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# $NetBSD: bsd.README,v 1.118 2003/07/18 00:33:18 lukem 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
source tree. The files are installed in /usr/share/mk, and are, by
convention, named with the suffix ".mk".
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Note, this file is not intended to replace reading through the .mk
files for anything tricky.
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
RANDOM THINGS WORTH KNOWING:
The files are simply C-style #include files, and pretty much behave like
you'd expect. The syntax is slightly different in that a single '.' is
used instead of the hash mark, i.e. ".include <bsd.prog.mk>".
One difference that will save you lots of debugging time is that inclusion
of the file is normally done at the *end* of the Makefile. The reason for
this is because .mk files often modify variables and behavior based on the
values of variables set in the Makefile. To make this work, remember that
the FIRST target found is the target that is used, i.e. if the Makefile has:
a:
echo a
a:
echo a number two
the command "make a" will echo "a". To make things confusing, the SECOND
variable assignment is the overriding one, i.e. if the Makefile has:
a= foo
a= bar
b:
echo ${a}
the command "make b" will echo "bar". This is for compatibility with the
way the V7 make behaved.
It's fairly difficult to make the BSD .mk files work when you're building
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
architectures so we can quit using the symbolic link stuff. (Imake doesn't
count.)
The file .depend in the source directory is expected to contain dependencies
for the source files. This file is read automatically by make after reading
the Makefile.
The variable DESTDIR works as before. It's not set anywhere but will change
the tree where the file gets installed.
The profiled libraries are no longer built in a different directory than
the regular libraries. A new suffix, ".po", is used to denote a profiled
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
the variable naming scheme is as follows:
MKxxx Can be set to `no' by a user to disable functionality.
Defaults to `yes' (or usually does)
NOxxx If defined, disables a feature.
Not intended for users.
This is to allow Makefiles to disable functionality
that they don't support (such as missing man pages).
NOxxx variables must be defined before <bsd.own.mk>
is included.
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The following variables that control how things are made/installed that
are not set by default. These should not be set by Makefiles; they're for
the user to define in MAKECONF (see bsd.own.mk, below) or on the make(1)
command line:
BUILD If defined, 'make install' checks that the targets in the
source directories are up-to-date and remakes them if they
are out of date, instead of blindly trying to install
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out of date or non-existent targets.
UPDATE If defined, 'make install' only installs targets that are
more recently modified in the source directories that their
installed counterparts.
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UNPRIVED If defined, don't set the owner/group/mode when installing
files or directories, and keep a metadata log of what
the owner/group/mode should be. This allows a
non-root "make install".
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MKBFD If "no", don't build libbfd, libiberty, or any of
the things that depend on them (binutils/gas/ld,
gdb, dbsym, mdsetimage).
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MKCATPAGES If "no", don't build or install the catman pages.
MKDOC If "no", don't build or install the documentation.
MKDYNAMICROOT If "no", build programs in /bin and /sbin statically,
don't install certain libraries in /lib, and don't
install the shared linker into /libexec.
MKGDB If "no", don't build gdb.
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MKGCC If "no", don't build gcc or any of the gcc-related
libraries (libg2c, libgcc, libobjc, libstdc++).
MKIEEEFP If "no", don't add code for IEEE754/IEC60559 conformance.
Has no effect on most platforms.
MKINFO If "no", don't build or install Info documentation from
Texinfo source files.
MKLINT If "no", don't build or install the lint libraries.
MKMAN If "no", don't build or install the man or catman pages.
Also acts as "MKCATPAGES=no"
MKNLS If "no", don't build or install the NLS files and locale
definition files.
MKOBJ If "no", don't enable the rule which creates objdirs.
"yes" by default.
MKOBJDIRS If "no", don't create objdirs during a "make build".
"no" by default.
MKPIC If "no", don't build or install shared libraries.
MKPICINSTALL If "no", don't install the *_pic.a libraries.
MKPROFILE If "no", don't build or install the profiling libraries.
MKSHARE If "no", act as "MKCATPAGES=no MKDOC=no MKINFO=no MKMAN=no
MKNLS=no". I.e, don't build catman pages, documentation,
Info documentation, man pages, NLS files, ...
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=-=-=-=-= sys.mk =-=-=-=-=
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The include file <sys.mk> has the default rules for all makes, in the BSD
environment or otherwise. You probably don't want to touch this file.
