1 | <?xml version="1.0" encoding="UTF-8"?>
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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4 | <!ENTITY % general-entities SYSTEM "../general.ent">
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5 | %general-entities;
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6 | ]>
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7 |
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8 | <sect1 id="ch-tools-ncurses" role="wrap">
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9 | <?dbhtml filename="ncurses.html"?>
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10 |
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11 | <sect1info condition="script">
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12 | <productname>ncurses</productname>
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13 | <productnumber>&ncurses-version;</productnumber>
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14 | <address>&ncurses-url;</address>
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15 | </sect1info>
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16 |
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17 | <title>Ncurses-&ncurses-version;</title>
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18 |
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19 | <indexterm zone="ch-tools-ncurses">
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20 | <primary sortas="a-Ncurses">Ncurses</primary>
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21 | <secondary>tools</secondary>
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22 | </indexterm>
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23 |
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24 | <sect2 role="package">
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25 | <title/>
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26 |
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27 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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28 | href="../chapter08/ncurses.xml"
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29 | xpointer="xpointer(/sect1/sect2[1]/para[1])"/>
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30 |
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31 | <segmentedlist>
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32 | <segtitle>&buildtime;</segtitle>
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33 | <segtitle>&diskspace;</segtitle>
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34 |
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35 | <seglistitem>
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36 | <seg>&ncurses-tmp-sbu;</seg>
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37 | <seg>&ncurses-tmp-du;</seg>
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38 | </seglistitem>
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39 | </segmentedlist>
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40 |
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41 | </sect2>
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42 |
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43 | <sect2 role="installation">
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44 | <title>Installation of Ncurses</title>
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45 |
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46 | <para>First, ensure that <command>gawk</command> is found first during configuration:</para>
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47 |
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48 | <screen><userinput remap="pre">sed -i s/mawk// configure</userinput></screen>
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49 |
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50 | <para>Then, run the following commands to build the <quote>tic</quote>
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51 | program on the build host:</para>
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52 |
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53 | <screen><userinput remap="pre">mkdir build
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54 | pushd build
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55 | ../configure
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56 | make -C include
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57 | make -C progs tic
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58 | popd</userinput></screen>
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59 |
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60 | <para>Prepare Ncurses for compilation:</para>
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61 |
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62 | <screen><userinput remap="configure">./configure --prefix=/usr \
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63 | --host=$LFS_TGT \
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64 | --build=$(./config.guess) \
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65 | --mandir=/usr/share/man \
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66 | --with-manpage-format=normal \
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67 | --with-shared \
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68 | --without-normal \
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69 | --with-cxx-shared \
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70 | --without-debug \
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71 | --without-ada \
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72 | --disable-stripping</userinput></screen>
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73 |
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74 | <variablelist>
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75 | <title>The meaning of the new configure options:</title>
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76 |
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77 | <varlistentry>
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78 | <term><parameter>--with-manpage-format=normal</parameter></term>
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79 | <listitem>
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80 | <para>This prevents Ncurses from installing compressed manual
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81 | pages, which may happen if the host distribution itself
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82 | has compressed manual pages.</para>
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83 | </listitem>
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84 | </varlistentry>
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85 |
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86 | <varlistentry>
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87 | <term><parameter>--with-shared</parameter></term>
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88 | <listitem>
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89 | <para>This makes Ncurses build and install shared C libraries.</para>
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90 | </listitem>
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91 | </varlistentry>
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92 |
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93 | <varlistentry>
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94 | <term><parameter>--without-normal</parameter></term>
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95 | <listitem>
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96 | <para>This prevents Ncurses from building and installing static C
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97 | libraries.</para>
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98 | </listitem>
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99 | </varlistentry>
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100 |
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101 | <varlistentry>
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102 | <term><parameter>--without-debug</parameter></term>
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103 | <listitem>
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104 | <para>This prevents Ncurses from building and installing debug
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105 | libraries.</para>
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106 | </listitem>
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107 | </varlistentry>
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108 |
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109 | <varlistentry>
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110 | <term><parameter>--with-cxx-shared</parameter></term>
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111 | <listitem>
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112 | <para>This makes Ncurses build and install shared C++ bindings. It
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113 | also prevents it building and installing static C++ bindings.</para>
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114 | </listitem>
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115 | </varlistentry>
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116 |
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117 | <varlistentry>
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118 | <term><parameter>--without-ada</parameter></term>
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119 | <listitem>
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120 | <para>This ensures that Ncurses does not build support for the Ada
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121 | compiler, which may be present on the host but will not be available
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122 | once we enter the <command>chroot</command> environment.</para>
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123 | </listitem>
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124 | </varlistentry>
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125 |
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126 | <varlistentry>
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127 | <term><parameter>--disable-stripping</parameter></term>
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128 | <listitem>
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129 | <para>This switch prevents the building system from
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130 | using the <command>strip</command> program from the host.
