1 | <?xml version="1.0" encoding="ISO-8859-1"?> |
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" |
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3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [ |
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4 | <!ENTITY % general-entities SYSTEM "../../general.ent"> |
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5 | %general-entities; |
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6 | ]> |
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7 | |
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8 | <sect1 id="ch-cross-tools-glibc" role="wrap"> |
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9 | <?dbhtml filename="glibc.html"?> |
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10 | |
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11 | <title>Glibc-&glibc-version;</title> |
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12 | |
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13 | <indexterm zone="ch-cross-tools-glibc"> |
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14 | <primary sortas="a-Glibc">Glibc</primary> |
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15 | <secondary>cross tools</secondary> |
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16 | </indexterm> |
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17 | |
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18 | <sect2 role="package"> |
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19 | <title/> |
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20 | |
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21 | <para>The Glibc package contains the main C library. This library provides |
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22 | the basic routines for allocating memory, searching directories, opening and |
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23 | closing files, reading and writing files, string handling, pattern matching, |
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24 | arithmetic, and so on.</para> |
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25 | |
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26 | </sect2> |
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27 | |
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28 | <sect2 role="installation"> |
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29 | <title>Installation of Glibc</title> |
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30 | |
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31 | <note os="a"> |
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32 | <para>Some packages outside of CLFS suggest installing GNU libiconv in |
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33 | order to translate data from one encoding to another. The project's |
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34 | home page (<ulink url="http://www.gnu.org/software/libiconv/"/>) says |
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35 | <quote>This library provides an <function>iconv()</function> |
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36 | implementation, for use on systems which don't have one, or whose |
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37 | implementation cannot convert from/to Unicode.</quote> Glibc provides |
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38 | an <function>iconv()</function> implementation and can convert from/to |
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39 | Unicode, therefore libiconv is not required on an CLFS system.</para> |
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40 | </note> |
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41 | |
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42 | <para os="p1">The Glibc build will expect to find |
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43 | <filename>libgcc_eh</filename>, but this library is not installed when GCC |
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44 | is built without "--enable-shared". As a result, the Glibc build will fail. |
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45 | The following patch will force Glibc to check for the existance of |
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46 | <filename>libgcc_eh</filename> and try to link to it only if it exists:</para> |
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47 | |
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48 | <screen os="p2"><userinput>patch -Np1 -i ../&glibc-libgcc_eh-patch;</userinput></screen> |
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49 | |
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50 | <para os="p3">The following patch fixes an issue that can |
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51 | cause <command>localdef</command> to segfault:</para> |
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52 | |
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53 | <screen os="p4"><userinput>patch -Np1 -i ../&glibc-localedef_segfault-patch;</userinput></screen> |
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54 | |
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55 | <para os="p5">The following patch builds <filename>zic-native</filename>, |
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56 | <filename>localedef-native</filename>, and |
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57 | <filename>rpcgen-native</filename>. <filename>zic-native</filename> is used |
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58 | to generate the zoneinfo, <filename>localedef-native</filename> is used to |
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59 | generate the locale archive, and <filename>rpcgen-native</filename> is used |
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60 | to generate part of <filename>librpcsvc.a</filename>. All of these programs |
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61 | would normally not be available when cross-compiling:</para> |
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62 | |
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63 | <screen os="p6"><userinput>patch -Np1 -i ../&glibc-cross_hacks-patch;</userinput></screen> |
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64 | |
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65 | <para os="b">The Glibc documentation recommends building Glibc outside of the |