If you intend to run a cross build, you will need to supply the following
host tools, and configure the following variables properly:
OBJCOPY objcopy - copy and translate object files
STRIP strip - Discard symbols from object files
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=-=-=-=-= bsd.own.mk =-=-=-=-=
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The include file <bsd.own.mk> contains source tree configuration parameters,
such as the owners, groups, etc. for both manual pages and binaries, and
a few global "feature configuration" parameters.
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It has no targets.
To get system-specific configuration parameters, bsd.own.mk will try to
include the file specified by the "MAKECONF" variable. If MAKECONF is not
set, or no such file exists, the system make configuration file, /etc/mk.conf
is included. These files may define any of the variables described below.
bsd.own.mk sets the following variables, if they are not already defined
(defaults are in brackets):
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NETBSDSRCDIR Top of the NetBSD source tree.
If _SRC_TOP_ != "", that will be used as the default,
otherwise BSDSRCDIR will be used as the default.
Various makefiles within the NetBSD source tree will
use this to reference the top level of the source tree.
_SRC_TOP_ Top of the system source tree, as determined by <bsd.own.mk>
based on the presence of tools/ and build.sh. This variable
is "internal" to <bsd.own.mk>, although its value is only
determined once and then propagated to all sub-makes.
BSDSRCDIR The real path to the system sources, so that 'make obj'
will work correctly. [/usr/src]
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BSDOBJDIR The real path to the system 'obj' tree, so that 'make obj'
will work correctly. [/usr/obj]
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BINGRP Binary group. [wheel]
BINOWN Binary owner. [root]
BINMODE Binary mode. [555]
NONBINMODE Mode for non-executable files. [444]
MANDIR Base path for manual installation. [/usr/share/man/cat]
MANGRP Manual group. [wheel]
MANOWN Manual owner. [root]
MANMODE Manual mode. [${NONBINMODE}]
MANINSTALL Manual installation type: maninstall, catinstall, or both
LDSTATIC Control program linking; if set blank, link everything
dynamically. If set to "-static", link everything statically.
If not set, programs link according to their makefile.
LIBDIR Base path for library installation. [/usr/lib]
LINTLIBDIR Base path for lint(1) library installation. [/usr/libdata/lint]
LIBGRP Library group. [${BINGRP}]
LIBOWN Library owner. [${BINOWN}]
LIBMODE Library mode. [${NONBINMODE}]
DOCDIR Base path for system documentation (e.g. PSD, USD, etc.)
installation. [/usr/share/doc]
HTMLDOCDIR Base path for html system documentation installation.
[/usr/share/doc/html]
DOCGRP Documentation group. [wheel]
DOCOWN Documentation owner. [root]
DOCMODE Documentation mode. [${NONBINMODE}]
NLSDIR Base path for Native Language Support files installation.
[/usr/share/nls]
NLSGRP Native Language Support files group. [wheel]
NLSOWN Native Language Support files owner. [root]
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
own install script so that the entire system can be made
stripped/not-stripped using a single knob. [-s]
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COPY The flag passed to the install program to cause the binary
to be copied rather than moved. This is to be used when
building our own install script so that the entire system
can either be installed with copies, or with moves using
a single knob. [-c]
Additionally, the following variables may be set by bsd.own.mk or in a
make configuration file to modify the behaviour of the system build
process (default values are in brackets along with comments, if set by
bsd.own.mk):
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MKPICLIB bsd.own.mk provides a default for this variable, which is
used by bsd.lib.mk. The default value is provided by
bsd.own.mk since non-library Makefiles may need to check
its value in order to generate proper dependencies against
libraries used only during the build process (which would
not be installed into the destination directory).
MKCRYPTO If set to "no", no cryptography support will be built
into the system. Defaults to "yes".
MKCRYPTO_IDEA If set to "yes", IDEA support will be built into
libcrypto_idea.a. Defaults to "no".
MKCRYPTO_MDC2 If set to "yes", MDC2 support will be built into
libcrypto_mdc2.a. Defaults to "no".
MKCRYPTO_RC5 If set to "yes", RC5 support will be built into
libcrypto_rc5.a. Defaults to "no".
MKHESIOD If set to "no", disables building of Hesiod infrastructure
(libraries and support programs).
