version 1.91.2.1, 2011/02/08 16:18:26 |
version 1.101.2.1, 2012/11/20 02:57:26 |
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Environment variables |
Environment variables |
Several environment variables control the behaviour of NetBSD builds. |
Several environment variables control the behaviour of NetBSD builds. |
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HOST_SH Path name to a POSIX-compliant shell. If this is not |
HOST_SH Path name to a shell available on the host system and |
set explicitly, then the default is set using heuris- |
suitable for use during the build. The NetBSD build |
tics dependent on the host platform, or from the shell |
system requires a modern Bourne-like shell with POSIX- |
under which build.sh is executed (if that can be deter- |
compliant features, and also requires support for the |
mined), or using the first copy of sh found in PATH. |
``local'' keyword to declare local variables in shell |
If the host system's /bin/sh is not POSIX-compliant, we |
functions (which is a widely-implemented but non-stan- |
suggest that you build using commands like |
dardised feature). |
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HOST_SH=/path/to/working/shell |
Depending on the host system, a suitable shell may be |
export HOST_SH |
/bin/sh, /usr/xpg4/bin/sh, /bin/ksh (provided it is a |
${HOST_SH} build.sh [options] |
variant of ksh that supports the ``local'' keyword, |
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such as ksh88, but not ksh93), or /usr/local/bin/bash. |
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Most parts of the build require HOST_SH to be an abso- |
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lute path; however, build.sh allows it to be a simple |
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command name, which will be converted to an absolute |
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path by searching the PATH. |
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HOST_CC Path name to C compiler used to create the toolchain. |
HOST_CC Path name to C compiler used to create the toolchain. |
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MAKE Path name to invoke make(1) as. |
MAKE Path name to invoke make(1) as. |
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MAKEFLAGS Flags to invoke make(1) with. |
MAKEFLAGS Flags to invoke make(1) with. Note that build.sh |
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ignores the value of MAKEFLAGS passed in the environ- |
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ment, but allows MAKEFLAGS to be set via the -V option. |
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MAKEOBJDIR Directory to use as the .OBJDIR for the current direc- |
MAKEOBJDIR Directory to use as the .OBJDIR for the current direc- |
tory. The value is subjected to variable expansion by |
tory. The value is subjected to variable expansion by |
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MKCATPAGES Can be set to ``yes'' or ``no''. Indicates whether prefor- |
MKCATPAGES Can be set to ``yes'' or ``no''. Indicates whether prefor- |
matted plaintext manual pages will be created during a build. |
matted plaintext manual pages will be created during a build. |
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Default: ``yes'' |
Default: ``no'' |
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MKCRYPTO Can be set to ``yes'' or ``no''. Indicates whether crypto- |
MKCRYPTO Can be set to ``yes'' or ``no''. Indicates whether crypto- |
graphic code will be included in a build; provided for the |
graphic code will be included in a build; provided for the |
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Default: ``yes'' |
Default: ``yes'' |
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MKKMOD Can be set to ``yes'' or ``no''. Indicates whether kernel |
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modules are built and installed. |
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Default: ``yes'' |
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MKLINT Can be set to ``yes'' or ``no''. Indicates whether lint(1) |
MKLINT Can be set to ``yes'' or ``no''. Indicates whether lint(1) |
will be run against portions of the NetBSD source code during |
will be run against portions of the NetBSD source code during |
the build, and whether lint libraries will be installed into |
the build, and whether lint libraries will be installed into |
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by default at times due to toolchain problems with profiled |
by default at times due to toolchain problems with profiled |
code. |
code. |
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MKREPRO Can be set to ``yes'' or ``no''. Create reproducable builds. |
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This enables different switches to make two builds from the |
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same source tree result in the same build results. |
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Default: ``no'' |
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MKSHARE Can be set to ``yes'' or ``no''. Indicates whether files |
MKSHARE Can be set to ``yes'' or ``no''. Indicates whether files |
destined to reside in DESTDIR/usr/share will be built and |
destined to reside in DESTDIR/usr/share will be built and |
installed during a build. If set to ``no'', then all of |
installed during a build. If set to ``no'', then all of |
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Default: ``yes'' |
Default: ``yes'' |
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MKSTRIPIDENT |
MKSTRIPIDENT |
Can be set to ``yes'' or ``no''. Indicates whether program |
Can be set to ``yes'' or ``no''. Indicates whether RCS IDs, |
binaries and shared libraries should be built to include RCS |
for use with ident(1), should be stripped from program bina- |
IDs for use with ident(1). |
ries and shared libraries. |
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Default: ``no'' |
Default: ``no'' |
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INSTALLWORLDDIR is not the root directory if cross compil- |
INSTALLWORLDDIR is not the root directory if cross compil- |
ing. |
ing. |
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The INSTALLSETS environment variable may be set to a list |
The INSTALLSETS environment variable may be set to a space- |
of distribution sets to be installed, separated by spaces. |
separated list of distribution sets to be installed. By |
By default, all sets except ``etc'' and ``xetc'' are |
default, all sets except ``etc'' and ``xetc'' are |
extracted, so most files in INSTALLWORLDDIR/etc will not |
installed, so most files in INSTALLWORLDDIR/etc will not be |
be installed or modified. |
installed or modified. |
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Note: Before performing this operation with |
Note: Before performing this operation with |
INSTALLWORLDDIR=/, it is highly recommended that you |
INSTALLWORLDDIR=/, it is highly recommended that you |
upgrade your kernel and reboot. After performing this |
upgrade your kernel and reboot. After performing this |
operation, it is recommended that you use etcupdate(8) to |
operation, it is recommended that you use etcupdate(8) to |
update files in INSTALLWORLDDIR/etc and that you use |
update files in INSTALLWORLDDIR/etc, and postinstall(8) to |
postinstall(8) to check for inconsistencies (and possibly |
check for or fix inconsistencies. |
to fix them). |
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sets Create distribution sets from DESTDIR into |
sets Create distribution sets from DESTDIR into |
RELEASEDIR/RELEASEMACHINEDIR/binary/sets. Should be run |
RELEASEDIR/RELEASEMACHINEDIR/binary/sets. Should be run |
