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annotate packages/language/c/libc/current/cdl/libc.cdl @ 76:435cced73e2f ecos-v1_3_1-release

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eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
author jlarmour
date Tue, 28 Mar 2000 14:10:45 +0000
parents
children 6736c52df507
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76
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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1 # ====================================================================
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2 #
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3 # libc.cdl
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4 #
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5 # C library configuration data
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6 #
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7 # ====================================================================
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8 #####COPYRIGHTBEGIN####
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9 #
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10 # -------------------------------------------
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11 # The contents of this file are subject to the Red Hat eCos Public License
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12 # Version 1.1 (the "License"); you may not use this file except in
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13 # compliance with the License. You may obtain a copy of the License at
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14 # http://www.redhat.com/
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15 #
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16 # Software distributed under the License is distributed on an "AS IS"
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17 # basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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18 # License for the specific language governing rights and limitations under
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19 # the License.
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20 #
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21 # The Original Code is eCos - Embedded Configurable Operating System,
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22 # released September 30, 1998.
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23 #
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24 # The Initial Developer of the Original Code is Red Hat.
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25 # Portions created by Red Hat are
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26 # Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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27 # All Rights Reserved.
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28 # -------------------------------------------
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29 #
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30 #####COPYRIGHTEND####
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31 # ====================================================================
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32 ######DESCRIPTIONBEGIN####
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33 #
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34 # Author(s): bartv
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35 # Original data: jlarmour
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36 # Contributors:
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37 # Date: 1999-06-13
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38 #
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39 #####DESCRIPTIONEND####
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40 #
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41 # ====================================================================
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42
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43 cdl_package CYGPKG_LIBC {
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44 display "C library"
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45 description "
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46 This package enables compatibility with the ISO
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47 C standard - ISO/IEC 9899:1990. This allows the
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48 user application to use well known standard
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49 C library functions, and in eCos starts a
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50 thread to invoke the user function main()"
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51 doc redirect/the-iso-standard-c-and-math-libraries.html
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52 compile ctype/isalnum.cxx ctype/isalpha.cxx ctype/iscntrl.cxx \
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53 ctype/isdigit.cxx ctype/isgraph.cxx ctype/islower.cxx \
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54 ctype/isprint.cxx ctype/ispunct.cxx ctype/isspace.cxx \
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55 ctype/isupper.cxx ctype/isxdigit.cxx ctype/tolower.cxx \
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56 ctype/toupper.cxx \
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57 \
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58 errno/errno.cxx \
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59 \
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60 i18n/locale.cxx \
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61 \
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62 setjmp/longjmp.cxx \
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63 \
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64 signal/raise.cxx signal/siginit.cxx \
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65 signal/signal.cxx \
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66 \
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67 stdio/common/fclose.cxx stdio/common/fflush.cxx \
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68 stdio/common/fopen.cxx stdio/common/freopen.cxx \
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69 stdio/common/setvbuf.cxx stdio/common/snprintf.cxx \
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70 stdio/common/sprintf.cxx stdio/common/sscanf.cxx \
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71 stdio/common/stderr.cxx stdio/common/stdin.cxx \
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72 stdio/common/stdiofiles.cxx \
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73 stdio/common/stdioinlines.cxx stdio/common/stdiosupp.cxx \
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74 stdio/common/stdout.cxx stdio/common/stream.cxx \
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75 stdio/common/streambuf.cxx stdio/common/ungetc.cxx \
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76 stdio/common/vsnprintf.cxx stdio/common/vsscanf.cxx \
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77 stdio/input/fgetc.cxx stdio/input/fgets.cxx \
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78 stdio/input/fread.cxx stdio/input/fscanf.cxx \
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79 stdio/input/gets.cxx stdio/input/scanf.cxx \
