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maint: update copyright notices for 2012
author John W. Eaton <jwe@octave.org>
date Mon, 02 Jan 2012 14:25:41 -0500
parents b0cdd60db5e5
children 87f06b9990bb
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14138
72c96de7a403 maint: update copyright notices for 2012
John W. Eaton <jwe@octave.org>
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1 @c Copyright (C) 1996-2012 John W. Eaton
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2 @c
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3 @c This file is part of Octave.
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4 @c
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5 @c Octave is free software; you can redistribute it and/or modify it
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6 @c under the terms of the GNU General Public License as published by the
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7 @c Free Software Foundation; either version 3 of the License, or (at
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8 @c your option) any later version.
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9 @c
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10 @c Octave is distributed in the hope that it will be useful, but WITHOUT
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11 @c ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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12 @c FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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13 @c for more details.
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14 @c
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15 @c You should have received a copy of the GNU General Public License
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16 @c along with Octave; see the file COPYING. If not, see
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17 @c <http://www.gnu.org/licenses/>.
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18
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19 @c The text of this file appears in the file INSTALL in the Octave
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20 @c distribution, as well as in the Octave manual.
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21
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22 @ifclear INSTALLONLY
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23 @node Installation
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24 @appendix Installing Octave
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25 @end ifclear
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26
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27 @ifset INSTALLONLY
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28
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29 This file documents the installation of Octave.
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30
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31 Octave is free software; you can redistribute it and/or modify it
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32 under the terms of the GNU General Public License as published by the
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33 Free Software Foundation.
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34
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35 @strong{Note}: This file is automatically generated from
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36 @file{doc/interpreter/install.txi} in the Octave sources. To update
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37 the documentation make changes to the .txi source file rather than this
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38 derived file.
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39
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40 @node Installation
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41 @chapter Installing Octave
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42 @end ifset
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43
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44 @cindex installing Octave
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45
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46 The procedure for installing Octave from source on a Unix-like system is
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47 described below. Building on other platforms will follow similar steps.
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48
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49 @itemize @bullet
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50 @item
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51 Run the shell script @file{configure}. This will determine the features
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52 your system has (or doesn't have) and create a file named
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53 @file{Makefile} from each of the files named @file{Makefile.in}.
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54
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55 Here is a summary of the configure options that are most frequently used
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56 when building Octave:
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57
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58 @table @code
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59 @item --help
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60 Print a summary of the options recognized by the configure script.
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61
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62 @item --prefix=@var{prefix}
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63 Install Octave in subdirectories below @var{prefix}. The default value
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64 of @var{prefix} is @file{/usr/local}.
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65
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66 @item --srcdir=@var{dir}
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67 Look for Octave sources in the directory @var{dir}.
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68
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69 @item --enable-64
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70 This is an @strong{experimental} option to enable Octave to use 64-bit
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71 integers for array dimensions and indexing on 64-bit platforms. You
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72 probably don't want to use this option unless you know what you are
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73 doing. @xref{Compiling Octave with 64-bit Indexing}, for more details
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74 about building Octave with this option.
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75
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76 @item --enable-bounds-check
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77 Enable bounds checking for indexing operators in the internal array
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78 classes. This option is primarily used for debugging Octave. Building
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79 Octave with this option has a negative impact on performance and is not
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80 recommended for general use.
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81
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82 @item --disable-docs
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83 Disable building all forms of the documentation (Info, PDF, HTML). The
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84 default is to build documentation, but your system will need functioning
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85 Texinfo and @TeX{} installs for this to succeed.
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86
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87 @item --enable-float-truncate
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88 This option allows for truncation of intermediate floating point results
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89 in calculations. It is only necessary for certain platforms.
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90
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91 @item --enable-readline
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92 Use the readline library to provide for editing of the command line in
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93 terminal environments. This option is on by default.
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95 @item --enable-shared
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96 Create shared libraries (this is the default). If you are planning to
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97 use the dynamic loading features, you will probably want to use this
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98 option. It will make your @file{.oct} files much smaller and on some
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99 systems it may be necessary to build shared libraries in order to use
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100 dynamically linked functions.
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101
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102 You may also want to build a shared version of @code{libstdc++}, if your
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103 system doesn't already have one.
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104
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105 @item --enable-dl
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106 Use @code{dlopen} and friends to make Octave capable of dynamically
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107 linking externally compiled functions (this is the default if
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108 @option{--enable-shared} is specified). This option only works on
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109 systems that actually have these functions. If you plan on using this
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110 feature, you should probably also use @option{--enable-shared} to reduce
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111 the size of your @file{.oct} files.
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112
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113 @item --with-blas=<lib>
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114 By default, configure looks for the best @sc{blas} matrix libraries on
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115 your system, including optimized implementations such as the free ATLAS
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116 3.0, as well as vendor-tuned libraries. (The use of an optimized
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117 @sc{blas} will generally result in several-times faster matrix
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118 operations.) Use this option to specify a particular @sc{blas} library
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119 that Octave should use.