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ity, which is not part of NetBSD, but which can be |
ity, which is not part of NetBSD, but which can be |
installed from pkgsrc/sysutils/cdrtools. |
installed from pkgsrc/sysutils/cdrtools. |
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install-image |
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Create a bootable NetBSD installation disk image in the |
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RELEASEDIR/RELEASEMACHINEDIR/installation/installimage |
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directory. The installation disk image is suitable for |
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copying to bootable USB flash memory sticks, etc., for |
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machines which are able to boot from such devices. The |
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file system in the bootable disk image will have a layout |
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as described in release(7). |
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The installation image is bootable, and will automatically |
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run the sysinst(8) menu-based installation program, which |
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can be used to install or upgrade a NetBSD system. The |
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image also contains tools that may be useful in repairing a |
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damaged NetBSD installation. |
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Before ``make install-image'' is attempted, RELEASEDIR must |
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be populated by ``make release'' or equivalent. The build |
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must have been performed with MKUNPRIVED=yes because ``make |
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install-image'' relies on information in DESTDIR/METALOG. |
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live-image Create NetBSD live images in the |
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RELEASEDIR/RELEASEMACHINEDIR/installation/liveimage direc- |
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tory. The live image contains all necessary files to boot |
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NetBSD up to multi-user mode, including all files which |
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should be extracted during installation, NetBSD disklabel, |
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bootloaders, etc. |
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The live image is suitable for use as a disk image in vir- |
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tual machine environments such as QEMU, and also useful to |
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boot NetBSD from a USB flash memory stick on a real |
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machine, without the need for installation. |
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Before ``make live-image'' is attempted, RELEASEDIR must be |
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populated by ``make release'' or equivalent. The build |
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must have been performed with MKUNPRIVED=yes because ``make |
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install-image'' relies on information in DESTDIR/METALOG. |
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regression-tests |
regression-tests |
Can only be run after building the regression tests in the |
Can only be run after building the regression tests in the |
directory ``regress''. Runs those compiled regression |
directory ``regress''. Runs those compiled regression |
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those as well but currently does not. |
those as well but currently does not. |
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The "build.sh" script |
The "build.sh" script |
This script file is a Bourne shell script designed to build the entire |
This script file is a shell script designed to build the entire NetBSD |
NetBSD system on any host with a Bourne shell in /bin/sh, including many |
system on any host with a suitable modern shell and some common utili- |
that are not POSIX compliant. Note that if a host system's /bin/sh is |
ties. The required shell features are described under the HOST_SH vari- |
unusually old and broken, the Korn Shell (/bin/ksh), if available, may be |
able. |
a usable alternative. |
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If a host system's default shell does support the required features, then |
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we suggest that you explicitly specify a suitable shell using a command |
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like |
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/path/to/suitable/shell build.sh [options] |
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The above command will usually enable build.sh to automatically set |
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HOST_SH=/path/to/suitable/shell, but if that fails, then the following |
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set of commands may be used instead: |
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HOST_SH=/path/to/suitable/shell |
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export HOST_SH |
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${HOST_SH} build.sh [options] |
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If build.sh detects that it is being executed under an unsuitable shell, |
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it attempts to exec a suitable shell instead, or prints an error message. |
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If HOST_SH is not set explicitly, then build.sh sets a default using |
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heuristics dependent on the host platform, or from the shell under which |
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build.sh is executed (if that can be determined), or using the first copy |
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of sh found in PATH. |
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All cross-compile builds, and most native builds, of the entire system |
All cross-compile builds, and most native builds, of the entire system |
should make use of build.sh rather than just running ``make''. This way, |
should make use of build.sh rather than just running ``make''. This way, |
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iso-image-source |
iso-image-source |
Perform ``make iso-image-source''. |
Perform ``make iso-image-source''. |
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install-image |
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Perform ``make install-image''. |
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live-image Perform ``make live-image''. |
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The following command line options alter the behaviour of the build.sh |
The following command line options alter the behaviour of the build.sh |
operations described above: |
operations described above: |
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The build.sh based build scheme was introduced for NetBSD 1.6 as |
The build.sh based build scheme was introduced for NetBSD 1.6 as |
USE_NEW_TOOLCHAIN, and re-worked to TOOLCHAIN_MISSING after that. |
USE_NEW_TOOLCHAIN, and re-worked to TOOLCHAIN_MISSING after that. |
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NetBSD May 1, 2009 NetBSD |
NetBSD September 19, 2012 NetBSD |