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update copyright notices
author John W. Eaton <jwe@octave.org>
date Fri, 14 Jan 2011 05:47:45 -0500
parents e971caa4c2bb
children 6f8ffe2c6f76
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11523
fd0a3ac60b0e update copyright notices
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1 @c Copyright (C) 1996-2011 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 Here is the procedure for installing Octave from scratch on a Unix
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47 system.
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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 --prefix=@var{prefix}
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60 Install Octave in subdirectories below @var{prefix}. The default value
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61 of @var{prefix} is @file{/usr/local}.
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62
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63 @item --srcdir=@var{dir}
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64 Look for Octave sources in the directory @var{dir}.
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65
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66 @item --enable-bounds-check
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67 Enable bounds checking for indexing operators in the internal array
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68 classes. This option is primarily used for debugging Octave. Building
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69 Octave with this option has a negative impact on performance and is not
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70 recommended for general use.
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71
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72 @item --enable-64
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73 This is an @strong{experimental} option to enable Octave to use 64-bit
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74 integers for array dimensions and indexing on 64-bit platforms. You
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75 probably don't want to use this option unless you know what you are
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76 doing. @xref{Compiling Octave with 64-bit Indexing}, for more details
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77 about building Octave with this option.
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78
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79 @item --enable-shared
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80 Create shared libraries (this is the default). If you are planning to
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81 use the dynamic loading features, you will probably want to use this
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82 option. It will make your @file{.oct} files much smaller and on some
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83 systems it may be necessary to build shared libraries in order to use
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84 dynamically linked functions.
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85
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86 You may also want to build a shared version of @code{libstdc++}, if your
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87 system doesn't already have one.
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88
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89 @item --enable-dl
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90 Use @code{dlopen} and friends to make Octave capable of dynamically
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91 linking externally compiled functions (this is the default if
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92 @option{--enable-shared} is specified). This option only works on systems
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93 that actually have these functions. If you plan on using this feature, you
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94 should probably also use @option{--enable-shared} to reduce the size of
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95 your @file{.oct} files.
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96
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97 @item --without-blas
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98 Compile and use the generic @sc{blas} and @sc{lapack} versions included with
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99 Octave. By default, configure first looks for @sc{blas} and @sc{lapack} matrix
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100 libraries on your system, including optimized @sc{blas} implementations such
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101 as the free ATLAS 3.0, as well as vendor-tuned libraries. (The use of
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102 an optimized @sc{blas} will generally result in several-times faster matrix
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103 operations.) Only use this option if your system has @sc{blas}/@sc{lapack}
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104 libraries that cause problems for some reason. You can also use
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105 @option{--with-blas=lib} to specify a particular @sc{blas} library
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106 that configure doesn't check for automatically.
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107
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108 @item --without-ccolamd
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109 Don't use @sc{ccolamd}, disable some sparse matrix functionality.
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110
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111 @item --without-colamd
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112 Don't use @sc{colamd}, disable some sparse matrix functionality.
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113
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114 @item --without-curl
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115 Don't use the cURL, disable the ftp objects, @code{urlread} and @code{urlwrite}
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116 functions.
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117
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118 @item --without-cxsparse
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119 Don't use @sc{cxsparse}, disable some sparse matrix functionality.
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120
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121 @item --without-umfpack
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122 Don't use @sc{umfpack}, disable some sparse matrix functionality.
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123
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124 @item --without-fftw
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125 Use the included @sc{fftpack} library instead of the @sc{fftw} library.
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126
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127 @item --without-glpk
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128 Don't use the @sc{glpk} library for linear programming.
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129
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130 @item --without-hdf5
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131 Don't use the @sc{hdf5} library for reading and writing @sc{hdf5} files.
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132
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133 @item --without-zlib
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134 Don't use the zlib library, disable data file compression and support
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135 for recent MAT file formats.
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136
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137 @item --without-lapack
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138 Compile and use the generic @sc{blas} and @sc{lapack} versions included with
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139 Octave. By default, configure first looks for @sc{blas} and @sc{lapack} matrix
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140 libraries on your system, including optimized @sc{blas} implementations such
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141 as the free ATLAS 3.0, as well as vendor-tuned libraries. (The use of
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142 an optimized @sc{blas} will generally result in several-times faster matrix
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143 operations.) Only use this option if your system has @sc{blas}/@sc{lapack}
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144 libraries that cause problems for some reason. You can also use
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145 @option{--with-blas=lib} to specify a particular @sc{blas} library
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146 that configure doesn't check for automatically.