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120
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121 @item --with-lapack=<lib>
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122 By default, configure looks for the best @sc{lapack} matrix libraries on
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123 your system, including optimized implementations such as the free ATLAS
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124 3.0, as well as vendor-tuned libraries. (The use of an optimized
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125 @sc{lapack} will generally result in several-times faster matrix
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126 operations.) Use this option to specify a particular @sc{lapack}
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127 library that Octave should use.
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128
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129 @item --with-magick=<lib>
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130 Select the library to use for image I/O@. The two possible values are
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131 "GraphicsMagick" (default) or "ImageMagick".
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132
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133 @item --with-sepchar=<char>
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134 Use <char> as the path separation character. This option can help when
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135 running Octave on non-Unix systems.
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136
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137 @item --without-amd
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138 Don't use @sc{amd}, disable some sparse matrix functionality.
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139
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140 @item --without-camd
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141 Don't use @sc{camd}, disable some sparse matrix functionality.
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142
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143 @item --without-colamd
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144 Don't use @sc{colamd}, disable some sparse matrix functionality.
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145
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146 @item --without-ccolamd
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147 Don't use @sc{ccolamd}, disable some sparse matrix functionality.
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148
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149 @item --without-cholmod
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150 Don't use @sc{cholmod}, disable some sparse matrix functionality.
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151
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152 @item --without-curl
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153 Don't use the cURL library, disable the ftp objects, @code{urlread} and
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154 @code{urlwrite} functions.
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155
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156 @item --without-cxsparse
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157 Don't use @sc{cxsparse}, disable some sparse matrix functionality.
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158
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159 @item --without-fftw3
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160 Use the included @sc{fftpack} library for computing Fast Fourier
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161 Transforms instead of the @sc{fftw3} library.
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162
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163 @item --without-fftw3f
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164 Use the included @sc{fftpack} library for computing Fast Fourier
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165 Transforms instead of the @sc{fftw3} library when operating on single
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166 precision (float) values.
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167
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168 @item --without-glpk
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169 Don't use the @sc{glpk} library for linear programming.
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170
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171 @item --without-hdf5
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172 Don't use the @sc{hdf5} library, disable reading and writing of
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173 @sc{hdf5} files.
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174
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175 @item --without-opengl
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176 Don't use OpenGL, disable native graphics toolkit for plotting. You
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177 will need @code{gnuplot} installed in order to make plots.
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178
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179 @item --without-qhull
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180 Don't use Qhull, disable @code{delaunay}, @code{convhull}, and
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181 related functions.
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182
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183 @item --without-qrupdate
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184 Don't use @sc{qrupdate}, disable QR and Cholesky update functions.
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185
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186 @item --without-umfpack
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187 Don't use @sc{umfpack}, disable some sparse matrix functionality.
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188
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189 @item --without-zlib
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190 Don't use the zlib library, disable data file compression and support
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191 for recent MAT file formats.
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192
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193 @item --without-framework-carbon
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194 Don't use framework Carbon headers, libraries, or specific source code
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195 even if the configure test succeeds (the default is to use Carbon
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196 framework if available). This is a platform specific configure option
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197 for Mac systems.
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198
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199 @item --without-framework-opengl
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200 Don't use framework OpenGL headers, libraries, or specific source code
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201 even if the configure test succeeds. If this option is given then
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202 OpenGL headers and libraries in standard system locations are tested
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203 (the default value is @option{--with-framework-opengl}). This is a
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204 platform specific configure option for Mac systems.
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205
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206 @end table
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207
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208 See the file @file{INSTALL} for more general information about the
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209 command line options used by configure. That file also contains
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210 instructions for compiling in a directory other than the one where
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211 the source is located.
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212
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213 @item
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214 Run make.
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215
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216 You will need a recent version of GNU Make as Octave relies on certain
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217 features not generally available in all versions of make. Modifying
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218 Octave's makefiles to work with other make programs is probably not
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219 worth your time; instead, we simply recommend installing GNU Make.
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220
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221 There are currently two options for plotting in Octave: (1) the external
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222 program gnuplot, or (2) the internal graphics engine using OpenGL and
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223 FLTK@. Gnuplot is a command-driven interactive function plotting
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224 program. Gnuplot is copyrighted, but freely distributable. As of
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225 Octave release 3.4, gnuplot is the default option for plotting. But,
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226 the internal graphics engine is nearly 100% compatible, certainly for
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227 most ordinary plots, and users are encouraged to test it. It is
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228 anticipated that the internal engine will become the default option at
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229 the next major release of Octave.
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230
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231 To compile Octave, you will need a recent version of @code{g++} or other
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232 ANSI C++ compiler. In addition, you will need a Fortran 77 compiler or
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233 @code{f2c}. If you use @code{f2c}, you will need a script like
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234 @code{fort77} that works like a normal Fortran compiler by combining
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235 @code{f2c} with your C compiler in a single script.
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236
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237 If you plan to modify the parser you will also need GNU @code{bison} and
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238 @code{flex}. If you modify the documentation, you will need GNU
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239 Texinfo.
