| 1 | <?xml version="1.0" encoding="utf-8" ?>
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| 2 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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| 3 | <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
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| 4 | <head>
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| 5 | <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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| 6 | <meta name="generator" content="Docutils 0.4: http://docutils.sourceforge.net/" />
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| 7 | <title>kmk Quick Reference</title>
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| 8 | <style type="text/css">
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| 9 |
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| 10 | /*
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| 11 | :Author: David Goodger
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| 12 | :Contact: goodger@users.sourceforge.net
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| 13 | :Date: $Date: 2008-12-30 17:07:09 +0000 (Tue, 30 Dec 2008) $
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| 14 | :Revision: $Revision: 2169 $
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| 15 | :Copyright: This stylesheet has been placed in the public domain.
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| 16 |
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| 17 | Default cascading style sheet for the HTML output of Docutils.
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| 18 |
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| 19 | See http://docutils.sf.net/docs/howto/html-stylesheets.html for how to
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| 20 | customize this style sheet.
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| 21 | */
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| 22 |
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| 23 | /* used to remove borders from tables and images */
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| 24 | .borderless, table.borderless td, table.borderless th {
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| 25 | border: 0 }
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| 26 |
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| 27 | table.borderless td, table.borderless th {
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| 28 | /* Override padding for "table.docutils td" with "! important".
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| 29 | The right padding separates the table cells. */
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| 30 | padding: 0 0.5em 0 0 ! important }
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| 31 |
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| 32 | .first {
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| 33 | /* Override more specific margin styles with "! important". */
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| 34 | margin-top: 0 ! important }
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| 35 |
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| 36 | .last, .with-subtitle {
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| 37 | margin-bottom: 0 ! important }
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| 38 |
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| 39 | .hidden {
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| 40 | display: none }
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| 41 |
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| 42 | a.toc-backref {
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| 43 | text-decoration: none ;
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| 44 | color: black }
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| 45 |
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| 46 | blockquote.epigraph {
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| 47 | margin: 2em 5em ; }
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| 48 |
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| 49 | dl.docutils dd {
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| 50 | margin-bottom: 0.5em }
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| 51 |
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| 52 | /* Uncomment (and remove this text!) to get bold-faced definition list terms
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| 53 | dl.docutils dt {
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| 54 | font-weight: bold }
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| 55 | */
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| 56 |
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| 57 | div.abstract {
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| 58 | margin: 2em 5em }
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| 59 |
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| 60 | div.abstract p.topic-title {
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| 61 | font-weight: bold ;
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| 62 | text-align: center }
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| 63 |
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| 64 | div.admonition, div.attention, div.caution, div.danger, div.error,
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| 65 | div.hint, div.important, div.note, div.tip, div.warning {
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| 66 | margin: 2em ;
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| 67 | border: medium outset ;
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| 68 | padding: 1em }
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| 69 |
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| 70 | div.admonition p.admonition-title, div.hint p.admonition-title,
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| 71 | div.important p.admonition-title, div.note p.admonition-title,
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| 72 | div.tip p.admonition-title {
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| 73 | font-weight: bold ;
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| 74 | font-family: sans-serif }
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| 75 |
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| 76 | div.attention p.admonition-title, div.caution p.admonition-title,
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| 77 | div.danger p.admonition-title, div.error p.admonition-title,
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| 78 | div.warning p.admonition-title {
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| 79 | color: red ;
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| 80 | font-weight: bold ;
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| 81 | font-family: sans-serif }
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| 82 |
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| 83 | /* Uncomment (and remove this text!) to get reduced vertical space in
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| 84 | compound paragraphs.
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| 85 | div.compound .compound-first, div.compound .compound-middle {
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| 86 | margin-bottom: 0.5em }
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| 87 |
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| 88 | div.compound .compound-last, div.compound .compound-middle {
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| 89 | margin-top: 0.5em }
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| 90 | */
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| 91 |
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| 92 | div.dedication {
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| 93 | margin: 2em 5em ;
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| 94 | text-align: center ;
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| 95 | font-style: italic }
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| 96 |
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| 97 | div.dedication p.topic-title {
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| 98 | font-weight: bold ;
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| 99 | font-style: normal }
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| 100 |
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| 101 | div.figure {
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| 102 | margin-left: 2em ;
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| 103 | margin-right: 2em }
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| 104 |
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| 105 | div.footer, div.header {
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| 106 | clear: both;
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| 107 | font-size: smaller }
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| 108 |
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| 109 | div.line-block {
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| 110 | display: block ;
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| 111 | margin-top: 1em ;
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| 112 | margin-bottom: 1em }
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| 113 |
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| 114 | div.line-block div.line-block {
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| 115 | margin-top: 0 ;
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| 116 | margin-bottom: 0 ;
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| 117 | margin-left: 1.5em }
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| 118 |
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| 119 | div.sidebar {
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| 120 | margin-left: 1em ;
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| 121 | border: medium outset ;
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| 122 | padding: 1em ;
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| 123 | background-color: #ffffee ;
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| 124 | width: 40% ;
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| 125 | float: right ;
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| 126 | clear: right }
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| 127 |
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| 128 | div.sidebar p.rubric {
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| 129 | font-family: sans-serif ;
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| 130 | font-size: medium }
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| 131 |
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| 132 | div.system-messages {
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| 133 | margin: 5em }
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| 134 |
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| 135 | div.system-messages h1 {
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| 136 | color: red }
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| 137 |
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| 138 | div.system-message {
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| 139 | border: medium outset ;
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| 140 | padding: 1em }
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| 141 |
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| 142 | div.system-message p.system-message-title {
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| 143 | color: red ;
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| 144 | font-weight: bold }
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| 145 |
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| 146 | div.topic {
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| 147 | margin: 2em }
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| 148 |
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| 149 | h1.section-subtitle, h2.section-subtitle, h3.section-subtitle,
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| 150 | h4.section-subtitle, h5.section-subtitle, h6.section-subtitle {
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| 151 | margin-top: 0.4em }
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| 152 |
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| 153 | h1.title {
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| 154 | text-align: center }
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| 155 |
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| 156 | h2.subtitle {
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| 157 | text-align: center }
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| 158 |
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| 159 | hr.docutils {
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| 160 | width: 75% }
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| 161 |
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| 162 | img.align-left {
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| 163 | clear: left }
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| 164 |
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| 165 | img.align-right {
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| 166 | clear: right }
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| 167 |
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| 168 | ol.simple, ul.simple {
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| 169 | margin-bottom: 1em }
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| 170 |
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| 171 | ol.arabic {
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| 172 | list-style: decimal }
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| 173 |
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| 174 | ol.loweralpha {
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| 175 | list-style: lower-alpha }
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| 176 |
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| 177 | ol.upperalpha {
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| 178 | list-style: upper-alpha }
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| 179 |
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| 180 | ol.lowerroman {
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| 181 | list-style: lower-roman }
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| 182 |
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| 183 | ol.upperroman {
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| 184 | list-style: upper-roman }
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| 185 |
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| 186 | p.attribution {
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| 187 | text-align: right ;
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| 188 | margin-left: 50% }
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| 189 |
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| 190 | p.caption {
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| 191 | font-style: italic }
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| 192 |
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| 193 | p.credits {
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| 194 | font-style: italic ;
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| 195 | font-size: smaller }
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| 196 |
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| 197 | p.label {
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| 198 | white-space: nowrap }
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| 199 |
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| 200 | p.rubric {
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| 201 | font-weight: bold ;
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| 202 | font-size: larger ;
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| 203 | color: maroon ;
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| 204 | text-align: center }
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| 205 |
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| 206 | p.sidebar-title {
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| 207 | font-family: sans-serif ;
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| 208 | font-weight: bold ;
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| 209 | font-size: larger }
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| 210 |
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| 211 | p.sidebar-subtitle {
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| 212 | font-family: sans-serif ;
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| 213 | font-weight: bold }
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| 214 |
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| 215 | p.topic-title {
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| 216 | font-weight: bold }
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| 217 |
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| 218 | pre.address {
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| 219 | margin-bottom: 0 ;
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| 220 | margin-top: 0 ;
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| 221 | font-family: serif ;
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| 222 | font-size: 100% }
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| 223 |
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| 224 | pre.literal-block, pre.doctest-block {
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| 225 | margin-left: 2em ;
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| 226 | margin-right: 2em ;
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| 227 | background-color: #eeeeee }
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| 228 |
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| 229 | span.classifier {
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| 230 | font-family: sans-serif ;
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| 231 | font-style: oblique }
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| 232 |
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| 233 | span.classifier-delimiter {
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| 234 | font-family: sans-serif ;
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| 235 | font-weight: bold }
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| 236 |
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| 237 | span.interpreted {
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| 238 | font-family: sans-serif }
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| 239 |
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| 240 | span.option {
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| 241 | white-space: nowrap }
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| 242 |
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| 243 | span.pre {
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| 244 | white-space: pre }
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| 245 |
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| 246 | span.problematic {
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| 247 | color: red }
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| 248 |
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| 249 | span.section-subtitle {
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| 250 | /* font-size relative to parent (h1..h6 element) */
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| 251 | font-size: 80% }
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| 252 |
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| 253 | table.citation {
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| 254 | border-left: solid 1px gray;
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| 255 | margin-left: 1px }
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| 256 |
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| 257 | table.docinfo {
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| 258 | margin: 2em 4em }
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| 259 |
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| 260 | table.docutils {
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| 261 | margin-top: 0.5em ;
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| 262 | margin-bottom: 0.5em }
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| 263 |
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| 264 | table.footnote {
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| 265 | border-left: solid 1px black;
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| 266 | margin-left: 1px }
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| 267 |
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| 268 | table.docutils td, table.docutils th,
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| 269 | table.docinfo td, table.docinfo th {
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| 270 | padding-left: 0.5em ;
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| 271 | padding-right: 0.5em ;
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| 272 | vertical-align: top }
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| 273 |
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| 274 | table.docutils th.field-name, table.docinfo th.docinfo-name {
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| 275 | font-weight: bold ;
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| 276 | text-align: left ;
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| 277 | white-space: nowrap ;
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| 278 | padding-left: 0 }
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| 279 |
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| 280 | h1 tt.docutils, h2 tt.docutils, h3 tt.docutils,
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| 281 | h4 tt.docutils, h5 tt.docutils, h6 tt.docutils {
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| 282 | font-size: 100% }
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| 283 |
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| 284 | tt.docutils {
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| 285 | background-color: #eeeeee }
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| 286 |
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| 287 | ul.auto-toc {
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| 288 | list-style-type: none }
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| 289 |
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| 290 | </style>
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| 291 | </head>
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| 292 | <body>
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| 293 | <div class="document" id="kmk-quick-reference">
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| 294 | <h1 class="title">kmk Quick Reference</h1>
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| 295 | <p>This is an attempt at summarizing all directives, functions, special variables,
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| 296 | special targets, built-in commands, external commands, and <tt class="docutils literal"><span class="pre">kmk</span></tt>-expressions.