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147
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148 @item --without-framework-carbon
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149 Don't use framework Carbon headers, libraries and specific source code
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150 for compilation even if the configure test succeeds (the default value
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151 is @option{--with-framework-carbon}). This is a platform specific configure
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152 option for Mac systems.
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153
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154 @item --without-framework-opengl
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155 Don't use framework OpenGL headers, libraries and specific source code
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156 for compilation even if the configure test succeeds. If this option is
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157 given then OpenGL headers and libraries in standard system locations are
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158 tested (the default value is @option{--with-framework-opengl}). This is a
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159 platform specific configure option for Mac systems.
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160
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161 @item --help
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162 Print a summary of the options recognized by the configure script.
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163 @end table
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164
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165 See the file @file{INSTALL} for more general information about the
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166 command line options used by configure. That file also contains
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167 instructions for compiling in a directory other than where the source
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168 is located.
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169
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170 @item
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171 Run make.
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172
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173 You will need a recent version of GNU Make. Modifying Octave's
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174 makefiles to work with other make programs is probably not worth
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175 your time. We recommend you get and compile GNU Make instead.
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176
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177 For plotting, you will need to have gnuplot installed on your system.
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178 Gnuplot is a command-driven interactive function plotting program.
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179 Gnuplot is copyrighted, but freely distributable. The `gnu' in gnuplot
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180 is a coincidence---it is not related to the GNU project or the FSF in
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181 any but the most peripheral sense.
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182
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183 To compile Octave, you will need a recent version of GNU Make. You will
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184 also need a recent version of @code{g++} or other ANSI C++ compiler. You
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185 will also need a Fortran 77 compiler or @code{f2c}. If you use
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186 @code{f2c}, you will need a script like @code{fort77} that works like a
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187 normal Fortran compiler by combining @code{f2c} with your C compiler in
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188 a single script.
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189
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190 If you plan to modify the parser you will also need GNU @code{bison} and
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191 @code{flex}. If you modify the documentation, you will need GNU
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192 Texinfo.
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193
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194 GNU Make, @code{gcc}, and @code{libstdc++}, @code{gnuplot},
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195 @code{bison}, @code{flex}, and Texinfo are all available from many
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196 anonymous ftp archives. The primary site is @url{ftp.gnu.org}, but it
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197 is often very busy. A list of sites that mirror the software on
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198 @url{ftp.gnu.org} is available by anonymous ftp from
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199 @url{ftp://ftp.gnu.org/pub/gnu/GNUinfo/FTP}.
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200
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201 You will need about 1 gigabyte of disk storage to work with when
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202 building Octave from source (considerably less if you don't compile with
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203 debugging symbols). To do that, use the command
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204
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205 @example
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206 make CFLAGS=-O CXXFLAGS=-O LDFLAGS=
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207 @end example
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208
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209 @noindent
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210 instead of just @command{make}.
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211
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212 @item
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213 If you encounter errors while compiling Octave, first check the list of
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214 known problems below to see if there is a workaround or solution for
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215 your problem. If not,
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216 @ifclear INSTALLONLY
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217 see @ref{Trouble},
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218 @end ifclear
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219 @ifset INSTALLONLY
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220 see the file BUGS
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221 @end ifset
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222 for information about how to report bugs.
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223
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224 @item
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225 Once you have successfully compiled Octave, run @code{make install}.
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226
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227 This will install a copy of Octave, its libraries, and its documentation
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228 in the destination directory. As distributed, Octave is installed in
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229 the following directories. In the table below, @var{prefix} defaults to
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230 @file{/usr/local}, @var{version} stands for the current version number
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231 of the interpreter, and @var{arch} is the type of computer on which
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232 Octave is installed (for example, @samp{i586-unknown-gnu}).
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233
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234 @table @file
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235 @item @var{prefix}/bin
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236 Octave and other binaries that people will want to run directly.
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237
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238 @item @var{prefix}/lib
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239 Libraries like libcruft.a and liboctave.a.
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240
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241 @item @var{prefix}/share
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242 Architecture-independent data files.
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243
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244 @item @var{prefix}/include/octave
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245 Include files distributed with Octave.
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246
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247 @item @var{prefix}/man/man1
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248 Unix-style man pages describing Octave.
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249
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250 @item @var{prefix}/info
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251 Info files describing Octave.