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240
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241 GNU Make, @code{gcc} (and @code{libstdc++}), @code{gnuplot},
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242 @code{bison}, @code{flex}, and Texinfo are all available from many
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243 anonymous ftp archives. The primary site is @url{ftp.gnu.org}, but it
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244 is often very busy. A list of sites that mirror the software on
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245 @url{ftp.gnu.org} is available by anonymous ftp from
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246 @url{ftp://ftp.gnu.org/pub/gnu/GNUinfo/FTP}.
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247
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248 Octave requires approximately 1.4 GB of disk storage to unpack and
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249 compile from source (significantly less, 400 MB, if you don't compile
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250 with debugging symbols). To compile without debugging symbols try the
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251 command
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252
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253 @example
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254 make CFLAGS=-O CXXFLAGS=-O LDFLAGS=
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255 @end example
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256
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257 @noindent
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258 instead of just @command{make}.
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259
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260 @item
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261 If you encounter errors while compiling Octave, first check the list of
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262 known problems below to see if there is a workaround or solution for
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263 your problem. If not,
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264 @ifclear INSTALLONLY
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265 see @ref{Trouble},
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266 @end ifclear
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267 @ifset INSTALLONLY
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268 see the file BUGS
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269 @end ifset
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270 for information about how to report bugs.
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271
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272 @item
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273 Once you have successfully compiled Octave, run @code{make install}.
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274
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275 This will install a copy of Octave, its libraries, and its documentation
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276 in the destination directory. As distributed, Octave is installed in
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277 the following directories. In the table below, @var{prefix} defaults to
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278 @file{/usr/local}, @var{version} stands for the current version number
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279 of the interpreter, and @var{arch} is the type of computer on which
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280 Octave is installed (for example, @samp{i586-unknown-gnu}).
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281
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282 @table @file
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283 @item @var{prefix}/bin
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284 Octave and other binaries that people will want to run directly.
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285
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286 @item @var{prefix}/lib/octave-@var{version}
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287 Libraries like libcruft.a and liboctave.a.
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288
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289 @item @var{prefix}/octave-@var{version}/include/octave
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290 Include files distributed with Octave.
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291
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292 @item @var{prefix}/share
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293 Architecture-independent data files.
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294
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295 @item @var{prefix}/share/man/man1
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296 Unix-style man pages describing Octave.
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297
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298 @item @var{prefix}/share/info
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299 Info files describing Octave.
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300
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301 @item @var{prefix}/share/octave/@var{version}/m
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302 Function files distributed with Octave. This includes the Octave
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303 version, so that multiple versions of Octave may be installed at the
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304 same time.
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305
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306 @item @var{prefix}/libexec/octave/@var{version}/exec/@var{arch}
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307 Executables to be run by Octave rather than the user.
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308
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309 @item @var{prefix}/lib/octave/@var{version}/oct/@var{arch}
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310 Object files that will be dynamically loaded.
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311
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312 @item @var{prefix}/share/octave/@var{version}/imagelib
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313 Image files that are distributed with Octave.
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314 @end table
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315 @end itemize
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316
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317 @menu
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318 * Compiling Octave with 64-bit Indexing::
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319 * Installation Problems::
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320 @end menu
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321
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322 @node Compiling Octave with 64-bit Indexing
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323 @appendixsec Compiling Octave with 64-bit Indexing
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324
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325 Note: the following only applies to systems that have 64-bit pointers.
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326 Configuring Octave with @option{--enable-64} cannot magically make a
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327 32-bit system have a 64-bit address space.
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328
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329 On 64-bit systems, Octave is limited to (approximately) the following
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330 array sizes when using the default 32-bit indexing mode:
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331
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332 @example
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333 @group
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334 double: 16GB
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335 single: 8GB
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336 uint64, int64: 16GB
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337 uint32, int32: 8GB
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338 uint16, int16: 4GB
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339 uint8, int8: 2GB
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340 @end group
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341 @end example
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342
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343 In each case, the limit is really (approximately) @math{2^{31}} elements
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344 because of the default type of the value used for indexing arrays
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345 (signed 32-bit integer, corresponding to the size of a Fortran INTEGER
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346 value).
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347
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348 Trying to create larger arrays will produce the following error:
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349
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350 @example
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351 @group
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352 octave:1> a = zeros (1024*1024*1024*3, 1, 'int8');
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353 error: memory exhausted or requested size too large
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354 for range of Octave's index type --
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355 trying to return to prompt
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356 @end group
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357 @end example
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358
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359 @noindent
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360 You will obtain this error even if your system has enough memory to
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361 create this array (4 GB in the above case).
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362
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363 To use arrays larger than 2 GB, Octave has to be configured with the
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364 option @option{--enable-64}. This option is experimental and you are
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365 encouraged to submit bug reports if you find a problem. With this
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366 option, Octave will use 64-bit integers internally for array dimensions
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367 and indexing. However, all numerical libraries used by Octave will
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368 @strong{also} need to use 64-bit integers for array dimensions and
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369 indexing. In most cases, this means they will need to be compiled from
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370 source since most (all?) distributions which package these libraries
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371 compile them with the default Fortran integer size, which is normally
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372 32-bits wide.
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373
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374 The following instructions were tested with the development version of
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375 Octave and GCC 4.3.4 on an x86_64 Debian system.