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MKKERBEROS If set to "no", disables building of Kerberos (v4 or v5)
infrastructure (libraries and support programs).
MKSKEY If set to "no", disables building of S/key authentication
infrastructure (libraries and support programs).
MKYP If set to "no", disables building of YP (NIS)
infrastructure (libraries and support programs).
USE_HESIOD If set to "no", disables building Hesiod support into
various system utilities/libraries that support it.
If MKHESIOD is set to "no", USE_HESIOD will also be
forced to "no".
USE_KERBEROS If set to "no", disables building Kerberos (v4 or v5)
support into various system utilities/libraries that
support it. If MKKERBEROS is set to "no", USE_KERBEROS
will also be forced to "no".
USE_SKEY If set to "no", disables building S/key authentication
support into various system utilities/libraries that
support it. If MKSKEY is set to "no", USE_SKEY will
also be forced to "no".
USE_YP If set to "no", disables building YP (NIS) support into
various system utilities/libraries that support it. If
MKYP is set to "no", USE_YP will also be forced to "no".
MANZ Compress manual pages at installation time.
NOPROFILE Do not build profiled versions of system libraries
NOPIC Do not build PIC versions of system libraries, and
do not build shared libraries. [set if ${MACHINE_ARCH}
is "sh3" and ${OBJECT_FMT} is "COFF", unset otherwise.]
NOLINT Do not build lint libraries.
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OBJECT_FMT Object file format. [set to "ELF" on architectures that
use ELF -- currently if ${MACHINE_ARCH} is "alpha",
"mipsel", "mipseb", "powerpc", "sparc", "sparc64",
"i386" and some m68k machines, or set to "a.out" on
other architectures].
MKSOFTFLOAT If "yes", build with options to enable the compiler to
generate output containing library calls for floating
point and possibly soft-float library support. Defaults
to "no".
TOOLCHAIN_MISSING
If "yes", this indicates that the platform being built
does not have a working in-tree toolchain. If the
MACHINE_ARCH in question falls into this category, the
variable is conditionally assigned the value "yes".
Otherwise, the variable is unconditionally assigned the
value "no".
If TOOLCHAIN_MISSING is "yes", the variables MKBFD, MKGCC,
and MKGDB are unconditionally assigned the value "no".
EXTERNAL_TOOLCHAIN
This variable is not directly set by <bsd.own.mk>, but
including <bsd.own.mk> is the canonical way to gain
access to this variable. The variable should be defined
either in the user's environment or in the user's mk.conf
file. If defined, this variable indicates the root of
an external toolchain which will be used to build the
tree. For example, if a platform is a TOOLCHAIN_MISSING
platform, EXTERNAL_TOOLCHAIN can be used to re-enable the
cross-compile framework.
If EXTERNAL_TOOLCHAIN is defined, the variable MKGCC is
unconditionally assigned the value "no", since the external
version of the compiler may not be able to build the library
components of the in-tree compiler.
NOTE: This variable is not yet used in as many places as
it should be. Expect the exact semantics of this variable
to change in the short term as parts of the cross-compile
framework continue to be cleaned up.
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.
=-=-=-=-= bsd.files.mk =-=-=-=-=
The include file <bsd.files.mk> handles the FILES variables and is included
from bsd.lib.mk and bsd.prog.mk.
=-=-=-=-= bsd.gcc.mk =-=-=-=-=
The include file <bsd.gcc.mk> computes various parameters related to GCC
support libraries. It defines no targets. <bsd.own.mk> MUST be included
before bsd.gcc.mk.
The primary users of bsd.gcc.mk are <bsd.prog.mk> and <bsd.lib.mk>, each
of which need to know where to find certain GCC support libraries.
The behavior of bsd.gcc.mk is influenced by the EXTERNAL_TOOLCHAIN variable,
which is generally set by the user. If EXTERNAL_TOOLCHAIN it set, then
the compiler is asked where to find the support libraries, otherwise the
support libraries are found in ${DESTDIR}/usr/lib.
bsd.gcc.mk sets the following variables:
_GCC_CRTBEGIN The full path name to crtbegin.o.
_GCC_CRTBEGINS The full path name to crtbeginS.o.
_GCC_CRTEND The full path name to crtend.o.
_GCC_CRTENDS The full path name to crtendS.o.