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252
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253 @item @var{prefix}/share/octave/@var{version}/m
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254 Function files distributed with Octave. This includes the Octave
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255 version, so that multiple versions of Octave may be installed at the
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256 same time.
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257
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258 @item @var{prefix}/lib/octave/@var{version}/exec/@var{arch}
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259 Executables to be run by Octave rather than the user.
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260
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261 @item @var{prefix}/lib/octave/@var{version}/oct/@var{arch}
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262 Object files that will be dynamically loaded.
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263
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264 @item @var{prefix}/share/octave/@var{version}/imagelib
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265 Image files that are distributed with Octave.
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266 @end table
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267 @end itemize
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268
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269 @menu
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270 * Compiling Octave with 64-bit Indexing::
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271 * Installation Problems::
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272 @end menu
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273
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274 @node Compiling Octave with 64-bit Indexing
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275 @appendixsec Compiling Octave with 64-bit Indexing
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276
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277 Note: the following only applies to systems that have 64-bit
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278 pointers. Configuring Octave with @option{--enable-64} cannot magically
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279 make a 32-bit system have a 64-bit address space.
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280
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281 On 64-bit systems, Octave is limited to (approximately) the following
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282 array sizes when using the default 32-bit indexing mode:
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283
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284 @example
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285 @group
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286 double: 16GB
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287 single: 8GB
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288 uint64, int64: 16GB
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289 uint32, int32: 8GB
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290 uint16, int16: 4GB
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291 uint8, int8: 2GB
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292 @end group
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293 @end example
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294
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295 In each case, the limit is really (approximately) @math{2^31} elements
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296 because of the default type of the value used for indexing arrays
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297 (signed 32-bit integer, corresponding to the size of a Fortran INTEGER
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298 value).
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299
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300 Trying to create larger arrays will produce the following error:
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301
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302 @example
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303 @group
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304 octave:1> a = zeros (1024*1024*1024*3, 1, 'int8');
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305 error: memory exhausted or requested size too large
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306 for range of Octave's index type --
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307 trying to return to prompt
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308 @end group
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309 @end example
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310
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311 @noindent
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312 You will obtain this error even if your system has enough memory to
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313 create this array (4 GB in the above case).
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314
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315 To use arrays larger than 2 GB, Octave has to be configured with the
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316 option @option{--enable-64}. This option is experimental and you are (as
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317 always) encouraged to submit bug reports if you find a problem. With
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318 this option, Octave will use 64-bit integers internally for array
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319 dimensions and indexing. However, all numerical libraries used by
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320 Octave will also need to use 64-bit integers for array dimensions and
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321 indexing. In most cases, this means they will need to be compiled
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322 from source since most (all?) distributions which package these
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323 libraries compile them with the default Fortran integer size, which is
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324 normally 32-bits wide.
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325
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326 The following instructions were tested with the development version of
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327 Octave and GCC 4.3.4 on an x86_64 Debian system.
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328
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329 The versions listed below are the versions used for testing. If newer
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330 versions of these packages are available, you should try to use them,
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331 though there may be some differences.
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332
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333 All libraries and header files will be installed in subdirectories of
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334 @code{$prefix64} (you must choose the location of this directory).
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335
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336 @itemize @bullet
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337 @item
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338 BLAS and LAPACK (@url{http://www.netlib.org/lapack})
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339
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340 Reference versions for both libraries are included in the reference
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341 LAPACK 3.2.1 distribution from @url{netlib.org}.
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342
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343 @itemize @minus
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344 @item
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345 Copy the file @file{make.inc.example} and name it @file{make.inc}.
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346 The options @option{-fdefault-integer-8} and @option{-fPIC} (on 64-bit
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347 CPU) have to be added to the variable @code{OPTS} and @code{NOOPT}.
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348
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349 @item
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350 Once you have compiled this library make sure that you use it for
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351 compiling Suite Sparse and Octave. In the following we assume that
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352 you installed the LAPACK library as $prefix64/lib/liblapack.a.