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| 297 | Since <em>all</em> the features are included, the quickness of this reference can be
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| 298 | disputed. ;-)</p>
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| 299 | <p>Features that are</p>
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| 300 | <div class="section">
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| 301 | <h1><a id="directives" name="directives">Directives</a></h1>
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| 302 | <p>Here is a summary of the directives <tt class="docutils literal"><span class="pre">kmk</span></tt> recognizes:</p>
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| 303 | <blockquote>
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| 304 | <p>Define a multi-line, recursively-expanded variable:</p>
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| 305 | <pre class="literal-block">
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| 306 | define variable
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| 307 | endef
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| 308 | </pre>
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| 309 | <p>Conditionally evaluate part of the makefile:</p>
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| 310 | <pre class="literal-block">
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| 311 | ifdef variable
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| 312 | ifndef variable
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| 313 | ifeq (a,b)
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| 314 | ifeq "a" "b"
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| 315 | ifeq 'a' 'b'
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| 316 | ifneq (a,b)
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| 317 | ifneq "a" "b"
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| 318 | ifneq 'a' 'b'
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| 319 | if1of (set-a,set-b) [1]
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| 320 | ifn1of (set-a,set-b) [1]
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| 321 | if expression [1]
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| 322 | else
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| 323 | endif
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| 324 | </pre>
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| 325 | <p>Include another makefile:</p>
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| 326 | <pre class="literal-block">
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| 327 | include file
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| 328 | -include file
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| 329 | sinclude file
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| 330 | </pre>
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| 331 | <p>Include another dependency file <a class="footnote-reference" href="#id15" id="id1" name="id1">[1]</a>:</p>
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| 332 | <pre class="literal-block">
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| 333 | includedep file
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| 334 | </pre>
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| 335 | <p>Define a variable, overriding any previous definition, even one from the
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| 336 | command line:</p>
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| 337 | <pre class="literal-block">
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| 338 | override variable = value
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| 339 | override variable := value
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| 340 | override variable += value
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| 341 | override variable <= value [1]
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| 342 | override variable ?= value
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| 343 | override define variable
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| 344 | endef
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| 345 | </pre>
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| 346 | <p>Tell <tt class="docutils literal"><span class="pre">kmk</span></tt> to export all variables to child processes by default:</p>
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| 347 | <pre class="literal-block">
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| 348 | export
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| 349 | </pre>
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| 350 | <p>Tell <tt class="docutils literal"><span class="pre">kmk</span></tt> whether or not to export a particular variable to child
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| 351 | processes:</p>
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| 352 | <pre class="literal-block">
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| 353 | export variable
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| 354 | export variable = value
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| 355 | export variable := value
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| 356 | export variable += value
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| 357 | export variable <= value [1]
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| 358 | export variable ?= value
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| 359 | unexport variable
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| 360 | </pre>
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| 361 | <p>Define a variable in the local context instead of the global one <a class="footnote-reference" href="#id15" id="id2" name="id2">[1]</a>:</p>
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| 362 | <pre class="literal-block">
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| 363 | local variable = value
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| 364 | local variable := value
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| 365 | local variable += value
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| 366 | local variable <= value
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| 367 | local variable ?= value
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| 368 | local define variable
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| 369 | endef
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| 370 | </pre>
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| 371 | <p>Specify a search path for files matching a <tt class="docutils literal"><span class="pre">%</span></tt> pattern:</p>
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| 372 | <pre class="literal-block">
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| 373 | vpath pattern path
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| 374 | </pre>
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| 375 | <p>Remove all search paths previously specified for pattern:</p>
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| 376 | <pre class="literal-block">
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| 377 | vpath pattern
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| 378 | </pre>
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| 379 | <p>Remove all search paths previously specified in any vpath directive:</p>
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| 380 | <pre class="literal-block">
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| 381 | vpath
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| 382 | </pre>
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| 383 | </blockquote>
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| 384 | </div>
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| 385 | <div class="section">
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| 386 | <h1><a id="automatic-variables" name="automatic-variables">Automatic variables</a></h1>
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| 387 | <p>Here is a summary of the automatic variables.</p>
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| 388 | <table border="1" class="docutils">
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| 389 | <colgroup>
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| 390 | <col width="14%" />
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| 391 | <col width="86%" />
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| 392 | </colgroup>
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| 393 | <thead valign="bottom">
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| 394 | <tr><th class="head">Variable</th>
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| 395 | <th class="head">Description</th>
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| 396 | </tr>
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| 397 | </thead>
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| 398 | <tbody valign="top">
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| 399 | <tr><td><tt class="docutils literal"><span class="pre">$@</span></tt></td>
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| 400 | <td>The file name of the target.</td>
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| 401 | </tr>
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| 402 | <tr><td><tt class="docutils literal"><span class="pre">$<</span></tt></td>
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| 403 | <td>The name of the first prerequisite.</td>
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| 404 | </tr>
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| 405 | <tr><td><tt class="docutils literal"><span class="pre">$?</span></tt></td>
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| 406 | <td>The names of all the prerequisites that are newer than the
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| 407 | target, with spaces between them.</td>
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| 408 | </tr>
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| 409 | <tr><td><tt class="docutils literal"><span class="pre">$^</span></tt></td>
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| 410 | <td>The names of all the prerequisites, duplicates omitted.</td>
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| 411 | </tr>
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| 412 | <tr><td><tt class="docutils literal"><span class="pre">$+</span></tt></td>
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| 413 | <td>The names of all the prerequisites, duplicates and order
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| 414 | preserved</td>
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| 415 | </tr>
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| 416 | <tr><td><tt class="docutils literal"><span class="pre">$*</span></tt></td>
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| 417 | <td>The stem with which an implicit rule matches.</td>
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| 418 | </tr>
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| 419 | <tr><td><tt class="docutils literal"><span class="pre">$|</span></tt></td>
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| 420 | <td>The name of all the order only prerequisites.</td>
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| 421 | </tr>
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| 422 | <tr><td><tt class="docutils literal"><span class="pre">$(@D)</span></tt></td>
|