_GCC_LIBGCCDIR The directory where libgcc.a is located.
=-=-=-=-= bsd.inc.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.
=-=-=-=-= bsd.info.mk =-=-=-=-=
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. []
=-=-=-=-= bsd.kernobj.mk =-=-=-=-=
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.
=-=-=-=-= bsd.kinc.mk =-=-=-=-=
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.
=-=-=-=-= bsd.lib.mk =-=-=-=-=
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.
=-=-=-=-= bsd.links.mk =-=-=-=-=
The include file <bsd.links.mk> handles the LINKS and SYMLINKS variables
and is included from from bsd.lib.mk and bsd.prog.mk.
=-=-=-=-= bsd.man.mk =-=-=-=-=
The include file <bsd.man.mk> handles installing manual pages and their
links.
It has a two targets:
maninstall:
Install the manual page sources and their links.
catinstall:
Install the preformatted manual pages and their links.
It sets/uses the following variables:
MANDIR Base path for manual installation.
MANGRP Manual group.
MANOWN Manual owner.
MANMODE Manual mode.
MANSUBDIR Subdirectory under the manual page section, i.e. "/vax"
or "/tahoe" for machine specific manual pages.
MAN The manual pages to be installed (use a .1 - .9 suffix).
MLINKS List of manual page links (using a .1 - .9 suffix). The
linked-to file must come first, the linked file second,
and there may be multiple pairs. The files are soft-linked.
The include file <bsd.man.mk> includes a file named "../Makefile.inc" if
it exists.
=-=-=-=-= bsd.obj.mk =-=-=-=-=
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}".
=-=-=-=-= bsd.prog.mk =-=-=-=-=
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The include file <bsd.prog.mk> handles building programs from one or
more source files, along with their manual pages. It has a limited number
of suffixes, consistent with the current needs of the BSD tree. bsd.prog.mk
includes <bsd.shlib.mk> to get shared library parameters.
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It has eight targets:
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all:
build the program and its manual page. This also
creates a GDB initialization file (.gdbinit) in
the objdir. The .gdbinit file sets the shared library
prefix to ${DESTDIR} to facilitate cross-debugging.
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clean:
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:
remove all of the files removed by the target clean, as
well as .depend, tags, and any manual pages.
`distclean' is a synonym for `cleandir'.
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depend:
make the dependencies for the source files, and store
them in the file .depend.
includes:
install any header files.
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install:
install the program and its manual pages; if the Makefile
does not itself define the target install, the targets
beforeinstall and afterinstall may also be used to cause
actions immediately before and after the install target
is executed.
lint:
run lint on the source files
tags:
create a tags file for the source files.
It sets/uses the following variables:
BINGRP Binary group.
BINOWN Binary owner.
BINMODE Binary mode.
CLEANFILES Additional files to remove for the clean and cleandir targets.
COPTS Additional flags to the compiler when creating C objects.
CPUFLAGS Additional flags to the compiler/assembler to select
CPU instruction set options, CPU tuning options, etc.
CPPFLAGS Additional flags to the C pre-processor
GDBINIT List of GDB initialization files to add to "source"
directives in the .gdbinit file that is created in the
objdir.
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LDADD Additional loader objects. Usually used for libraries.
For example, to load with the compatibility and utility
libraries, use:
LDADD+=-lutil -lcompat
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LDFLAGS Additional loader flags.
LINKS The list of binary links; should be full pathnames, the
linked-to file coming first, followed by the linked
file. The files are hard-linked. For example, to link
/bin/test and /bin/[, use:
LINKS= ${DESTDIR}/bin/test ${DESTDIR}/bin/[
SYMLINKS The list of symbolic links; should be full pathnames.
Syntax is identical to LINKS. Note that DESTDIR is not
automatically included in the link.
MAN Manual pages (should end in .1 - .9). If no MAN variable is
defined, "MAN=${PROG}.1" is assumed.
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PROG The name of the program to build. If not supplied, nothing
is built.
PROG_CXX If defined, the name of the program to build. Also
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.
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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
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defined, it's assumed to be ${PROG}.c.
DPSRCS List of source files which are needed for generating
dependencies, but are not needed in ${SRCS}.