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353 @end itemize
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354
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355 @item
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356 ARPACK (@url{http://www.caam.rice.edu/software/ARPACK})
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357
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358 @itemize @minus
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359 @item
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360 In @file{ARmake.inc} set the following variables:
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361
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362 @example
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363 @group
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364 home=path to directory ARPACK
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365 FC=gfortran
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366 FFLAGS=-fPIC -fdefault-integer-8
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367 MAKE=/usr/bin/make
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368 ARPACKLIB=$(home)/libarpack.a
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369 DIRS=$(UTILdir) $(SRCdir)
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370 @end group
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371 @end example
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372
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373 @item
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374 Edit the file @file{UTIL/second.f} and change the line
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375
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376 @example
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377 EXTERNAL ETIME
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378 @end example
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379
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380 @noindent
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381 to
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382
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383 @example
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384 INTRINSIC ETIME
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385 @end example
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386
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387 @item
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388 After building the @file{.a} library, you can make a shared version with
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389
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390 @example
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391 @group
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392 mkdir tmp
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393 cd tmp
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394 ar x ../libarpack.a
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395 gcc -shared -o ../libarpack.so *.o -L$prefix64/lib \
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396 -llapack -lblas
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397 cd ..
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398 rm -rf tmp
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399 @end group
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400 @end example
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401
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402 @noindent
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403 Copy the library @file{libarpack.so} to @file{$prefix64/lib/libarpack.a}.
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404 @end itemize
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405
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406 @item
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407 QRUPDATE (@url{http://sourceforge.net/projects/qrupdate})
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408
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409 In the @file{Makeconf} file:
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410
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411 @itemize @minus
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412 @item
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413 Add @option{-fdefault-integer-8} to @code{FFLAGS}.
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414
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415 @item
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416 Adjust the BLAS and LAPACK variables as needed if your 64-bit aware BLAS
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417 and LAPACK libraries are in a non-standard location.
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418
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419 @item
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420 Set @code{PREFIX} to the top-level directory of your install tree.
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421
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422 @item
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423 Run @code{make solib} to make a shared library.
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424
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425 @item
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426 Run @code{make install} to install the library.
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427 @end itemize
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428
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429 @item
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430 SuiteSparse (@url{http://www.cise.ufl.edu/research/sparse/SuiteSparse})
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431
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432 @itemize @minus
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433 @item
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434 In @file{UFconfig/UFconfig.mk} use the following options for
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435 @code{CFLAGS} and @code{F77FLAGS}:
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436
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437 @example
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438 @group
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439 CC = gcc
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440 CFLAGS = -fPIC -O -DLP64 -DLONGBLAS='long int' -DLONG='long int'
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441 F77 = gfortran
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442 F77FLAGS = -fPIC -O -fdefault-integer-8
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443 BLAS = -L$BLAS/lib -lblas -lgfortran"
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444 LAPACK = -L$LAPACK/lib -llapack"
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445 @end group
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446 @end example
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447
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448 @item
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449 Disable the GPL-incompatible @code{METIS} library:
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450
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451 @example
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452 @group
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453 CHOLMOD_CONFIG = -DNPARTITION
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454 SPQR_CONFIG = -DNPARTITION
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455 METIS_PATH =
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456 METIS =
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457 @end group
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458 @end example
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459
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460 @item
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461 Disable the @code{DI} versions of the @code{CHOLMOD} library files by setting
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462
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463 @example
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464 OBJ = $(DL)
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465 @end example
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466
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467 @noindent
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468 in @file{CHOLMOD/Lib/Makefile}.
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469
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470 @item
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471 Disable the @code{DI} versions of the @code{CHOLMOD} tests by commenting
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472 out or deleting the following lines in @file{CHOLMOD/Demo/Makefile}:
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473
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474 @example
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475 @group
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476 ./cholmod_demo < Matrix/bcsstk01.tri
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477 ./cholmod_demo < Matrix/lp_afiro.tri
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478 ./cholmod_demo < Matrix/can___24.mtx
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479 ./cholmod_demo < Matrix/c.tri
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480 ./cholmod_simple < Matrix/c.tri
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481 ./cholmod_simple < Matrix/can___24.mtx
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482 ./cholmod_simple < Matrix/bcsstk01.tri
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483 @end group
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484 @end example
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485
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486 @item
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487 Run @command{make} to build the libraries.
