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env: set CONFIG_SITE to prevent potential contamination from host distro

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git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@12045 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
This commit is contained in:
Xi Ruoyao 2020-09-04 07:38:44 +00:00
parent b6e393b2cf
commit df77b24d1d
1 changed files with 15 additions and 2 deletions
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17
chapter04/settingenviron.xml
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@ -46,7 +46,8 @@ LFS_TGT=$(uname -m)-lfs-linux-gnu
PATH=/usr/bin
if [ ! -L /bin ]; then PATH=/bin:$PATH; fi
PATH=$LFS/tools/bin:$PATH
export LFS LC_ALL LFS_TGT PATH</literal>
CONFIG_SITE=$LFS/usr/share/config.site
export LFS LC_ALL LFS_TGT PATH CONFIG_SITE</literal>
EOF</userinput></screen>
<variablelist>
@ -144,7 +145,19 @@ EOF</userinput></screen>
</varlistentry>
<varlistentry>
<term><parameter>export LFS LC_ALL LFS_TGT PATH</parameter></term>
<term><parameter>CONFIG_SITE=$LFS/usr/share/config.site</parameter></term>
<listitem>
<para>In <xref linkend="chapter-cross-tools"/> and
<xref linkend="chapter-temporary-tools"/>, if this variable is not set,
<command>configure</command> scripts
will attempt to load configuration from
<filename>/usr/share/config.site</filename> of the host system. Override
it to prevent potential contamination from host.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>export ...</parameter></term>
<listitem>
<para>While the above commands have set some variables, in order
to make them visible within any sub-shells, we export them.</para>