Changeset 50420218 for chapter06/gcc.xml

Timestamp:

04/28/2013 09:11:44 PM (11 years ago)

Author:

Matthew Burgess <matthew@…>

Branches:

7.5-systemd, 7.6-systemd, 7.7-systemd, 7.8-systemd, 7.9-systemd

Children:

3b60741

Parents:

1026c1ee

Message:

Sync with latest trunk updates

git-svn-id: ​http://svn.linuxfromscratch.org/LFS/branches/systemd/BOOK@10255 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

File:

• chapter06/gcc.xml (modified) (5 diffs)

chapter06/gcc.xml

@@ -42 +42 @@
     <title>Installation of GCC</title>
 
-    <para>Apply a <command>sed</command> substitution that will suppress the
-    installation of <filename class="libraryfile">libiberty.a</filename>. The
-    version of <filename class="libraryfile">libiberty.a</filename> provided by
-    Binutils will be used instead:</para>
-
-<screen><userinput remap="pre">sed -i 's/install_to_$(INSTALL_DEST) //' libiberty/Makefile.in</userinput></screen>
-
-    <para>Again, do not build the .info files. They are broken with the current
-    version of <command>makeinfo</command>.</para>
-
-    <screen><userinput remap="pre">sed -i 's/BUILD_INFO=info/BUILD_INFO=/' gcc/configure</userinput></screen>
-
-
-
     <para>As in <xref linkend="ch-tools-gcc-pass2"/>, apply the following
     <command>sed</command> to force the build to use the
@@ -65 +51 @@
 esac</userinput></screen>
 
+    <para>Workaround a bug so that GCC doesn't install
+    <filename class="libraryfile">libiberty.a</filename>, which is already
+    provided by Binutils:</para>
+
+<screen><userinput remap="pre">sed -i 's/install_to_$(INSTALL_DEST) //' libiberty/Makefile.in</userinput></screen>
+
     <para>Also fix an error in one of the check Makefiles:</para>
 
@@ -77 +69 @@
     <para>Prepare GCC for compilation:</para>
 
-<screen><userinput remap="configure">../gcc-&gcc-version;/configure --prefix=/usr            \
-                       --libexecdir=/usr/lib    \
-                       --enable-shared          \
-                       --enable-threads=posix   \
-                       --enable-__cxa_atexit    \
-                       --enable-clocale=gnu     \
-                       --enable-languages=c,c++ \
-                       --disable-multilib       \
-                       --disable-bootstrap      \
+<screen><userinput remap="configure">../gcc-&gcc-version;/configure --prefix=/usr               \
+                       --libexecdir=/usr/lib       \
+                       --enable-shared             \
+                       --enable-threads=posix      \
+                       --enable-__cxa_atexit       \
+                       --enable-clocale=gnu        \
+                       --enable-languages=c,c++    \
+                       --disable-multilib          \
+                       --disable-bootstrap         \
+                       --disable-install-libiberty \
                        --with-system-zlib</userinput></screen>
 
@@ -96 +89 @@
 
       <varlistentry>
+        <term><parameter>--disable-install-libiberty</parameter></term>
+        <listitem>
+          <para>This prevents GCC from installing its own copy of libiberty,
+          which is already provided by Binutils-&binutils-version;.</para>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry>
         <term><parameter>--with-system-zlib</parameter></term>
         <listitem>
@@ -103 +104 @@
       </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>