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66 | source directory in a dedicated build directory:</para> |
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67 | |
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68 | <screen os="c"><userinput>mkdir -v ../glibc-build |
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69 | cd ../glibc-build</userinput></screen> |
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70 | |
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71 | <para os="d">The following lines need to be added to |
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72 | <filename>config.cache</filename> for Glibc to support NPTL:</para> |
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73 | |
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74 | <screen os="e"><userinput>echo "libc_cv_forced_unwind=yes" > config.cache |
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75 | echo "libc_cv_c_cleanup=yes" >> config.cache |
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76 | echo "libc_cv_gnu89_inline=yes" >> config.cache</userinput></screen> |
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77 | |
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78 | <para os="f">The following line needs to be added to |
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79 | <filename>configparms</filename> to adjust installation paths:</para> |
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80 | |
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81 | <screen os="g"><userinput>echo "install_root=${CLFS}" > configparms</userinput></screen> |
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82 | |
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83 | <para os="h">Prepare Glibc for compilation:</para> |
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84 | |
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85 | <screen os="i"><userinput>BUILD_CC="gcc" CC="${CLFS_TARGET}-gcc" \ |
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86 | AR="${CLFS_TARGET}-ar" RANLIB="${CLFS_TARGET}-ranlib" \ |
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87 | ../glibc-&glibc-version;/configure --prefix=/usr \ |
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88 | --libexecdir=/usr/lib/glibc --host=${CLFS_TARGET} --build=${CLFS_HOST} \ |
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89 | --disable-profile --enable-add-ons --with-tls --enable-kernel=2.6.0 \ |
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90 | --with-__thread --with-binutils=${CLFS}/cross-tools/bin \ |
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91 | --with-headers=${CLFS}/usr/include --cache-file=config.cache</userinput></screen> |
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92 | |
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93 | <variablelist os="j"> |
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94 | <title>The meaning of the new configure options:</title> |
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95 | |
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96 | <varlistentry os="j1"> |
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97 | <term><parameter>BUILD_CC="gcc"</parameter></term> |
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98 | <listitem> |
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99 | <para>This tells Glibc to use the compiler on the host system. This is |
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100 | used to create the tools Glibc uses during its build.</para> |
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101 | </listitem> |
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102 | </varlistentry> |
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103 | |
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104 | <varlistentry os="j2"> |
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105 | <term><parameter>CC="${CLFS_TARGET}-gcc"</parameter></term> |
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106 | <listitem> |
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107 | <para>This forces Glibc to use the GCC compiler that we made for our target |
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108 | architecture.</para> |
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109 | </listitem> |
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110 | </varlistentry> |
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111 | |
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112 | <varlistentry os="j3"> |
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113 | <term><parameter>AR="${CLFS_TARGET}-ar"</parameter></term> |
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114 | <listitem> |
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115 | <para>This forces Glibc to use the <command>ar</command> utility |
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116 | we made for our target architecture.</para> |
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117 | </listitem> |
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118 | </varlistentry> |
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119 | |
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120 | <varlistentry os="j4"> |
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121 | <term><parameter>RANLIB="${CLFS_TARGET}-ranlib"</parameter></term> |
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122 | <listitem> |
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123 | <para>This forces Glibc to use the <command>ranlib</command> utility |
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124 | we made for our target architecture.</para> |
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125 | </listitem> |
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126 | </varlistentry> |
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127 | |
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128 | <varlistentry os="j5"> |
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129 | <term><parameter>--disable-profile</parameter></term> |
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130 | <listitem> |
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131 | <para>This builds the libraries without profiling information. |