|---|
| 423 | <td>The directory part of <tt class="docutils literal"><span class="pre">$@</span></tt>.</td>
|
|---|
| 424 | </tr>
|
|---|
| 425 | <tr><td><tt class="docutils literal"><span class="pre">$(<D)</span></tt></td>
|
|---|
| 426 | <td>The directory part of <tt class="docutils literal"><span class="pre">$<</span></tt>.</td>
|
|---|
| 427 | </tr>
|
|---|
| 428 | <tr><td><tt class="docutils literal"><span class="pre">$(?D)</span></tt></td>
|
|---|
| 429 | <td>The directory part of <tt class="docutils literal"><span class="pre">$?</span></tt>.</td>
|
|---|
| 430 | </tr>
|
|---|
| 431 | <tr><td><tt class="docutils literal"><span class="pre">$(^D)</span></tt></td>
|
|---|
| 432 | <td>The directory part of <tt class="docutils literal"><span class="pre">%^</span></tt>.</td>
|
|---|
| 433 | </tr>
|
|---|
| 434 | <tr><td><tt class="docutils literal"><span class="pre">$(+D)</span></tt></td>
|
|---|
| 435 | <td>The directory part of <tt class="docutils literal"><span class="pre">$+</span></tt>.</td>
|
|---|
| 436 | </tr>
|
|---|
| 437 | <tr><td><tt class="docutils literal"><span class="pre">$(*D)</span></tt></td>
|
|---|
| 438 | <td>The directory part of <tt class="docutils literal"><span class="pre">$*</span></tt>.</td>
|
|---|
| 439 | </tr>
|
|---|
| 440 | <tr><td><tt class="docutils literal"><span class="pre">$(|D)</span></tt></td>
|
|---|
| 441 | <td>The directory part of <tt class="docutils literal"><span class="pre">$|</span></tt>.</td>
|
|---|
| 442 | </tr>
|
|---|
| 443 | <tr><td><tt class="docutils literal"><span class="pre">$(@F)</span></tt></td>
|
|---|
| 444 | <td>The file-within-directory part of <tt class="docutils literal"><span class="pre">$@</span></tt>.</td>
|
|---|
| 445 | </tr>
|
|---|
| 446 | <tr><td><tt class="docutils literal"><span class="pre">$(<F)</span></tt></td>
|
|---|
| 447 | <td>The file-within-directory part of <tt class="docutils literal"><span class="pre">$<</span></tt>.</td>
|
|---|
| 448 | </tr>
|
|---|
| 449 | <tr><td><tt class="docutils literal"><span class="pre">$(?F)</span></tt></td>
|
|---|
| 450 | <td>The file-within-directory part of <tt class="docutils literal"><span class="pre">$?</span></tt>.</td>
|
|---|
| 451 | </tr>
|
|---|
| 452 | <tr><td><tt class="docutils literal"><span class="pre">$(^F)</span></tt></td>
|
|---|
| 453 | <td>The file-within-directory part of <tt class="docutils literal"><span class="pre">$^</span></tt>.</td>
|
|---|
| 454 | </tr>
|
|---|
| 455 | <tr><td><tt class="docutils literal"><span class="pre">$(+F)</span></tt></td>
|
|---|
| 456 | <td>The file-within-directory part of <tt class="docutils literal"><span class="pre">$+</span></tt>.</td>
|
|---|
| 457 | </tr>
|
|---|
| 458 | <tr><td><tt class="docutils literal"><span class="pre">$(*F)</span></tt></td>
|
|---|
| 459 | <td>The file-within-directory part of <tt class="docutils literal"><span class="pre">$*</span></tt>.</td>
|
|---|
| 460 | </tr>
|
|---|
| 461 | <tr><td><tt class="docutils literal"><span class="pre">$(|F)</span></tt></td>
|
|---|
| 462 | <td>The file-within-directory part of <tt class="docutils literal"><span class="pre">$|</span></tt>.</td>
|
|---|
| 463 | </tr>
|
|---|
| 464 | </tbody>
|
|---|
| 465 | </table>
|
|---|
| 466 | </div>
|
|---|
| 467 | <div class="section">
|
|---|
| 468 | <h1><a id="special-variables" name="special-variables">Special variables</a></h1>
|
|---|
| 469 | <p>All variables starting with a <tt class="docutils literal"><span class="pre">.</span></tt> is reserved by <tt class="docutils literal"><span class="pre">kmk</span></tt>. The following
|
|---|
| 470 | variables are specially used or/and defined by <tt class="docutils literal"><span class="pre">kmk</span></tt>:</p>
|
|---|
| 471 | <table border="1" class="docutils">
|
|---|
| 472 | <colgroup>
|
|---|
| 473 | <col width="34%" />
|
|---|
| 474 | <col width="66%" />
|
|---|
| 475 | </colgroup>
|
|---|
| 476 | <thead valign="bottom">
|
|---|
| 477 | <tr><th class="head">Variable</th>
|
|---|
| 478 | <th class="head">Description</th>
|
|---|
| 479 | </tr>
|
|---|
| 480 | </thead>
|
|---|
| 481 | <tbody valign="top">
|
|---|
| 482 | <tr><td><tt class="docutils literal"><span class="pre">.DEFAULT_GOAL</span></tt></td>
|
|---|
| 483 | <td>The makefile default goal. You can set this in
|
|---|
| 484 | the makefile, if you don't it will default to
|
|---|
| 485 | the first target that is encountered.</td>
|
|---|
| 486 | </tr>
|
|---|
| 487 | <tr><td><tt class="docutils literal"><span class="pre">.FEATURES</span></tt></td>
|
|---|
| 488 | <td>List of GNU <tt class="docutils literal"><span class="pre">make</span></tt> features. Do not set this.</td>
|
|---|
| 489 | </tr>
|
|---|
| 490 | <tr><td><tt class="docutils literal"><span class="pre">.INCLUDE_DIRS</span></tt></td>
|
|---|
| 491 | <td>List of include directories, <tt class="docutils literal"><span class="pre">-I</span></tt> arguments
|
|---|
| 492 | and defaults. Do not set this.</td>
|
|---|
| 493 | </tr>
|
|---|
| 494 | <tr><td><tt class="docutils literal"><span class="pre">.RECIPEPREFIX</span></tt></td>
|
|---|
| 495 | <td>Recipe prefix, defaults to tab.</td>
|
|---|
| 496 | </tr>
|
|---|
| 497 | <tr><td><tt class="docutils literal"><span class="pre">.VARIABLES</span></tt></td>
|
|---|
| 498 | <td>Special variable which exands to the list of
|
|---|
| 499 | variable. Do not set this.</td>
|
|---|
| 500 | </tr>
|
|---|
| 501 | <tr><td><tt class="docutils literal"><span class="pre">CURDIR</span></tt></td>
|
|---|
| 502 | <td>Set to the pathname of the current working
|
|---|
| 503 | directory (after all <tt class="docutils literal"><span class="pre">-C</span></tt> options are
|
|---|
| 504 | processed, if any). Do not set this.</td>
|
|---|
| 505 | </tr>
|
|---|
| 506 | <tr><td><tt class="docutils literal"><span class="pre">KBUILD_VERSION</span></tt>,
|
|---|
| 507 | <tt class="docutils literal"><span class="pre">KBUILD_VERSION_MAJOR</span></tt>,
|
|---|
| 508 | <tt class="docutils literal"><span class="pre">KBUILD_VERSION_MINOR</span></tt>,
|
|---|
| 509 | <tt class="docutils literal"><span class="pre">KBUILD_VERSION_PATCH</span></tt>,
|
|---|
| 510 | <tt class="docutils literal"><span class="pre">KBUILD_KMK_REVISION</span></tt></td>
|
|---|
| 511 | <td>The kBuild version string and the break down
|
|---|
| 512 | into individual components. <a class="footnote-reference" href="#id15" id="id3" name="id3">[1]</a></td>
|
|---|
| 513 | </tr>
|
|---|
| 514 | <tr><td><tt class="docutils literal"><span class="pre">KBUILD_HOST</span></tt> <a class="footnote-reference" href="#id15" id="id4" name="id4">[1]</a></td>
|
|---|
| 515 | <td>The host operating system.</td>
|
|---|
| 516 | </tr>
|
|---|
| 517 | <tr><td><tt class="docutils literal"><span class="pre">KBUILD_HOST_ARCH</span></tt> <a class="footnote-reference" href="#id15" id="id5" name="id5">[1]</a></td>
|
|---|
| 518 | <td>The host architecture.</td>
|
|---|
| 519 | </tr>
|
|---|
| 520 | <tr><td><tt class="docutils literal"><span class="pre">KBUILD_HOST_CPU</span></tt> <a class="footnote-reference" href="#id15" id="id6" name="id6">[1]</a></td>
|
|---|
| 521 | <td>The host CPU <tt class="docutils literal"><span class="pre">kmk</span></tt> is built for, set to
|
|---|
| 522 | <tt class="docutils literal"><span class="pre">blend</span></tt> if not any particular CPU.</td>
|
|---|
| 523 | </tr>
|
|---|
| 524 | <tr><td><tt class="docutils literal"><span class="pre">KBUILD_PATH</span></tt> <a class="footnote-reference" href="#id15" id="id7" name="id7">[1]</a></td>
|
|---|
| 525 | <td>Where the kBuild scripts are.</td>
|
|---|
| 526 | </tr>
|
|---|
| 527 | <tr><td><tt class="docutils literal"><span class="pre">KBUILD_BIN_PATH</span></tt> <a class="footnote-reference" href="#id15" id="id8" name="id8">[1]</a></td>
|
|---|
| 528 | <td>Where the host specific kBuild binaries are.</td>
|
|---|
| 529 | </tr>
|
|---|
| 530 | <tr><td><tt class="docutils literal"><span class="pre">KMK</span></tt> <a class="footnote-reference" href="#id15" id="id9" name="id9">[1]</a>,
|
|---|
| 531 | <tt class="docutils literal"><span class="pre">MAKE</span></tt></td>
|
|---|
| 532 | <td>The name with which <tt class="docutils literal"><span class="pre">kmk</span></tt> was invoked. Using
|
|---|
| 533 | this variable in recipes has special meaning.</td>
|
|---|
| 534 | </tr>
|
|---|
| 535 | <tr><td><tt class="docutils literal"><span class="pre">KMK_BUILTIN</span></tt> <a class="footnote-reference" href="#id15" id="id10" name="id10">[1]</a></td>
|
|---|
| 536 | <td>List of built-in commands.</td>
|
|---|
| 537 | </tr>
|
|---|
| 538 | <tr><td><tt class="docutils literal"><span class="pre">KMK_FEATURES</span></tt> <a class="footnote-reference" href="#id15" id="id11" name="id11">[1]</a></td>
|
|---|
| 539 | <td>List of <tt class="docutils literal"><span class="pre">kmk</span></tt> specific features.</td>
|
|---|
| 540 | </tr>
|
|---|
| 541 | <tr><td><tt class="docutils literal"><span class="pre">KMK_FLAGS</span></tt> <a class="footnote-reference" href="#id15" id="id12" name="id12">[1]</a></td>
|
|---|
| 542 | <td><p class="first">The flags given to <tt class="docutils literal"><span class="pre">kmk</span></tt>. You can set this in
|
|---|
| 543 | the environment or a makefile to set flags.</p>
|
|---|
| 544 | <p class="last">It is never appropriate to use <tt class="docutils literal"><span class="pre">KMK_FLAGS</span></tt>
|
|---|
| 545 | directly in a recipe line: its contents may not
|
|---|
| 546 | be quoted correctly for use in the shell. Always
|
|---|
| 547 | allow recursive <tt class="docutils literal"><span class="pre">kmk</span></tt>'s to obtain these values
|
|---|
| 548 | through the environment from its parent.</p>
|
|---|
| 549 | </td>
|
|---|
| 550 | </tr>
|
|---|
| 551 | <tr><td><tt class="docutils literal"><span class="pre">KMK_LEVEL</span></tt> <a class="footnote-reference" href="#id15" id="id13" name="id13">[1]</a></td>
|
|---|
| 552 | <td>The number of levels of recursion (sub-makes).</td>
|
|---|
| 553 | </tr>
|
|---|
| 554 | <tr><td><tt class="docutils literal"><span class="pre">KMK_VERSION</span></tt> <a class="footnote-reference" href="#id15" id="id14" name="id14">[1]</a></td>
|
|---|
| 555 | <td>The GNU <tt class="docutils literal"><span class="pre">make</span></tt> version number.</td>
|
|---|
| 556 | </tr>
|
|---|
| 557 | <tr><td><tt class="docutils literal"><span class="pre">MAKECMDGOALS</span></tt></td>
|
|---|
| 558 | <td>The targets given to <tt class="docutils literal"><span class="pre">kmk</span></tt> on the command line.
|
|---|
| 559 | Do not set this.</td>
|
|---|
| 560 | </tr>
|
|---|
| 561 | <tr><td><tt class="docutils literal"><span class="pre">MAKEFILES</span></tt></td>
|
|---|
| 562 | <td>Makefiles to be read on every invocation of
|
|---|
| 563 | <tt class="docutils literal"><span class="pre">kmk</span></tt>.</td>
|
|---|
| 564 | </tr>
|
|---|
| 565 | <tr><td><tt class="docutils literal"><span class="pre">MAKEFILE_LIST</span></tt></td>
|
|---|
| 566 | <td>List of the makefiles that <tt class="docutils literal"><span class="pre">kmk</span></tt> has opened.</td>
|
|---|
| 567 | </tr>
|
|---|
| 568 | <tr><td><tt class="docutils literal"><span class="pre">MAKESHELL</span></tt></td>
|
|---|
| 569 | <td>OS/2 and MS-DOS only, the name of the command
|
|---|
| 570 | interpreter that is to be used by <tt class="docutils literal"><span class="pre">kmk</span></tt>. This
|
|---|
| 571 | value takes precedence over the value of SHELL.</td>
|
|---|
| 572 | </tr>
|
|---|
| 573 | <tr><td><tt class="docutils literal"><span class="pre">SHELL</span></tt></td>
|
|---|
| 574 | <td>The name of the default command interpreter,
|
|---|
| 575 | kmk_ash. You can set SHELL in the makefile to
|
|---|