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131 | Using host tools on cross-compiled programs can cause failure.</para>
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132 | </listitem>
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133 | </varlistentry>
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134 | <!-- this is the default >= 6.5
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135 | <varlistentry>
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136 | <term><parameter>- -enable-widec</parameter></term>
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137 | <listitem>
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138 | <para>This switch causes wide-character libraries (e.g., <filename
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139 | class="libraryfile">libncursesw.so.&ncurses-version;</filename>)
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140 | to be built instead of normal ones (e.g., <filename
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141 | class="libraryfile">libncurses.so.&ncurses-version;</filename>).
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142 | These wide-character libraries are usable in both multibyte and
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143 | traditional 8-bit locales, while normal libraries work properly
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144 | only in 8-bit locales. Wide-character and normal libraries are
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145 | source-compatible, but not binary-compatible.</para>
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146 | </listitem>
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147 | </varlistentry>
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148 | -->
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149 | </variablelist>
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150 |
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151 | <para>Compile the package:</para>
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152 |
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153 | <screen><userinput remap="make">make</userinput></screen>
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154 |
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155 | <para>Install the package:</para>
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156 |
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157 | <screen><userinput remap="install">make DESTDIR=$LFS TIC_PATH=$(pwd)/build/progs/tic install
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158 | ln -sv libncursesw.so $LFS/usr/lib/libncurses.so
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159 | sed -e 's/^#if.*XOPEN.*$/#if 1/' \
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160 | -i $LFS/usr/include/curses.h</userinput></screen>
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161 | <!--
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162 | <para>Remove an unneeded static library not handled by
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163 | <command>configure</command>:</para>
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164 |
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165 | <screen><userinput remap="install">rm -v $LFS/usr/lib/libncurses++w.a</userinput></screen>
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166 | -->
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167 | <variablelist>
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168 | <title>The meaning of the install options:</title>
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169 |
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170 | <varlistentry>
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171 | <term><parameter>TIC_PATH=$(pwd)/build/progs/tic</parameter></term>
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172 | <listitem>
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173 | <para>We need to pass the path of the newly built
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174 | <command>tic</command> program that runs on the building machine, so
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175 | the terminal database can be created without errors.</para>
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176 | </listitem>
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177 | </varlistentry>
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178 |
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179 | <varlistentry>
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180 | <term><command>ln -sv libncursesw.so $LFS/usr/lib/libncurses.so</command></term>
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181 | <listitem>
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182 | <para>The <filename>libncurses.so</filename> library is needed by
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183 | a few packages we will build soon. We create this symlink to use
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184 | <filename>libncursesw.so</filename> as a replacement.</para>
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185 | </listitem>
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186 | </varlistentry>
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187 |
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188 | <varlistentry>
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189 | <term><command>sed -e 's/^#if.*XOPEN.*$/#if 1/' ...</command></term>
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190 | <listitem>
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191 | <para>The header file <filename>curses.h</filename> contains
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192 | the definition of various Ncurses data structures. With different
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193 | preprocessor macro definitions two different sets of the data
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194 | structure definition may be used: the 8-bit definition is
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195 | compatible with <filename>libncurses.so</filename> and the
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196 | wide-character definition is compatible with
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197 | <filename>libncursesw.so</filename>. Since we are using
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198 | <filename>libncursesw.so</filename> as a replacement of
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199 | <filename>libncurses.so</filename>, edit the header file so it
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200 | will always use the wide-character data structure definition
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201 | compatible with <filename>libncursesw.so</filename>.</para>
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202 | </listitem>
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203 | </varlistentry>
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204 |
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205 | </variablelist>
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206 |
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207 | </sect2>
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208 |
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209 | <sect2 role="content">
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210 | <title/>
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211 |
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212 | <para>Details on this package are located in
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213 | <xref linkend="contents-ncurses" role="."/></para>
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214 |
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215 | </sect2>
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216 |
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217 | </sect1>
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