[02095ae] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?> |
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" |
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| 3 | "http://www.oasis-open.org/docbook/xml/4.4/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-system-man" role="wrap"> |
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| 9 | <?dbhtml filename="man.html"?> |
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| 10 | |
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| 11 | <title>Man-&man-version;</title> |
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| 12 | |
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| 13 | <indexterm zone="ch-system-man"> |
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| 14 | <primary sortas="a-Man">Man</primary> |
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| 15 | </indexterm> |
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| 16 | |
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| 17 | <sect2 role="package"> |
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| 18 | <title/> |
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| 19 | |
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| 20 | <para>The Man package contains programs for finding and viewing man |
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| 21 | pages.</para> |
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| 22 | |
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| 23 | </sect2> |
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| 24 | |
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| 25 | <sect2 role="installation"> |
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| 26 | <title>Installation of Man</title> |
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| 27 | |
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| 28 | <para os="a">A few adjustments need to be made to the sources of Man.</para> |
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| 29 | |
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| 30 | <para os="b">First, a <command>sed</command> substitution is |
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| 31 | needed to add the <option>-R</option> switch to the |
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| 32 | <envar>PAGER</envar> variable so that escape sequences are |
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| 33 | properly handled by Less:</para> |
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| 34 | |
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[3349a3a] | 35 | <screen os="c"><userinput>cp configure{,.orig} |
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| 36 | sed 's@-is@&R@g' configure.orig > configure</userinput></screen> |
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[02095ae] | 37 | |
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| 38 | <para os="d">Another <command>sed</command> substitution comments out the |
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| 39 | <quote>MANPATH /usr/man</quote> line in the <filename>man.conf</filename> |
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| 40 | file to prevent redundant results when using programs such as |
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| 41 | <command>whatis</command>:</para> |
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| 42 | |
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[3349a3a] | 43 | <screen os="e"><userinput>cp src/man.conf.in{,.orig} |
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| 44 | sed 's@MANPATH./usr/man@#&@g' src/man.conf.in.orig > src/man.conf.in</userinput></screen> |
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[02095ae] | 45 | |
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| 46 | <para os="f">Finally, correct a syntax error in the |
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| 47 | <command>makewhatis</command> script:</para> |
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| 48 | |
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[3349a3a] | 49 | <screen os="g"><userinput>cp src/makewhatis.sh{,.orig} |
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| 50 | sed 's@)) |@) |@' src/makewhatis.sh.orig > src/makewhatis.sh</userinput></screen> |
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[02095ae] | 51 | |
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| 52 | <para os="h">Prepare Man for compilation:</para> |
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| 53 | |
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| 54 | <screen os="i"><userinput>./configure -confdir=/etc</userinput></screen> |
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| 55 | |
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| 56 | <variablelist os="j"> |
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| 57 | <title>The meaning of the configure options:</title> |
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| 58 | |
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| 59 | <varlistentry> |
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| 60 | <term><parameter>-confdir=/etc</parameter></term> |
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| 61 | <listitem> |
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| 62 | <para>This tells the <command>man</command> program to look for the |
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| 63 | <filename>man.conf</filename> configuration file in the <filename |
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| 64 | class="directory">/etc</filename> directory.</para> |
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| 65 | </listitem> |
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| 66 | </varlistentry> |
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| 67 | </variablelist> |
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| 68 | |
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| 69 | <para os="k">Build makemsg using the hosts gcc. It is executed during the build</para> |
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| 70 | |
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| 71 | <screen os="l"><userinput>gcc src/makemsg.c -o src/makemsg</userinput></screen> |
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| 72 | |
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| 73 | <para os="m">Compile the package:</para> |
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| 74 | |
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| 75 | <screen os="n"><userinput>make</userinput></screen> |
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| 76 | |
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| 77 | <para os="o">Install the package:</para> |
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| 78 | |
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[586feb7] | 79 | <screen os="p"><userinput>make DESTDIR=${CLFS} install</userinput></screen> |
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[02095ae] | 80 | |
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| 81 | <note os="q"> |
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| 82 | <para>If you will be working on a terminal that does not support |
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| 83 | text attributes such as color and bold, you can disable Select |
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| 84 | Graphic Rendition (SGR) escape sequences by editing the |
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| 85 | <filename>man.conf</filename> file and adding the <option>-c</option> |
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| 86 | option to the <envar>NROFF</envar> variable. If you use multiple |
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| 87 | terminal types for one computer it may be better to selectively add |
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| 88 | the <envar>GROFF_NO_SGR</envar> environment variable for the terminals |
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| 89 | that do not support SGR.</para> |
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| 90 | </note> |
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| 91 | |
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| 92 | <para os="r">If the character set of the locale uses 8-bit characters, search |
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| 93 | for the line beginning with <quote>NROFF</quote> in |
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| 94 | <filename>/etc/man.conf</filename>, and verify that it matches the |
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| 95 | following:</para> |
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| 96 | |
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| 97 | <screen os="s">NROFF /usr/bin/nroff -Tlatin1 -mandoc</screen> |
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| 98 | |
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| 99 | <para os="t">Note that <quote>latin1</quote> should be used even if it is not |
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| 100 | the character set of the locale. The reason is that, according to the |
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| 101 | specification, <command>groff</command> has no means of typesetting |
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| 102 | characters outside International Organization for Standards (ISO) 8859-1 |
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| 103 | without some strange escape codes. When formatting man pages, |
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| 104 | <command>groff</command> thinks that they are in the ISO 8859-1 encoding |
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| 105 | and this <parameter>-Tlatin1</parameter> switch tells |