| 576 | change the shell used to run recipes. The SHELL
|
|---|
| 577 | variable is handled specially when importing
|
|---|
| 578 | from and exporting to the environment.</td>
|
|---|
| 579 | </tr>
|
|---|
| 580 | <tr><td><tt class="docutils literal"><span class="pre">SUFFIXES</span></tt></td>
|
|---|
| 581 | <td>The default list of suffixes before <tt class="docutils literal"><span class="pre">kmk</span></tt>
|
|---|
| 582 | reads any makefiles (always empty).</td>
|
|---|
| 583 | </tr>
|
|---|
| 584 | <tr><td><tt class="docutils literal"><span class="pre">VPATH</span></tt></td>
|
|---|
| 585 | <td>Directory search path for files not found in the
|
|---|
| 586 | current directory.</td>
|
|---|
| 587 | </tr>
|
|---|
| 588 | </tbody>
|
|---|
| 589 | </table>
|
|---|
| 590 | <p>The following variables reflects <tt class="docutils literal"><span class="pre">kmk</span></tt> options. Do not set these.</p>
|
|---|
| 591 | <table border="1" class="docutils">
|
|---|
| 592 | <colgroup>
|
|---|
| 593 | <col width="49%" />
|
|---|
| 594 | <col width="51%" />
|
|---|
| 595 | </colgroup>
|
|---|
| 596 | <thead valign="bottom">
|
|---|
| 597 | <tr><th class="head">Variable</th>
|
|---|
| 598 | <th class="head">Description</th>
|
|---|
| 599 | </tr>
|
|---|
| 600 | </thead>
|
|---|
| 601 | <tbody valign="top">
|
|---|
| 602 | <tr><td><tt class="docutils literal"><span class="pre">KMK_OPTS_JOBS</span></tt></td>
|
|---|
| 603 | <td>-j slots, <tt class="docutils literal"><span class="pre">0</span></tt> if not given.</td>
|
|---|
| 604 | </tr>
|
|---|
| 605 | <tr><td><tt class="docutils literal"><span class="pre">KMK_OPTS_KEEP_GOING</span></tt></td>
|
|---|
| 606 | <td>-k indictor (<tt class="docutils literal"><span class="pre">0</span></tt>/<tt class="docutils literal"><span class="pre">1</span></tt>).</td>
|
|---|
| 607 | </tr>
|
|---|
| 608 | <tr><td><tt class="docutils literal"><span class="pre">KMK_OPTS_JUST_PRINT</span></tt></td>
|
|---|
| 609 | <td>-n indicator (<tt class="docutils literal"><span class="pre">0</span></tt>/<tt class="docutils literal"><span class="pre">1</span></tt>).</td>
|
|---|
| 610 | </tr>
|
|---|
| 611 | <tr><td><tt class="docutils literal"><span class="pre">KMK_OPTS_PRORITY</span></tt></td>
|
|---|
| 612 | <td>--priority level, <tt class="docutils literal"><span class="pre">0</span></tt> if not given.</td>
|
|---|
| 613 | </tr>
|
|---|
| 614 | <tr><td><tt class="docutils literal"><span class="pre">KMK_OPTS_AFFINITY</span></tt></td>
|
|---|
| 615 | <td>--affinity mask, <tt class="docutils literal"><span class="pre">0</span></tt> if not given.</td>
|
|---|
| 616 | </tr>
|
|---|
| 617 | <tr><td><tt class="docutils literal"><span class="pre">KMK_OPTS_STATISTICS</span></tt></td>
|
|---|
| 618 | <td>--statistics indicator (<tt class="docutils literal"><span class="pre">0</span></tt>/<tt class="docutils literal"><span class="pre">1</span></tt>).</td>
|
|---|
| 619 | </tr>
|
|---|
| 620 | <tr><td><tt class="docutils literal"><span class="pre">KMK_OPTS_PRINT_TIME</span></tt></td>
|
|---|
| 621 | <td>The --print-time value.</td>
|
|---|
| 622 | </tr>
|
|---|
| 623 | <tr><td><tt class="docutils literal"><span class="pre">KMK_OPTS_PRETTY_COMMAND_PRINTING</span></tt></td>
|
|---|
| 624 | <td>--pretty-command-printing indicator.</td>
|
|---|
| 625 | </tr>
|
|---|
| 626 | </tbody>
|
|---|
| 627 | </table>
|
|---|
| 628 | </div>
|
|---|
| 629 | <div class="section">
|
|---|
| 630 | <h1><a id="special-targets" name="special-targets">Special Targets</a></h1>
|
|---|
| 631 | <p>todo</p>
|
|---|
| 632 | </div>
|
|---|
| 633 | <div class="section">
|
|---|
| 634 | <h1><a id="commands" name="commands">Commands</a></h1>
|
|---|
| 635 | <p>Builtin commands all start with <tt class="docutils literal"><span class="pre">kmk_builtin_</span></tt>, so in order to save space
|
|---|
| 636 | this prefix has been omitted in the table below. All commands comes in an
|
|---|
| 637 | external edition that can be used by/in the shell, these are prefixed <tt class="docutils literal"><span class="pre">kmk_</span></tt>.</p>
|
|---|
| 638 | <table border="1" class="docutils">
|
|---|
| 639 | <colgroup>
|
|---|
| 640 | <col width="20%" />
|
|---|
| 641 | <col width="80%" />
|
|---|
| 642 | </colgroup>
|
|---|
| 643 | <thead valign="bottom">
|
|---|
| 644 | <tr><th class="head">Command</th>
|
|---|
| 645 | <th class="head">Description</th>
|
|---|
| 646 | </tr>
|
|---|
| 647 | </thead>
|
|---|
| 648 | <tbody valign="top">
|
|---|
| 649 | <tr><td><tt class="docutils literal"><span class="pre">append</span></tt></td>
|
|---|
| 650 | <td>Append text to a file. The builtin version can output the
|
|---|
| 651 | value of a variable or the commands of a target.</td>
|
|---|
| 652 | </tr>
|
|---|
| 653 | <tr><td><tt class="docutils literal"><span class="pre">cat</span></tt></td>
|
|---|
| 654 | <td>The BSD <tt class="docutils literal"><span class="pre">cat</span></tt> command.</td>
|
|---|
| 655 | </tr>
|
|---|
| 656 | <tr><td><tt class="docutils literal"><span class="pre">chmod</span></tt></td>
|
|---|
| 657 | <td>The BSD <tt class="docutils literal"><span class="pre">chmod</span></tt> command.</td>
|
|---|
| 658 | </tr>
|
|---|
| 659 | <tr><td><tt class="docutils literal"><span class="pre">cmp</span></tt></td>
|
|---|
| 660 | <td>The BSD <tt class="docutils literal"><span class="pre">cmp</span></tt> command.</td>
|
|---|
| 661 | </tr>
|
|---|
| 662 | <tr><td><tt class="docutils literal"><span class="pre">cp</span></tt></td>
|
|---|
| 663 | <td>The BSD <tt class="docutils literal"><span class="pre">cp</span></tt> command with some twaking.</td>
|
|---|
| 664 | </tr>
|
|---|
| 665 | <tr><td><tt class="docutils literal"><span class="pre">echo</span></tt></td>
|
|---|
| 666 | <td>The BSD <tt class="docutils literal"><span class="pre">echo</span></tt> command.</td>
|
|---|
| 667 | </tr>
|
|---|
| 668 | <tr><td><tt class="docutils literal"><span class="pre">expr</span></tt></td>
|
|---|
| 669 | <td>The BSD <tt class="docutils literal"><span class="pre">expr</span></tt> command.</td>
|
|---|
| 670 | </tr>
|
|---|
| 671 | <tr><td><tt class="docutils literal"><span class="pre">install</span></tt></td>
|
|---|
| 672 | <td>The BSD <tt class="docutils literal"><span class="pre">install</span></tt> command with some tweaking.</td>
|
|---|
| 673 | </tr>
|
|---|
| 674 | <tr><td><tt class="docutils literal"><span class="pre">kDepIDB</span></tt></td>
|
|---|
| 675 | <td>Extract dependencies from a Visual C++ .IDB file.</td>
|
|---|
| 676 | </tr>
|
|---|
| 677 | <tr><td><tt class="docutils literal"><span class="pre">ln</span></tt></td>
|
|---|
| 678 | <td>The BSD <tt class="docutils literal"><span class="pre">ln</span></tt> command.</td>
|
|---|
| 679 | </tr>
|
|---|
| 680 | <tr><td><tt class="docutils literal"><span class="pre">md5sum</span></tt></td>
|
|---|
| 681 | <td>Typical MD5 sum program, custom kBuild version.</td>
|
|---|
| 682 | </tr>
|
|---|
| 683 | <tr><td><tt class="docutils literal"><span class="pre">mkdir</span></tt></td>
|
|---|
| 684 | <td>The BSD <tt class="docutils literal"><span class="pre">mkdir</span></tt> command.</td>
|
|---|
| 685 | </tr>
|
|---|
| 686 | <tr><td><tt class="docutils literal"><span class="pre">mv</span></tt></td>
|
|---|
| 687 | <td>The BSD <tt class="docutils literal"><span class="pre">mv</span></tt> command with some tweaking.</td>
|
|---|
| 688 | </tr>
|
|---|
| 689 | <tr><td><tt class="docutils literal"><span class="pre">printf</span></tt></td>
|
|---|
| 690 | <td>The BSD <tt class="docutils literal"><span class="pre">printf</span></tt> command.</td>
|
|---|
| 691 | </tr>
|
|---|
| 692 | <tr><td><tt class="docutils literal"><span class="pre">rm</span></tt></td>
|
|---|
| 693 | <td>The BSD <tt class="docutils literal"><span class="pre">rm</span></tt> command with some tweaking.</td>
|
|---|
| 694 | </tr>
|
|---|
| 695 | <tr><td><tt class="docutils literal"><span class="pre">rmdir</span></tt></td>
|
|---|
| 696 | <td>The BSD <tt class="docutils literal"><span class="pre">rmdir</span></tt> command with some tweaking.</td>
|
|---|
| 697 | </tr>
|
|---|
| 698 | <tr><td><tt class="docutils literal"><span class="pre">sleep</span></tt></td>
|
|---|
| 699 | <td>Typical <tt class="docutils literal"><span class="pre">sleep</span></tt> program, custom kBuild version.</td>
|
|---|
| 700 | </tr>
|
|---|
| 701 | <tr><td><tt class="docutils literal"><span class="pre">test</span></tt></td>
|
|---|
| 702 | <td>The BSD <tt class="docutils literal"><span class="pre">test</span></tt> program with some tweaking.</td>
|
|---|
| 703 | </tr>
|
|---|
| 704 | </tbody>
|
|---|
| 705 | </table>
|
|---|
| 706 | <p>Some additional external commands are available in the <tt class="docutils literal"><span class="pre">kmk</span></tt> / <tt class="docutils literal"><span class="pre">kBuild</span></tt>
|
|---|
| 707 | environment (<tt class="docutils literal"><span class="pre">kSomething</span></tt> command are not prefixed with <tt class="docutils literal"><span class="pre">kmk_</span></tt>):</p>
|
|---|
| 708 | <table border="1" class="docutils">
|
|---|
| 709 | <colgroup>
|
|---|
| 710 | <col width="20%" />
|
|---|
| 711 | <col width="80%" />
|
|---|
| 712 | </colgroup>
|
|---|
| 713 | <thead valign="bottom">
|
|---|
| 714 | <tr><th class="head">Command</th>
|
|---|
| 715 | <th class="head">Description</th>
|
|---|
| 716 | </tr>
|
|---|
| 717 | </thead>
|
|---|
| 718 | <tbody valign="top">
|
|---|
| 719 | <tr><td><tt class="docutils literal"><span class="pre">kDepPre</span></tt></td>
|
|---|
| 720 | <td>Extract dependencies from the C/C++ preprocessor output.</td>
|
|---|
| 721 | </tr>
|
|---|
| 722 | <tr><td><tt class="docutils literal"><span class="pre">kObjCache</span></tt></td>
|
|---|
| 723 | <td>Simple object file cache program.</td>
|
|---|
| 724 | </tr>
|
|---|
| 725 | <tr><td><tt class="docutils literal"><span class="pre">ash</span></tt></td>
|
|---|
| 726 | <td>Almquist's shell (NetBSD variant).</td>
|
|---|
| 727 | </tr>
|
|---|
| 728 | <tr><td><tt class="docutils literal"><span class="pre">gmake</span></tt></td>
|
|---|
| 729 | <td>Vanilla GNU <tt class="docutils literal"><span class="pre">make</span></tt> from same sources as <tt class="docutils literal"><span class="pre">kmk</span></tt>.</td>
|
|---|
| 730 | </tr>
|
|---|
| 731 | <tr><td><tt class="docutils literal"><span class="pre">redirect</span></tt></td>
|
|---|
| 732 | <td>Shell avoidance tool. Sets up file descriptors, environment
|
|---|
| 733 | variables and current directory before kicking of program.</td>
|
|---|
| 734 | </tr>
|
|---|
| 735 | <tr><td><tt class="docutils literal"><span class="pre">sed</span></tt></td>
|
|---|
| 736 | <td>GNU <tt class="docutils literal"><span class="pre">sed</span></tt> with some tweaks to avoid involving the shell.</td>
|
|---|
| 737 | </tr>
|
|---|
| 738 | <tr><td><tt class="docutils literal"><span class="pre">time</span></tt></td>
|
|---|
| 739 | <td>Stopwatch utility for measuring program execution time(s).</td>
|
|---|
| 740 | </tr>
|
|---|
| 741 | </tbody>
|
|---|
| 742 | </table>
|
|---|
| 743 | </div>
|
|---|
| 744 | <div class="section">
|
|---|
| 745 | <h1><a id="kmk-expression" name="kmk-expression">kmk-expression</a></h1>
|
|---|
| 746 | <p><tt class="docutils literal"><span class="pre">kmk</span></tt>-expressions are related to the C/C++ preprocessor in some ways as well
|
|---|
| 747 | as <tt class="docutils literal"><span class="pre">nmake</span></tt> and BSD <tt class="docutils literal"><span class="pre">make</span></tt>. There are however some peculiarities because of
|
|---|
| 748 | the way GNU <tt class="docutils literal"><span class="pre">make</span></tt> choose to represent booleans in its function library, so,
|
|---|