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376
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377 The versions listed below are the versions used for testing. If newer
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378 versions of these packages are available, you should try to use them,
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379 although there may be some differences.
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380
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381 All libraries and header files will be installed in subdirectories of
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382 @code{$prefix64} (you must choose the location of this directory).
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383
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384 @itemize @bullet
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385 @item @sc{blas} and @sc{lapack} (@url{http://www.netlib.org/lapack})
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386
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387 Reference versions for both libraries are included in the reference
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388 @sc{lapack} 3.2.1 distribution from @url{netlib.org}.
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389
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390 @itemize @minus
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391 @item
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392 Copy the file @file{make.inc.example} and name it @file{make.inc}.
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393 The options @option{-fdefault-integer-8} and @option{-fPIC} (on 64-bit
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394 CPU) have to be added to the variable @code{OPTS} and @code{NOOPT}.
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395
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396 @item
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397 Once you have compiled this library make sure that you use it for
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398 compiling Suite Sparse and Octave. In the following we assume that
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399 you installed the @sc{lapack} library as $prefix64/lib/liblapack.a.
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400 @end itemize
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401
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402 @item QRUPDATE (@url{http://sourceforge.net/projects/qrupdate})
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403
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404 In the @file{Makeconf} file:
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405
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406 @itemize @minus
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407 @item
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408 Add @option{-fdefault-integer-8} to @env{FFLAGS}.
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409
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410 @item
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411 Adjust the @sc{blas} and @sc{lapack} variables as needed if your 64-bit
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412 aware @sc{blas} and @sc{lapack} libraries are in a non-standard
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413 location.
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414
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415 @item
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416 Set @env{PREFIX} to the top-level directory of your install tree.
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417
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418 @item
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419 Run @code{make solib} to make a shared library.
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420
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421 @item
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422 Run @code{make install} to install the library.
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423 @end itemize
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424
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425 @item
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426 SuiteSparse (@url{http://www.cise.ufl.edu/research/sparse/SuiteSparse})
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427
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428 @itemize @minus
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429 @item
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430 In @file{UFconfig/UFconfig.mk} use the following options for
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431 @env{CFLAGS} and @env{F77FLAGS}:
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432
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433 @example
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434 @group
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435 CC = gcc
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436 CFLAGS = -fPIC -O -DLP64 -DLONGBLAS='long int' -DLONG='long int'
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437 F77 = gfortran
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438 F77FLAGS = -fPIC -O -fdefault-integer-8
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439 BLAS = -L$BLAS/lib -lblas -lgfortran"
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440 LAPACK = -L$LAPACK/lib -llapack"
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441 @end group
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442 @end example
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443
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444 @item
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445 Disable the GPL-incompatible @code{METIS} library:
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446
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447 @example
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448 @group
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449 CHOLMOD_CONFIG = -DNPARTITION
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450 SPQR_CONFIG = -DNPARTITION
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451 METIS_PATH =
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452 METIS =
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453 @end group
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454 @end example
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455
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456 @item
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457 Disable the @code{DI} versions of the @code{CHOLMOD} library files by
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458 setting
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459
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460 @example
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461 OBJ = $(DL)
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462 @end example
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463
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464 @noindent
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465 in @file{CHOLMOD/Lib/Makefile}.
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466
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467 @item
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468 Disable the @code{DI} versions of the @code{CHOLMOD} tests by commenting
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469 out or deleting the following lines in @file{CHOLMOD/Demo/Makefile}:
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470
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471 @example
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472 @group
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473 ./cholmod_demo < Matrix/bcsstk01.tri
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474 ./cholmod_demo < Matrix/lp_afiro.tri
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475 ./cholmod_demo < Matrix/can___24.mtx
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476 ./cholmod_demo < Matrix/c.tri
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477 ./cholmod_simple < Matrix/c.tri
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478 ./cholmod_simple < Matrix/can___24.mtx
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479 ./cholmod_simple < Matrix/bcsstk01.tri
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480 @end group
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481 @end example
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482
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483 @item
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484 Run @command{make} to build the libraries.
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485
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486 @item
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487 The SuiteSparse @file{Makefile} does not have an install target so
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488 you must install the files by hand:
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489
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490 @example
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491 @group
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492 mkdir $prefix64/include/suitesparse
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493 cp UFconfig/UFconfig.h $prefix64/include/suitesparse
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494 for d in AMD BTF CAMD CCOLAMD \
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495 CHOLMOD COLAMD CXSparse UMFPACK; do
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496 cp $d/Lib/lib*a $prefix64/lib
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497 cp $d/Include/*h $prefix64/include/suitesparse
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498 done
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499 @end group
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500 @end example
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501
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502 @item
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503 You can generate shared versions of these libraries by doing the
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504 following in the @file{$prefix64/lib} directory:
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505
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506 @example
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507 @group
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508 top=$(pwd)
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509 for f in *.a; do
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510 mkdir tmp
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511 cd tmp
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512 ar vx ../$f
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513 gcc -shared -o ../$@{f%%.a@}.so *.o
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514 cd $top
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diff changeset
515 rm -rf tmp
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diff changeset
516 done
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diff changeset
517 @end group
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diff changeset
518 @end example
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519
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520 @end itemize
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521
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522 @item ATLAS instead of reference @sc{blas} and @sc{lapack}
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523
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diff changeset
524 Suggestions on how to compile ATLAS would be most welcome.
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525
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diff changeset
526 @item @sc{glpk}
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527
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diff changeset
528 Suggestions on how to compile @sc{glpk} would be most welcome.
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529
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530 @item Qhull (@url{http://www.qhull.org})
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diff changeset
531
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diff changeset
532 Suggestions on how to compile Qhull would be most welcome.
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533
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534 @item Octave
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535
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diff changeset
536 Octave's 64-bit index support is activated with the configure option
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diff changeset
537 @option{--enable-64}.
