annotate src/octave-config.in.cc @ 18023:4138a7f80779 stable

maint: Replace tabs with spaces in octave-config input files. * octave-config.in.cc, octave-config.in.sh: Replace tabs with spaces in octave-config input files.
author Rik <rik@octave.org>
date Tue, 26 Nov 2013 14:49:54 -0800
parents f2b047f9b605
children 50505bf88b82
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2
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3 Copyright (C) 2008-2013 Michael Goffioul
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #if defined (HAVE_CONFIG_H)
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24 #include <config.h>
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25 #endif
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26
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27 #include <string>
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28 #include <map>
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29 #include <iostream>
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30 #include <algorithm>
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31 #include <cstdlib>
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32
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33 #if defined (__WIN32__) && ! defined (_POSIX_VERSION)
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34 #include <windows.h>
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35 #endif
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36
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37 static bool initialized = false;
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38 static std::map<std::string,std::string> vars;
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39 static std::string OCTAVE_HOME, PREFIX;
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40 static std::string usage_msg = "usage: octave-config [options]";
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41 static std::string help_msg =
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42 "\n"
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43 "Options:\n"
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44 "\n"
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45 " -h, -?, --help Print this message.\n"
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46 "\n"
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47 " --m-site-dir Print the name of the directory where Octave\n"
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48 " expects to find locally installed .m files.\n"
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49 "\n"
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50 " --oct-site-dir Print the name of the directory where Octave\n"
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51 " expects to find locally installed .oct files.\n"
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52 "\n"
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53 " -p VAR, --print VAR Print the value of the given configuration\n"
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54 " variable VAR. Recognized variables are:\n"
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55 "\n"
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56 " API_VERSION LOCALAPIARCHLIBDIR\n"
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57 " CANONICAL_HOST_TYPE LOCALAPIFCNFILEDIR\n"
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58 " DEFAULT_PAGER LOCALAPIOCTFILEDIR\n"
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59 " ARCHLIBDIR LOCALARCHLIBDIR\n"
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60 " BINDIR LOCALFCNFILEDIR\n"
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61 " DATADIR LOCALOCTFILEDIR\n"
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62 " DATAROOTDIR LOCALSTARTUPFILEDIR\n"
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63 " EXEC_PREFIX LOCALVERARCHLIBDIR\n"
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64 " FCNFILEDIR LOCALVERFCNFILEDIR\n"
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65 " LOCALVEROCTFILEDIR MAN1DIR\n"
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66 " IMAGEDIR MANDIR\n"
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67 " MAN1EXT OCTFILEDIR\n"
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68 " INCLUDEDIR OCTINCLUDEDIR\n"
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69 " INFODIR OCTLIBDIR\n"
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70 " INFOFILE PREFIX\n"
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71 " LIBDIR STARTUPFILEDIR\n"
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72 " LIBEXECDIR VERSION\n"
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73 "\n"
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74 " -v, --version Print the Octave version number.\n"
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75 "\n";
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76
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77 static std::string
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78 substitute_prefix (const std::string& s, const std::string& prefix,
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79 const std::string new_prefix)
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80 {
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81 std::string retval = s;
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82
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83 if (!prefix.empty () && new_prefix != prefix)
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84 {
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85 int len = prefix.length ();
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86 if (retval.find (prefix) == 0)
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87 retval.replace (0, len, new_prefix);
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88 }
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90 #if defined (__WIN32__) && ! defined (_POSIX_VERSION)
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91 std::replace (retval.begin (), retval.end (), '/', '\\');
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92 #endif
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93
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94 return retval;
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95 }
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96