| 749 | strings can be turned into boolean by taking any non-empty string as true.</p>
|
|---|
| 750 | <p>Quoting using single quotes results in hard strings, while double quotes and
|
|---|
| 751 | unquoted string results in soft strings that can be converted to number or
|
|---|
| 752 | boolean to fit the situation.</p>
|
|---|
| 753 | <p>Here's the operator table in decending precedence order:</p>
|
|---|
| 754 | <table border="1" class="docutils">
|
|---|
| 755 | <colgroup>
|
|---|
| 756 | <col width="20%" />
|
|---|
| 757 | <col width="11%" />
|
|---|
| 758 | <col width="70%" />
|
|---|
| 759 | </colgroup>
|
|---|
| 760 | <thead valign="bottom">
|
|---|
| 761 | <tr><th class="head">Operator</th>
|
|---|
| 762 | <th class="head">Type</th>
|
|---|
| 763 | <th class="head">Description</th>
|
|---|
| 764 | </tr>
|
|---|
| 765 | </thead>
|
|---|
| 766 | <tbody valign="top">
|
|---|
| 767 | <tr><td><tt class="docutils literal"><span class="pre">defined</span></tt></td>
|
|---|
| 768 | <td rowspan="6">Unary</td>
|
|---|
| 769 | <td>Checks if the following variable exists.</td>
|
|---|
| 770 | </tr>
|
|---|
| 771 | <tr><td><tt class="docutils literal"><span class="pre">exists</span></tt></td>
|
|---|
| 772 | <td>Checks if the following file exists.</td>
|
|---|
| 773 | </tr>
|
|---|
| 774 | <tr><td><tt class="docutils literal"><span class="pre">target</span></tt></td>
|
|---|
| 775 | <td>Checks if the following target exists.</td>
|
|---|
| 776 | </tr>
|
|---|
| 777 | <tr><td><tt class="docutils literal"><span class="pre">bool</span></tt></td>
|
|---|
| 778 | <td>Casts the following value to boolean.</td>
|
|---|
| 779 | </tr>
|
|---|
| 780 | <tr><td><tt class="docutils literal"><span class="pre">num</span></tt></td>
|
|---|
| 781 | <td>Casts the following value to a number.</td>
|
|---|
| 782 | </tr>
|
|---|
| 783 | <tr><td><tt class="docutils literal"><span class="pre">str</span></tt></td>
|
|---|
| 784 | <td>Casts the following value to a string.</td>
|
|---|
| 785 | </tr>
|
|---|
| 786 | <tr><td><tt class="docutils literal"><span class="pre">!</span></tt></td>
|
|---|
| 787 | <td rowspan="4">Unary</td>
|
|---|
| 788 | <td>Logical NOT.</td>
|
|---|
| 789 | </tr>
|
|---|
| 790 | <tr><td><tt class="docutils literal"><span class="pre">+</span></tt></td>
|
|---|
| 791 | <td>Pluss prefix.</td>
|
|---|
| 792 | </tr>
|
|---|
| 793 | <tr><td><tt class="docutils literal"><span class="pre">-</span></tt></td>
|
|---|
| 794 | <td>Minus prefix.</td>
|
|---|
| 795 | </tr>
|
|---|
| 796 | <tr><td><tt class="docutils literal"><span class="pre">~</span></tt></td>
|
|---|
| 797 | <td>Bitwise one's complement.</td>
|
|---|
| 798 | </tr>
|
|---|
| 799 | <tr><td><tt class="docutils literal"><span class="pre">*</span></tt></td>
|
|---|
| 800 | <td rowspan="3">Binary</td>
|
|---|
| 801 | <td>Multiplication (product).</td>
|
|---|
| 802 | </tr>
|
|---|
| 803 | <tr><td><tt class="docutils literal"><span class="pre">/</span></tt></td>
|
|---|
| 804 | <td>Division (quotient).</td>
|
|---|
| 805 | </tr>
|
|---|
| 806 | <tr><td><tt class="docutils literal"><span class="pre">%</span></tt></td>
|
|---|
| 807 | <td>Modulus (remainder).</td>
|
|---|
| 808 | </tr>
|
|---|
| 809 | <tr><td><tt class="docutils literal"><span class="pre">+</span></tt></td>
|
|---|
| 810 | <td rowspan="2">Binary</td>
|
|---|
| 811 | <td>Addition (sum).</td>
|
|---|
| 812 | </tr>
|
|---|
| 813 | <tr><td><tt class="docutils literal"><span class="pre">-</span></tt></td>
|
|---|
| 814 | <td>Subtraction (difference).</td>
|
|---|
| 815 | </tr>
|
|---|
| 816 | <tr><td><tt class="docutils literal"><span class="pre"><<</span></tt></td>
|
|---|
| 817 | <td rowspan="2">Binary</td>
|
|---|
| 818 | <td>Bitwise left shift.</td>
|
|---|
| 819 | </tr>
|
|---|
| 820 | <tr><td><tt class="docutils literal"><span class="pre">>></span></tt></td>
|
|---|
| 821 | <td>Bitwise right shift.</td>
|
|---|
| 822 | </tr>
|
|---|
| 823 | <tr><td><tt class="docutils literal"><span class="pre"><=</span></tt></td>
|
|---|
| 824 | <td rowspan="4">Binary</td>
|
|---|
| 825 | <td>Less or equal than.</td>
|
|---|
| 826 | </tr>
|
|---|
| 827 | <tr><td><tt class="docutils literal"><span class="pre"><</span></tt></td>
|
|---|
| 828 | <td>Less than.</td>
|
|---|
| 829 | </tr>
|
|---|
| 830 | <tr><td><tt class="docutils literal"><span class="pre">>=</span></tt></td>
|
|---|
| 831 | <td>Greater or equal than.</td>
|
|---|
| 832 | </tr>
|
|---|
| 833 | <tr><td><tt class="docutils literal"><span class="pre">></span></tt></td>
|
|---|
| 834 | <td>Greater than.</td>
|
|---|
| 835 | </tr>
|
|---|
| 836 | <tr><td><tt class="docutils literal"><span class="pre">==</span></tt></td>
|
|---|
| 837 | <td rowspan="2">Binary</td>
|
|---|
| 838 | <td>Equal to.</td>
|
|---|
| 839 | </tr>
|
|---|
| 840 | <tr><td><tt class="docutils literal"><span class="pre">!=</span></tt></td>
|
|---|
| 841 | <td>Not equal to.</td>
|
|---|
| 842 | </tr>
|
|---|
| 843 | <tr><td><tt class="docutils literal"><span class="pre">&</span></tt></td>
|
|---|
| 844 | <td>Binary</td>
|
|---|
| 845 | <td>Bitwise AND.</td>
|
|---|
| 846 | </tr>
|
|---|
| 847 | <tr><td><tt class="docutils literal"><span class="pre">^</span></tt></td>
|
|---|
| 848 | <td>Binary</td>
|
|---|
| 849 | <td>Bitwise XOR.</td>
|
|---|
| 850 | </tr>
|
|---|
| 851 | <tr><td><tt class="docutils literal"><span class="pre">|</span></tt></td>
|
|---|
| 852 | <td>Binary</td>
|
|---|
| 853 | <td>Bitwise OR.</td>
|
|---|
| 854 | </tr>
|
|---|
| 855 | <tr><td><tt class="docutils literal"><span class="pre">&&</span></tt></td>
|
|---|
| 856 | <td>Binary</td>
|
|---|
| 857 | <td>Logical AND.</td>
|
|---|
| 858 | </tr>
|
|---|
| 859 | <tr><td><tt class="docutils literal"><span class="pre">||</span></tt></td>
|
|---|
| 860 | <td>Binary</td>
|
|---|
| 861 | <td>Logical OR.</td>
|
|---|
| 862 | </tr>
|
|---|
| 863 | </tbody>
|
|---|
| 864 | </table>
|
|---|
| 865 | </div>
|
|---|
| 866 | <div class="section">
|
|---|
| 867 | <h1><a id="built-in-functions" name="built-in-functions">Built-in functions</a></h1>
|
|---|
| 868 | <p>String Manipulation Functions:</p>
|
|---|
| 869 | <blockquote>
|
|---|
| 870 | <p>Replace <tt class="docutils literal"><span class="pre">from</span></tt> with <tt class="docutils literal"><span class="pre">to</span></tt> in <tt class="docutils literal"><span class="pre">text</span></tt>:</p>
|
|---|
| 871 | <pre class="literal-block">
|
|---|
| 872 | $(subst from,to,text)
|
|---|
| 873 | </pre>
|
|---|
| 874 | <p>Replace words matching <tt class="docutils literal"><span class="pre">pattern</span></tt> with <tt class="docutils literal"><span class="pre">replacement</span></tt> in <tt class="docutils literal"><span class="pre">text</span></tt>:</p>
|
|---|
| 875 | <pre class="literal-block">
|
|---|
| 876 | $(patsubst pattern,replacement,text)
|
|---|
| 877 | </pre>
|
|---|
| 878 | <p>Remove excess whitespace characters from <tt class="docutils literal"><span class="pre">string</span></tt>:</p>
|
|---|
| 879 | <pre class="literal-block">
|
|---|
| 880 | $(strip string)
|
|---|
| 881 | </pre>
|
|---|
| 882 | <p>Locate <tt class="docutils literal"><span class="pre">find</span></tt> in <tt class="docutils literal"><span class="pre">text</span></tt>, returning <tt class="docutils literal"><span class="pre">find</span></tt> if found:</p>
|
|---|
| 883 | <pre class="literal-block">
|
|---|
| 884 | $(findstring find,text)
|
|---|
| 885 | </pre>
|
|---|
| 886 | <p>Select words in <tt class="docutils literal"><span class="pre">text</span></tt> that match one of the <tt class="docutils literal"><span class="pre">pattern</span></tt> words:</p>
|
|---|
| 887 | <pre class="literal-block">
|
|---|
| 888 | $(filter pattern...,text)
|
|---|
| 889 | </pre>
|
|---|
| 890 | <p>Select words in <tt class="docutils literal"><span class="pre">text</span></tt> that do not match any of the <tt class="docutils literal"><span class="pre">pattern</span></tt> words:</p>
|
|---|
| 891 | <pre class="literal-block">
|
|---|
| 892 | $(filter-out pattern...,text)
|
|---|
| 893 | </pre>
|
|---|
| 894 | <p>Sort the words in <tt class="docutils literal"><span class="pre">list</span></tt> lexicographically, removing duplicates:</p>
|
|---|
| 895 | <pre class="literal-block">
|
|---|
| 896 | $(sort list)
|
|---|
| 897 | </pre>
|
|---|
| 898 | <p>Sort the words in <tt class="docutils literal"><span class="pre">list</span></tt> lexicographically in reserve order, removing
|
|---|
| 899 | duplicates:</p>
|
|---|
| 900 | <pre class="literal-block">
|
|---|
| 901 | $(rsort list)
|
|---|
| 902 | </pre>
|
|---|
| 903 | <p>Count the number of words in <tt class="docutils literal"><span class="pre">text</span></tt>:</p>
|
|---|
| 904 | <pre class="literal-block">
|
|---|
| 905 | $(words text)
|
|---|
| 906 | </pre>
|
|---|
| 907 | <p>Extract the <tt class="docutils literal"><span class="pre">n</span></tt>th word (one-origin) of <tt class="docutils literal"><span class="pre">text</span></tt>:</p>
|
|---|
| 908 | <pre class="literal-block">
|
|---|
| 909 | $(word n,text)
|
|---|
| 910 | </pre>
|
|---|
| 911 | <p>Returns the list of words in <tt class="docutils literal"><span class="pre">text</span></tt> from <tt class="docutils literal"><span class="pre">s</span></tt> to <tt class="docutils literal"><span class="pre">e</span></tt> (one-origin):</p>
|
|---|
| 912 | <pre class="literal-block">
|
|---|
| 913 | $(wordlist s,e,text)
|
|---|
| 914 | </pre>
|
|---|
| 915 | <p>Extract the first word of <tt class="docutils literal"><span class="pre">names</span></tt>:</p>
|
|---|
| 916 | <pre class="literal-block">
|
|---|
| 917 | $(firstword names...)
|
|---|
| 918 | </pre>
|
|---|
| 919 | <p>Extract the last word of <tt class="docutils literal"><span class="pre">names</span></tt>:</p>
|
|---|
| 920 | <pre class="literal-block">
|
|---|
| 921 | $(lastword names...)
|
|---|
| 922 | </pre>
|
|---|
| 923 | <p>Join two parallel lists of words:</p>
|
|---|
| 924 | <pre class="literal-block">
|
|---|
| 925 | $(join list1,list2)
|
|---|
| 926 | </pre>
|
|---|
| 927 | <p>Fold <tt class="docutils literal"><span class="pre">text</span></tt> to upper case:</p>
|
|---|
| 928 | <pre class="literal-block">
|
|---|
| 929 | $(toupper text)
|
|---|
| 930 | </pre>
|
|---|
| 931 | <p>Fold <tt class="docutils literal"><span class="pre">text</span></tt> to lower case:</p>
|
|---|
| 932 | <pre class="literal-block">
|
|---|
| 933 | $(tolower text)
|
|---|
| 934 | </pre>
|
|---|
| 935 | <p>String formatting a la the unix <tt class="docutils literal"><span class="pre">printf</span></tt> command:</p>
|
|---|
| 936 | <pre class="literal-block">
|
|---|
| 937 | $(printf fmt, arg...)
|
|---|
| 938 | </pre>
|
|---|
| 939 | <p>Return the length of a string or a (unexpanded) variable:</p>
|
|---|
| 940 | <pre class="literal-block">
|
|---|
| 941 | $(length string)
|
|---|
| 942 | $(length-var var)
|
|---|
| 943 | </pre>
|
|---|
| 944 | <p>Find the position of <tt class="docutils literal"><span class="pre">needle</span></tt> in <tt class="docutils literal"><span class="pre">haystack</span></tt>, returns 0 if not found.
|
|---|
| 945 | Negative <tt class="docutils literal"><span class="pre">start</span></tt> indices are relative to the end of <tt class="docutils literal"><span class="pre">haystack</span></tt>, while
|
|---|
| 946 | positive ones are one based:</p>
|
|---|
| 947 | <pre class="literal-block">
|
|---|
| 948 | $(pos needle, haystack[, start])
|
|---|
| 949 | $(lastpos needle, haystack[, start])
|
|---|
| 950 | </pre>
|
|---|
| 951 | <p>Returns the specified substring. The <tt class="docutils literal"><span class="pre">start</span></tt> works like with <tt class="docutils literal"><span class="pre">$(pos</span> <span class="pre">)</span></tt>.