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488
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489 @item
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490 The SuiteSparse @file{Makefile} does not have an install target so
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491 you must install the files by hand:
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492
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493 @example
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494 @group
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495 mkdir $prefix64/include/suitesparse
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496 cp UFconfig/UFconfig.h $prefix64/include/suitesparse
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497 for d in AMD BTF CAMD CCOLAMD \
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498 CHOLMOD COLAMD CXSparse UMFPACK; do
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499 cp $d/Lib/lib*a $prefix64/lib
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500 cp $d/Include/*h $prefix64/include/suitesparse
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501 done
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502 @end group
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503 @end example
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504
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505 @item
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506 You can generate shared versions of these libraries by doing the
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507 following in the @file{$prefix64/lib} directory:
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508
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509 @example
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510 @group
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511 top=$(pwd)
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512 for f in *.a; do
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513 mkdir tmp
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514 cd tmp
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515 ar vx ../$f
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516 gcc -shared -o ../$@{f%%.a@}.so *.o
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517 cd $top
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518 rm -rf tmp
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diff changeset
519 done
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diff changeset
520 @end group
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diff changeset
521 @end example
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diff changeset
522 @end itemize
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diff changeset
523
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parents: 11291
diff changeset
524 @item
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diff changeset
525 ATLAS instead of reference BLAS and LAPACK
e971caa4c2bb doc/interpreter/install.txi: explain how to compile Octave with 64-bit indexing
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diff changeset
526
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diff changeset
527 Suggestions on how to compile ATLAS, will be most welcome.
e971caa4c2bb doc/interpreter/install.txi: explain how to compile Octave with 64-bit indexing
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diff changeset
528
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diff changeset
529 @item
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diff changeset
530 GLPK
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diff changeset
531
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diff changeset
532 Suggestions on how to compile GLPK will be most welcome.
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533
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diff changeset
534 @item
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diff changeset
535 QHULL (@url{http://www.qhull.org})
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diff changeset
536
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diff changeset
537 Suggestions on how to compile QHULL will be most welcome.
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parents: 11291
diff changeset
538
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parents: 11291
diff changeset
539 @item Octave
e971caa4c2bb doc/interpreter/install.txi: explain how to compile Octave with 64-bit indexing
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parents: 11291
diff changeset
540 Octave's 64-bit index support is activated with the configure option
e971caa4c2bb doc/interpreter/install.txi: explain how to compile Octave with 64-bit indexing
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parents: 11291
diff changeset
541 @option{--enable-64}.
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diff changeset
542
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diff changeset
543 @example
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diff changeset
544 @group
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parents: 11291
diff changeset
545 ./configure \
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diff changeset
546 LD_LIBRARY_PATH="$prefix64/lib" \
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diff changeset
547 CPPFLAGS="-I$prefix64/include" LDFLAGS="-L$prefix64/lib" \
e971caa4c2bb doc/interpreter/install.txi: explain how to compile Octave with 64-bit indexing
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parents: 11291
diff changeset
548 --enable-64
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parents: 11291
diff changeset
549 @end group
e971caa4c2bb doc/interpreter/install.txi: explain how to compile Octave with 64-bit indexing
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parents: 11291
diff changeset
550 @end example
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diff changeset
551
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diff changeset
552 You must ensure that all Fortran sources except those in the
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diff changeset
553 @file{libcruft/ranlib} directory are compiled such that INTEGERS are
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parents: 11291
diff changeset
554 8-bytes wide. If you are using gfortan, the configure script should
e971caa4c2bb doc/interpreter/install.txi: explain how to compile Octave with 64-bit indexing
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parents: 11291
diff changeset
555 automatically set the Makefile variable @code{F77_INTEGER_8_FLAG} to
e971caa4c2bb doc/interpreter/install.txi: explain how to compile Octave with 64-bit indexing
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parents: 11291
diff changeset
556 @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
557 must set this variable yourself. You should NOT set this flag in
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diff changeset
558 @code{FFLAGS}, otherwise the files in @file{libcruft/ranlib} will be
e971caa4c2bb doc/interpreter/install.txi: explain how to compile Octave with 64-bit indexing
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parents: 11291
diff changeset
559 miscompiled.
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diff changeset
560
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diff changeset
561 @item
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diff changeset
562 Other dependencies
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diff changeset
563
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diff changeset
564 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
565 dependencies. If you discover that something does need to be done,
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parents: 11291
diff changeset
566 please submit a bug report.