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97 static void
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98 initialize (void)
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99 {
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100 if (initialized)
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101 return;
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102
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103 initialized = true;
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104
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105 const char *homestr = getenv ("OCTAVE_HOME");
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106 OCTAVE_HOME = (homestr ? homestr : "");
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107 PREFIX = %OCTAVE_PREFIX%;
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108
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109 #if defined (__WIN32__) && ! defined (_POSIX_VERSION)
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110 int n = 1024;
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111
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112 std::string bin_dir (n, '\0');
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113
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114 while (true)
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115 {
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116 int status = GetModuleFileName (0, &bin_dir[0], n);
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117
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118 if (status < n)
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119 {
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120 bin_dir.resize (status);
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121 break;
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122 }
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123 else
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124 {
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125 n *= 2;
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126 bin_dir.resize (n);
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127 }
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128 }
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129
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130 if (! bin_dir.empty ())
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131 {
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132 size_t pos = bin_dir.rfind ("\\bin\\");
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133
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134 if (pos != std::string::npos)
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135 OCTAVE_HOME = bin_dir.substr (0, pos);
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136 }
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137 #endif
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138
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139 vars["API_VERSION"] = %OCTAVE_API_VERSION%;
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140 vars["CANONICAL_HOST_TYPE"] = %OCTAVE_CANONICAL_HOST_TYPE%;
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141 vars["DEFAULT_PAGER"] = %OCTAVE_DEFAULT_PAGER%;
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142 vars["ARCHLIBDIR"] = substitute_prefix (%OCTAVE_ARCHLIBDIR%,
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143 PREFIX, OCTAVE_HOME);
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144 vars["BINDIR"] = substitute_prefix (%OCTAVE_BINDIR%, PREFIX, OCTAVE_HOME);
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145 vars["DATADIR"] = substitute_prefix (%OCTAVE_DATADIR%, PREFIX, OCTAVE_HOME);
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146 vars["DATAROOTDIR"] = substitute_prefix (%OCTAVE_DATAROOTDIR%,
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147 PREFIX, OCTAVE_HOME);
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148 vars["EXEC_PREFIX"] = substitute_prefix (%OCTAVE_EXEC_PREFIX%,
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149 PREFIX, OCTAVE_HOME);
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150 vars["FCNFILEDIR"] = substitute_prefix (%OCTAVE_FCNFILEDIR%,
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151 PREFIX, OCTAVE_HOME);
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152 vars["IMAGEDIR"] = substitute_prefix (%OCTAVE_IMAGEDIR%, PREFIX, OCTAVE_HOME);
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153 vars["INCLUDEDIR"] = substitute_prefix (%OCTAVE_INCLUDEDIR%,
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154 PREFIX, OCTAVE_HOME);
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155 vars["INFODIR"] = substitute_prefix (%OCTAVE_INFODIR%, PREFIX, OCTAVE_HOME);
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156 vars["INFOFILE"] = substitute_prefix (%OCTAVE_INFOFILE%, PREFIX, OCTAVE_HOME);
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157 vars["LIBDIR"] = substitute_prefix (%OCTAVE_LIBDIR%, PREFIX, OCTAVE_HOME);
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158 vars["LIBEXECDIR"] = substitute_prefix (%OCTAVE_LIBEXECDIR%,
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159 PREFIX, OCTAVE_HOME);
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160 vars["LOCALAPIARCHLIBDIR"] = substitute_prefix (%OCTAVE_LOCALAPIARCHLIBDIR%,
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161 PREFIX, OCTAVE_HOME);
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162 vars["LOCALAPIFCNFILEDIR"] = substitute_prefix (%OCTAVE_LOCALAPIFCNFILEDIR%,
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163 PREFIX, OCTAVE_HOME);
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164 vars["LOCALAPIOCTFILEDIR"] = substitute_prefix (%OCTAVE_LOCALAPIOCTFILEDIR%,
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165 PREFIX, OCTAVE_HOME);
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166 vars["LOCALARCHLIBDIR"] = substitute_prefix (%OCTAVE_LOCALARCHLIBDIR%,
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167 PREFIX, OCTAVE_HOME);
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168 vars["LOCALFCNFILEDIR"] = substitute_prefix (%OCTAVE_LOCALFCNFILEDIR%,
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169 PREFIX, OCTAVE_HOME);
