gronod/lfs
1
0
Fork 0
mirror of https://git.linuxfromscratch.org/lfs.git synced 2025-03-06 06:14:47 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add notes to the gcc and binutils sections in Chapter 6

Browse Source 
about "link time optimization" and the extra files built by gcc.


git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@10024 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
This commit is contained in:
Bruce Dubbs 2012-10-15 19:27:20 +00:00
parent 6baa19d558
commit e0901b3e48
3 changed files with 66 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
chapter01/changelog.xml
View File

@ -39,6 +39,12 @@
<listitem>
<para>2012-10-15</para>
<itemizedlist>
<listitem>
<para>[bdubbs] - Add notes to the gcc and binutils
sections in Chapter 6 about "link time optimization"
and the extra files built by gcc. Fixes
<ulink url="&lfs-ticket-root;3200">#3200</ulink>.</para>
</listitem>
<listitem>
<para>[bdubbs] - Upgrade to tzdata-2012f. Fixes
<ulink url="&lfs-ticket-root;3205">#3205</ulink>.</para>

7
chapter06/binutils.xml
View File

@ -78,6 +78,13 @@ cd ../binutils-build</userinput></screen>
<screen><userinput remap="configure">../binutils-&binutils-version;/configure --prefix=/usr --enable-shared</userinput></screen>
<note><para>There is an optional argument to <command>configure</command>,
<option>--enable-lto</option>, that can be used to allow the
<command>ar</command>, <command>nm</command>, and <command>ranlib</command>
commands to accept a <option>--plugin</option> parameter. This is used to
allow <command>gcc</command> to do "link time optimization" if specified.
No packages in LFS or BLFS currently use this capability.</para></note>
<para>Compile the package:</para>
<screen><userinput remap="make">make tooldir=/usr</userinput></screen>

54
chapter06/gcc.xml
View File

@ -96,6 +96,16 @@ cd ../gcc-build</userinput></screen>
</varlistentry>
</variablelist>
<note>
<para>There is an optional argument to <command>configure</command>,
<option>--enable-lto</option>, that can be used to allow
<command>gcc</command> to do do "link time optimization" if specified. No
packages in LFS or BLFS currently use this capability.</para>
<para>To use this feature, it must also be enabled in
<application>binutils</application>.</para>
</note>
<para>Compile the package:</para>
<screen><userinput remap="make">make</userinput></screen>
@ -301,11 +311,14 @@ mv -v /usr/lib/*gdb.py /usr/share/gdb/auto-load/usr/lib</userinput></screen>
<segtitle>Installed directories</segtitle>
<seglistitem>
<seg>c++, cc (link to gcc), cpp, g++, gcc, gccbug, and gcov</seg>
<seg>c++, cc (link to gcc), cpp, g++, gcc,
gcc-ar, gcc-nm, gcc-ranlib, gccbug, and gcov</seg>
<seg>libgcc.a, libgcc_eh.a, libgcc_s.so, libgcov.a, libgomp.{a,so},
liblto_plugin.so, libmudflap.{a,so}, libmudflapth.{a,so},
libquadmath.{a,so}, libssp.{a,so},
libssp_nonshared.a, libstdc++.{a,so} and libsupc++.a</seg>
<seg>/usr/include/c++, /usr/lib/gcc, /usr/share/gcc-&gcc-version;</seg>
</seglistitem>
</segmentedlist>
@ -366,6 +379,45 @@ mv -v /usr/lib/*gdb.py /usr/share/gdb/auto-load/usr/lib</userinput></screen>
</listitem>
</varlistentry>
<varlistentry id="gcc-ar">
<term><command>gcc-ar</command></term>
<listitem>
<para>A wrapper around <command>ar</command> that adds a
plugin to the command line. This program is only used
to add "link time optization" and is not useful with the
default build options.</para>
<indexterm zone="ch-system-gcc gcc-ar">
<primary sortas="b-gcc-ar">gc-ar</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="gcc-nm">
<term><command>gcc-nm</command></term>
<listitem>
<para>A wrapper around <command>nm</command> that adds a
plugin to the command line. This program is only used
to add "link time optization" and is not useful with the
default build options.</para>
<indexterm zone="ch-system-gcc gcc-nm">
<primary sortas="b-gcc-nm">gc-nm</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="gcc-ranlib">
<term><command>gcc-ranlib</command></term>
<listitem>
<para>A wrapper around <command>ranlib</command> that adds a
plugin to the command line. This program is only used
to add "link time optization" and is not useful with the
default build options.</para>
<indexterm zone="ch-system-gcc gcc-ranlib">
<primary sortas="b-gcc-ranlib">gc-ranlib</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="gccbug">
<term><command>gccbug</command></term>
<listitem>