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whatsnew: Update for GCC 13.1

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And let's discourage reusing scripts.
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Xi Ruoyao 2023-05-08 19:10:33 +08:00
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chapter01/whatsnew.xml
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@ -11,13 +11,25 @@
<title>What's new since the last release</title>
<para>In the 11.3 release, <parameter>--enable-default-pie</parameter>
and <parameter>--enable-default-ssp</parameter> are enabled for GCC.
These techniques can mitigate some malicious attacks, but they do not provide
perfect security. Note that some textbooks assume these options are
disabled, so that if you run examples from such a textbook on an LFS system,
you may need to disable PIE and SSP with the GCC options
<parameter>-fno-pie -no-pie -fno-stack-protection</parameter>.</para>
<caution>
<para>
During a development cycle of LFS, the instructions in the book is
often modified to adapt for a package update or take the advantage of
new features from updated packages. Mixing up the instructions of
different versions of the LFS book can cause subtle breakages. This
kind of issue is generally a result from reusing some script created
for a prior LFS release. Such a reuse is strongly discouraged. If
you are reusing scripts for a prior LFS release for any reason, you'll
need to be very careful to update the scripts to match current version
of the LFS book.
</para>
</caution>
<para>In the 11.4 release, <parameter>--disable-fixincludes</parameter>
is set for GCC. It's a configure switch newly added in GCC 13.1 to
prevent GCC from <quote>fixing</quote> the system headers. Such a
<quote>fix</quote> is unnecessary for a modern Linux system and may cause
issues if a package is updated after installing GCC.</para>
<para>Here is a list of the packages updated since the previous
release of LFS.</para>