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git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@2416 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
42 lines
1.7 KiB
XML
42 lines
1.7 KiB
XML
<sect2><title> </title><para> </para></sect2>
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<sect2>
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<title>Installation of Diffutils</title>
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<para>Prepare Diffutils to be compiled:</para>
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<para><screen><userinput>LDFLAGS="-static" CPPFLAGS=-Dre_max_failures=re_max_failures2 \
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./configure --prefix=$LFS/static --disable-nls</userinput></screen></para>
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<para>The meaning of the configure options are:</para>
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<itemizedlist>
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<listitem><para><userinput>LDFLAGS="-static"</userinput>: This is the most
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common way to tell a package that all programs should be statically linked.
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This way the <emphasis>LDFLAGS</emphasis> environment variable is set, but
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only in the subshell that the <filename>configure</filename> script runs
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in. When <userinput>configure</userinput> has done its job, the
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<emphasis>LDFLAGS</emphasis> environment variable won't exist anymore
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and the <filename>Makefile</filename> files contain will contain this
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variable locally.</para></listitem>
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<listitem><para><userinput>CPPFLAGS=-Dre_max_failures=re_max_failures2</userinput>: The <emphasis>CPPFLAGS</emphasis> variable is a variable that's read by
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the cpp program (C PreProcessor). The value of this variable tells the
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preprocessor to replace every instance of <emphasis>re_max_failures</emphasis>
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it finds with <emphasis>re_max_failures2</emphasis> before handing the source
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file to the compiler itself for compilation. This package has problems
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linking statically on systems that run an older Glibc version and this
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construction fixes that problem.</para></listitem>
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</itemizedlist>
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<para>Continue with compiling the package:</para>
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<para><screen><userinput>make</userinput></screen></para>
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<para>And finish off installing the package:</para>
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<para><screen><userinput>make install</userinput></screen></para>
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</sect2>
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