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Diffstat (limited to 'chapter06/kernel-exp.xml')
| -rw-r--r-- | chapter06/kernel-exp.xml | 38 |
1 files changed, 18 insertions, 20 deletions
diff --git a/chapter06/kernel-exp.xml b/chapter06/kernel-exp.xml index cb9352c25..ed087d4f0 100644 --- a/chapter06/kernel-exp.xml +++ b/chapter06/kernel-exp.xml @@ -1,38 +1,36 @@ <sect2> <title>Command explanations</title> -<para><userinput>ln -s /static/bin/pwd /bin/pwd</userinput>: The kernel -source hard-wires the path to <filename>pwd</filename> to be -<filename>/bin/pwd</filename> so we create a temporary symlink to deal with -it.</para> +<para><userinput>ln -s /static/bin/pwd /bin/pwd</userinput>: In the kernel +source, the path to the <filename>pwd</filename> program is hard-wired as +<filename>/bin/pwd</filename>, so we create a temporary symlink to account +for that. At the end we remove it again.</para> -<para><userinput>make mrproper:</userinput> This will ensure that the kernel -tree is absolutely clean. We do this because the kernel team recommend -that this is done prior to <emphasis>each</emphasis> kernel compilation, -and that we shouldn't rely on the source tree being automatically clean -after untarring.</para> +<para><userinput>make mrproper</userinput>: This ensures that the kernel +tree is absolutely clean. The kernel team recommends that this command be +issued prior to <emphasis>each</emphasis> kernel compilation, and that you +shouldn't rely on the source tree being clean after untarring.</para> <para><userinput>make include/linux/version.h</userinput> and <userinput>make symlinks</userinput>: This creates the -<filename>include/linux/version.h</filename>, as well as the <filename -class="symlink">include/asm</filename> symlink.</para> +<filename>include/linux/version.h</filename> file and the platform-specific +<filename class="symlink">include/asm</filename> symlink.</para> <para><userinput>mkdir /usr/include/asm</userinput> , <userinput>cp include/asm/* /usr/include/asm</userinput> and -<userinput>cp include/asm-generic /usr/include</userinput>: -This copies the platform-specific assembler kernel header files to +<userinput>cp -R include/asm-generic /usr/include</userinput>: +These commands copy the platform-specific assembler kernel header files to <filename class="directory">/usr/include/asm</filename> and <filename -class="directory">/usr/include/asm-generic</filename></para> +class="directory">/usr/include/asm-generic</filename>.</para> <para><userinput>cp -R include/linux /usr/include</userinput>: This command copies the cross-platform kernel header files to -<filename>/usr/include</filename></para> +<filename>/usr/include</filename>.</para> -<para><userinput>touch /usr/include/linux/autoconf.h</userinput>: Some -kernel header files include this <filename>autoconf.h</filename> file, but -outside the Linux source tree, that file has no meaning so we just create -an empty one so we don't get compile errors whenever it happens to be a -dependency of another kernel header file.</para> +<para><userinput>touch /usr/include/linux/autoconf.h</userinput>: This +creates an empty <filename>autoconf.h</filename> file. As we do not yet +configure the kernel, we have to create this file ourselves for those few +kernel header files that make use of it, to avoid compilation failures.</para> </sect2> |