source: chapter05/kernelheaders-inst.xml@ a3f6e124

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Last change on this file since a3f6e124 was 21ba4e3, checked in by Greg Schafer <greg@…>, 21 years ago

Internal markup reworking to fix the extraneous whitespace problem in the "tidy generated" web site pages. Essentially replace all ocurrences of <para><screen> with <screen> (and of course the matching closing tags).

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@2958 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

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1<sect2><title>&nbsp;</title><para>&nbsp;</para></sect2>
2
3<sect2>
4<title>Installation of the kernel headers</title>
5
6<para>As some packages need to refer to the kernel header files, we're going
7to unpack the kernel archive now, set it up, and copy the required files to a
8place where <userinput>gcc</userinput> can later find them.</para>
9
10<para>Prepare for the header installation with:</para>
11
12<screen><userinput>make mrproper</userinput></screen>
13
14<para>This ensures that the kernel tree is absolutely clean. The kernel team
15recommends that this command be issued prior to <emphasis>each</emphasis> kernel
16compilation. You shouldn't rely on the source tree being clean after
17untarring.</para>
18
19<para>Create the <filename>include/linux/version.h</filename> file:</para>
20
21<screen><userinput>make include/linux/version.h</userinput></screen>
22
23<para>Create the platform-specific <filename>include/asm</filename>
24symlink:</para>
25
26<screen><userinput>make symlinks</userinput></screen>
27
28<para>Install the platform-specific header files:</para>
29
30<screen><userinput>mkdir /tools/include/asm
31cp include/asm/* /tools/include/asm
32cp -R include/asm-generic /tools/include</userinput></screen>
33
34<para>Install the cross-platform kernel header files:</para>
35
36<screen><userinput>cp -R include/linux /tools/include</userinput></screen>
37
38<para>There are a few kernel header files which make use of the
39<filename>autoconf.h</filename> header file. Since we do not yet configure the
40kernel, we need to create this file ourselves in order to avoid compilation
41failures. Create an empty <filename>autoconf.h</filename> file:</para>
42
43<screen><userinput>touch /tools/include/linux/autoconf.h</userinput></screen>
44
45</sect2>
46
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