FreeBSD Bugzilla – Attachment 12524 Details for
Bug 24148
current instructions for kernel building are not clear in some areas
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[patch]
file.diff
file.diff (text/plain), 6.21 KB, created by
dan
on 2001-01-08 10:50:03 UTC
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file.diff
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dan
Created:
2001-01-08 10:50:03 UTC
Size:
6.21 KB
patch
obsolete
>--- chapter.sgml.original Fri Jan 5 17:57:36 2001 >+++ chapter.sgml Fri Jan 5 19:05:48 2001 >@@ -57,7 +57,15 @@ > > <sect1 id="kernelconfig-building"> > <title>Building and Installing a Custom Kernel</title> >+ <para>There are two methods for building a new kernel. Which method >+ you use depends on whether or not you are doing a build world. If >+ you don't know what a "build world" you can safely ignore that method. >+ If you are just modifying your kernel, then you want the standard >+ method. The steps for each method are quite different and will >+ be outlined below.</para> > >+ <sect1 id="kernelconfig-building"> >+ <title>Directory structure</title> > <para>First, let us take a quick tour of the kernel build directory. > All directories mentioned will be relative to the main > <filename>/usr/src/sys</filename> directory, which is also >@@ -77,17 +85,30 @@ > directory structure, with each supported device, filesystem, and > option in its own subdirectory.</para> > >- <note> >- <para>If there is <emphasis>not</emphasis> a >- <filename>/usr/src/sys</filename> directory on your system, then >- the kernel source has not been been installed. The easiest way to >- do this is by running <command>/stand/sysinstall</command> as >- <username>root</username>, choosing <literal>Configure</literal>, >- then <literal>Distributions</literal>, then >- <literal>src</literal>, then <literal>sys</literal>.</para> >- </note> >- >- <para>Next, move to the >+ <sect1 id="kernelconfig-building"> >+ <title>Obtaining the kernel source</title> >+ <para>If there is <emphasis>not</emphasis> a >+ <filename>/usr/src/sys</filename> directory on your system, then >+ the kernel source has not been been installed. The easiest way to >+ do this is by running <command>/stand/sysinstall</command> as >+ <username>root</username>, choosing <literal>Configure</literal>, >+ then <literal>Distributions</literal>, then >+ <literal>src</literal>, then <literal>sys</literal>.</para> >+ >+ <sect1 id="kernelconfig-building"> >+ <title>Modifying the kernel configuration file</title> >+ <para>The installed kernel sources include the configuration file for >+ the GENERIC kernel. This file is named, oddly enough, >+ <filename>GENERIC</filename>. Do not modify this file. By convention, >+ the kernel configuration file name is all upper case. Also included >+ with the kernel source is LINT. This file contains all the >+ kernel configuration options which are possible. Most options have >+ a description of what the option is for and any dependencies. Like >+ <filename>GENERIC</filename>, this file should not be modified.</para> >+ >+ <para>The first step is configuring your kernel is the creation of your >+ kernel configuration file. We will use <filename>GENERIC</filename> >+ as the starting point. Move to the > <filename><replaceable>arch</replaceable>/conf</filename> directory > and copy the <filename>GENERIC</filename> configuration file to the > name you want to give your kernel. For example:</para> >@@ -95,7 +116,7 @@ > <screen>&prompt.root; <userinput>cd /usr/src/sys/i386/conf</userinput> > &prompt.root; <userinput>cp GENERIC MYKERNEL</userinput></screen> > >- <para>Traditionally, this name is in all capital letters and, if you >+ <para>As mentioned above, this name is in all capital letters and, if you > are maintaining multiple FreeBSD machines with different hardware, > it is a good idea to name it after your machine's hostname. We will > call it <filename>MYKERNEL</filename> for the purpose of this >@@ -138,12 +159,14 @@ > for those information than the handbook.</para> > </note> > >- <para>When you are finished, type the following to compile and install >- your kernel if you are using FreeBSD prior FreeBSD 4.0 and don't >- want to upgrade to FreeBSD 4.0 or higher with this step, >- or if you are using a release-version of FreeBSD and your >- <filename>/usr/src/</filename> directory only contains the >- <filename>sys/</filename> sub-directory.</para> >+ <sect1 id="kernelconfig-building"> >+ <title>Compiling your kernel</title> >+ <para>This section contains the default kernel compilation instructions. >+ If you are upgrading from -RELEASE to -STABLE, using FreeBSD 4.0 or >+ above, then the instructions on this section are for you. If you are >+ using before FreeBSD 4.0 and are not upgrading to FreeBSD 4.0 or above, >+ then this section is for you. Otherwise you should read the instructions >+ from the next section to see if they apply to your situation.</para> > > <note> > <para>If you are trying to upgrade your kernel from an older version >@@ -160,6 +183,8 @@ > &prompt.root; <userinput>make</userinput> > &prompt.root; <userinput>make install</userinput></screen> > >+ <sect1 id="kernelconfig-building"> >+ <title>Alternative compilation instructions</title> > <para>If you have just upgraded to a newer version of 4.X or > higher (ie from 3.X to 4-STABLE, or even from 4-STABLE to a > later version of 4-STABLE), make sure you have <link >@@ -173,9 +198,10 @@ > <para>If you have <emphasis>not</emphasis> upgraded your source > tree in any way (you have not run <application>CVSup</application>, > <application>CTM</application>, or used >- <application>anoncvs</application>), then you should use the >- <command>config</command>, <command>make depend</command>, >- <command>make</command>, <command>make install</command> sequence.</para> >+ <application>anoncvs</application>), then you should use the instructions >+ from the previous section. However, if all you did was install >+ the kernel source using cvsup, then the instructions in the previous >+ section should be used.</para> > > <warning> > <para>If you have upgraded your sources since your last kernel >@@ -188,6 +214,8 @@ > sources!</emphasis></para> > </warning> > >+ <sect1 id="kernelconfig-building"> >+ <title>Kernel installation</title> > <para>The new kernel will be copied to the root directory as > <filename>/kernel</filename> and the old kernel will be moved to > <filename>/kernel.old</filename>. Now, shutdown the system and
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bug 24148
: 12524