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132 | Omit this option if profiling on the temporary tools is necessary.</para> |
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133 | </listitem> |
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134 | </varlistentry> |
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135 | |
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136 | <varlistentry os="j6"> |
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137 | <term><parameter>--enable-add-ons</parameter></term> |
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138 | <listitem> |
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139 | <para>This tells Glibc to utilize all add-ons that are |
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140 | available.</para> |
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141 | </listitem> |
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142 | </varlistentry> |
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143 | |
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144 | <varlistentry os="j7"> |
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145 | <term><parameter>--with-tls</parameter></term> |
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146 | <listitem> |
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147 | <para>This tells Glibc to use Thread Local Storage.</para> |
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148 | </listitem> |
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149 | </varlistentry> |
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150 | |
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151 | <varlistentry os="j8"> |
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152 | <term><parameter>--with-__thread</parameter></term> |
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153 | <listitem> |
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154 | <para>This tells Glibc to use use the __thread for libc and |
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155 | libpthread builds.</para> |
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156 | </listitem> |
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157 | </varlistentry> |
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158 | |
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159 | <varlistentry os="j9"> |
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160 | <term><parameter>--with-binutils=${CLFS}/cross-tools/bin</parameter></term> |
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161 | <listitem> |
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162 | <para>This tells Glibc to use the Binutils that are specific to |
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163 | our target architecture.</para> |
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164 | </listitem> |
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165 | </varlistentry> |
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166 | |
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167 | <varlistentry os="j10"> |
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168 | <term><parameter>--cache-file=config.cache</parameter></term> |
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169 | <listitem> |
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170 | <para>This tells Glibc to utilize a premade cache file.</para> |
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171 | </listitem> |
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172 | </varlistentry> |
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173 | |
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174 | </variablelist> |
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175 | |
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176 | <para os="k">During this stage the following warning might appear:</para> |
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177 | |
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178 | <blockquote os="l"><screen><computeroutput>configure: WARNING: |
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179 | *** These auxiliary programs are missing or |
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180 | *** incompatible versions: msgfmt |
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181 | *** some features will be disabled. |
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182 | *** Check the INSTALL file for required versions.</computeroutput></screen></blockquote> |
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183 | |
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184 | <para os="m">The missing or incompatible <command>msgfmt</command> program is |
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185 | generally harmless. This <command>msgfmt</command> program is part of the |
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186 | Gettext package which the host distribution should provide.</para> |
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187 | |
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188 | <para os="n">Compile the package:</para> |
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189 | |
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190 | <screen os="o"><userinput>make</userinput></screen> |
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191 | |
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192 | <para os="p">Install the package:</para> |
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193 | |
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194 | <screen os="q"><userinput>make install</userinput></screen> |
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195 | |
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196 | </sect2> |
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197 | |
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198 | <sect2 id="i18n-glibc" role="configuration"> |
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199 | <title>Internationalization</title> |
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200 | |
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201 | <para>The locales that can make the system respond in a different |
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202 | language were not installed by the above command. Install them |
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203 | with:</para> |