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170 vars["LOCALOCTFILEDIR"] = substitute_prefix (%OCTAVE_LOCALOCTFILEDIR%,
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171 PREFIX, OCTAVE_HOME);
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172 vars["LOCALSTARTUPFILEDIR"] = substitute_prefix (%OCTAVE_LOCALSTARTUPFILEDIR%,
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173 PREFIX, OCTAVE_HOME);
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174 vars["LOCALVERARCHLIBDIR"] = substitute_prefix (%OCTAVE_LOCALVERARCHLIBDIR%,
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175 PREFIX, OCTAVE_HOME);
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176 vars["LOCALVERFCNFILEDIR"] = substitute_prefix (%OCTAVE_LOCALVERFCNFILEDIR%,
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177 PREFIX, OCTAVE_HOME);
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178 vars["LOCALVEROCTFILEDIR"] = substitute_prefix (%OCTAVE_LOCALVEROCTFILEDIR%,
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179 PREFIX, OCTAVE_HOME);
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180 vars["MAN1DIR"] = substitute_prefix (%OCTAVE_MAN1DIR%, PREFIX, OCTAVE_HOME);
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181 vars["MAN1EXT"] = %OCTAVE_MAN1EXT%;
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182 vars["MANDIR"] = substitute_prefix (%OCTAVE_MANDIR%, PREFIX, OCTAVE_HOME);
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183 vars["OCTFILEDIR"] = substitute_prefix (%OCTAVE_OCTFILEDIR%,
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184 PREFIX, OCTAVE_HOME);
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185 vars["OCTINCLUDEDIR"] = substitute_prefix (%OCTAVE_OCTINCLUDEDIR%,
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186 PREFIX, OCTAVE_HOME);
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187 vars["OCTLIBDIR"] = substitute_prefix (%OCTAVE_OCTLIBDIR%,
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188 PREFIX, OCTAVE_HOME);
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460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
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189 vars["PREFIX"] = (OCTAVE_HOME.empty () ? PREFIX : OCTAVE_HOME);
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190 vars["STARTUPFILEDIR"] = substitute_prefix (%OCTAVE_STARTUPFILEDIR%,
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191 PREFIX, OCTAVE_HOME);
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192 vars["VERSION"] = %OCTAVE_VERSION%;
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193 }
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194
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195 int
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196 main (int argc, char **argv)
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197 {
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198 initialize ();
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199
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200 if (argc == 1)
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201 {
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202 std::cout << usage_msg << std::endl;
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203 return 1;
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204 }
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205
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206 for (int i = 1; i < argc; i++)
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207 {
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208 std::string arg (argv[i]);
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209
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210 if (arg == "-h" || arg == "-?" || arg == "--help")
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211 {
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212 std::cout << usage_msg << std::endl;
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213 std::cout << help_msg;
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214 return 0;
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215 }
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216 else if (arg == "--m-site-dir")
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217 std::cout << vars["LOCALVERFCNFILEDIR"] << std::endl;
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218 else if (arg == "--oct-site-dir")
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219 std::cout << vars["LOCALVEROCTFILEDIR"] << std::endl;
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220 else if (arg == "-v" || arg == "--version")
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221 std::cout << vars["VERSION"] << std::endl;
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222 else if (arg == "-p" || arg == "--print")
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223 {
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224 if (i < argc-1)
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225 {
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226 arg = argv[++i];
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227 std::cout << vars[arg] << std::endl;
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228 }
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229 else
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230 {
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231 std::cerr << "octave-config: " << arg
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232 << " options requires argument" << std::endl;
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233 return 1;
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234 }
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235 }
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236 else
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237 {
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238 std::cerr << "octave-config: unrecognized argument " << arg
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239 << std::endl;
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240 return 1;
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241 }
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242 }
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243
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244 return 0;
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245 }