOBJDIR}
|
|
rather than make assumptions about the location of the compiled kernel.
|
|
|
|
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
|