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<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
<!ENTITY % general-entities SYSTEM "../general.ent">
%general-entities;
]>
<sect1 id="ch-tools-ncurses" role="wrap">
<?dbhtml filename="ncurses.html"?>
<sect1info condition="script">
<productname>ncurses</productname>
<productnumber>&ncurses-version;</productnumber>
<address>&ncurses-url;</address>
</sect1info>
<title>Ncurses-&ncurses-version;</title>
<indexterm zone="ch-tools-ncurses">
<primary sortas="a-Ncurses">Ncurses</primary>
<secondary>tools</secondary>
</indexterm>
<sect2 role="package">
<title/>
<xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
href="../chapter08/ncurses.xml"
xpointer="xpointer(/sect1/sect2[1]/para[1])"/>
<segmentedlist>
<segtitle>&buildtime;</segtitle>
<segtitle>&diskspace;</segtitle>
<seglistitem>
<seg>&ncurses-tmp-sbu;</seg>
<seg>&ncurses-tmp-du;</seg>
</seglistitem>
</segmentedlist>
</sect2>
<sect2 role="installation">
<title>Installation of Ncurses</title>
<para>First, ensure that <command>gawk</command> is found first during configuration:</para>
<screen><userinput remap="pre">sed -i s/mawk// configure</userinput></screen>
<para>Then, run the following commands to build the <quote>tic</quote>
program on the build host:</para>
<screen><userinput remap="pre">mkdir build
pushd build
../configure
make -C include
make -C progs tic
popd</userinput></screen>
<para>Prepare Ncurses for compilation:</para>
<screen><userinput remap="configure">./configure --prefix=/usr \
--host=$LFS_TGT \
--build=$(./config.guess) \
--mandir=/usr/share/man \
--with-manpage-format=normal \
--with-shared \
--without-debug \
--without-ada \
--without-normal \
--disable-stripping \
--enable-widec</userinput></screen>
<variablelist>
<title>The meaning of the new configure options:</title>
<varlistentry>
<term><parameter>--with-manpage-format=normal</parameter></term>
<listitem>
<para>This prevents Ncurses installing compressed manual
pages, which may happen if the host distribution itself
has compressed manual pages.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>--without-ada</parameter></term>
<listitem>
<para>This ensures that Ncurses does not build support for the Ada
compiler which may be present on the host but will not be available
once we enter the <command>chroot</command> environment.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>--disable-stripping</parameter></term>
<listitem>
<para>This switch prevents the building system from stripping
the programs using <command>strip</command> program from the host.
Using host tools on cross-compiled program can cause failure.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>--enable-widec</parameter></term>
<listitem>
<para>This switch causes wide-character libraries (e.g., <filename
class="libraryfile">libncursesw.so.&ncurses-version;</filename>)
to be built instead of normal ones (e.g., <filename
class="libraryfile">libncurses.so.&ncurses-version;</filename>).
These wide-character libraries are usable in both multibyte and
traditional 8-bit locales, while normal libraries work properly
only in 8-bit locales. Wide-character and normal libraries are
source-compatible, but not binary-compatible.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>--without-normal</parameter></term>
<listitem>
<para>This switch disables building and installing most static libraries.
</para>
</listitem>
</varlistentry>
</variablelist>
<para>Compile the package:</para>
<screen><userinput remap="make">make</userinput></screen>
<para>Install the package:</para>
<screen><userinput remap="install">make DESTDIR=$LFS TIC_PATH=$(pwd)/build/progs/tic install
echo "INPUT(-lncursesw)" > $LFS/usr/lib/libncurses.so</userinput></screen>
<para>Remove an unneeded static library not handled by
<command>configure</command>:</para>
<screen><userinput remap="install">rm -v /usr/lib/libncurses++w.a</userinput></screen>
<variablelist>
<title>The meaning of the install options:</title>
<varlistentry>
<term><parameter>TIC_PATH=$(pwd)/build/progs/tic</parameter></term>
<listitem>
<para>We need to pass the path of the just built
<command>tic</command> able to run on the building machine, so that
the terminal database can be created without errors.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><command>echo "INPUT(-lncursesw)" > $LFS/usr/lib/libncurses.so</command></term>
<listitem>
<para>The <filename>libncurses.so</filename> library is needed by
a few packages we will build soon. We create this small linker
script, as this is what is done in <xref
linkend="chapter-building-system"/>.</para>
</listitem>
</varlistentry>
</variablelist>
</sect2>
<sect2 role="content">
<title/>
<para>Details on this package are located in
<xref linkend="contents-ncurses" role="."/></para>
</sect2>
</sect1>
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