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538
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diff changeset
539 @example
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diff changeset
540 @group
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parents: 11291
diff changeset
541 ./configure \
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542 LD_LIBRARY_PATH="$prefix64/lib" \
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543 CPPFLAGS="-I$prefix64/include" LDFLAGS="-L$prefix64/lib" \
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544 --enable-64
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545 @end group
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546 @end example
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diff changeset
547
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parents: 11291
diff changeset
548 You must ensure that all Fortran sources except those in the
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diff changeset
549 @file{libcruft/ranlib} directory are compiled such that INTEGERS are
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parents: 11291
diff changeset
550 8-bytes wide. If you are using gfortan, the configure script should
12575
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parents: 12462
diff changeset
551 automatically set the Makefile variable @w{@env{F77_INTEGER_8_FLAG}} to
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diff changeset
552 @option{-fdefault-integer-8}. If you are using another compiler, you
e971caa4c2bb doc/interpreter/install.txi: explain how to compile Octave with 64-bit indexing
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parents: 11291
diff changeset
553 must set this variable yourself. You should NOT set this flag in
11573
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parents: 11523
diff changeset
554 @env{FFLAGS}, otherwise the files in @file{libcruft/ranlib} will be
11302
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parents: 11291
diff changeset
555 miscompiled.
e971caa4c2bb doc/interpreter/install.txi: explain how to compile Octave with 64-bit indexing
John W. Eaton <jwe@octave.org>
parents: 11291
diff changeset
556
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557 @item Other dependencies
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diff changeset
558
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diff changeset
559 Probably nothing special needs to be done for the following
e971caa4c2bb doc/interpreter/install.txi: explain how to compile Octave with 64-bit indexing
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diff changeset
560 dependencies. If you discover that something does need to be done,
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parents: 11291
diff changeset
561 please submit a bug report.
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diff changeset
562
e971caa4c2bb doc/interpreter/install.txi: explain how to compile Octave with 64-bit indexing
John W. Eaton <jwe@octave.org>
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diff changeset
563 @itemize @minus
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12218
diff changeset
564 @item pcre
11573
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diff changeset
565
11302
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diff changeset
566 @item zlib
11573
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diff changeset
567
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diff changeset
568 @item hdf5
11573
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parents: 11523
diff changeset
569
11302
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diff changeset
570 @item fftw3
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diff changeset
571
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572 @item cURL
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diff changeset
573
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diff changeset
574 @item GraphicsMagick++
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diff changeset
575
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diff changeset
576 @item OpenGL
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parents: 11523
diff changeset
577
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diff changeset
578 @item freetype
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parents: 11523
diff changeset
579
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diff changeset
580 @item fontconfig
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parents: 11523
diff changeset
581
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diff changeset
582 @item fltk
e971caa4c2bb doc/interpreter/install.txi: explain how to compile Octave with 64-bit indexing
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parents: 11291
diff changeset
583 @end itemize
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diff changeset
584
e971caa4c2bb doc/interpreter/install.txi: explain how to compile Octave with 64-bit indexing
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parents: 11291
diff changeset
585 @end itemize
e971caa4c2bb doc/interpreter/install.txi: explain how to compile Octave with 64-bit indexing
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parents: 11291
diff changeset
586
4167
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diff changeset
587 @node Installation Problems
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diff changeset
588 @appendixsec Installation Problems
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589
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diff changeset
590 This section contains a list of problems (and some apparent problems
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diff changeset
591 that don't really mean anything is wrong) that may show up during
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jwe
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diff changeset
592 installation of Octave.
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diff changeset
593
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
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diff changeset
594 @itemize @bullet
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diff changeset
595 @item
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
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diff changeset
596 On some SCO systems, @code{info} fails to compile if
12152
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parents: 11573
diff changeset
597 @w{@code{HAVE_TERMIOS_H}} is defined in @file{config.h}. Simply
8e1ab522c902 Update build instructions in INSTALL.OCTAVE for release 3.4.
Rik <octave@nomad.inbox5.com>
parents: 11573
diff changeset
598 removing the definition from @file{info/config.h} should allow it to
8e1ab522c902 Update build instructions in INSTALL.OCTAVE for release 3.4.
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diff changeset
599 compile.
