diff options
| -rw-r--r-- | chapter01/changelog.xml | 6 | ||||
| -rw-r--r-- | chapter06/binutils.xml | 7 | ||||
| -rw-r--r-- | chapter06/gcc.xml | 54 |
3 files changed, 66 insertions, 1 deletions
diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml index de556e53d..074394e8f 100644 --- a/chapter01/changelog.xml +++ b/chapter01/changelog.xml @@ -40,6 +40,12 @@ <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> </listitem> diff --git a/chapter06/binutils.xml b/chapter06/binutils.xml index 28144969d..b3f5d7675 100644 --- a/chapter06/binutils.xml +++ b/chapter06/binutils.xml @@ -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> diff --git a/chapter06/gcc.xml b/chapter06/gcc.xml index 54cdad060..e6909b7df 100644 --- a/chapter06/gcc.xml +++ b/chapter06/gcc.xml @@ -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> |