Changes in chapter05/gcc-pass1.xml [e1d233c:3a72ffa]

File:

• chapter05/gcc-pass1.xml (modified) (5 diffs)

chapter05/gcc-pass1.xml

@@ -63 +63 @@
 mv -v mpc-&mpc-version; mpc</userinput></screen>
 
-    <para>On x86_64 hosts, set the default directory name for
+    <para arch="default">On x86_64 hosts, set the default directory name for
     64-bit libraries to <quote>lib</quote>:</para>
 
-<screen><userinput remap="pre">case $(uname -m) in
+<screen arch="default"><userinput remap="pre">case $(uname -m) in
   x86_64)
     sed -e '/m64=/s/lib64/lib/' \
@@ -73 +73 @@
 esac</userinput></screen>
 
+    <para arch="ml_32,ml_x32,ml_all">Change the default directory name for
+    libraries:</para>
+
+<screen arch="ml_32,ml_x32,ml_all"><userinput remap="pre">sed -e '/m64=/s/lib64/lib/' \
+    -e '/m32=/s/m32=.*/m32=..\/lib32$(call if_multiarch,:i386-linux-gnu)/' \
+    -i.orig gcc/config/i386/t-linux64
+</userinput></screen>
+
     <para>The GCC documentation recommends building GCC
     in a dedicated build directory:</para>
@@ -81 +89 @@
     <para>Prepare GCC for compilation:</para>
 
-<screen><userinput remap="configure">../configure                  \
+<screen arch="default"><userinput remap="configure">../configure                  \
     --target=$LFS_TGT         \
     --prefix=$LFS/tools       \
@@ -100 +108 @@
     --disable-libstdcxx       \
     --enable-languages=c,c++</userinput></screen>
+<screen arch="ml_32,ml_x32,ml_all"><userinput remap="configure" 
+    arch="ml_32">mlist=m64,m32</userinput><userinput remap="configure"
+    arch="ml_x32">mlist=m64,mx32</userinput><userinput remap="configure"
+    arch="ml_all">mlist=m64,m32,mx32</userinput>
+<userinput remap="configure">../configure                  \
+    --target=$LFS_TGT                              \
+    --prefix=$LFS/tools                            \
+    --with-glibc-version=&glibc-version;                      \
+    --with-sysroot=$LFS                            \
+    --with-newlib                                  \
+    --without-headers                              \
+    --enable-initfini-array                        \
+    --disable-nls                                  \
+    --disable-shared                               \
+    --enable-multilib --with-multilib-list=$mlist  \
+    --disable-decimal-float                        \
+    --disable-threads                              \
+    --disable-libatomic                            \
+    --disable-libgomp                              \
+    --disable-libquadmath                          \
+    --disable-libssp                               \
+    --disable-libvtv                               \
+    --disable-libstdcxx                            \
+    --enable-languages=c,c++</userinput></screen>
+
     <variablelist>
       <title>The meaning of the configure options:</title>
@@ -142 +175 @@
       </varlistentry>
 
-      <varlistentry>
+      <varlistentry arch="default">
         <term><parameter>--disable-multilib</parameter></term>
         <listitem>
           <para>On x86_64, LFS does not support a multilib configuration.
           This switch is harmless for x86.</para>
+        </listitem>
+      </varlistentry>
+      <varlistentry arch="ml_32,ml_x32,ml_all">
+        <term><parameter>--enable-multilib --with-multilib-list=...</parameter></term>
+        <listitem>
+          <para>LFS canbe used to support multilib. Which they are is
+          specified in the multilib list.</para>
         </listitem>
       </varlistentry>