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diff changeset
600
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diff changeset
601 @item
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diff changeset
602 If @code{configure} finds @code{dlopen}, @code{dlsym}, @code{dlclose},
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parents:
diff changeset
603 and @code{dlerror}, but not the header file @file{dlfcn.h}, you need to
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
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parents:
diff changeset
604 find the source for the header file and install it in the directory
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parents:
diff changeset
605 @file{usr/include}. This is reportedly a problem with Slackware 3.1.
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
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diff changeset
606 For Linux/GNU systems, the source for @file{dlfcn.h} is in the
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
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diff changeset
607 @code{ldso} package.
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
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diff changeset
608
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
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diff changeset
609 @item
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
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diff changeset
610 Building @file{.oct} files doesn't work.
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
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diff changeset
611
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diff changeset
612 You should probably have a shared version of @code{libstdc++}. A patch
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
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diff changeset
613 is needed to build shared versions of version 2.7.2 of @code{libstdc++}
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diff changeset
614 on the HP-PA architecture. You can find the patch at
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diff changeset
615 @url{ftp://ftp.cygnus.com/pub/g++/libg++-2.7.2-hppa-gcc-fix}.
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diff changeset
616
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
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diff changeset
617 @item
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diff changeset
618 On some DEC alpha systems there may be a problem with the @code{libdxml}
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parents: 11573
diff changeset
619 library, resulting in floating point errors and/or segmentation faults
8e1ab522c902 Update build instructions in INSTALL.OCTAVE for release 3.4.
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diff changeset
620 in the linear algebra routines called by Octave. If you encounter such
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diff changeset
621 problems, then you should modify the configure script so that
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923c7cb7f13f Simplify TeXinfo files by eliminating redundant @iftex followed by @tex construction.
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diff changeset
622 @w{@code{SPECIAL_MATH_LIB}} is not set to @code{-ldxml}.
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diff changeset
623
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diff changeset
624 @item
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diff changeset
625 On FreeBSD systems Octave may hang while initializing some internal
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diff changeset
626 constants. The fix appears to be to use
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627
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628 @example
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diff changeset
629 options GPL_MATH_EMULATE
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
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diff changeset
630 @end example
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diff changeset
631
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632 @noindent
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633 rather than
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634
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diff changeset
635 @example
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636 options MATH_EMULATE
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637 @end example
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diff changeset
638
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639 @noindent
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640 in the kernel configuration files (typically found in the directory
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diff changeset
641 @file{/sys/i386/conf}. After making this change, you'll need to rebuild
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
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diff changeset
642 the kernel, install it, and reboot.
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diff changeset
643
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diff changeset
644 @item
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diff changeset
645 If you encounter errors like
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diff changeset
646
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diff changeset
647 @example
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648 @group
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parents:
diff changeset
649 passing `void (*)()' as argument 2 of
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
650 `octave_set_signal_handler(int, void (*)(int))'
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
651 @end group
6670
14992092ab06 [project @ 2007-05-29 17:51:37 by jwe]
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parents: 5196
diff changeset
652 @end example
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
653
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
654 @noindent
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
655 or
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
656
6670
14992092ab06 [project @ 2007-05-29 17:51:37 by jwe]
jwe
parents: 5196
diff changeset
657 @example
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c79cf77061b7 Cleanup documentation files contrib.texi, bugs.texi, install.texi, emacs.texi
Rik <rdrider0-list@yahoo.com>
parents: 9031
diff changeset
658 @group
7081
503001863427 [project @ 2007-10-31 01:08:14 by jwe]
jwe
parents: 7018
diff changeset
659 warning: ANSI C++ prohibits conversion from `(int)'
9209
923c7cb7f13f Simplify TeXinfo files by eliminating redundant @iftex followed by @tex construction.
Rik <rdrider0-list@yahoo.com>
parents: 9081
diff changeset
660 to `(@dots{})'
9081
c79cf77061b7 Cleanup documentation files contrib.texi, bugs.texi, install.texi, emacs.texi
Rik <rdrider0-list@yahoo.com>
parents: 9031
diff changeset
661 @end group
6670
14992092ab06 [project @ 2007-05-29 17:51:37 by jwe]
jwe
parents: 5196
diff changeset
662 @end example
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
663
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
664 @noindent
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
665 while compiling @file{sighandlers.cc}, you may need to edit some files
12152
8e1ab522c902 Update build instructions in INSTALL.OCTAVE for release 3.4.
Rik <octave@nomad.inbox5.com>
parents: 11573
diff changeset
666 in the @code{gcc} include subdirectory to add proper prototypes for
8e1ab522c902 Update build instructions in INSTALL.OCTAVE for release 3.4.
Rik <octave@nomad.inbox5.com>
parents: 11573
diff changeset
667 functions there. For example, Ultrix 4.2 needs proper declarations for
8e1ab522c902 Update build instructions in INSTALL.OCTAVE for release 3.4.
Rik <octave@nomad.inbox5.com>
parents: 11573
diff changeset
668 the @code{signal} function and the @w{@code{SIG_IGN}} macro in the file
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
669 @file{signal.h}.
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
670
12152
8e1ab522c902 Update build instructions in INSTALL.OCTAVE for release 3.4.
