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## <a name="Table_of_Contents"> Table of Contents </a>
%TOC%
This is a brief Building OSKit Mach HowTO. It covers everything from getting the latest sources of both the [OSKit](http://www.cs.utah.edu/flux/oskit/) and the OSKit branch of the GNUmach kernel. There is also [another guide](http://www.etherhogz.org/doc/oskit-mach.html). Down to building and debugging them. On May 27 after the [[GnuMach]] 1.3 release, Roland McGrath merged OSKit Mach in the [[GnuMach]] 2.x mainline.
To be able to actually make use of your recently checked out CVS version of the GNUMach kernel & C:o you need a GNU system of [gnu-20020816.tar.gz](ftp://ftp.funet.fi/pub/gnu/alpha/gnu/hurd/contrib/marcus/gnu-20020816.tar.gz) or later.
## <a name="Getting_your_hands_on_the_source"> Getting your hands on the source </a>
First you need to checkout the relevant sources.
### <a name="Accessing_the_FLUX_groups_CVS_or"> </a> Accessing the FLUX groups' CVS, or FTP
You can use either the bleeding edge OSKit from CVS, or the latest public release. The latter is preferrable!
**_CVS:_**
CVSROOT=":pserver:anoncvs@leak.cs.utah.edu:/cvs"
CVS_RSH=ssh
cvs -z3 co oskit
**_FTP:_** St. Patricks day 2002 release: <ftp://flux.cs.utah.edu/flux/oskit/oskit-20020317.tar.gz>
Valentine's day 2001 release: <ftp://flux.cs.utah.edu/flux/oskit/oskit-20010214.tar.gz>
### <a name="Accessing_the_GNU_CVS"> </a> Accessing the GNU CVS
The recommended document for accessing the Hurd CVS on [Savannah](http://savannah.gnu.org) is at
This is only a brief restatement, which may ormay not be accurate. Setup your environment with the CVSROOT variable. How you do this may differ between shells.
CVSROOT=":pserver:anoncvs@anoncvs.gnu.org:/cvsroot/hurd"
**_Gnu Mach:_**
All development, apart from critical bug fixes, is done on the upcoming 2.0 release. Previously the oskit-branch of gnumach.
cvs -z3 co gnumach
In case you have been tracking the oskit-branch and want to move to the current HEAD branch you can issue the following instead to update your tree.
cd <YOUR MACH DIR>
cvs -z3 update -r HEAD -Pd
Where <YOUR MACH DIR> can be gnumach, oskit-mach, or similar.
**_The Hurd servers:_**
In case you want to build the Hurd servers as well, you can check them out too:
cvs -z3 co hurd
**_Inteface generator:_**
See the [[Mig/MachInterfaceGenerator]] for more information.
Check it out using
cvs -z3 co mig
## <a name="Building"> Building </a>
### <a name="The_OSKit"> </a> The OSKit
The attached [[ATTACHURLmodulesx86pc]] is an example setup, your needs may vary but this one works for standard COTS PC's. Now, how to configure and build the OSKit.
**_Configuring:_**
# cd oskit-20020317/
# mkdir build
# cd build
# CFLAGS="-g" ../configure --prefix=/usr/local --enable-debug
**_Building:_**
# make
# sudo make install
### <a name="OSKit_Mach"> </a> OSKit Mach
To build any Mach kernel you need an interface generator, a mig. If your host system is Debian based you can get the "Cheap cross-compuler for GNU/Hurd" with a simple:
$ apt-get gcc-i386-gnu
This will install the i386-gnu-mig in /usr/bin for you.
**_Configuring:_**
# cd oskit-mach
# mkdir build
# cd build
# CFLAGS="-g" MIG=i386-gnu-mig OSKIT_LIBDIR=/usr/local/lib/oskit ../configure --prefix=/gnu --enable-debug
_I think this is a bug that you have to specify $prefix/lib/oskit as OSKIT\_LIBDIR. Libdir is usually just $prefix/lib._ -- [[Main/MichalSuchanek]]
_I think not. The $prefix variable in autoconf comes from the --prefix option to configure, that in turn is intended as the prefix path to the installation of the package you are configuring, i.e. oskit-mach and **NOT** the OSKit itself_ -- [[Main/JoachimNilsson]]
_I refer to the $prefix value at the time oskit is built. Of course, you can choose a different prefix for oskit-mach._ -- [[Main/MichalSuchanek]]
_I see, it was not that clear the context of your first comment, well anyhow when reality changes so will this page. :)\__ -- [[Main/JoachimNilsson]]
**_Building:_**
# make kernel-ide+ethernet_vortex
# sudo make install
# sudo gzip /gnu/boot/oskit-mach
Instead of using \`make kernel' to build kernel, in OSKit-Mach you have to use \`make kernel-DRIVERS', where DRIVERS is \`DRIVER+DRIVER+...+DRIVER' (a list of drivers separated by \`+'). DRIVER can be one of:
* \`ide'
* \`floppy'
* \`ethernet\_ETHDRV' where ETHDRV is taken from 'oskit/oskit/dev/linux\_ethernet.h'.
* \`scsi\_SCSIDRV' where SCSIDRV is taken from \`oskit/oskit/dev/linux\_scsi.h'.
## <a name="Debugging"> Debugging </a>
For now, see the [[RemoteDebugOskitMach]] page.
## <a name="Attachments"> Attachments </a>
* [[ATTACHURLmodulesx86pc]]: Modules to build in OSKit
----
First version. -- [[Main/JoachimNilsson]] - 14 May 2002
Updated by: -- [[Main/LuisBustamante]] - 04 Jun 2002
Moving from oskit-branch to HEAD. -- [[Main/JoachimNilsson]] - 05 Jun 2002
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