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204 | |
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205 | <screen><userinput>make localedata/install-locales</userinput></screen> |
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206 | |
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207 | <para>To save time, an alternative to running the previous command (which |
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208 | generates and installs every locale listed in the |
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209 | glibc-&glibc-version;/localedata/SUPPORTED file) is to install only |
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210 | those locales that are wanted and needed. This can be achieved by using |
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211 | the <command>localedef</command> command. Information on this command is |
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212 | located in the <filename>INSTALL</filename> file in the Glibc source. |
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213 | However, there are a number of locales that are essential in order for the |
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214 | tests of future packages to pass, in particular, the |
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215 | <emphasis>libstdc++</emphasis> tests from GCC. The following instructions, |
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216 | instead of the <parameter>install-locales</parameter> target used above, |
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217 | will install the minimum set of locales necessary for the tests to run |
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218 | successfully:</para> |
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219 | |
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220 | <screen role="nodump"><userinput>mkdir -pv ${CLFS}/usr/lib/locale |
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221 | export I18NPATH=${PWD}/localedata |
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222 | export GCONV_PATH=${PWD}/iconvdata |
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223 | export LOCALEDEF="${PWD}/locale/localedef-native |
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224 | --alias-file=../intl/locale.alias" |
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225 | cd ../glibc-&glibc-version;/localedata |
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226 | ${LOCALEDEF} -i locales/de_DE -f charmaps/ISO-8859-1 --prefix=${CLFS} de_DE |
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227 | ${LOCALEDEF} -i locales/de_DE@euro -f charmaps/ISO-8859-15 \ |
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228 | --prefix=${CLFS} de_DE@euro |
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229 | ${LOCALEDEF} -i locales/en_HK -f charmaps/ISO-8859-1 --prefix=${CLFS} en_HK |
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230 | ${LOCALEDEF} -i locales/en_PH -f charmaps/ISO-8859-1 --prefix=${CLFS} en_PH |
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231 | ${LOCALEDEF} -i locales/en_US -f charmaps/ISO-8859-1 --prefix=${CLFS} en_US |
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232 | ${LOCALEDEF} -i locales/es_MX -f charmaps/ISO-8859-1 --prefix=${CLFS} es_MX |
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233 | ${LOCALEDEF} -i locales/fa_IR -f charmaps/UTF-8 --prefix=${CLFS} fa_IR |
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234 | ${LOCALEDEF} -i locales/fr_FR -f charmaps/ISO-8859-1 --prefix=${CLFS} fr_FR |
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235 | ${LOCALEDEF} -i locales/fr_FR@euro -f charmaps/ISO-8859-15 \ |
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236 | --prefix=${CLFS} fr_FR@euro |
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237 | ${LOCALEDEF} -i locales/it_IT -f charmaps/ISO-8859-1 --prefix=${CLFS} it_IT |
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238 | ${LOCALEDEF} -i locales/ja_JP -f charmaps/EUC-JP --prefix=${CLFS} ja_JP |
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239 | unset I18NPATH GCONV_PATH LOCALEDEF</userinput></screen> |
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240 | |
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241 | <para>Some locales installed by the <command>make |
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242 | localedata/install-locales</command> command above are not properly |
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243 | supported by some applications that are in the CLFS and BLFS books. Because |
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244 | of the various problems that arise due to application programmers making |
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245 | assumptions that break in such locales, CLFS should not be used in locales |
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246 | that utilize multibyte character sets (including UTF-8) or right-to-left |
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247 | writing order. Numerous unofficial and unstable patches are required to |
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248 | fix these problems, and it has been decided by the CLFS developers not to |
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249 | support such complex locales at this time. This applies to the ja_JP and |
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250 | fa_IR locales as well—they have been installed only for GCC and |
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251 | Gettext tests to pass, and the <command>watch</command> program (part of |
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252 | the Procps package) does not work properly in them. Various attempts to |
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253 | circumvent these restrictions are documented in internationalization-related |
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254 | hints.</para> |
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255 | |
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256 | </sect2> |
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257 | |
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258 | <sect2 id="conf-glibc" role="configuration"> |
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259 | <title>Configuring Glibc</title> |
