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Fix FREESCALE_EDMA_NBYTES_MLOFFYES_MLOFF() so it works with negative offsets.
author vae
date Wed, 29 Apr 2015 23:31:48 +0000
parents 74dbf4c3f2e1
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # ====================================================================
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2 #
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3 # stdlib.cdl
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4 #
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5 # C library stdlib related configuration data
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6 #
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7 # ====================================================================
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8 ## ####ECOSGPLCOPYRIGHTBEGIN####
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9 ## -------------------------------------------
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10 ## This file is part of eCos, the Embedded Configurable Operating System.
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11 ## Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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12 ##
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13 ## eCos is free software; you can redistribute it and/or modify it under
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14 ## the terms of the GNU General Public License as published by the Free
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15 ## Software Foundation; either version 2 or (at your option) any later
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16 ## version.
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17 ##
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18 ## eCos is distributed in the hope that it will be useful, but WITHOUT
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19 ## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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20 ## FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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21 ## for more details.
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22 ##
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23 ## You should have received a copy of the GNU General Public License
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24 ## along with eCos; if not, write to the Free Software Foundation, Inc.,
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25 ## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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26 ##
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27 ## As a special exception, if other files instantiate templates or use
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28 ## macros or inline functions from this file, or you compile this file
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29 ## and link it with other works to produce a work based on this file,
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30 ## this file does not by itself cause the resulting work to be covered by
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31 ## the GNU General Public License. However the source code for this file
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32 ## must still be made available in accordance with section (3) of the GNU
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33 ## General Public License v2.
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34 ##
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35 ## This exception does not invalidate any other reasons why a work based
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36 ## on this file might be covered by the GNU General Public License.
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37 ## -------------------------------------------
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38 ## ####ECOSGPLCOPYRIGHTEND####
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39 # ====================================================================
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40 ######DESCRIPTIONBEGIN####
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41 #
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42 # Author(s): jlarmour
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43 # Contributors:
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44 # Date: 2000-04-14
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45 #
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46 #####DESCRIPTIONEND####
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47 #
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48 # ====================================================================
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49
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50 cdl_package CYGPKG_LIBC_STDLIB {
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51 display "ISO C library general utility functions"
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52 description "
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53 This package provides general utility functions in <stdlib.h>
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54 as specified by the ISO C standard - ISO/IEC 9899:1990."
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55 doc ref/libc.html
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56 include_dir cyg/libc/stdlib
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57 parent CYGPKG_LIBC
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58 requires CYGPKG_ISOINFRA
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59 implements CYGINT_ISO_STDLIB_STRCONV
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60 implements CYGINT_ISO_STDLIB_ENVIRON
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61 implements CYGINT_ISO_STDLIB_SYSTEM
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62 implements CYGINT_ISO_BSEARCH
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63 implements CYGINT_ISO_QSORT
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64 implements CYGINT_ISO_ABS
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65 implements CYGINT_ISO_DIV
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66 requires CYGINT_ISO_CTYPE
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67 requires CYGINT_ISO_STRING_STRFUNCS
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68
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69 compile abs.cxx atox.cxx bsearch.cxx \
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70 div.cxx getenv.cxx qsort.cxx \
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71 rand.cxx strtod.cxx strtol.cxx \
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72 strtoul.cxx system.cxx
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73
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74 # ====================================================================
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75
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76 cdl_component CYGIMP_LIBC_STDLIB_INLINES {
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77 display "Inline versions of <stdlib.h> functions"
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78 flavor none
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79 no_define
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80 description "
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81 This option chooses whether some of the
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82 particularly simple standard utility functions
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83 from <stdlib.h> are available as inline
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84 functions. This may improve performance, and as
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85 the functions are small, may even improve code
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86 size."
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87
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88 cdl_option CYGIMP_LIBC_STDLIB_INLINE_ABS {
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89 display "abs() / labs()"
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90 default_value 1
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91 no_define
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92 requires { CYGBLD_ISO_STDLIB_ABS_HEADER == \
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93 "<cyg/libc/stdlib/abs.inl>" }
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94 }
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95
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96 cdl_option CYGIMP_LIBC_STDLIB_INLINE_DIV {
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97 display "div() / ldiv()"
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98 default_value 1
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99 no_define
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100 requires { CYGBLD_ISO_STDLIB_DIV_HEADER == \
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101 "<cyg/libc/stdlib/div.inl>" }
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102 }
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103
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104 cdl_option CYGIMP_LIBC_STDLIB_INLINE_ATOX {
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105 display "atof() / atoi() / atol()"
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106 default_value 1
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107 no_define
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108 requires { CYGBLD_ISO_STDLIB_STRCONV_HEADER == \
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109 "<cyg/libc/stdlib/atox.inl>" }
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110 }
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111 }
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112
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113 cdl_component CYGPKG_LIBC_RAND {
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114 display "Random number generation"
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115 flavor none
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116 description "
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117 These options control the behaviour of the
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118 functions rand(), srand() and rand_r()"
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119
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120 cdl_option CYGSEM_LIBC_PER_THREAD_RAND {
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121 display "Per-thread random seed"
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122 doc ref/libc-thread-safety.html
115
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123 requires CYGVAR_KERNEL_THREADS_DATA
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124 default_value 0
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125 description "
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126 This option controls whether the pseudo-random
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127 number generation functions rand() and srand()
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128 have their state recorded on a per-thread
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129 basis rather than global. If this option is
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130 disabled, some per-thread space can be saved.
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131 Note there is also a POSIX-standard rand_r()
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132 function to achieve a similar effect with user
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133 support. Enabling this option will use one slot
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134 of kernel per-thread data. You should ensure you
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135 have enough slots configured for all your
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136 per-thread data."