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parents: 11291
diff changeset
567
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parents: 11291
diff changeset
568 @itemize @minus
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diff changeset
569 @item pcre or regex
e971caa4c2bb doc/interpreter/install.txi: explain how to compile Octave with 64-bit indexing
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parents: 11291
diff changeset
570 @item zlib
e971caa4c2bb doc/interpreter/install.txi: explain how to compile Octave with 64-bit indexing
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diff changeset
571 @item hdf5
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diff changeset
572 @item fftw3
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diff changeset
573 @item cURL
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diff changeset
574 @item GraphicsMagick++
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parents: 11291
diff changeset
575 @item OpenGL
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diff changeset
576 @item freetype
e971caa4c2bb doc/interpreter/install.txi: explain how to compile Octave with 64-bit indexing
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parents: 11291
diff changeset
577 @item fontconfig
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diff changeset
578 @item fltk
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diff changeset
579 @end itemize
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diff changeset
580
e971caa4c2bb doc/interpreter/install.txi: explain how to compile Octave with 64-bit indexing
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parents: 11291
diff changeset
581 @end itemize
e971caa4c2bb doc/interpreter/install.txi: explain how to compile Octave with 64-bit indexing
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diff changeset
582
4167
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583 @node Installation Problems
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diff changeset
584 @appendixsec Installation Problems
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585
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586 This section contains a list of problems (and some apparent problems
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587 that don't really mean anything is wrong) that may show up during
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diff changeset
588 installation of Octave.
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589
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
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590 @itemize @bullet
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591 @item
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
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592 On some SCO systems, @code{info} fails to compile if
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Rik <rdrider0-list@yahoo.com>
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593 @w{@code{HAVE_TERMIOS_H}} is defined in @file{config.h}. Simply removing
3294
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594 the definition from @file{info/config.h} should allow it to compile.
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595
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596 @item
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diff changeset
597 If @code{configure} finds @code{dlopen}, @code{dlsym}, @code{dlclose},
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598 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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599 find the source for the header file and install it in the directory
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
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600 @file{usr/include}. This is reportedly a problem with Slackware 3.1.
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
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601 For Linux/GNU systems, the source for @file{dlfcn.h} is in the
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
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diff changeset
602 @code{ldso} package.
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
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diff changeset
603
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
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diff changeset
604 @item
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diff changeset
605 Building @file{.oct} files doesn't work.
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
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diff changeset
606
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
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diff changeset
607 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
608 is needed to build shared versions of version 2.7.2 of @code{libstdc++}
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
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609 on the HP-PA architecture. You can find the patch at
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
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diff changeset
610 @url{ftp://ftp.cygnus.com/pub/g++/libg++-2.7.2-hppa-gcc-fix}.
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611
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
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612 @item
3464
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diff changeset
613 On some alpha systems there may be a problem with the @code{libdxml}
ab5ae0aca0f1 [project @ 2000-01-20 09:48:41 by jwe]
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diff changeset
614 library, resulting in floating point errors and/or segmentation faults in
ab5ae0aca0f1 [project @ 2000-01-20 09:48:41 by jwe]
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diff changeset
615 the linear algebra routines called by Octave. If you encounter such
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diff changeset
616 problems, then you should modify the configure script so that
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617 @w{@code{SPECIAL_MATH_LIB}} is not set to @code{-ldxml}.
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diff changeset
618
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diff changeset
619 @item
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620 On FreeBSD systems Octave may hang while initializing some internal
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621 constants. The fix appears to be to use
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622
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623 @example
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624 options GPL_MATH_EMULATE
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625 @end example
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626
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diff changeset
627 @noindent
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628 rather than
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
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629
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630 @example
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diff changeset
631 options MATH_EMULATE
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632 @end example
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diff changeset
633
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634 @noindent
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diff changeset
635 in the kernel configuration files (typically found in the directory
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diff changeset
636 @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
637 the kernel, install it, and reboot.
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638
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639 @item
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diff changeset
640 If you encounter errors like
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641
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diff changeset
642 @example
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643 @group
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644 passing `void (*)()' as argument 2 of
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645 `octave_set_signal_handler(int, void (*)(int))'
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646 @end group
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diff changeset
647 @end example
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648
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649 @noindent
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diff changeset
650 or
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651
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652 @example
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653 @group
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654 warning: ANSI C++ prohibits conversion from `(int)'
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655 to `(@dots{})'
9081
c79cf77061b7 Cleanup documentation files contrib.texi, bugs.texi, install.texi, emacs.texi
Rik <rdrider0-list@yahoo.com>
parents: 9031
diff changeset
656 @end group
6670
14992092ab06 [project @ 2007-05-29 17:51:37 by jwe]
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parents: 5196
diff changeset
657 @end example
3294
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jwe
parents:
diff changeset
658
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
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parents:
diff changeset
659 @noindent
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
660 while compiling @file{sighandlers.cc}, you may need to edit some files
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
661 in the @code{gcc} include subdirectory to add proper prototypes for functions
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
662 there. For example, Ultrix 4.2 needs proper declarations for the
9209
923c7cb7f13f Simplify TeXinfo files by eliminating redundant @iftex followed by @tex construction.