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DPADD Additional dependencies for the program. Usually used for
libraries. For example, to depend on the compatibility and
utility libraries use:
DPADD+=${LIBCOMPAT} ${LIBUTIL}
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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
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LIBEVENT?= ${DESTDIR}/usr/lib/libevent.a
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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
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LIBINTL?= ${DESTDIR}/usr/lib/libintl.a
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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
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LIBMENU?= ${DESTDIR}/usr/lib/libmenu.a
LIBMP?= ${DESTDIR}/usr/lib/libmp.a
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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
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LIBPMC?= ${DESTDIR}/usr/lib/libpmc.a
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LIBPOSIX?= ${DESTDIR}/usr/lib/libposix.a
LIBPTHREAD?= ${DESTDIR}/usr/lib/libpthread.a
LIBPTHREAD_DBG?=${DESTDIR}/usr/lib/libpthread_dbg.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
LIBRT?= ${DESTDIR}/usr/lib/librt.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
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
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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.
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STRIPFLAG The flag passed to the install program to cause the binary
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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.
* Add user-controlled mk.conf variables - SHLIBDIR Location to install shared libraries if ${USE_SHLIBDIR} is "yes". Defaults to "/usr/lib". - USE_SHLIBDIR If "yes", install shared libraries in ${SHLIBDIR} instead of ${LIBDIR}. Defaults to "no". Sets ${_LIBSODIR} to the appropriate value. This may be set by individual Makefiles as well. - SHLINKDIR Location of shared linker. Defaults to "/usr/libexec". If != "/usr/libexec", change the dynamic-linker encoded in shared programs * Set USE_SHLIBDIR for libraries used by /bin and /sbin: libc libcrypt libcrypto libedit libipsec libkvm libm libmi387 libtermcap libutil libz * If ${_LIBSODIR} != ${LIBDIR}, add symlinks from ${LIBDIR}/${LIB}.so* to ${_LIBSODIR}/${LIB}.so* for compatibility. * Always install /sbin/init statically (for now) The net effect of these changes depends on how the variables are set: 1.) If nothing is set or changed, there is no change from the current behaviour: - Static /bin, /sbin, and bits of /usr/* - Dynamic rest - Shared linker is /usr/libexec/ld*so 2.) If the following make variables are set: LDSTATIC= SHLINKDIR=/lib SHLIBDIR=/lib Then the behaviour becomes: - Dynamic tools - .so libraries used by /bin and /sbin are installed to /lib, with symlinks from /usr/lib/lib*so to -> /lib/lib*so where appropriate - Shared linker is /lib/ld*so 3.) As per 2.), but add the following variable: USE_SHLIBDIR=yes This forces all .so's to be instaleld in /lib (with compat symlinks), not just those tagged by their Makefiles to be. Again, compat symlinks are installed
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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:
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MAN= foo.2
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If foo does not have a manual page at all, add the line:
MKMAN= no
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If foo has multiple source files, add the line:
SRCS= a.c b.c c.c d.c
=-=-=-=-= bsd.rpc.mk =-=-=-=-=
The include file <bsd.rpc.mk> contains a makefile fragment used to
construct source files built by rpcgen.
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The following macros may be defined in makefiles which include
<bsd.rpc.mk> in order to control which files get built and how they
are to be built:
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RPC_INCS: construct .h file from .x file
RPC_XDRFILES: construct _xdr.c from .x file
(for marshalling/unmarshalling data types)
RPC_SVCFILES: construct _svc.c from .x file
(server-side stubs)
RPC_SVCFLAGS: Additional flags passed to builds of RPC_SVCFILES.
RPC_XDIR: Directory containing .x/.h files
=-=-=-=-= bsd.shlib.mk =-=-=-=-=
The include file <bsd.shlib.mk> computes parameters for shared library
installation and use. It defines no targets. <bsd.own.mk> MUST be
included before bsd.shlib.mk.
bsd.own.mk sets the following variables, if they are not already defined
(defaults are in brackets):
SHLIBINSTALLDIR If ${USE_SHLIBDIR} is "yes", use ${SHLIBINSTALLDIR} instead of
${LIBDIR} as the base path for shared library installation.
[/lib]
SHLIBDIR The path to USE_SHLIBDIR shared libraries to use when building
a program. [/lib for programs in /bin and /sbin, /usr/lib
for all others.]
