diff options
Diffstat (limited to 'chapter06/flex.xml')
-rw-r--r-- | chapter06/flex.xml | 127 |
1 files changed, 33 insertions, 94 deletions
diff --git a/chapter06/flex.xml b/chapter06/flex.xml index bd4bd545f..88e263413 100644 --- a/chapter06/flex.xml +++ b/chapter06/flex.xml @@ -5,7 +5,7 @@ %general-entities; ]> -<sect1 id="ch-system-flex" role="wrap"> +<sect1 id="ch-tools-flex" role="wrap"> <?dbhtml filename="flex.html"?> <sect1info condition="script"> @@ -16,23 +16,25 @@ <title>Flex-&flex-version;</title> - <indexterm zone="ch-system-flex"> + <indexterm zone="ch-tools-flex"> <primary sortas="a-Flex">Flex</primary> + <secondary>tools</secondary> </indexterm> <sect2 role="package"> <title/> - <para>The Flex package contains a utility for generating programs that - recognize patterns in text.</para> + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" + href="../chapter06/flex.xml" + xpointer="xpointer(/sect1/sect2[1]/para[1])"/> <segmentedlist> <segtitle>&buildtime;</segtitle> <segtitle>&diskspace;</segtitle> <seglistitem> - <seg>&flex-ch6-sbu;</seg> - <seg>&flex-ch6-du;</seg> + <seg>&flex-ch5-sbu;</seg> + <seg>&flex-ch5-du;</seg> </seglistitem> </segmentedlist> @@ -41,108 +43,45 @@ <sect2 role="installation"> <title>Installation of Flex</title> -<!-- - <para>First, fix a problem introduced with glibc-2.26:</para> - -<screen><userinput remap="pre">sed -i "/math.h/a #include <malloc.h>" src/flexdef.h</userinput></screen> - - <para>The build procedure assumes the <application>help2man</application> - program is available to create a man page from the executable - -help option. - This is not present, so we use an environment variable to skip this process. - Now, prepare Flex for compilation:</para> --> - <para>Prepare Flex for compilation:</para> -<!-- <screen><userinput remap="configure">HELP2MAN=/tools/bin/true \ --> -<screen><userinput remap="configure">./configure --prefix=/usr --docdir=/usr/share/doc/flex-&flex-version;</userinput></screen> +<screen><userinput remap="configure">./configure --prefix=/usr \ + --docdir=/usr/share/doc/flex-&flex-version;</userinput></screen> + <!-- + <variablelist> + <title>The meaning of the new configure option:</title> + + <varlistentry> + <term><parameter>- -disable-bootstrap</parameter></term> + <listitem> + <para>Normally, building flex is done in two stages. A first + programs, which is used to generate the source of a second one, + which is then compiled. When using cross-compilation, the first + program is generated on the build system. However, due to a bug + in configure, the presence of some function is tested only on the + host system. If this function is not found on the build system, the + build fails. This can be prevented by disabling the two stage + build.</para> + </listitem> + </varlistentry> + </variablelist> + --> <para>Compile the package:</para> <screen><userinput remap="make">make</userinput></screen> - <para>To test the results (about 0.5 SBU), issue:</para> - -<screen><userinput remap="test">make check</userinput></screen> - <para>Install the package:</para> <screen><userinput remap="install">make install</userinput></screen> - <para>A few programs do not know about <command>flex</command> yet and - try to run its predecessor, <command>lex</command>. To support those - programs, create a symbolic link named <filename>lex</filename> that - runs <filename>flex</filename> in <command>lex</command> emulation - mode:</para> - -<screen><userinput remap="install">ln -sv flex /usr/bin/lex</userinput></screen> - </sect2> - <sect2 id="contents-flex" role="content"> - <title>Contents of Flex</title> - - <segmentedlist> - <segtitle>Installed programs</segtitle> - <segtitle>Installed libraries</segtitle> - <segtitle>Installed directory</segtitle> - - <seglistitem> - <seg>flex, flex++ (link to flex), and lex (link to flex)</seg> - <seg>libfl.so</seg> - <seg>/usr/share/doc/flex-&flex-version;</seg> - </seglistitem> - </segmentedlist> - - <variablelist> - <bridgehead renderas="sect3">Short Descriptions</bridgehead> - <?dbfo list-presentation="list"?> - <?dbhtml list-presentation="table"?> - - <varlistentry id="flex"> - <term><command>flex</command></term> - <listitem> - <para>A tool for generating programs that recognize patterns in text; - it allows for the versatility to specify the rules for pattern-finding, - eradicating the need to develop a specialized program</para> - <indexterm zone="ch-system-flex flex"> - <primary sortas="b-flex">flex</primary> - </indexterm> - </listitem> - </varlistentry> - - <varlistentry id="flexpp"> - <term><command>flex++</command></term> - <listitem> - <para>An extension of flex, is used for generating C++ code - and classes. It is a symbolic link to <command>flex</command></para> - <indexterm zone="ch-system-flex flexpp"> - <primary sortas="b-flex++">flex++</primary> - </indexterm> - </listitem> - </varlistentry> - - <varlistentry id="lex"> - <term><command>lex</command></term> - <listitem> - <para>A symbolic link that runs <command>flex</command> in - <command>lex</command> emulation mode</para> - <indexterm zone="ch-system-flex lex"> - <primary sortas="b-lex">lex</primary> - </indexterm> - </listitem> - </varlistentry> - - <varlistentry id="libfl"> - <term><filename class="libraryfile">libfl</filename></term> - <listitem> - <para>The <filename class="libraryfile">flex</filename> library</para> - <indexterm zone="ch-system-flex libfl"> - <primary sortas="c-libfl">libfl</primary> - </indexterm> - </listitem> - </varlistentry> + <sect2 role="content"> + <title/> - </variablelist> + <para>Details on this package are located in + <xref linkend="contents-flex" role="."/></para> </sect2> |