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Add note about symlink reqt in Host Requirements

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Add simple compilation check in Host Requirements

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@8583 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
This commit is contained in:
Bruce Dubbs 2008-10-05 23:13:55 +00:00
parent f950b79712
commit e4ab23261c
1 changed files with 16 additions and 4 deletions
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20
prologue/hostreqs.xml
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@ -22,7 +22,7 @@
<listitem>
<para><emphasis role="strong">Bash-2.05a</emphasis> (/bin/sh
must be a symbolic or hard link to bash)</para>
should be a symbolic or hard link to bash)</para>
</listitem>
<listitem>
@ -33,7 +33,7 @@
<listitem>
<para><emphasis role="strong">Bison-1.875</emphasis> (/usr/bin/yacc
must be a link to bison or small script that executes bison)</para>
should be a link to bison or small script that executes bison)</para>
</listitem>
<listitem>
@ -55,7 +55,7 @@
<listitem>
<para><emphasis role="strong">Gawk-3.0</emphasis> (/usr/bin/awk
must be a link to gawk)</para>
should be a link to gawk)</para>
</listitem>
<listitem>
@ -128,7 +128,16 @@
</itemizedlist>
<para>To see whether your host system has all the appropriate versions, run the following:</para>
<para>Note that the symlinks mentioned above are required to build an LFS
system using the instructions contained within this book. Symlinks that
point to other software (such as dash, mawk, etc.) may work, but are not
tested or supported by the LFS development team, and may require either
deviation from the instructions or additional patches to some
packages.</para>
<para>To see whether your host system has all the appropriate versions, and
ability to compile programs, run
the following:</para>
<screen role="nodump"><userinput>cat &gt; version-check.sh &lt;&lt; "EOF"
<literal>#!/bin/bash
@ -160,6 +169,9 @@ echo Perl `perl -V:version`
sed --version | head -n1
tar --version | head -n1
makeinfo --version | head -n1
echo 'main(){}' > dummy.c &amp;&amp; gcc -o dummy dummy.c
if [ -x dummy ]; then echo "Compilation OK"; else echo "Compilation failed"; fi
rm -f dummy.c dummy
</literal>
EOF