|
|---|
| 952 | If the substring is partially outside the <tt class="docutils literal"><span class="pre">string</span></tt> the result will be
|
|---|
| 953 | padded with <tt class="docutils literal"><span class="pre">pad</span></tt> if present:</p>
|
|---|
| 954 | <pre class="literal-block">
|
|---|
| 955 | $(substr string, start[, length[, pad]])
|
|---|
| 956 | </pre>
|
|---|
| 957 | <p>Insert <tt class="docutils literal"><span class="pre">in</span></tt> into <tt class="docutils literal"><span class="pre">str</span></tt> at the specified position. <tt class="docutils literal"><span class="pre">n</span></tt> works like with
|
|---|
| 958 | <tt class="docutils literal"><span class="pre">$(pos</span> <span class="pre">)</span></tt>, except that <tt class="docutils literal"><span class="pre">0</span></tt> is the end of the string:</p>
|
|---|
| 959 | <pre class="literal-block">
|
|---|
| 960 | $(insert in, str[, n[, length[, pad]]])
|
|---|
| 961 | </pre>
|
|---|
| 962 | <p>Translate <tt class="docutils literal"><span class="pre">string</span></tt> exchanging characters in <tt class="docutils literal"><span class="pre">from-set</span></tt> with <tt class="docutils literal"><span class="pre">to-set</span></tt>,
|
|---|
| 963 | optionally completing <tt class="docutils literal"><span class="pre">to-set</span></tt> with <tt class="docutils literal"><span class="pre">pad-char</span></tt> if specified. If no
|
|---|
| 964 | <tt class="docutils literal"><span class="pre">pad-char</span></tt> characters absent in <tt class="docutils literal"><span class="pre">to-set</span></tt> will be deleted:</p>
|
|---|
| 965 | <pre class="literal-block">
|
|---|
| 966 | $(translate string, from-set[, to-set[, pad-char]])
|
|---|
| 967 | </pre>
|
|---|
| 968 | </blockquote>
|
|---|
| 969 | <p>Functions for file names:</p>
|
|---|
| 970 | <blockquote>
|
|---|
| 971 | <p>Extract the directory part of each file <tt class="docutils literal"><span class="pre">name</span></tt>:</p>
|
|---|
| 972 | <pre class="literal-block">
|
|---|
| 973 | $(dir names...)
|
|---|
| 974 | </pre>
|
|---|
| 975 | <p>Extract the non-directory part of each file <tt class="docutils literal"><span class="pre">name</span></tt>:</p>
|
|---|
| 976 | <pre class="literal-block">
|
|---|
| 977 | $(notdir names...)
|
|---|
| 978 | </pre>
|
|---|
| 979 | <p>Extract the suffix (the last <tt class="docutils literal"><span class="pre">.</span></tt> and following characters) of each file
|
|---|
| 980 | <tt class="docutils literal"><span class="pre">name</span></tt>:</p>
|
|---|
| 981 | <pre class="literal-block">
|
|---|
| 982 | $(suffix names...)
|
|---|
| 983 | </pre>
|
|---|
| 984 | <p>Extract the base name (name without suffix) of each file name:</p>
|
|---|
| 985 | <pre class="literal-block">
|
|---|
| 986 | $(basename names...)
|
|---|
| 987 | </pre>
|
|---|
| 988 | <p>Append <tt class="docutils literal"><span class="pre">suffix</span></tt> to each word in <tt class="docutils literal"><span class="pre">names</span></tt>:</p>
|
|---|
| 989 | <pre class="literal-block">
|
|---|
| 990 | $(addsuffix suffix,names...)
|
|---|
| 991 | </pre>
|
|---|
| 992 | <p>Prepend <tt class="docutils literal"><span class="pre">prefix</span></tt> to each word in <tt class="docutils literal"><span class="pre">names</span></tt>:</p>
|
|---|
| 993 | <pre class="literal-block">
|
|---|
| 994 | $(addprefix prefix,names...)
|
|---|
| 995 | </pre>
|
|---|
| 996 | <p>Find file names matching a shell file name <tt class="docutils literal"><span class="pre">pattern</span></tt> (not a <tt class="docutils literal"><span class="pre">%</span></tt>
|
|---|
| 997 | pattern):</p>
|
|---|
| 998 | <pre class="literal-block">
|
|---|
| 999 | $(wildcard pattern...)
|
|---|
| 1000 | </pre>
|
|---|
| 1001 | <p>For each file name in <tt class="docutils literal"><span class="pre">names</span></tt>, expand to an absolute name that does not
|
|---|
| 1002 | contain any <tt class="docutils literal"><span class="pre">.</span></tt>, <tt class="docutils literal"><span class="pre">..</span></tt>, nor symlinks:</p>
|
|---|
| 1003 | <pre class="literal-block">
|
|---|
| 1004 | $(realpath names...)
|
|---|
| 1005 | </pre>
|
|---|
| 1006 | <p>For each file name in <tt class="docutils literal"><span class="pre">names</span></tt>, expand to an absolute name that does not
|
|---|
| 1007 | contain any <tt class="docutils literal"><span class="pre">.</span></tt> or <tt class="docutils literal"><span class="pre">..</span></tt> components, but preserves symlinks:</p>
|
|---|
| 1008 | <pre class="literal-block">
|
|---|
| 1009 | $(abspath names...)
|
|---|
| 1010 | </pre>
|
|---|
| 1011 | <p>Same as <tt class="docutils literal"><span class="pre">$(abspath</span> <span class="pre">)</span></tt> except that the current directory can be
|
|---|
| 1012 | specified as <tt class="docutils literal"><span class="pre">curdir</span></tt>:</p>
|
|---|
| 1013 | <pre class="literal-block">
|
|---|
| 1014 | $(abspathex names...[, curdir])
|
|---|
| 1015 | </pre>
|
|---|
| 1016 | </blockquote>
|
|---|
| 1017 | <p>Arithmetic Functions:</p>
|
|---|
| 1018 | <blockquote>
|
|---|
| 1019 | <p>Returns the sum of the arguments:</p>
|
|---|
| 1020 | <pre class="literal-block">
|
|---|
| 1021 | $(int-add addend1, addend2[, addendN])
|
|---|
| 1022 | </pre>
|
|---|
| 1023 | <p>Returns the difference between the first argument and the sum of the rest:</p>
|
|---|
| 1024 | <pre class="literal-block">
|
|---|
| 1025 | $(int-sub minuend, subtrahend[, subtrahendN])
|
|---|
| 1026 | </pre>
|
|---|
| 1027 | <p>Returns the product of the arguments:</p>
|
|---|
| 1028 | <pre class="literal-block">
|
|---|
| 1029 | $(int-mul factor1, factor2[, factorN])
|
|---|
| 1030 | </pre>
|
|---|
| 1031 | <p>Returns the quotient of first argument and the rest:</p>
|
|---|
| 1032 | <pre class="literal-block">
|
|---|
| 1033 | $(int-div dividend, divisor[, divisorN])
|
|---|
| 1034 | </pre>
|
|---|
| 1035 | <p>Returns the modulus of the two arguments:</p>
|
|---|
| 1036 | <pre class="literal-block">
|
|---|
| 1037 | $(int-mod dividend, divisor)
|
|---|
| 1038 | </pre>
|
|---|
| 1039 | <p>Returns the bitwise two-complement of argument:</p>
|
|---|
| 1040 | <pre class="literal-block">
|
|---|
| 1041 | $(int-not val)
|
|---|
| 1042 | </pre>
|
|---|
| 1043 | <p>Returns the result of a bitwise AND of the arguments:</p>
|
|---|
| 1044 | <pre class="literal-block">
|
|---|
| 1045 | $(int-and val1, val2[, valN])
|
|---|
| 1046 | </pre>
|
|---|
| 1047 | <p>Returns the result of a bitwise OR of the arguments:</p>
|
|---|
| 1048 | <pre class="literal-block">
|
|---|
| 1049 | $(int-or val1, val2[, valN])
|
|---|
| 1050 | </pre>
|
|---|
| 1051 | <p>Returns the result of a bitwise XOR of the arguments:</p>
|
|---|
| 1052 | <pre class="literal-block">
|
|---|
| 1053 | $(int-xor val1, val2[, valN])
|
|---|
| 1054 | </pre>
|
|---|
| 1055 | <p>Returns the <tt class="docutils literal"><span class="pre">kmk</span></tt> boolean (true = non-empty, false = empty) result
|
|---|
| 1056 | of <tt class="docutils literal"><span class="pre">val1</span> <span class="pre">==</span> <span class="pre">val2</span></tt>:</p>
|
|---|
| 1057 | <pre class="literal-block">
|
|---|
| 1058 | $(int-eq val1, val2)
|
|---|
| 1059 | </pre>
|
|---|
| 1060 | <p>Returns the <tt class="docutils literal"><span class="pre">kmk</span></tt> boolean result of <tt class="docutils literal"><span class="pre">val1</span> <span class="pre">!=</span> <span class="pre">val2</span></tt>:</p>
|
|---|
| 1061 | <pre class="literal-block">
|
|---|
| 1062 | $(int-ne val1, val2)
|
|---|
| 1063 | </pre>
|
|---|
| 1064 | <p>Returns the <tt class="docutils literal"><span class="pre">kmk</span></tt> boolean result of <tt class="docutils literal"><span class="pre">val1</span> <span class="pre">></span> <span class="pre">val2</span></tt>:</p>
|
|---|
| 1065 | <pre class="literal-block">
|
|---|
| 1066 | $(int-gt val1, val2)
|
|---|
| 1067 | </pre>
|
|---|
| 1068 | <p>Returns the <tt class="docutils literal"><span class="pre">kmk</span></tt> boolean result of <tt class="docutils literal"><span class="pre">val1</span> <span class="pre">>=</span> <span class="pre">val2</span></tt>:</p>
|
|---|
| 1069 | <pre class="literal-block">
|
|---|
| 1070 | $(int-ge val1, val2)
|
|---|
| 1071 | </pre>
|
|---|
| 1072 | <p>Returns the <tt class="docutils literal"><span class="pre">kmk</span></tt> boolean result of <tt class="docutils literal"><span class="pre">val1</span> <span class="pre"><</span> <span class="pre">val2</span></tt>:</p>
|
|---|
| 1073 | <pre class="literal-block">
|
|---|
| 1074 | $(int-lt val1, val2)
|
|---|
| 1075 | </pre>
|
|---|
| 1076 | <p>Returns the <tt class="docutils literal"><span class="pre">kmk</span></tt> boolean result of <tt class="docutils literal"><span class="pre">val1</span> <span class="pre"><=</span> <span class="pre">val2</span></tt>:</p>
|
|---|
| 1077 | <pre class="literal-block">
|
|---|
| 1078 | $(int-le val1, val2)
|
|---|
| 1079 | </pre>
|
|---|
| 1080 | </blockquote>
|
|---|
| 1081 | <p>Boolean and Conditional Functions:</p>
|
|---|
| 1082 | <blockquote>
|
|---|
| 1083 | <p>Condition is false if the <tt class="docutils literal"><span class="pre">condition</span></tt> evaluates to an empty string
|
|---|
| 1084 | (stripped). Evaluate the <tt class="docutils literal"><span class="pre">true-part</span></tt> if the condition is true, otherwise
|
|---|
| 1085 | the <tt class="docutils literal"><span class="pre">false-part</span></tt>:</p>
|
|---|
| 1086 | <pre class="literal-block">
|
|---|
| 1087 | $(if condition,true-part[,false-part])
|
|---|
| 1088 | </pre>
|
|---|
| 1089 | <p>Test if any of the conditions evalues to non-empty string, returning the
|
|---|
| 1090 | first one:</p>
|
|---|
| 1091 | <pre class="literal-block">
|
|---|
| 1092 | $(or condition1[,condition2[,condition3[...]]])
