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@@ -80,16 +80,6 @@ Ask your system administrator to create more.</computeroutput></screen>
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<screen><userinput remap="pre">cp -v gcc/Makefile.in{,.orig}
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sed 's@\./fixinc\.sh@-c true@' gcc/Makefile.in.orig > gcc/Makefile.in</userinput></screen>
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- <para>The bootstrap build performed in <xref linkend="ch-tools-gcc-pass1"/>
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- built GCC with the <option>-fomit-frame-pointer</option> compiler flag.
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- Non-bootstrap builds omit this flag by default, so apply the following
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- <command>sed</command> to use it in order to ensure consistent compiler
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- builds:</para>
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-
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-<screen><userinput remap="pre">cp -v gcc/Makefile.in{,.tmp}
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-sed 's/^XCFLAGS =$/& -fomit-frame-pointer/' gcc/Makefile.in.tmp \
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- > gcc/Makefile.in</userinput></screen>
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-
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<para>The following command will change the location of GCC's default
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dynamic linker to use the one we installed in
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<filename class="directory">/tools</filename>. It also removes <filename
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@@ -146,8 +136,7 @@ cd ../gcc-build</userinput></screen>
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--with-local-prefix=/tools --enable-clocale=gnu \
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--enable-shared --enable-threads=posix \
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--enable-__cxa_atexit --enable-languages=c,c++ \
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- --disable-libstdcxx-pch --disable-multilib \
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- --disable-bootstrap</userinput></screen>
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+ --disable-libstdcxx-pch --disable-multilib</userinput></screen>
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<variablelist>
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<title>The meaning of the new configure options:</title>
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@@ -202,25 +191,18 @@ cd ../gcc-build</userinput></screen>
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</listitem>
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</varlistentry>
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- <varlistentry>
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- <term><parameter>--disable-bootstrap</parameter></term>
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- <listitem>
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- <para>Bootstrapping the compiler is now the default for GCC. However,
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- our build method should provide us with a solid compiler without the
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- need to bootstrap each time.</para>
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- </listitem>
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- </varlistentry>
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-
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</variablelist>
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- <para>Compile the package:</para>
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+ <para>The following command will compile GCC not once, but several times. It
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+ uses the programs compiled in a first round to compile itself a second time,
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+ and then again a third time. It then compares these second and third compiles
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+ to make sure it can reproduce itself flawlessly. This is called
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+ <quote>bootstrapping</quote>. Building GCC in this way ensures that it was
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+ compiled correctly and is now the default configuration for the released
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+ package. Continue with compiling by running:</para>
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<screen><userinput remap="make">make</userinput></screen>
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- <para>There is no need to use the <parameter>bootstrap</parameter> target
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- now because the compiler being used to compile this GCC was built from
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- the exact same version of the GCC sources used earlier.</para>
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-
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<para>Compilation is now complete. As previously mentioned, running the test
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suites for the temporary tools compiled in this chapter is not mandatory.
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To run the GCC test suite anyway, use the following command:</para>
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Jeremy Huntwork