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80 stdio/input/vfscanf.cxx stdio/output/fnprintf.cxx \
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81 stdio/output/fprintf.cxx stdio/output/fputc.cxx \
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82 stdio/output/fputs.cxx stdio/output/fwrite.cxx \
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83 stdio/output/printf.cxx stdio/output/vfnprintf.cxx \
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84 \
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85 stdlib/_exit.cxx stdlib/abort.cxx stdlib/abs.cxx \
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86 stdlib/atexit.cxx stdlib/atof.cxx stdlib/atoi.cxx \
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87 stdlib/atol.cxx stdlib/bsearch.cxx stdlib/div.cxx \
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88 stdlib/exit.cxx stdlib/getenv.cxx stdlib/itoa.cxx \
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89 stdlib/labs.cxx stdlib/ldiv.cxx stdlib/malloc.cxx \
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90 stdlib/qsort.cxx stdlib/rand.cxx stdlib/strtod.cxx \
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91 stdlib/strtol.cxx stdlib/strtoul.cxx stdlib/system.cxx \
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92 \
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93 string/memchr.cxx string/memcmp.cxx string/memmove.cxx \
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94 string/strcat.cxx string/strchr.cxx string/strcmp.cxx \
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95 string/strcoll.cxx string/strcpy.cxx string/strcspn.cxx \
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96 string/strlen.cxx string/strncat.cxx string/strncmp.cxx \
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97 string/strncpy.cxx string/strpbrk.cxx string/strrchr.cxx \
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98 string/strspn.cxx string/strstr.cxx string/strsuppt.cxx \
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99 string/strtok.cxx string/strxfrm.cxx \
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100 \
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101 support/cstartup.cxx support/environ.cxx \
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102 support/invokemain.cxx support/main.cxx \
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103 support/mainthread.cxx \
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104 \
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105 time/asctime.cxx time/asctime_r.cxx time/clock.cxx \
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106 time/ctime.cxx time/ctime_r.cxx time/difftime.cxx \
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107 time/gmtime.cxx time/gmtime_r.cxx time/localtime.cxx \
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108 time/localtime_r.cxx time/mktime.cxx time/settime.cxx \
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109 time/strftime.cxx time/time.cxx time/timeutil.cxx
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110
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111
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112 cdl_option CYGIMP_LIBC_CTYPE_INLINES {
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113 display "Inline versions of <ctype.h> functions"
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114 default_value 1
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115 description "
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116 This option chooses whether the simple character
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117 classification and conversion functions (e.g.
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118 isupper(), isalpha(), toupper(), etc.)
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119 from <ctype.h> are available as inline
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120 functions. This may improve performance and as
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121 the functions are small, may even improve code
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122 size."
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123 }
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124
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125 # STRING CONFIGURATION OPTIONS
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126 cdl_component CYGPKG_LIBC_STRING {
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127 display "String functions"
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128 flavor none
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129 description "
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130 Options associated with the standard string functions"
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131
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132 script string.cdl
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133 }
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134
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135 # SETJMP CONFIGURATION OPTIONS
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136 cdl_option CYGIMP_LIBC_SETJMP_INLINES {
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137 display "Inline version of the longjmp() function"
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138 default_value 1
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139 description "
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140 This option chooses whether the longjmp() function
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141 is available as an inline function. This may
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142 improve performance, and as the function is small
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143 may even improve code size. "
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144 }
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145
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146 # STDLIB CONFIGURATION OPTIONS
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147 cdl_component CYGPKG_LIBC_STDLIB {
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148 display "Standard utility functions"
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149 flavor none
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150 description "
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151 Options associated with the standard utility functions in <stdlib.h>"
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152
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153 script stdlib.cdl
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154 }
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155
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156 # STDIO CONFIGURATION OPTIONS
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157 cdl_component CYGPKG_LIBC_STDIO {
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158 display "Standard input/output functions"
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159 flavor bool
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160 requires CYGPKG_IO
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161 requires CYGPKG_IO_SERIAL_HALDIAG
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162 default_value 1
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163 description "
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164 This enables support for standard I/O functions from <stdio.h>."
