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5 >Libraries and LWAR</TITLE
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37 >LW Tool Chain</TH
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47 >Prev</A
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61 >Next</A
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66 ALIGN="LEFT"
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67 WIDTH="100%"></DIV
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68 ><DIV
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69 CLASS="CHAPTER"
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70 ><H1
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71 ><A
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72 NAME="AEN1006"
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73 ></A
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74 >Chapter 5. Libraries and LWAR</H1
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75 ><P
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76 >LWTOOLS also includes a tool for managing libraries. These are analogous to
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77 the static libraries created with the "ar" tool on POSIX systems. Each library
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78 file contains one or more object files. The linker will treat the object
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79 files within a library as though they had been specified individually on
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80 the command line except when resolving external references. External references
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81 are looked up first within the object files within the library and then, if
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82 not found, the usual lookup based on the order the files are specified on
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83 the command line occurs.</P
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84 ><P
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85 >The tool for creating these libary files is called LWAR.</P
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86 ><DIV
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87 CLASS="SECTION"
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88 ><H1
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89 CLASS="SECTION"
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90 ><A
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91 NAME="AEN1010"
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92 >5.1. Command Line Options</A
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93 ></H1
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94 ><P
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95 >The binary for LWAR is called "lwar". Note that the binary is in lower
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96 case. The options lwar understands are listed below. For archive manipulation
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97 options, the first non-option argument is the name of the archive. All other
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98 non-option arguments are the names of files to operate on.</P
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99 ><P
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100 ></P
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101 ><DIV
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102 CLASS="VARIABLELIST"
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103 ><DL
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104 ><DT
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105 ><CODE
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106 CLASS="OPTION"
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107 >--add</CODE
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108 >, <CODE
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109 CLASS="OPTION"
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110 >-a</CODE
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111 ></DT
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112 ><DD
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113 ><P
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114 >This option specifies that an archive is going to have files added to it.
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115 If the archive does not already exist, it is created. New files are added
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116 to the end of the archive.</P
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117 ></DD
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118 ><DT
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119 ><CODE
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120 CLASS="OPTION"
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121 >--create</CODE
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122 >, <CODE
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123 CLASS="OPTION"
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124 >-c</CODE
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125 ></DT
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126 ><DD
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127 ><P
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128 >This option specifies that an archive is going to be created and have files
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129 added to it. If the archive already exists, it is truncated.</P
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130 ></DD
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131 ><DT
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132 ><CODE
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133 CLASS="OPTION"
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134 >--merge</CODE
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135 >, <CODE
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136 CLASS="OPTION"
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137 >-m</CODE
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138 ></DT
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139 ><DD
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140 ><P
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141 >If specified, any files specified to be added to an archive will be checked
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142 to see if they are archives themselves. If so, their constituent members are
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143 added to the archive. This is useful for avoiding archives containing archives.</P
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144 ></DD
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145 ><DT
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146 ><CODE
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147 CLASS="OPTION"
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148 >--list</CODE
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149 >, <CODE
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150 CLASS="OPTION"
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151 >-l</CODE
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152 ></DT
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153 ><DD
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154 ><P
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155 >This will display a list of the files contained in the archive.</P
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156 ></DD
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157 ><DT
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158 ><CODE
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159 CLASS="OPTION"
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160 >--debug</CODE
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161 >, <CODE
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162 CLASS="OPTION"
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163 >-d</CODE
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164 ></DT
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165 ><DD
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166 ><P
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167 >This option increases the debugging level. It is only useful for LWTOOLS
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168 developers.</P
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169 ></DD
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170 ><DT
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171 ><CODE
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172 CLASS="OPTION"
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173 >--help</CODE
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174 >, <CODE
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175 CLASS="OPTION"
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176 >-?</CODE
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177 ></DT
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178 ><DD
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179 ><P
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180 >This provides a listing of command line options and a brief description
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181 of each.</P
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182 ></DD
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183 ><DT
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184 ><CODE
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185 CLASS="OPTION"
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186 >--usage</CODE
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187 ></DT
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188 ><DD
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189 ><P
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190 >This will display a usage summary
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191 of each command line option.</P
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192 ></DD
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193 ><DT
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194 ><CODE
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195 CLASS="OPTION"
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196 >--version</CODE
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197 >, <CODE
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198 CLASS="OPTION"
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199 >-V</CODE
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200 ></DT
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201 ><DD
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202 ><P
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203 >This will display the version of LWLINK.
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204 of each.</P
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205 ></DD
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206 ></DL
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