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ncursesw: do not in-place overwrite library being used by bash

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Xi Ruoyao 2021-12-04 16:53:16 +08:00
parent 0fc98a07ff
commit 88bbf22f8b
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1 changed files with 16 additions and 6 deletions
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chapter08/ncurses.xml
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@ -97,9 +97,23 @@
<filename>README</filename> file in that directory for further details.
</para>
<para>Install the package:</para>
<!-- To editors: crash of shell process was very rare but really
observed. We can't simply remove /usr/lib/libncursesw.so.6.x like
how we handle libmozjs-xx.so in BLFS because bash needs it, and
make will spawn new shell processes during "make install". -->
<screen><userinput remap="install">make install</userinput></screen>
<para>The installation of this package will overwrite
<filename class="libraryfile">libncursesw.so.&ncurses-version;</filename>
in-place. It may crash the shell process which is using code and data
from the library file. Install the package with
<literal>DESTDIR</literal>, and replace the library file correctly using
<command>install</command> command. A useless static archive which is
not handled by <command>configure</command> is also removed:</para>
<screen><userinput remap="install">make DESTDIR=$PWD/dest install
install -vm755 dest/usr/lib/libncursesw.so.&ncurses-version; /usr/lib
rm -v dest/usr/lib/{libncursesw.so.&ncurses-version;,libncurses++w.a}
cp -av dest/* /</userinput></screen>
<para>Many applications still expect the linker to be able to find
non-wide-character Ncurses libraries. Trick such applications into linking with
@ -119,10 +133,6 @@ done</userinput></screen>
echo "INPUT(-lncursesw)" &gt; /usr/lib/libcursesw.so
ln -sfv libncurses.so /usr/lib/libcurses.so</userinput></screen>
<para>Remove a static library that is not handled by configure:</para>
<screen><userinput remap="install">rm -fv /usr/lib/libncurses++w.a</userinput></screen>
<para>If desired, install the Ncurses documentation:</para>
<screen><userinput remap="install">mkdir -pv /usr/share/doc/ncurses-&ncurses-version;