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260 | |
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261 | <indexterm zone="conf-glibc"> |
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262 | <primary sortas="e-/etc/nsswitch.conf">/etc/nsswitch.conf</primary> |
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263 | </indexterm> |
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264 | |
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265 | <indexterm zone="conf-glibc"> |
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266 | <primary sortas="e-/etc/localtime">/etc/localtime</primary> |
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267 | </indexterm> |
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268 | |
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269 | <para>The <filename>/etc/nsswitch.conf</filename> file needs to be created |
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270 | because, although Glibc provides defaults when this file is missing or |
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271 | corrupt, the Glibc defaults do not work well in a networked environment. |
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272 | The time zone also needs to be configured.</para> |
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273 | |
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274 | <para>Create a new file <filename>/etc/nsswitch.conf</filename> by running |
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275 | the following:</para> |
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276 | |
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277 | <screen><userinput>cat > ${CLFS}/etc/nsswitch.conf << "EOF" |
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278 | <literal># Begin /etc/nsswitch.conf |
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279 | |
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280 | passwd: files |
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281 | group: files |
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282 | shadow: files |
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283 | |
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284 | hosts: files dns |
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285 | networks: files |
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286 | |
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287 | protocols: files |
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288 | services: files |
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289 | ethers: files |
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290 | rpc: files |
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291 | |
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292 | # End /etc/nsswitch.conf</literal> |
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293 | EOF</userinput></screen> |
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294 | |
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295 | <para>To determine the local time zone, run the following script:</para> |
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296 | |
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297 | <screen role="nodump"><userinput>TZDIR="${CLFS}/usr/share/zoneinfo" ${CLFS}/usr/bin/tzselect</userinput></screen> |
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298 | |
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299 | <para>After answering a few questions about the location, the script will |
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300 | output the name of the time zone (e.g., <emphasis>EST5EDT</emphasis> or |
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301 | <emphasis>Canada/Eastern</emphasis>). Then create the |
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302 | <filename>/etc/localtime</filename> file by running:</para> |
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303 | |
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304 | <screen><userinput>cp -v --remove-destination ${CLFS}/usr/share/zoneinfo/<replaceable>[xxx]</replaceable> \ |
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305 | ${CLFS}/etc/localtime</userinput></screen> |
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306 | |
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307 | <para>Replace <replaceable>[xxx]</replaceable> with the name of the time zone |
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308 | that <command>tzselect</command> provided (e.g., Canada/Eastern).</para> |
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309 | |
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310 | <variablelist> |
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311 | <title>The meaning of the cp option:</title> |
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312 | |
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313 | <varlistentry> |
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314 | <term><parameter>--remove-destination</parameter></term> |
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315 | <listitem> |
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316 | <para>This is needed to force removal of the already existing symbolic |
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317 | link. The reason for copying the file instead of using a symlink is to |
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318 | cover the situation where <filename class="directory">/usr</filename> |
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319 | is on a separate partition. This could be important when booted into |
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320 | single user mode.</para> |
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321 | </listitem> |
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322 | </varlistentry> |
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323 | </variablelist> |
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324 | |
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325 | </sect2> |
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326 | |
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327 | <sect2 id="conf-ld" role="configuration"> |
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328 | <title>Configuring The Dynamic Loader</title> |
