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chroot: Set MAKEFLAGS and TESTSUITEFLAGS for parallelism

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Xi Ruoyao 2023-09-11 14:42:45 +08:00
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chapter07/chroot.xml
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@ -23,8 +23,21 @@
TERM="$TERM" \ TERM="$TERM" \
PS1='(lfs chroot) \u:\w\$ ' \ PS1='(lfs chroot) \u:\w\$ ' \
PATH=/usr/bin:/usr/sbin \ PATH=/usr/bin:/usr/sbin \
MAKEFLAGS="-j<replaceable>$(nproc)</replaceable>" \
TESTSUITEFLAGS="-j<replaceable>$(nproc)</replaceable>" \
/bin/bash --login</userinput></screen> /bin/bash --login</userinput></screen>
<para>
Again, replace <replaceable>$(nproc)</replaceable> with the number
of logical cores you want to use for building packages in this chapter
and the following chapters if you don't want to use all available
logical cores. The test suites of some packages (notably Autoconf,
Libtool, and Tar) in &ch-final; are not affected by
<envar>MAKEFLAGS</envar>, they use a <envar>TESTSUITEFLAGS</envar>
environment variable instead. So we set it here as well for running
these test suites with multiple cores.
</para>
<para>The <parameter>-i</parameter> option given to the <command>env</command> <para>The <parameter>-i</parameter> option given to the <command>env</command>
command will clear all the variables in the chroot environment. After that, only command will clear all the variables in the chroot environment. After that, only
the <envar>HOME</envar>, <envar>TERM</envar>, <envar>PS1</envar>, and the <envar>HOME</envar>, <envar>TERM</envar>, <envar>PS1</envar>, and