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Diffstat (limited to 'chapter05/binutils-pass1.xml')
| -rw-r--r-- | chapter05/binutils-pass1.xml | 59 |
1 files changed, 14 insertions, 45 deletions
diff --git a/chapter05/binutils-pass1.xml b/chapter05/binutils-pass1.xml index 6644c2250..2c8a5ab73 100644 --- a/chapter05/binutils-pass1.xml +++ b/chapter05/binutils-pass1.xml @@ -41,7 +41,7 @@ </sect2> <sect2 role="installation"> - <title>Installation of Binutils</title> + <title>Installation of Cross Binutils</title> <para>It is important that Binutils be the first package compiled because both Glibc and GCC perform various tests on the available @@ -70,19 +70,20 @@ cd ../binutils-build</userinput></screen> <para>Now prepare Binutils for compilation:</para> -<screen><userinput remap="configure">CC="gcc -B/usr/bin/" ../binutils-&binutils-version;/configure \ - --prefix=/tools --disable-nls --disable-werror</userinput></screen> +<screen><userinput remap="configure">../binutils-&binutils-version;/configure \ + --target=$LFS_TGT --prefix=/tools \ + --disable-nls --disable-werror</userinput></screen> <variablelist> <title>The meaning of the configure options:</title> <varlistentry> - <term><envar>CC="gcc -B/usr/bin/"</envar></term> + <term><envar>--target=$LFS_TGT</envar></term> <listitem> - <para>This forces <command>gcc</command> to prefer the linker from - the host in <filename class="directory">/usr/bin</filename>. This - is necessary on some hosts where the new <command>ld</command> - built here is not compatible with the host's <command>gcc</command>. + <para>Because the machine description in the <envar>LFS_TGT</envar> + variable is slightly different than the value returned by the + config.guess script, this switch will tell the configure script to + adjust Binutil's build system for building a cross linker. </para> </listitem> </varlistentry> @@ -124,49 +125,17 @@ cd ../binutils-build</userinput></screen> tests at this point are minimal since the programs from this first pass will soon be replaced by those from the second.</para> - <para>Create a symlink to ensure the sanity of our toolchain:</para> + <para>If building on x86_64, create a symlink to ensure the sanity of + the toolchain:</para> -<screen><userinput remap="install">mkdir -v /tools/lib -ln -sv lib /tools/lib64</userinput></screen> +<screen><userinput remap="install">case $(uname -m) in + x86_64) mkdir -v /tools/lib && ln -sv lib /tools/lib64 ;; +esac</userinput></screen> <para>Install the package:</para> <screen><userinput remap="install">make install</userinput></screen> - <para>Finally, prepare the linker for the <quote>Adjusting</quote> phase - later on:</para> - -<screen><userinput remap="adjust">make -C ld clean -make -C ld LIB_PATH=/tools/lib -cp -v ld/ld-new /tools/bin</userinput></screen> - - <variablelist> - <title>The meaning of the make parameters:</title> - - <varlistentry> - <term><parameter>-C ld clean</parameter></term> - <listitem> - <para>This tells the make program to remove all compiled - files in the <filename class="directory">ld</filename> - subdirectory.</para> - </listitem> - </varlistentry> - - <varlistentry> - <term><parameter>-C ld LIB_PATH=/tools/lib</parameter></term> - <listitem> - <para>This option rebuilds everything in the <filename - class="directory">ld</filename> subdirectory. Specifying the - <envar>LIB_PATH</envar> Makefile variable on the command line - allows us to override the default value and point it to the - temporary tools location. The value of this variable specifies - the linker's default library search path. This preparation is - used later in the chapter.</para> - </listitem> - </varlistentry> - - </variablelist> - </sect2> <sect2 role="content"> |