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329 | |
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330 | <indexterm zone="conf-ld"> |
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331 | <primary sortas="e-/etc/ld.so.conf">/etc/ld.so.conf</primary> |
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332 | </indexterm> |
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333 | |
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334 | <para>By default, the dynamic loader (<filename |
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335 | class="libraryfile">/lib/ld-linux.so.2</filename>) searches through |
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336 | <filename class="directory">/lib</filename> and <filename |
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337 | class="directory">/usr/lib</filename> for dynamic libraries that are |
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338 | needed by programs as they are run. However, if there are libraries in |
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339 | directories other than <filename class="directory">/lib</filename> and |
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340 | <filename class="directory">/usr/lib</filename>, these need to be |
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341 | added to the <filename>/etc/ld.so.conf</filename> file in order |
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342 | for the dynamic loader to find them. Two directories that are commonly |
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343 | known to contain additional libraries are <filename |
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344 | class="directory">/usr/local/lib</filename> and <filename |
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345 | class="directory">/opt/lib</filename>, so add those directories to the |
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346 | dynamic loader's search path.</para> |
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347 | |
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348 | <para>Create a new file <filename>/etc/ld.so.conf</filename> by running the |
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349 | following:</para> |
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350 | |
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351 | <screen><userinput>cat > ${CLFS}/etc/ld.so.conf << "EOF" |
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352 | <literal># Begin /etc/ld.so.conf |
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353 | |
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354 | /usr/local/lib |
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355 | /opt/lib |
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356 | |
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357 | # End /etc/ld.so.conf</literal> |
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358 | EOF</userinput></screen> |
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359 | |
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360 | </sect2> |
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361 | |
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362 | <sect2 id="contents-glibc" role="content"> |
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363 | <title>Contents of Glibc</title> |
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364 | |
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365 | <segmentedlist> |
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366 | <segtitle>Installed programs</segtitle> |
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367 | <segtitle>Installed libraries</segtitle> |
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368 | |
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369 | <seglistitem> |
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370 | <seg>catchsegv, gencat, getconf, getent, iconv, iconvconfig, ldconfig, |
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371 | ldd, lddlibc4, locale, localedef, mtrace, nscd, |
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372 | pcprofiledump, pt_chown, rpcgen, rpcinfo, sln, sprof, tzselect, xtrace, |
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373 | zdump, and zic</seg> |
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374 | <seg>ld.so, libBrokenLocale.[a,so], libSegFault.so, libanl.[a,so], |
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375 | libbsd-compat.a, libc.[a,so], libcrypt.[a,so], libdl.[a,so], libg.a, |
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376 | libieee.a, libm.[a,so], libmcheck.a, libmemusage.so, libnsl.a, |
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377 | libnss_compat.so, libnss_dns.so, libnss_files.so, libnss_hesiod.so, |
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378 | libnss_nis.so, libnss_nisplus.so, libpcprofile.so, libpthread.[a,so], |
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379 | libresolv.[a,so], librpcsvc.a, librt.[a,so], libthread_db.so, and |
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380 | libutil.[a,so]</seg> |
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381 | </seglistitem> |
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382 | </segmentedlist> |
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383 | |
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384 | <variablelist> |
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385 | <bridgehead renderas="sect3">Short Descriptions</bridgehead> |
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386 | <?dbfo list-presentation="list"?> |
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387 | <?dbhtml list-presentation="table"?> |
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388 | |
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389 | <varlistentry id="catchsegv"> |
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390 | <term><command>catchsegv</command></term> |
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391 | <listitem> |
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392 | <para>Can be used to create a stack trace when a program |
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393 | terminates with a segmentation fault</para> |
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394 | <indexterm zone="ch-cross-tools-glibc catchsegv"> |
