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Merge branch 'trunk' of git.linuxfromscratch.org:lfs into trunk

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Bruce Dubbs 2022-02-15 09:56:39 -06:00
commit 2ff3adaa70
1 changed files with 14 additions and 3 deletions
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17
chapter05/libstdc++.xml
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@ -92,11 +92,22 @@ cd build</userinput></screen>
<varlistentry>
<term><parameter>--with-gxx-include-dir=/tools/$LFS_TGT/include/c++/&gcc-version;</parameter></term>
<listitem>
<para>This is the location where the C++ compiler should search for the
standard include files. In a normal build, this information
<para>This specifies the installation directory for include files.
Because libstdc++ is the standard C++ library for LFS, this
directory should match the location where the C++ compiler
(<command>$LFS_TGT-g++</command>) would search for the
standard C++ include files. In a normal build, this information
is automatically passed to the libstdc++ <command>configure</command>
options from the top level directory. In our case, this information
must be explicitly given.</para>
must be explicitly given.
The C++ compiler will prepend the sysroot path
<filename class="directory">$LFS</filename> (specified building
GCC pass 1) to the include file search path, so it will actually
search in
<filename class="directory">$LFS/tools/$LFS_TGT/include/c++/&gcc-version;</filename>.
The combination of the <parameter>DESTDIR</parameter>
variable (in the <command>make install</command> command below)
and this switch ensures to install the headers there.</para>
</listitem>
</varlistentry>