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137 }
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138
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139 cdl_option CYGNUM_LIBC_RAND_SEED {
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140 display "Random number seed"
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141 flavor data
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142 legal_values 0 to 0x7fffffff
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143 default_value 1
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144 description "
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145 This selects the initial random number seed for
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146 rand()'s pseudo-random number generator. For
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147 strict ISO standard compliance, this should be 1,
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148 as per section 7.10.2.2 of the standard."
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149 }
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150
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151 cdl_option CYGNUM_LIBC_RAND_TRACE_LEVEL {
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152 display "Tracing level"
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153 flavor data
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154 legal_values 0 to 1
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155 default_value 0
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156 description "
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157 Trace verbosity level for debugging the rand(),
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158 srand() and rand_r() functions. Increase this
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159 value to get additional trace output."
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160 }
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161
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162 cdl_option CYGIMP_LIBC_RAND_SIMPLEST {
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163 display "Simplest implementation"
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164 flavor bool
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165 default_value 0
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166 implements CYGINT_ISO_RAND
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167 description "
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168 This provides a very simple implementation of rand()
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169 that does not perform well with randomness in the
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170 lower significant bits. However it is exceptionally
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171 fast. It uses the sample algorithm from the ISO C
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172 standard itself."
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173 }
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174
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175 cdl_option CYGIMP_LIBC_RAND_SIMPLE1 {
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176 display "Simple implementation #1"
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177 flavor bool
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178 default_value 1
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179 implements CYGINT_ISO_RAND
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180 description "
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181 This provides a very simple implementation of rand()
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182 based on the simplest implementation above. However
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183 it does try to work around the lack of randomness
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184 in the lower significant bits, at the expense of a
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185 little speed."
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186 }
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187
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188 cdl_option CYGIMP_LIBC_RAND_KNUTH1 {
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189 display "Knuth implementation #1"
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190 flavor bool
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191 default_value 0
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192 implements CYGINT_ISO_RAND
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193 description "
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194 This implements a slightly more complex algorithm
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195 published in Donald E. Knuth's Art of Computer
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196 Programming Vol.2 section 3.6 (p.185 in the 3rd ed.).
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197 This produces better random numbers than the
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198 simplest approach but is slower."
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199 }
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200 }
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201
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202 cdl_option CYGFUN_LIBC_strtod {
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203 display "Provides strtod()"
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204 requires CYGPKG_LIBM
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205 default_value { 0 != CYGPKG_LIBM }
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206 implements CYGINT_ISO_STDLIB_STRCONV_FLOAT
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207 description "
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208 This option allows use of the utility function
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209 strtod() (and consequently atof()) to convert
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210 from string to double precision floating point
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211 numbers. Disabling this option removes the
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212 dependency on the math library package."
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213 }
1722
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214
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215 cdl_option CYGFUN_LIBC_STDLIB_CONV_LONGLONG {
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216 display "Provides long long conversion functions"
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217 default_value 1
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218 compile strtoll.cxx strtoull.cxx
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219 description "
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220 Enabling this option will provide support for the strtoll(),
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221 strtoull() and atoll() conversion functions, which are
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222 the long long variants of the standard versions of these
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223 functions. Supporting this requires extra code and compile
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224 time."
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225 }
115
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226
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227 cdl_option CYGNUM_LIBC_BSEARCH_TRACE_LEVEL {
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228 display "bsearch() tracing level"
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229 flavor data
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230 legal_values 0 to 1
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231 default_value 0
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232 description "
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233 Trace verbosity level for debugging the <stdlib.h>
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234 binary search function bsearch(). Increase this
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235 value to get additional trace output."
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236 }
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237
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238 cdl_option CYGNUM_LIBC_QSORT_TRACE_LEVEL {
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239 display "qsort() tracing level"
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240 flavor data
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241 legal_values 0 to 1
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242 default_value 0
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243 description "
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244 Trace verbosity level for debugging the <stdlib.h>
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245 quicksort function qsort(). Increase this value
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246 to get additional trace output."
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247 }
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248
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249
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250 # ====================================================================
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251
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252 cdl_component CYGPKG_LIBC_STDLIB_OPTIONS {
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253 display "C library stdlib build options"
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254 flavor none
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255 no_define
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256 description "
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257 Package specific build options including control over
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258 compiler flags used only in building this package,
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259 and details of which tests are built."
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260
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261
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262 cdl_option CYGPKG_LIBC_STDLIB_CFLAGS_ADD {
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263 display "Additional compiler flags"
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264 flavor data
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265 no_define
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266 default_value { "" }
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267 description "
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268 This option modifies the set of compiler flags for
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269 building this package. These flags are used in addition
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270 to the set of global flags."
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271 }
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272
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273 cdl_option CYGPKG_LIBC_STDLIB_CFLAGS_REMOVE {
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274 display "Suppressed compiler flags"
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275 flavor data
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276 no_define
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277 default_value { "" }
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278 description "
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279 This option modifies the set of compiler flags for
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280 building this package. These flags are removed from
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281 the set of global flags if present."
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282 }
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283
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284 cdl_option CYGPKG_LIBC_STDLIB_TESTS {
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285 display "C library stdlib tests"
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286 flavor data
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287 no_define
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288 calculated { "tests/abs tests/atoi tests/atol tests/bsearch tests/div tests/getenv tests/labs tests/ldiv tests/qsort tests/rand1 tests/rand2 tests/rand3 tests/rand4 tests/srand tests/strtol tests/strtoul" }
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289 description "
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290 This option specifies the set of tests for this package."
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291 }
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292 }
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293 }
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294
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295 # ====================================================================
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296 # EOF stdlib.cdl