_LIBSODIR Set to ${SHLIBINSTALLDIR} if ${USE_SHLIBDIR} is "yes",
otherwise set to ${LIBDIR}
SHLINKINSTALLDIR Base path for shared linker. [/libexec]
SHLINKDIR Path to use for shared linker when building a program.
[/libexec for programs in /bin and /sbin, /usr/libexec for
all others.]
=-=-=-=-= bsd.subdir.mk =-=-=-=-=
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.
=-=-=-=-= bsd.sys.mk =-=-=-=-=
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.
The following variables are defined to commands to perform the
appropriate operation, with the default in [brackets].
(Note that these are overridden in <bsd.own.mk> if USETOOLS=yes):
TOOL_ASN1_COMPILE ASN1 compiler. [asn1_compile]
TOOL_CAP_MKDB Create capability database. [cap_mkdb]
TOOL_CAT Concatenate and print files. [cat]
TOOL_CKSUM Display file checksums. [cksum]
TOOL_COMPILE_ET Error table compiler. [compile_et]
TOOL_CONFIG Build kernel compilation directories. [config]
TOOL_CRUNCHGEN Generate crunched binary build environment. [crunchgen]
TOOL_CTAGS Create a tags file. [ctags]
TOOL_DB Manipulate db(3) databases. [db]
TOOL_EQN Format equations for groff. [eqn]
TOOL_FGEN IEEE 1275 Open Firmware FCode Tokenizer. [fgen]
TOOL_GENCAT Generate NLS message catalogs. [gencat]
TOOL_GROFF Front end for groff document formatting system. [groff]
TOOL_HEXDUMP Ascii, decimal, hexadecimal, octal dump. [hexdump]
TOOL_INDXBIB Make bibliographic database's inverted index. [indxbib]
TOOL_INSTALLBOOT Install disk bootstrap software. [installboot]
TOOL_INSTALL_INFO Update info/dir entries. [install-info]
TOOL_M4 M4 macro language processor. [m4]
TOOL_MAKEFS Create file system image from directory tree. [makefs]
TOOL_MAKEINFO Translate Texinfo documents. [makeinfo]
TOOL_MAKEWHATIS Create a whatis.db database. [makewhatis]
TOOL_MDSETIMAGE Set kernel RAM disk image. [mdsetimage]
TOOL_MENUC Menu compiler. [menuc]
TOOL_MKCSMAPPER Make charset mapping table. [mkcsmapper]
TOOL_MKESDB Make encoding scheme database. [mkesdb]
TOOL_MKLOCALE Make LC_CTYPE locale files. [mklocale]
TOOL_MKMAGIC Create database for file(1). [file]
TOOL_MKTEMP Make (unique) temporary file name. [mktemp]
TOOL_MSGC Simple message list compiler. [msgc]
TOOL_MTREE Map a directory hierarchy. [mtree]
TOOL_PAX Manipulate file archives and copy directories. [pax]
TOOL_PIC Compile pictures for groff. [pic]
TOOL_PREPMKBOOTIMAGE prep-mkbootimage (XXXBUILDSH). [prep-mkbootimage]
TOOL_PWD_MKDB Generate the password databases. [pwd_mkdb]
TOOL_REFER Preprocess bibliographic references for groff. [refer]
TOOL_ROFF_ASCII Generate ASCII groff output. [nroff]
TOOL_ROFF_DVI Generate DVI groff output. [${TOOL_GROFF} -Tdvi]
TOOL_ROFF_HTML Generate HTML groff output.
[${TOOL_GROFF} -Tlatin1 -mdoc2html -P-b -P-o -P-u]
TOOL_ROFF_PS Generate PS groff output. [${TOOL_GROFF} -Tps]
TOOL_ROFF_RAW Generate "raw" groff output. [${TOOL_GROFF} -Z]
TOOL_RPCGEN Remote Procedure Call (RPC) protocol compiler. [rpcgen]
TOOL_SOELIM Eliminate .so's from groff input. [soelim]
TOOL_SUNLABEL Read or modify a SunOS disk label. [sunlabel]
TOOL_TBL Format tables for groff. [tbl]
TOOL_UUDECODE Uudecode a binary file. [uudecode]
TOOL_VGRIND Grind nice listings of programs. [vgrind -f]
TOOL_ZIC Time zone compiler. [zic]
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.
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=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=