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165
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166 script stdio.cdl
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167 }
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168
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169
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170 # INTERNATIONALIZATION AND LOCALIZATION OPTIONS
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171 cdl_option CYGNUM_LIBC_MAX_LOCALE_NAME_SIZE {
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172 display "Size of locale name strings"
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173 flavor data
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174 legal_values 2 to 0x7fffffff
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175 default_value 16
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176 description "
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177 This option controls the maximum size of
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178 locale names and is used, among other things
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179 to instantiate a static string used
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180 as a return value from the
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181 setlocale() function. When requesting the
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182 current locale settings with LC_ALL, a string
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183 must be constructed to contain this data, rather
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184 than just returning a constant string. This
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185 string data is stored in the static string.
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186 This depends on the length of locale names,
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187 hence this option. If just the C locale is
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188 present, this option can be set as low as 2."
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189 }
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190
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191 # SIGNAL CONFIGURATION OPTIONS
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192 cdl_component CYGPKG_LIBC_SIGNALS {
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193 display "Signals"
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194 flavor bool
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195 default_value 1
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196 description "
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197 This component controls signal functionality,
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198 as implemented in ISO C chapter 7.7 with the
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199 signal() and raise() functions. As well as
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200 allowing a program to send itself signals, it is
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201 also possible to cause hardware exceptions to
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202 be signalled to the program in a similar way."
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203
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204 script signals.cdl
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205 }
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206
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207
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208 # STARTUP OPTIONS
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209 cdl_component CYGPKG_LIBC_STARTUP {
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210 display "ISO C startup/termination"
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211 flavor none
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212 doc redirect/c-library-startup.html
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213 description "
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214 This component manages the control of the
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215 environment (in the general sense) that the
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216 C library provides for use for full ISO C
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217 compatibility, including a main() entry point
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218 supplied with arguments and an environment
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219 (as retrievable by the getenv() function).
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220 It also includes at the other end of things,
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221 what happens when main() returns or exit() is
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222 called."
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223
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224 script startup.cdl
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225 }
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226
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227 # ERRNO OPTIONS
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228 cdl_component CYGPKG_LIBC_ERRNO {
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229 display "errno"
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230 flavor none
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231 description "
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232 This package controls the behaviour of the
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233 errno variable (or more strictly, expression)
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234 from <errno.h>."
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235
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236 cdl_option CYGSEM_LIBC_PER_THREAD_ERRNO {
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237 display "Per-thread errno"
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238 requires CYGVAR_KERNEL_THREADS_DATA
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239 default_value 1
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240 description "
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241 This option controls whether the standard error
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242 code reporting variable errno is a per-thread
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243 variable, rather than global. Enabling this
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244 option will use one slot of kernel per-thread data.
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245 You should ensure you have enough slots configured
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246 for all your per-thread data."
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247 }
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248
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249 cdl_option CYGNUM_LIBC_ERRNO_TRACE_LEVEL {
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250 display "Tracing level"
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251 flavor data
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252 legal_values 0 to 1
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253 default_value 0
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254 description "
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255 Trace verbosity level for debugging the errno
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256 retrieval mechanism in errno.cxx. Increase this
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257 value to get additional trace output."
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258 }
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259 }
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260
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261 # TIME OPTIONS
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262 cdl_component CYGPKG_LIBC_TIME {
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263 display "Date/time"
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264 flavor none
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265 description "
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266 Options for date and time related functions from <time.h>"
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267
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268 script time.cdl
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269 }
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270
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271 define_proc {
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272 puts $::cdl_header "/***** proc output start *****/"
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273 puts $::cdl_header "#include <pkgconf/system.h>"
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274
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275 # MISCELLANEOUS DEFINES
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276 # These are not really adjustable by the user. Do not change these unless
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277 # you know what you are doing!