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| 106 | <command>groff</command> to use the same encoding for output. Since |
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| 107 | <command>groff</command> does no recoding of input characters, the f |
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| 108 | ormatted result is really in the same encoding as input, and therefore |
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| 109 | it is usable as the input for a pager.</para> |
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| 110 | |
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| 111 | <para os="u">This does not solve the problem of a non-working |
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| 112 | <command>man2dvi</command> program for localized man pages in |
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| 113 | non-ISO 8859-1 locales. Also, it does not work with multibyte |
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| 114 | character sets. The first problem does not currently have a solution. |
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| 115 | The second issue is not of concern because the LFS installation does |
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| 116 | not support multibyte character sets.</para> |
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| 117 | |
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| 118 | <para os="v">Additional information with regards to the compression of |
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| 119 | man and info pages can be found in the BLFS book at |
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| 120 | <ulink url="&blfs-root;view/cvs/postlfs/compressdoc.html"/>.</para> |
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| 121 | |
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| 122 | </sect2> |
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| 123 | |
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| 124 | <sect2 id="contents-man" role="content"> |
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| 125 | <title>Contents of Man</title> |
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| 126 | |
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| 127 | <segmentedlist> |
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| 128 | <segtitle>Installed programs</segtitle> |
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| 129 | |
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| 130 | <seglistitem> |
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| 131 | <seg>apropos, makewhatis, man, man2dvi, man2html, and whatis</seg> |
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| 132 | </seglistitem> |
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| 133 | </segmentedlist> |
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| 134 | |
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| 135 | <variablelist> |
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| 136 | <bridgehead renderas="sect3">Short Descriptions</bridgehead> |
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| 137 | <?dbfo list-presentation="list"?> |
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| 138 | <?dbhtml list-presentation="table"?> |
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| 139 | |
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| 140 | <varlistentry id="apropos"> |
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| 141 | <term><command>apropos</command></term> |
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| 142 | <listitem> |
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| 143 | <para>Searches the <command>whatis</command> database and |
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| 144 | displays the short descriptions of system commands that contain |
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| 145 | a given string</para> |
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| 146 | <indexterm zone="ch-system-man apropos"> |
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| 147 | <primary sortas="b-apropos">apropos</primary> |
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| 148 | </indexterm> |
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| 149 | </listitem> |
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| 150 | </varlistentry> |
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| 151 | |
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| 152 | <varlistentry id="makewhatis"> |
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| 153 | <term><command>makewhatis</command></term> |
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| 154 | <listitem> |
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| 155 | <para>Builds the <command>whatis</command> database; it reads all |
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| 156 | the man pages in the <envar>MANPATH</envar> and writes the name |
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| 157 | and a short description in the <command>whatis</command> database |
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| 158 | for each page</para> |
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| 159 | <indexterm zone="ch-system-man makewhatis"> |
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| 160 | <primary sortas="b-makewhatis">makewhatis</primary> |
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| 161 | </indexterm> |
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| 162 | </listitem> |
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| 163 | </varlistentry> |
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| 164 | |
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| 165 | <varlistentry id="man"> |
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| 166 | <term><command>man</command></term> |
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| 167 | <listitem> |
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| 168 | <para>Formats and displays the requested on-line man page</para> |
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| 169 | <indexterm zone="ch-system-man man"> |
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| 170 | <primary sortas="b-man">man</primary> |
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| 171 | </indexterm> |
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| 172 | </listitem> |
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| 173 | </varlistentry> |
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| 174 | |
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| 175 | <varlistentry id="man2dvi"> |
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| 176 | <term><command>man2dvi</command></term> |
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| 177 | <listitem> |
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| 178 | <para>Converts a man page into dvi format</para> |
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| 179 | <indexterm zone="ch-system-man man2dvi"> |
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| 180 | <primary sortas="b-man2dvi">man2dvi</primary> |
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| 181 | </indexterm> |
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| 182 | </listitem> |
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| 183 | </varlistentry> |
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| 184 | |
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| 185 | <varlistentry id="man2html"> |
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| 186 | <term><command>man2html</command></term> |
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| 187 | <listitem> |
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| 188 | <para>Converts a man page into HTML</para> |
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| 189 | <indexterm zone="ch-system-man man2html"> |
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| 190 | <primary sortas="b-man2html">man2html</primary> |
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| 191 | </indexterm> |
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| 192 | </listitem> |
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| 193 | </varlistentry> |
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| 194 | |
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| 195 | <varlistentry id="whatis"> |
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| 196 | <term><command>whatis</command></term> |
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| 197 | <listitem> |
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| 198 | <para>Searches the <command>whatis</command> database and |
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| 199 | displays the short descriptions of system commands that |
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| 200 | contain the given keyword as a separate word</para> |
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| 201 | <indexterm zone="ch-system-man whatis"> |
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| 202 | <primary sortas="b-whatis">whatis</primary> |
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| 203 | </indexterm> |
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| 204 | </listitem> |
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| 205 | </varlistentry> |
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| 206 | |
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| 207 | </variablelist> |
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| 208 | |
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| 209 | </sect2> |
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| 210 | |
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| 211 | </sect1> |
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