|
|---|
| 1093 | </pre>
|
|---|
| 1094 | <p>Test if all of the conditions evaluates to non-empty strings, returning the
|
|---|
| 1095 | last one:</p>
|
|---|
| 1096 | <pre class="literal-block">
|
|---|
| 1097 | $(and condition1[,condition2[,condition3[...]]])
|
|---|
| 1098 | </pre>
|
|---|
| 1099 | <p>Test if the two strings are identical, returning <tt class="docutils literal"><span class="pre">kmk</span></tt> boolean (true =
|
|---|
| 1100 | non-empty, false = empty):</p>
|
|---|
| 1101 | <pre class="literal-block">
|
|---|
| 1102 | $(eq str1, str2)
|
|---|
| 1103 | </pre>
|
|---|
| 1104 | <p>Invert a <tt class="docutils literal"><span class="pre">kmk</span></tt> boolean value:</p>
|
|---|
| 1105 | <pre class="literal-block">
|
|---|
| 1106 | $(not val)
|
|---|
| 1107 | </pre>
|
|---|
| 1108 | <p>Test if <tt class="docutils literal"><span class="pre">variable</span></tt> is defined, returning a <tt class="docutils literal"><span class="pre">kmk</span></tt> boolean value:</p>
|
|---|
| 1109 | <pre class="literal-block">
|
|---|
| 1110 | $(defined variable)
|
|---|
| 1111 | </pre>
|
|---|
| 1112 | <p>Test if <tt class="docutils literal"><span class="pre">set-a</span></tt> and <tt class="docutils literal"><span class="pre">set-b</span></tt> intersects, returning a <tt class="docutils literal"><span class="pre">kmk</span></tt> boolean
|
|---|
| 1113 | value:</p>
|
|---|
| 1114 | <pre class="literal-block">
|
|---|
| 1115 | $(intersects set-a, set-b)
|
|---|
| 1116 | </pre>
|
|---|
| 1117 | <p>Same as <tt class="docutils literal"><span class="pre">$(if</span> <span class="pre">)</span></tt> execpt that the condition is a <tt class="docutils literal"><span class="pre">kmk</span></tt>-expression:</p>
|
|---|
| 1118 | <pre class="literal-block">
|
|---|
| 1119 | $(if-expr kmk-expression,true-part[,false-part])
|
|---|
| 1120 | </pre>
|
|---|
| 1121 | <p>Select the first true condition (<tt class="docutils literal"><span class="pre">kmk</span></tt>-expression) and expand the
|
|---|
| 1122 | following body. Special condition strings <tt class="docutils literal"><span class="pre">default</span></tt> and <tt class="docutils literal"><span class="pre">otherwise</span></tt>:</p>
|
|---|
| 1123 | <pre class="literal-block">
|
|---|
| 1124 | $(select when1-cond, when1-body[, whenN-cond, whenN-body])
|
|---|
| 1125 | </pre>
|
|---|
| 1126 | <p>Evalutate the <tt class="docutils literal"><span class="pre">kmk-expression</span></tt> returning what it evalues as. This is
|
|---|
| 1127 | the preferred way of doing arithmentic now:</p>
|
|---|
| 1128 | <pre class="literal-block">
|
|---|
| 1129 | $(expr kmk-expression)
|
|---|
| 1130 | </pre>
|
|---|
| 1131 | </blockquote>
|
|---|
| 1132 | <p>Stack Fuctions:</p>
|
|---|
| 1133 | <blockquote>
|
|---|
| 1134 | <p>Push <tt class="docutils literal"><span class="pre">item</span></tt> onto the <tt class="docutils literal"><span class="pre">stack-var</span></tt>, returning the empty string:</p>
|
|---|
| 1135 | <pre class="literal-block">
|
|---|
| 1136 | $(stack-push stack-var, item)
|
|---|
| 1137 | </pre>
|
|---|
| 1138 | <p>Pop the top item off the <tt class="docutils literal"><span class="pre">stack-var</span></tt>:</p>
|
|---|
| 1139 | <pre class="literal-block">
|
|---|
| 1140 | $(stack-pop stack-var)
|
|---|
| 1141 | </pre>
|
|---|
| 1142 | <p>Pop the top item off the <tt class="docutils literal"><span class="pre">stack-var</span></tt>, returning the empty string:</p>
|
|---|
| 1143 | <pre class="literal-block">
|
|---|
| 1144 | $(stack-popv stack-var)
|
|---|
| 1145 | </pre>
|
|---|
| 1146 | <p>Get the top item of the <tt class="docutils literal"><span class="pre">stack-var</span></tt>, returning the empty string:</p>
|
|---|
| 1147 | <pre class="literal-block">
|
|---|
| 1148 | $(stack-top stack-var)
|
|---|
| 1149 | </pre>
|
|---|
| 1150 | </blockquote>
|
|---|
| 1151 | <p>Advanced Functions:</p>
|
|---|
| 1152 | <blockquote>
|
|---|
| 1153 | <p>Evaluates to the contents of the variable <tt class="docutils literal"><span class="pre">var</span></tt>, with no expansion
|
|---|
| 1154 | performed on it:</p>
|
|---|
| 1155 | <pre class="literal-block">
|
|---|
| 1156 | $(value var)
|
|---|
| 1157 | </pre>
|
|---|
| 1158 | <p>Evaluate <tt class="docutils literal"><span class="pre">body</span></tt> with <tt class="docutils literal"><span class="pre">var</span></tt> bound to each word in <tt class="docutils literal"><span class="pre">words</span></tt>, and
|
|---|
| 1159 | concatenate the results (spaced):</p>
|
|---|
| 1160 | <pre class="literal-block">
|
|---|
| 1161 | $(foreach var,words,body)
|
|---|
| 1162 | </pre>
|
|---|
| 1163 | <p>C-style for-loop. Start by evaluating <tt class="docutils literal"><span class="pre">init</span></tt>. Each iteration will
|
|---|
| 1164 | first check whether the <tt class="docutils literal"><span class="pre">condition</span></tt> (<tt class="docutils literal"><span class="pre">kmk</span></tt>-expression) is true,
|
|---|
| 1165 | then expand <tt class="docutils literal"><span class="pre">body</span></tt> concatenating the result to the previous iterations
|
|---|
| 1166 | (spaced), and finally evaluate <tt class="docutils literal"><span class="pre">next</span></tt>:</p>
|
|---|
| 1167 | <pre class="literal-block">
|
|---|
| 1168 | $(for init,conditions,next,body)
|
|---|
| 1169 | </pre>
|
|---|
| 1170 | <p>C-style while-loop. Each iteration will check whether the <tt class="docutils literal"><span class="pre">condition</span></tt>
|
|---|
| 1171 | (<tt class="docutils literal"><span class="pre">kmk</span></tt>-expression) is true, then expand <tt class="docutils literal"><span class="pre">body</span></tt> concatenating the
|
|---|
| 1172 | result to the previous iterations:</p>
|
|---|
| 1173 | <pre class="literal-block">
|
|---|
| 1174 | $(while conditions,body)
|
|---|
| 1175 | </pre>
|
|---|
| 1176 | <p>Evaluate the variable <tt class="docutils literal"><span class="pre">var</span></tt> replacing any references to <tt class="docutils literal"><span class="pre">$(1)</span></tt>,
|
|---|
| 1177 | <tt class="docutils literal"><span class="pre">$(2)</span></tt> with the first, second, etc. <tt class="docutils literal"><span class="pre">param</span></tt> values:</p>
|
|---|
| 1178 | <pre class="literal-block">
|
|---|
| 1179 | $(call var,param,...)
|
|---|
| 1180 | </pre>
|
|---|
| 1181 | <p>Evaluate <tt class="docutils literal"><span class="pre">text</span></tt> then read the results as makefile commands. Expands
|
|---|
| 1182 | to the empty string:</p>
|
|---|
| 1183 | <pre class="literal-block">
|
|---|
| 1184 | $(eval text)
|
|---|
| 1185 | </pre>
|
|---|
| 1186 | <p>Same as <tt class="docutils literal"><span class="pre">$(eval</span> <span class="pre">text)</span></tt> except that the <tt class="docutils literal"><span class="pre">text</span></tt> is expanded in its
|
|---|
| 1187 | own variable context:</p>
|
|---|
| 1188 | <pre class="literal-block">
|
|---|
| 1189 | $(evalctx text)
|
|---|
| 1190 | </pre>
|
|---|
| 1191 | <p>Same as <tt class="docutils literal"><span class="pre">$(eval</span> <span class="pre">$(value</span> <span class="pre">var))</span></tt>:</p>
|
|---|
| 1192 | <pre class="literal-block">
|
|---|
| 1193 | $(evalval var)
|
|---|
| 1194 | </pre>
|
|---|
| 1195 | <p>Same as <tt class="docutils literal"><span class="pre">$(evalctx</span> <span class="pre">$(value</span> <span class="pre">var))</span></tt>:</p>
|
|---|
| 1196 | <pre class="literal-block">
|
|---|
| 1197 | $(evalvalctx var)
|
|---|
| 1198 | </pre>
|
|---|
| 1199 | <p>A combination of <tt class="docutils literal"><span class="pre">$(eval</span> <span class="pre">)</span></tt>, <tt class="docutils literal"><span class="pre">$(call</span> <span class="pre">)</span></tt> and <tt class="docutils literal"><span class="pre">$(value</span> <span class="pre">)</span></tt>:</p>
|
|---|
| 1200 | <pre class="literal-block">
|
|---|
| 1201 | $(evalcall var)
|
|---|
| 1202 | </pre>
|
|---|
| 1203 | <p>A combination of <tt class="docutils literal"><span class="pre">$(eval</span> <span class="pre">)</span></tt> and <tt class="docutils literal"><span class="pre">$(call</span> <span class="pre">)</span></tt>:</p>
|
|---|
| 1204 | <pre class="literal-block">
|
|---|
| 1205 | $(evalcall var)
|
|---|
| 1206 | </pre>
|
|---|
| 1207 | <p>Remove comments and blank lines from the variable <tt class="docutils literal"><span class="pre">var</span></tt>. Expands to
|
|---|
| 1208 | the empty string:</p>
|
|---|
| 1209 | <pre class="literal-block">
|
|---|
| 1210 | $(eval-opt-var var)
|
|---|
| 1211 | </pre>
|
|---|
| 1212 | <p>Returns accessing <tt class="docutils literal"><span class="pre">$<</span></tt> of <tt class="docutils literal"><span class="pre">target</span></tt>, either retriving the whole thing
|
|---|
| 1213 | or the file at <tt class="docutils literal"><span class="pre">pos</span></tt> (one-origin):</p>
|
|---|
| 1214 | <pre class="literal-block">
|
|---|
| 1215 | $(deps target[, pos])
|
|---|
| 1216 | </pre>
|
|---|
| 1217 | <p>Returns accessing <tt class="docutils literal"><span class="pre">$+</span></tt> (order + duplicates) of <tt class="docutils literal"><span class="pre">target</span></tt>, either
|
|---|
| 1218 | retriving the whole thing or the file at <tt class="docutils literal"><span class="pre">pos</span></tt> (one-origin):</p>
|
|---|
| 1219 | <pre class="literal-block">
|
|---|
| 1220 | $(deps-all target[, pos])
|
|---|
| 1221 | </pre>
|
|---|
| 1222 | <p>Returns accessing <tt class="docutils literal"><span class="pre">$?</span></tt> of <tt class="docutils literal"><span class="pre">target</span></tt>, either retriving the whole
|
|---|
| 1223 | thing or the file at <tt class="docutils literal"><span class="pre">pos</span></tt> (one-origin):</p>
|
|---|
| 1224 | <pre class="literal-block">
|
|---|
| 1225 | $(deps-newer target[, pos])
|
|---|
| 1226 | </pre>
|
|---|
| 1227 | <p>Returns accessing <tt class="docutils literal"><span class="pre">$|</span></tt> (order only) of <tt class="docutils literal"><span class="pre">target</span></tt>, either retriving the
|
|---|
| 1228 | whole thing or the file at <tt class="docutils literal"><span class="pre">pos</span></tt> (one-origin):</p>
|
|---|
| 1229 | <pre class="literal-block">
|
|---|
| 1230 | $(deps-oo target[, pos])
|
|---|
| 1231 | </pre>
|
|---|
| 1232 | </blockquote>
|
|---|
| 1233 | <p>Command Functions:</p>
|
|---|
| 1234 | <blockquote>
|
|---|
| 1235 | <p>Create one or more command lines avoiding the max argument
|
|---|
| 1236 | length restriction of the host OS:</p>
|
|---|
| 1237 | <pre class="literal-block">
|
|---|
| 1238 | $(xargs ar cas mylib.a,$(objects))
|
|---|
| 1239 | $(xargs ar cas mylib.a,ar as mylib.a,$(objects))
|
|---|
| 1240 | </pre>
|
|---|
| 1241 | <p>Returns the commands for the specified target separated by new-line, space,
|
|---|
| 1242 | or a user defined string. Note that this might not produce the 100% correct
|
|---|
| 1243 | result if any of the prerequisite automatic variables are used:</p>
|
|---|
| 1244 | <pre class="literal-block">
|
|---|
| 1245 | $(commands target)
|
|---|
| 1246 | $(commands-sc target)
|
|---|
| 1247 | $(commands-usr target,sep)
|
|---|
| 1248 | </pre>
|
|---|
| 1249 | <p>Compares two commands returning the empty string if equal and the 3rd
|
|---|
| 1250 | argument if not. This differs from <tt class="docutils literal"><span class="pre">$(comp-vars</span> <span class="pre">v1,v2,ne)</span></tt> in that
|
|---|
| 1251 | line by line is stripped of leading spaces, command prefixes and
|
|---|
| 1252 | trailing spaces before comparing:</p>
|
|---|
| 1253 | <pre class="literal-block">
|
|---|
| 1254 | $(comp-cmds cmds-var1, cmds-var2, ne)
|
|---|
| 1255 | $(comp-cmds-ex cmds1, cmd2, ne)
|
|---|
| 1256 | </pre>
|
|---|
| 1257 | <p>Compares the values of the two variables returning the empty string if
|
|---|
| 1258 | equal and the 3rd argument if not. Leading and trailing spaces is ignored:</p>
|
|---|
| 1259 | <pre class="literal-block">
|
|---|
| 1260 | $(comp-var var1, var2, ne)
|
|---|
| 1261 | </pre>
|
|---|
| 1262 | </blockquote>
|
|---|
| 1263 | <p>Utility functions:</p>
|
|---|
| 1264 | <blockquote>
|
|---|
| 1265 | <p>When this function is evaluated, <tt class="docutils literal"><span class="pre">kmk</span></tt> generates a fatal error with the
|
|---|
| 1266 | message <tt class="docutils literal"><span class="pre">text</span></tt>:</p>
|
|---|
| 1267 | <pre class="literal-block">
|
|---|
| 1268 | $(error text...)
