Changeset 281686f


Ignore:
Timestamp:
Jun 16, 2014, 11:28:06 PM (8 years ago)
Author:
Chris Staub <chris@…>
Branches:
clfs-3.0.0-sysvinit, sysvinit
Children:
8e9526a
Parents:
f6fdcad
git-author:
Chris Staub <chris@…> (06/16/2014 11:27:21 PM)
git-committer:
Chris Staub <chris@…> (06/16/2014 11:28:06 PM)
Message:

More detailed explanatory text in cross-tools File page. Thanks Martin Ward for the reminder

File:
1 edited

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  • BOOK/cross-tools/common/file.xml

    rf6fdcad r281686f  
    2323    <title>Installation of File</title>
    2424
    25     <para>Here we install a native <command>file</command> program that can run
    26     on the host system, as this program is needed by Binutils.</para>
     25    <para>One method that <command>file</command> uses for identifying a given
     26    file is to run <quote>magic tests</quote>, where it compares the file's
     27    contents to data in <quote>magic files</quote>, which contain information
     28    about a number of standard file formats. When File is compiled, it will run
     29    <command>file -C</command> to combine the information from the
     30    magic files in its source tree into a single <filename>magic.mgc</filename>
     31    file, which it will use after it is installed. When we build File in
     32    <xref linkend="chapter-temp-system"/>, it will be cross-compiled, so it
     33    will not be able to run the <command>file</command> program that it just
     34    built, which means that we need one that will run on the host system.</para>
    2735
    2836    <para>Prepare File for compilation:</para>
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