Rik <rdrider0-list@yahoo.com>
parents: 9081
diff changeset
663 @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
664 @file{signal.h}.
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
665
9209
923c7cb7f13f Simplify TeXinfo files by eliminating redundant @iftex followed by @tex construction.
Rik <rdrider0-list@yahoo.com>
parents: 9081
diff changeset
666 On some systems the @w{@code{SIG_IGN}} macro is defined to be something like
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
667 this:
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
668
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
669 @example
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
670 #define SIG_IGN (void (*)())1
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
671 @end example
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
672
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
673 @noindent
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
674 when it should really be something like:
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
675
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
676 @example
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
677 #define SIG_IGN (void (*)(int))1
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
678 @end example
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
679
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
680 @noindent
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
681 to match the prototype declaration for the @code{signal} function. This
9209
923c7cb7f13f Simplify TeXinfo files by eliminating redundant @iftex followed by @tex construction.
Rik <rdrider0-list@yahoo.com>
parents: 9081
diff changeset
682 change should also be made for the @w{@code{SIG_DFL}} and @w{@code{SIG_ERR}}
9031
1052a66078cf Documentation cleanup of top-level Octave directory (READMEs, INSTALL)
Rik <rdrider0-list@yahoo.com>
parents: 8920
diff changeset
683 symbols. It may be necessary to change the definitions in
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
684 @file{sys/signal.h} as well.
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
685
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
686 The @code{gcc} @code{fixincludes} and @code{fixproto} scripts should
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
687 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
688 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
689
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
690 @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
691 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
692
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
693 @example
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
694 gcc -print-libgcc-file-name
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
695 @end example
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
696
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
697 @noindent
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
698 The directory of @code{gcc} include files normally begins in the same directory
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
699 that contains the file @file{libgcc.a}.
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
700
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
701 @item
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
702 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
703 of the Sun Fortran compiler. If you get errors like
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
704
6670
14992092ab06 [project @ 2007-05-29 17:51:37 by jwe]
jwe
parents: 5196
diff changeset
705 @example
9081
c79cf77061b7 Cleanup documentation files contrib.texi, bugs.texi, install.texi, emacs.texi
Rik <rdrider0-list@yahoo.com>
parents: 9031
diff changeset
706 @group
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
707 zgemm.f:
10599
d0e0bb2ebebb Remove tabs in .txi files causing problems with pdf formatting.
Rik <octave@nomad.inbox5.com>
parents: 9895
diff changeset
708 zgemm:
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
709 warning: unexpected parent of complex expression subtree
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
710 zgemm.f, line 245: warning: unexpected parent of complex
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
711 expression subtree
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
712 warning: unexpected parent of complex expression subtree
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
713 zgemm.f, line 304: warning: unexpected parent of complex
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
714 expression subtree
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
715 warning: unexpected parent of complex expression subtree
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
716 zgemm.f, line 327: warning: unexpected parent of complex
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
717 expression subtree
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
718 pcc_binval: missing IR_CONV in complex op
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
719 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
720 @end group
6670
14992092ab06 [project @ 2007-05-29 17:51:37 by jwe]
jwe
parents: 5196
diff changeset
721 @end example
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
722
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
723 @noindent
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
724 when compiling the Fortran subroutines in the @file{libcruft}
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
725 subdirectory, you should either upgrade your compiler or try compiling
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
726 with optimization turned off.
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 @item
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
729 On NeXT systems, if you get errors like this:
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
730
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
731 @example
9081
c79cf77061b7 Cleanup documentation files contrib.texi, bugs.texi, install.texi, emacs.texi
Rik <rdrider0-list@yahoo.com>
parents: 9031
diff changeset
732 @group
7081
503001863427 [project @ 2007-10-31 01:08:14 by jwe]
jwe
parents: 7018
diff changeset
733 /usr/tmp/cc007458.s:unknown:Undefined local
503001863427 [project @ 2007-10-31 01:08:14 by jwe]
jwe
parents: 7018
diff changeset
734 symbol LBB7656
503001863427 [project @ 2007-10-31 01:08:14 by jwe]
jwe
parents: 7018
diff changeset
735 /usr/tmp/cc007458.s:unknown:Undefined local
503001863427 [project @ 2007-10-31 01:08:14 by jwe]
jwe
parents: 7018
diff changeset
736 symbol LBE7656
9081
c79cf77061b7 Cleanup documentation files contrib.texi, bugs.texi, install.texi, emacs.texi
Rik <rdrider0-list@yahoo.com>
parents: 9031
diff changeset
737 @end group
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
738 @end example
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
739
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
740 @noindent
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
741 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
742 these files without @option{-g}.