|
|---|
| 1269 | </pre>
|
|---|
| 1270 | <p>When this function is evaluated, <tt class="docutils literal"><span class="pre">kmk</span></tt> generates a warning with the
|
|---|
| 1271 | message <tt class="docutils literal"><span class="pre">text</span></tt>:</p>
|
|---|
| 1272 | <pre class="literal-block">
|
|---|
| 1273 | $(warning text...)
|
|---|
| 1274 | </pre>
|
|---|
| 1275 | <p>When this function is evaluated, <tt class="docutils literal"><span class="pre">kmk</span></tt> generates a info with the
|
|---|
| 1276 | message <tt class="docutils literal"><span class="pre">text</span></tt>:</p>
|
|---|
| 1277 | <pre class="literal-block">
|
|---|
| 1278 | $(info text...)
|
|---|
| 1279 | </pre>
|
|---|
| 1280 | <p>Execute a shell <tt class="docutils literal"><span class="pre">command</span></tt> and return its output:</p>
|
|---|
| 1281 | <pre class="literal-block">
|
|---|
| 1282 | $(shell command)
|
|---|
| 1283 | </pre>
|
|---|
| 1284 | <p>Return a string describing how the <tt class="docutils literal"><span class="pre">kmk</span></tt> variable <tt class="docutils literal"><span class="pre">variable</span></tt> was defined:</p>
|
|---|
| 1285 | <pre class="literal-block">
|
|---|
| 1286 | $(origin variable)
|
|---|
| 1287 | </pre>
|
|---|
| 1288 | <p>Return a string describing the flavor of the <tt class="docutils literal"><span class="pre">kmk</span></tt> variable <tt class="docutils literal"><span class="pre">variable</span></tt>:</p>
|
|---|
| 1289 | <pre class="literal-block">
|
|---|
| 1290 | $(flavor variable)
|
|---|
| 1291 | </pre>
|
|---|
| 1292 | <p>Returns the current local time and date formatted in the <tt class="docutils literal"><span class="pre">strftime</span></tt>
|
|---|
| 1293 | style specifier <tt class="docutils literal"><span class="pre">fmt</span></tt>. <tt class="docutils literal"><span class="pre">fmt</span></tt> defaults to <tt class="docutils literal"><span class="pre">%Y-%m-%dT%H:%M:%S</span></tt> when
|
|---|
| 1294 | not specified:</p>
|
|---|
| 1295 | <pre class="literal-block">
|
|---|
| 1296 | $(date fmt)
|
|---|
| 1297 | </pre>
|
|---|
| 1298 | <p>Returns the current UTC time and date formatted in the <tt class="docutils literal"><span class="pre">strftime</span></tt>
|
|---|
| 1299 | style specifier <tt class="docutils literal"><span class="pre">fmt</span></tt>. <tt class="docutils literal"><span class="pre">fmt</span></tt> defaults to <tt class="docutils literal"><span class="pre">%Y-%m-%dT%H:%M:%SZ</span></tt> when
|
|---|
| 1300 | not specified:</p>
|
|---|
| 1301 | <pre class="literal-block">
|
|---|
| 1302 | $(date-utc fmt)
|
|---|
| 1303 | </pre>
|
|---|
| 1304 | <p>Reformats the <tt class="docutils literal"><span class="pre">in</span></tt> time and date using <tt class="docutils literal"><span class="pre">fmt</span></tt>. The <tt class="docutils literal"><span class="pre">in-fmt</span></tt> defaults
|
|---|
| 1305 | to <tt class="docutils literal"><span class="pre">fmt</span></tt> if not specified. While <tt class="docutils literal"><span class="pre">fmt</span></tt> defaults to
|
|---|
| 1306 | <tt class="docutils literal"><span class="pre">%Y-%m-%dT%H:%M:%SZ</span></tt> if not specified:</p>
|
|---|
| 1307 | <pre class="literal-block">
|
|---|
| 1308 | $(date-utc fmt,time,in-fmt)
|
|---|
| 1309 | </pre>
|
|---|
| 1310 | <p>Returns the current nanosecond timestamp (monotonic when possible):</p>
|
|---|
| 1311 | <pre class="literal-block">
|
|---|
| 1312 | $(nanots )
|
|---|
| 1313 | </pre>
|
|---|
| 1314 | <p>Returns the size of the specified file, or -1 if the size could not
|
|---|
| 1315 | be obtained. This can be used to check if a file exist or not:</p>
|
|---|
| 1316 | <pre class="literal-block">
|
|---|
| 1317 | $(file-size file)
|
|---|
| 1318 | </pre>
|
|---|
| 1319 | <p>Searches the <tt class="docutils literal"><span class="pre">PATH</span></tt> <tt class="docutils literal"><span class="pre">kmk</span></tt> variable for the specified <tt class="docutils literal"><span class="pre">files</span></tt>:</p>
|
|---|
| 1320 | <pre class="literal-block">
|
|---|
| 1321 | $(which files...)
|
|---|
| 1322 | </pre>
|
|---|
| 1323 | <p>OS/2: Returns the specified LIBPATH variable value:</p>
|
|---|
| 1324 | <pre class="literal-block">
|
|---|
| 1325 | $(libpath var)
|
|---|
| 1326 | </pre>
|
|---|
| 1327 | <p>OS/2: Sets the specified LIBPATH variable value, returning the empty string:</p>
|
|---|
| 1328 | <pre class="literal-block">
|
|---|
| 1329 | $(libpath var,value)
|
|---|
| 1330 | </pre>
|
|---|
| 1331 | </blockquote>
|
|---|
| 1332 | <p>Debugging Functions:</p>
|
|---|
| 1333 | <blockquote>
|
|---|
| 1334 | <p>Returns various make statistics, if no item is specified a default
|
|---|
| 1335 | selection is returned:</p>
|
|---|
| 1336 | <pre class="literal-block">
|
|---|
| 1337 | $(make-stats item[,itemN])
|
|---|
| 1338 | </pre>
|
|---|
| 1339 | <p>Raise a debug breakpoint. Used for debugging <tt class="docutils literal"><span class="pre">kmk</span></tt> makefile parsing:</p>
|
|---|
| 1340 | <pre class="literal-block">
|
|---|
| 1341 | $(breakpoint )
|
|---|
| 1342 | </pre>
|
|---|
| 1343 | </blockquote>
|
|---|
| 1344 | <hr class="docutils" />
|
|---|
| 1345 | <table class="docutils footnote" frame="void" id="id15" rules="none">
|
|---|
| 1346 | <colgroup><col class="label" /><col /></colgroup>
|
|---|
| 1347 | <tbody valign="top">
|
|---|
| 1348 | <tr><td class="label"><a name="id15">[1]</a></td><td><em>(<a class="fn-backref" href="#id1">1</a>, <a class="fn-backref" href="#id2">2</a>, <a class="fn-backref" href="#id3">3</a>, <a class="fn-backref" href="#id4">4</a>, <a class="fn-backref" href="#id5">5</a>, <a class="fn-backref" href="#id6">6</a>, <a class="fn-backref" href="#id7">7</a>, <a class="fn-backref" href="#id8">8</a>, <a class="fn-backref" href="#id9">9</a>, <a class="fn-backref" href="#id10">10</a>, <a class="fn-backref" href="#id11">11</a>, <a class="fn-backref" href="#id12">12</a>, <a class="fn-backref" href="#id13">13</a>, <a class="fn-backref" href="#id14">14</a>)</em> <tt class="docutils literal"><span class="pre">kmk</span></tt> only feature.</td></tr>
|
|---|
| 1349 | </tbody>
|
|---|
| 1350 | </table>
|
|---|
| 1351 | <hr class="docutils" />
|
|---|
| 1352 | <table class="docutils field-list" frame="void" rules="none">
|
|---|
| 1353 | <col class="field-name" />
|
|---|
| 1354 | <col class="field-body" />
|
|---|
| 1355 | <tbody valign="top">
|
|---|
| 1356 | <tr class="field"><th class="field-name">Status:</th><td class="field-body"><p class="first">$Id: QuickReference-kmk.html 2169 2008-12-30 17:07:09Z bird $</p>
|
|---|
| 1357 | </td>
|
|---|
| 1358 | </tr>
|
|---|
| 1359 | <tr class="field"><th class="field-name">Copyright:</th><td class="field-body"><p class="first">Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
|
|---|
| 1360 | 1996, 1997, 1998, 1999, 2000, 2002, 2003, 2004, 2005, 2006,
|
|---|
| 1361 | 2007 Free Software Foundation, Inc.</p>
|
|---|
| 1362 | <p class="last">Copyright (C) 2008 Knut St. Osmundsen</p>
|
|---|
| 1363 | </td>
|
|---|
| 1364 | </tr>
|
|---|
| 1365 | </tbody>
|
|---|
| 1366 | </table>
|
|---|
| 1367 | </div>
|
|---|
| 1368 | </div>
|
|---|
| 1369 | </body>
|
|---|
| 1370 | </html>
|
|---|