Rik <octave@nomad.inbox5.com>
parents: 11573
diff changeset
671 On some systems the @w{@code{SIG_IGN}} macro is defined to be something
8e1ab522c902 Update build instructions in INSTALL.OCTAVE for release 3.4.
Rik <octave@nomad.inbox5.com>
parents: 11573
diff changeset
672 like this:
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
673
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
674 @example
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
675 #define SIG_IGN (void (*)())1
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
676 @end example
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
677
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
678 @noindent
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
679 when it should really be something like:
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
680
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
681 @example
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
682 #define SIG_IGN (void (*)(int))1
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
683 @end example
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
684
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
685 @noindent
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
686 to match the prototype declaration for the @code{signal} function. This
12152
8e1ab522c902 Update build instructions in INSTALL.OCTAVE for release 3.4.
Rik <octave@nomad.inbox5.com>
parents: 11573
diff changeset
687 change should also be made for the @w{@code{SIG_DFL}} and
8e1ab522c902 Update build instructions in INSTALL.OCTAVE for release 3.4.
Rik <octave@nomad.inbox5.com>
parents: 11573
diff changeset
688 @w{@code{SIG_ERR}} symbols. It may be necessary to change the
8e1ab522c902 Update build instructions in INSTALL.OCTAVE for release 3.4.
Rik <octave@nomad.inbox5.com>
parents: 11573
diff changeset
689 definitions in @file{sys/signal.h} as well.
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
690
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
691 The @code{gcc} @code{fixincludes} and @code{fixproto} scripts should
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
692 probably fix these problems when @code{gcc} installs its modified set of
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
693 header files, but I don't think that's been done yet.
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
694
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
695 @strong{You should not change the files in @file{/usr/include}}. You
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
696 can find the @code{gcc} include directory tree by running the command
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
697
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
698 @example
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
699 gcc -print-libgcc-file-name
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
700 @end example
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
701
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
702 @noindent
12152
8e1ab522c902 Update build instructions in INSTALL.OCTAVE for release 3.4.
Rik <octave@nomad.inbox5.com>
parents: 11573
diff changeset
703 The directory of @code{gcc} include files normally begins in the same
8e1ab522c902 Update build instructions in INSTALL.OCTAVE for release 3.4.
Rik <octave@nomad.inbox5.com>
parents: 11573
diff changeset
704 directory that contains the file @file{libgcc.a}.
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
705
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
706 @item
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
707 Some of the Fortran subroutines may fail to compile with older versions
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
708 of the Sun Fortran compiler. If you get errors like
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
709
6670
14992092ab06 [project @ 2007-05-29 17:51:37 by jwe]
jwe
parents: 5196
diff changeset
710 @example
9081
c79cf77061b7 Cleanup documentation files contrib.texi, bugs.texi, install.texi, emacs.texi
Rik <rdrider0-list@yahoo.com>
parents: 9031
diff changeset
711 @group
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
712 zgemm.f:
10599
d0e0bb2ebebb Remove tabs in .txi files causing problems with pdf formatting.
Rik <octave@nomad.inbox5.com>
parents: 9895
diff changeset
713 zgemm:
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
714 warning: unexpected parent of complex expression subtree
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
715 zgemm.f, line 245: warning: unexpected parent of complex
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
716 expression subtree
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
717 warning: unexpected parent of complex expression subtree
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
718 zgemm.f, line 304: warning: unexpected parent of complex
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
719 expression subtree
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
720 warning: unexpected parent of complex expression subtree
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
721 zgemm.f, line 327: warning: unexpected parent of complex
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
722 expression subtree
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
723 pcc_binval: missing IR_CONV in complex op
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
724 make[2]: *** [zgemm.o] Error 1
9081
c79cf77061b7 Cleanup documentation files contrib.texi, bugs.texi, install.texi, emacs.texi
Rik <rdrider0-list@yahoo.com>
parents: 9031
diff changeset
725 @end group
6670
14992092ab06 [project @ 2007-05-29 17:51:37 by jwe]
jwe
parents: 5196
diff changeset
726 @end example
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
727
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
728 @noindent
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
729 when compiling the Fortran subroutines in the @file{libcruft}
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
730 subdirectory, you should either upgrade your compiler or try compiling
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
731 with optimization turned off.
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
732
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
733 @item
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
734 On NeXT systems, if you get errors like this:
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
735
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
736 @example
9081
c79cf77061b7 Cleanup documentation files contrib.texi, bugs.texi, install.texi, emacs.texi
Rik <rdrider0-list@yahoo.com>
parents: 9031
diff changeset
737 @group
7081
503001863427 [project @ 2007-10-31 01:08:14 by jwe]
jwe
parents: 7018
diff changeset
738 /usr/tmp/cc007458.s:unknown:Undefined local
503001863427 [project @ 2007-10-31 01:08:14 by jwe]
jwe
parents: 7018
diff changeset
739 symbol LBB7656
503001863427 [project @ 2007-10-31 01:08:14 by jwe]
jwe
parents: 7018
diff changeset
740 /usr/tmp/cc007458.s:unknown:Undefined local
503001863427 [project @ 2007-10-31 01:08:14 by jwe]
jwe
parents: 7018
diff changeset
741 symbol LBE7656
9081
c79cf77061b7 Cleanup documentation files contrib.texi, bugs.texi, install.texi, emacs.texi
Rik <rdrider0-list@yahoo.com>
parents: 9031
diff changeset
742 @end group
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
743 @end example
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
744
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
745 @noindent
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
746 when compiling @file{Array.cc} and @file{Matrix.cc}, try recompiling
10828
322f43e0e170 Grammarcheck .txi documentation files.