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278
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279 # How to define inline functions
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280 puts $::cdl_header "#define CYGPRI_LIBC_INLINE extern __inline__"
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281
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282 # The following isn't supported yet - I'm leaving it for now
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283 puts $::cdl_header "#ifdef __GNUC__xxxxxx"
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284 puts $::cdl_header "# define CYGPRI_LIBC_ATTRIB_FORMAT_STRFTIME __attribute__ ((format (strftime, 3)))"
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285 puts $::cdl_header "#else"
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286 puts $::cdl_header "# define CYGPRI_LIBC_ATTRIB_FORMAT_STRFTIME"
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287 puts $::cdl_header "#endif"
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288
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289 # The following are only for compatibility, and will
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290 # eventually be removed once they are eliminated entirely from
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291 # the code base
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292 puts $::cdl_header "#define CYGPRI_LIBC_WEAK CYGBLD_ATTRIB_WEAK"
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293
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294 # How to define aliases
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295 puts $::cdl_header "#define CYGPRI_LIBC_ALIAS(__symbol__) __attribute__ ((alias (__symbol__)))"
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296
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297 puts $::cdl_header "# define CYGPRI_LIBC_WEAK_ALIAS(__symbol__) CYGBLD_ATTRIB_WEAK CYGPRI_LIBC_ALIAS(__symbol__)"
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298
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299 # How to define functions that don't return
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300 puts $::cdl_header "#define CYGPRI_LIBC_NORETURN CYGBLD_ATTRIB_NORET"
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301 puts $::cdl_header "/****** proc output end ******/"
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302 }
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303
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304 cdl_component CYGPKG_LIBC_OPTIONS {
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305 display "C library build options"
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306 flavor none
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307 description "
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308 Package specific build options including control over
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309 compiler flags used only in building this package,
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310 and details of which tests are built."
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311
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312
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313 cdl_option CYGPKG_LIBC_CFLAGS_ADD {
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314 display "Additional compiler flags"
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315 flavor data
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316 no_define
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317 default_value { "" }
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318 description "
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319 This option modifies the set of compiler flags for
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320 building the C library. These flags are used in addition
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321 to the set of global flags."
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322 }
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323
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324 cdl_option CYGPKG_LIBC_CFLAGS_REMOVE {
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325 display "Supressed compiler flags"
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326 flavor data
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327 no_define
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328 default_value { "" }
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329 description "
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330 This option modifies the set of compiler flags for
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331 building the C library. These flags are removed from
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332 the set of global flags if present."
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333 }
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334
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335 cdl_option CYGPKG_LIBC_TESTS {
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336 display "C library tests"
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337 flavor data
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338 no_define
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339 calculated { "tests/ctype/ctype tests/i18n/setlocale tests/setjmp/setjmp tests/signal/signal1 tests/signal/signal2 tests/stdio/sprintf1 tests/stdio/sprintf2 tests/stdio/sscanf tests/stdio/stdiooutput tests/stdlib/abs tests/stdlib/atexit tests/stdlib/atoi tests/stdlib/atol tests/stdlib/bsearch tests/stdlib/div tests/stdlib/getenv tests/stdlib/labs tests/stdlib/ldiv tests/stdlib/qsort tests/stdlib/malloc1 tests/stdlib/malloc2 tests/stdlib/malloc3 tests/stdlib/rand1 tests/stdlib/rand2 tests/stdlib/rand3 tests/stdlib/rand4 tests/stdlib/realloc tests/stdlib/srand tests/stdlib/strtol tests/stdlib/strtoul tests/string/memchr tests/string/memcmp1 tests/string/memcmp2 tests/string/memcpy1 tests/string/memcpy2 tests/string/memmove1 tests/string/memmove2 tests/string/memset tests/string/strcat1 tests/string/strcat2 tests/string/strchr tests/string/strcmp1 tests/string/strcmp2 tests/string/strcoll1 tests/string/strcoll2 tests/string/strcpy1 tests/string/strcpy2 tests/string/strcspn tests/string/strcspn tests/string/strlen tests/string/strncat1 tests/string/strncat2 tests/string/strncpy1 tests/string/strncpy2 tests/string/strpbrk tests/string/strrchr tests/string/strspn tests/string/strstr tests/string/strtok tests/string/strxfrm1 tests/string/strxfrm2 tests/time/asctime tests/time/clock tests/time/ctime tests/time/gmtime tests/time/localtime tests/time/mktime tests/time/strftime tests/time/time" }
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340 description "
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341 This option specifies the set of tests for the C library."
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342 }
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343 }
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344 }