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Diffstat (limited to 'chapter06/flex.xml')
| -rw-r--r-- | chapter06/flex.xml | 47 |
1 files changed, 46 insertions, 1 deletions
diff --git a/chapter06/flex.xml b/chapter06/flex.xml index bf7ddd59f..d202df991 100644 --- a/chapter06/flex.xml +++ b/chapter06/flex.xml @@ -7,6 +7,51 @@ Estimated required disk space: &flex-compsize;</screen> &aa-flex-shortdesc; &aa-flex-dep; -&c6-flex-inst; + +<sect2><title> </title><para> </para></sect2> + +<sect2> +<title>Installation of Flex</title> + +<para>Prepare Flex for compilation:</para> + +<screen><userinput>./configure --prefix=/usr</userinput></screen> + +<para>Compile the package:</para> + +<screen><userinput>make</userinput></screen> + +<para>This package has a test suite available which can perform a number of +checks to ensure it built correctly. Should you choose to run it, the +following command will do so:</para> + +<screen><userinput>make bigcheck</userinput></screen> + +<para>And install the package:</para> + +<screen><userinput>make install</userinput></screen> + +<para>There are some packages that expect to find the Lex library in +<filename>/usr/lib</filename>. Create a symlink to account for this:</para> + +<screen><userinput>ln -s libfl.a /usr/lib/libl.a</userinput></screen> + +<para>A few programs don't know about <userinput>flex</userinput> yet and try +to run its predecessor <userinput>lex</userinput>. To support those programs, +create a shell script named <filename>lex</filename> that calls +<userinput>flex</userinput> in Lex emulation mode:</para> + +<screen><userinput>cat > /usr/bin/lex << "EOF"</userinput> +#!/bin/sh +# Begin /usr/bin/lex + +exec /usr/bin/flex -l "$@" + +# End /usr/bin/lex +<userinput>EOF +chmod 755 /usr/bin/lex</userinput></screen> + +</sect2> </sect1> + |