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395 | <primary sortas="b-catchsegv">catchsegv</primary> |
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396 | </indexterm> |
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397 | </listitem> |
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398 | </varlistentry> |
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399 | |
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400 | <varlistentry id="gencat"> |
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401 | <term><command>gencat</command></term> |
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402 | <listitem> |
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403 | <para>Generates message catalogues</para> |
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404 | <indexterm zone="ch-cross-tools-glibc gencat"> |
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405 | <primary sortas="b-gencat">gencat</primary> |
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406 | </indexterm> |
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407 | </listitem> |
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408 | </varlistentry> |
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409 | |
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410 | <varlistentry id="getconf"> |
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411 | <term><command>getconf</command></term> |
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412 | <listitem> |
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413 | <para>Displays the system configuration values for file system specific |
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414 | variables</para> |
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415 | <indexterm zone="ch-cross-tools-glibc getconf"> |
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416 | <primary sortas="b-getconf">getconf</primary> |
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417 | </indexterm> |
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418 | </listitem> |
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419 | </varlistentry> |
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420 | |
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421 | <varlistentry id="getent"> |
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422 | <term><command>getent</command></term> |
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423 | <listitem> |
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424 | <para>Gets entries from an administrative database</para> |
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425 | <indexterm zone="ch-cross-tools-glibc getent"> |
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426 | <primary sortas="b-getent">getent</primary> |
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427 | </indexterm> |
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428 | </listitem> |
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429 | </varlistentry> |
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430 | |
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431 | <varlistentry id="iconv"> |
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432 | <term><command>iconv</command></term> |
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433 | <listitem> |
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434 | <para>Performs character set conversion</para> |
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435 | <indexterm zone="ch-cross-tools-glibc iconv"> |
---|
436 | <primary sortas="b-iconv">iconv</primary> |
---|
437 | </indexterm> |
---|
438 | </listitem> |
---|
439 | </varlistentry> |
---|
440 | |
---|
441 | <varlistentry id="iconvconfig"> |
---|
442 | <term><command>iconvconfig</command></term> |
---|
443 | <listitem> |
---|
444 | <para>Creates fastloading <command>iconv</command> module configuration |
---|
445 | files</para> |
---|
446 | <indexterm zone="ch-cross-tools-glibc iconvconfig"> |
---|
447 | <primary sortas="b-iconvconfig">iconvconfig</primary> |
---|
448 | </indexterm> |
---|
449 | </listitem> |
---|
450 | </varlistentry> |
---|
451 | |
---|
452 | <varlistentry id="ldconfig"> |
---|
453 | <term><command>ldconfig</command></term> |
---|
454 | <listitem> |
---|
455 | <para>Configures the dynamic linker runtime bindings</para> |
---|
456 | <indexterm zone="ch-cross-tools-glibc ldconfig"> |
---|
457 | <primary sortas="b-ldconfig">ldconfig</primary> |
---|
458 | </indexterm> |
---|
459 | </listitem> |
---|
460 | </varlistentry> |
---|
461 | |
---|
462 | <varlistentry id="ldd"> |
---|
463 | <term><command>ldd</command></term> |
---|
464 | <listitem> |
---|
465 | <para>Reports which shared libraries are required |
---|
466 | by each given program or shared library</para> |
---|
467 | <indexterm zone="ch-cross-tools-glibc ldd"> |
---|
468 | <primary sortas="b-ldd">ldd</primary> |
---|
469 | </indexterm> |
---|
470 | </listitem> |
---|
471 | </varlistentry> |
---|
472 | |
---|
473 | <varlistentry id="lddlibc4"> |
---|
474 | <term><command>lddlibc4</command></term> |
---|
475 | <listitem> |
---|
476 | <para>Assists <command>ldd</command> with object files</para> |
---|
477 | <indexterm zone="ch-cross-tools-glibc lddlibc4"> |
---|
478 | <primary sortas="b-lddlibc4">lddlibc4</primary> |
---|
479 | </indexterm> |
---|
480 | </listitem> |
---|
481 | </varlistentry> |
---|
482 | |
---|
483 | <varlistentry id="locale"> |
---|
484 | <term><command>locale</command></term> |
---|
485 | <listitem> |
---|
486 | <para>Tells the compiler to enable or disable the use of POSIX locales |
---|
487 | for built-in operations</para> |
---|
488 | <indexterm zone="ch-cross-tools-glibc locale"> |
---|
489 | <primary sortas="b-locale">locale</primary> |
---|
490 | </indexterm> |
---|
491 | </listitem> |
---|
492 | </varlistentry> |
---|
493 | |
---|
494 | <varlistentry id="localedef"> |
---|
495 | <term><command>localedef</command></term> |
---|
496 | <listitem> |
---|
497 | <para>Compiles locale specifications</para> |
---|
498 | <indexterm zone="ch-cross-tools-glibc localedef"> |
---|
499 | <primary sortas="b-localedef">localedef</primary> |
---|
500 | </indexterm> |
---|
501 | </listitem> |
---|
502 | </varlistentry> |
---|
503 | |
---|
504 | <varlistentry id="mtrace"> |
---|
505 | <term><command>mtrace</command></term> |
---|
506 | <listitem> |
---|
507 | <para>Reads and interprets a memory trace file and |