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
743
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
744 @item
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
745 Some people have reported that calls to shell_cmd and the pager do not
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
746 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
747 @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
748 @code{libg++}.
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
749
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
750 @item
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
751 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
752 following functions
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
753
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
754 @example
9081
c79cf77061b7 Cleanup documentation files contrib.texi, bugs.texi, install.texi, emacs.texi
Rik <rdrider0-list@yahoo.com>
parents: 9031
diff changeset
755 @group
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
756 _tcgetattr
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
757 _tcsetattr
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
758 _tcflow
9081
c79cf77061b7 Cleanup documentation files contrib.texi, bugs.texi, install.texi, emacs.texi
Rik <rdrider0-list@yahoo.com>
parents: 9031
diff changeset
759 @end group
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
760 @end example
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
761
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
762 @noindent
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
763 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
764 @option{-posix} results in the following undefined symbols.
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
765
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
766 @example
9081
c79cf77061b7 Cleanup documentation files contrib.texi, bugs.texi, install.texi, emacs.texi
Rik <rdrider0-list@yahoo.com>
parents: 9031
diff changeset
767 @group
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
768 .destructors_used
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
769 .constructors_used
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
770 _objc_msgSend
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
771 _NXGetDefaultValue
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
772 _NXRegisterDefaults
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
773 .objc_class_name_NXStringTable
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
774 .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
775 @end group
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
776 @end example
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
777
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
778 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
779 @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
780 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
781 better ways to solve this problem are welcome!
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 @item
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
784 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
785 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
786 for infinity and NaN.
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 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
789 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
790 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
791 infinity and NaN variables.
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 does not support IEEE arithmetic but Octave's configure
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
794 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
795 problem by editing the file @file{config.h} to not define
9209
923c7cb7f13f Simplify TeXinfo files by eliminating redundant @iftex followed by @tex construction.
Rik <rdrider0-list@yahoo.com>
parents: 9081
diff changeset
796 @w{@code{HAVE_ISINF}}, @w{@code{HAVE_FINITE}}, and @w{@code{HAVE_ISNAN}}.
3294
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 In any case, please report this as a bug since it might be possible to
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
799 modify Octave's configuration script to automatically determine the
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
800 proper thing to do.
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
801
7144
30c0533e39ae [project @ 2007-11-09 17:37:24 by jwe]
jwe
parents: 7091
diff changeset
802 @item
30c0533e39ae [project @ 2007-11-09 17:37:24 by jwe]
jwe
parents: 7091
diff changeset
803 If Octave is unable to find a header file because it is installed in a
30c0533e39ae [project @ 2007-11-09 17:37:24 by jwe]
jwe
parents: 7091
diff changeset
804 location that is not normally searched by the compiler, you can add the
30c0533e39ae [project @ 2007-11-09 17:37:24 by jwe]
jwe
parents: 7091
diff changeset
805 directory to the include search path by specifying (for example)
30c0533e39ae [project @ 2007-11-09 17:37:24 by jwe]
jwe
parents: 7091
diff changeset
806 @code{CPPFLAGS=-I/some/nonstandard/directory} as an argument to
30c0533e39ae [project @ 2007-11-09 17:37:24 by jwe]
jwe
parents: 7091
diff changeset
807 @code{configure}. Other variables that can be specified this way are
10828
322f43e0e170 Grammarcheck .txi documentation files.
Rik <octave@nomad.inbox5.com>
parents: 10711
diff changeset
808 @env{CFLAGS}, @env{CXXFLAGS}, @env{FFLAGS}, and @env{LDFLAGS}.
7144
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809 Passing them as options to the configure script also records them in the
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810 @file{config.status} file. By default, @env{CPPFLAGS} and
322f43e0e170 Grammarcheck .txi documentation files.
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parents: 10711
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811 @env{LDFLAGS} are empty, @env{CFLAGS} and @env{CXXFLAGS} are set to
322f43e0e170 Grammarcheck .txi documentation files.
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parents: 10711
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812 @code{"-g -O"} and @env{FFLAGS} is set to @code{"-O"}.
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813
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814 @end itemize