Rik <octave@nomad.inbox5.com>
parents: 10711
diff changeset
747 these files without @option{-g}.
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
748
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
749 @item
14018
5d5685216876 Deprecate shell_cmd function and update system, dos, unix commands
Rik <octave@nomad.inbox5.com>
parents: 12973
diff changeset
750 Some people have reported that calls to system() and the pager do not
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
751 work on SunOS systems. This is apparently due to having
9209
923c7cb7f13f Simplify TeXinfo files by eliminating redundant @iftex followed by @tex construction.
Rik <rdrider0-list@yahoo.com>
parents: 9081
diff changeset
752 @w{@code{G_HAVE_SYS_WAIT}} defined to be 0 instead of 1 when compiling
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
753 @code{libg++}.
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
754
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
755 @item
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
756 On NeXT systems, linking to @file{libsys_s.a} may fail to resolve the
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
757 following functions
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
758
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
759 @example
9081
c79cf77061b7 Cleanup documentation files contrib.texi, bugs.texi, install.texi, emacs.texi
Rik <rdrider0-list@yahoo.com>
parents: 9031
diff changeset
760 @group
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
761 _tcgetattr
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
762 _tcsetattr
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
763 _tcflow
9081
c79cf77061b7 Cleanup documentation files contrib.texi, bugs.texi, install.texi, emacs.texi
Rik <rdrider0-list@yahoo.com>
parents: 9031
diff changeset
764 @end group
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
765 @end example
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
766
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
767 @noindent
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
768 which are part of @file{libposix.a}. Unfortunately, linking Octave with
10828
322f43e0e170 Grammarcheck .txi documentation files.
Rik <octave@nomad.inbox5.com>
parents: 10711
diff changeset
769 @option{-posix} results in the following undefined symbols.
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
770
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
771 @example
9081
c79cf77061b7 Cleanup documentation files contrib.texi, bugs.texi, install.texi, emacs.texi
Rik <rdrider0-list@yahoo.com>
parents: 9031
diff changeset
772 @group
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
773 .destructors_used
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
774 .constructors_used
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
775 _objc_msgSend
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
776 _NXGetDefaultValue
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
777 _NXRegisterDefaults
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
778 .objc_class_name_NXStringTable
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
779 .objc_class_name_NXBundle
9081
c79cf77061b7 Cleanup documentation files contrib.texi, bugs.texi, install.texi, emacs.texi
Rik <rdrider0-list@yahoo.com>
parents: 9031
diff changeset
780 @end group
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
781 @end example
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
782
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
783 One kluge around this problem is to extract @file{termios.o} from
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
784 @file{libposix.a}, put it in Octave's @file{src} directory, and add it
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
785 to the list of files to link together in the makefile. Suggestions for
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
786 better ways to solve this problem are welcome!
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
787
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
788 @item
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
789 If Octave crashes immediately with a floating point exception, it is
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
790 likely that it is failing to initialize the IEEE floating point values
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
791 for infinity and NaN.
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
792
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
793 If your system actually does support IEEE arithmetic, you should be able
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
794 to fix this problem by modifying the function @code{octave_ieee_init} in
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
795 the file @file{lo-ieee.cc} to correctly initialize Octave's internal
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
796 infinity and NaN variables.
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
797
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
798 If your system does not support IEEE arithmetic but Octave's configure
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
799 script incorrectly determined that it does, you can work around the
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
800 problem by editing the file @file{config.h} to not define
12152
8e1ab522c902 Update build instructions in INSTALL.OCTAVE for release 3.4.
Rik <octave@nomad.inbox5.com>
parents: 11573
diff changeset
801 @w{@code{HAVE_ISINF}}, @w{@code{HAVE_FINITE}}, and
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802 @w{@code{HAVE_ISNAN}}.
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803
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804 In any case, please report this as a bug since it might be possible to
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805 modify Octave's configuration script to automatically determine the
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806 proper thing to do.
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807
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808 @item
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809 If Octave is unable to find a header file because it is installed in a
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810 location that is not normally searched by the compiler, you can add the
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811 directory to the include search path by specifying (for example)
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812 @code{CPPFLAGS=-I/some/nonstandard/directory} as an argument to
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813 @code{configure}. Other variables that can be specified this way are
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814 @env{CFLAGS}, @env{CXXFLAGS}, @env{FFLAGS}, and @env{LDFLAGS}. Passing
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815 them as options to the configure script also records them in the
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816 @file{config.status} file. By default, @env{CPPFLAGS} and @env{LDFLAGS}
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817 are empty, @env{CFLAGS} and @env{CXXFLAGS} are set to @code{"-g -O"} and
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818 @env{FFLAGS} is set to @code{"-O"}.
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819
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820 @end itemize