---|
508 | displays a summary in human-readable format</para> |
---|
509 | <indexterm zone="ch-cross-tools-glibc mtrace"> |
---|
510 | <primary sortas="b-mtrace">mtrace</primary> |
---|
511 | </indexterm> |
---|
512 | </listitem> |
---|
513 | </varlistentry> |
---|
514 | |
---|
515 | <varlistentry id="nscd"> |
---|
516 | <term><command>nscd</command></term> |
---|
517 | <listitem> |
---|
518 | <para>A daemon that provides a cache for the most common name |
---|
519 | service requests</para> |
---|
520 | <indexterm zone="ch-cross-tools-glibc nscd"> |
---|
521 | <primary sortas="b-nscd">nscd</primary> |
---|
522 | </indexterm> |
---|
523 | </listitem> |
---|
524 | </varlistentry> |
---|
525 | |
---|
526 | <varlistentry id="pcprofiledump"> |
---|
527 | <term><command>pcprofiledump</command></term> |
---|
528 | <listitem> |
---|
529 | <para>Dumps information generated by PC profiling</para> |
---|
530 | <indexterm zone="ch-cross-tools-glibc pcprofiledump"> |
---|
531 | <primary sortas="b-pcprofiledump">pcprofiledump</primary> |
---|
532 | </indexterm> |
---|
533 | </listitem> |
---|
534 | </varlistentry> |
---|
535 | |
---|
536 | <varlistentry id="pt_chown"> |
---|
537 | <term><command>pt_chown</command></term> |
---|
538 | <listitem> |
---|
539 | <para>A helper program for <command>grantpt</command> to set the owner, |
---|
540 | group and access permissions of a slave pseudo terminal</para> |
---|
541 | <indexterm zone="ch-cross-tools-glibc pt_chown"> |
---|
542 | <primary sortas="b-pt_chown">pt_chown</primary> |
---|
543 | </indexterm> |
---|
544 | </listitem> |
---|
545 | </varlistentry> |
---|
546 | |
---|
547 | <varlistentry id="rpcgen"> |
---|
548 | <term><command>rpcgen</command></term> |
---|
549 | <listitem> |
---|
550 | <para>Generates C code to implement the Remote Procecure Call (RPC) |
---|
551 | protocol</para> |
---|
552 | <indexterm zone="ch-cross-tools-glibc rpcgen"> |
---|
553 | <primary sortas="b-rpcgen">rpcgen</primary> |
---|
554 | </indexterm> |
---|
555 | </listitem> |
---|
556 | </varlistentry> |
---|
557 | |
---|
558 | <varlistentry id="rpcinfo"> |
---|
559 | <term><command>rpcinfo</command></term> |
---|
560 | <listitem> |
---|
561 | <para>Makes an RPC call to an RPC server</para> |
---|
562 | <indexterm zone="ch-cross-tools-glibc rpcinfo"> |
---|
563 | <primary sortas="b-rpcinfo">rpcinfo</primary> |
---|
564 | </indexterm> |
---|
565 | </listitem> |
---|
566 | </varlistentry> |
---|
567 | |
---|
568 | <varlistentry id="sln"> |
---|
569 | <term><command>sln</command></term> |
---|
570 | <listitem> |
---|
571 | <para>A statically linked program that creates symbolic links</para> |
---|
572 | <indexterm zone="ch-cross-tools-glibc sln"> |
---|
573 | <primary sortas="b-sln">sln</primary> |
---|
574 | </indexterm> |
---|
575 | </listitem> |
---|
576 | </varlistentry> |
---|
577 | |
---|
578 | <varlistentry id="sprof"> |
---|
579 | <term><command>sprof</command></term> |
---|
580 | <listitem> |
---|
581 | <para>Reads and displays shared object profiling data</para> |
---|
582 | <indexterm zone="ch-cross-tools-glibc sprof"> |
---|
583 | <primary sortas="b-sprof">sprof</primary> |
---|
584 | </indexterm> |
---|
585 | </listitem> |
---|
586 | </varlistentry> |
---|
587 | |
---|
588 | <varlistentry id="tzselect"> |
---|
589 | <term><command>tzselect</command></term> |
---|
590 | <listitem> |
---|
591 | <para>Asks the user about the location of the |
---|
592 | system and reports the corresponding time zone description</para> |
---|
593 | <indexterm zone="ch-cross-tools-glibc tzselect"> |
---|
594 | <primary sortas="b-tzselect">tzselect</primary> |
---|
595 | </indexterm> |
---|
596 | </listitem> |
---|
597 | </varlistentry> |
---|
598 | |
---|
599 | <varlistentry id="xtrace"> |
---|
600 | <term><command>xtrace</command></term> |
---|
601 | <listitem> |
---|
602 | <para>Traces the execution of a program by |
---|
603 | printing the currently executed function</para> |
---|
604 | <indexterm zone="ch-cross-tools-glibc xtrace"> |
---|
605 | <primary sortas="b-xtrace">xtrace</primary> |
---|
606 | </indexterm> |
---|
607 | </listitem> |
---|
608 | </varlistentry> |
---|
609 | |
---|
610 | <varlistentry id="zdump"> |
---|
611 | <term><command>zdump</command></term> |
---|
612 | <listitem> |
---|
613 | <para>The time zone dumper</para> |
---|
614 | <indexterm zone="ch-cross-tools-glibc zdump"> |
---|
615 | <primary sortas="b-zdump">zdump</primary> |
---|
616 | </indexterm> |
---|
617 | </listitem> |
---|
618 | </varlistentry> |
---|
619 | |
---|
620 | <varlistentry id="zic"> |
---|
621 | <term><command>zic</command></term> |
---|
622 | <listitem> |
---|
623 | <para>The time zone compiler</para> |
---|
624 | <indexterm zone="ch-cross-tools-glibc zic"> |
---|
625 | <primary sortas="b-zic">zic</primary> |
---|
626 | </indexterm> |
---|
627 | </listitem> |
---|
628 | </varlistentry> |
---|
629 | |
---|
630 | <varlistentry id="ld.so"> |
---|
631 | <term><filename class="libraryfile">ld.so</filename></term> |
---|
632 | <listitem> |
---|
633 | <para>The helper program for shared library executables</para> |
---|
634 | <indexterm zone="ch-cross-tools-glibc ld.so"> |
---|
635 | <primary sortas="c-ld.so">ld.so</primary> |
---|
636 | </indexterm> |
---|
637 | </listitem> |
---|
638 | </varlistentry> |
---|
639 | |
---|
640 | <varlistentry id="libBrokenLocale"> |
---|
641 | <term><filename class="libraryfile">libBrokenLocale</filename></term> |
---|
642 | <listitem> |
---|
643 | <para>Used by programs, such as Mozilla, to solve broken locales</para> |
---|
644 | <indexterm zone="ch-cross-tools-glibc libBrokenLocale"> |
---|
645 | <primary sortas="c-libBrokenLocale">libBrokenLocale</primary> |
---|
646 | </indexterm> |
---|
647 | </listitem> |
---|
648 | </varlistentry> |
---|
649 | |
---|
650 | <varlistentry id="libSegFault"> |
---|
651 | <term><filename class="libraryfile">libSegFault</filename></term> |
---|
652 | <listitem> |
---|
653 | <para>The segmentation fault signal handler</para> |
---|
654 | <indexterm zone="ch-cross-tools-glibc libSegFault"> |
---|
655 | <primary sortas="c-libSegFault">libSegFault</primary> |
---|
656 | </indexterm> |
---|
657 | </listitem> |
---|
658 | </varlistentry> |
---|
659 | |
---|
660 | <varlistentry id="libanl"> |
---|
661 | <term><filename class="libraryfile">libanl</filename></term> |
---|
662 | <listitem> |
---|
663 | <para>An asynchronous name lookup library</para> |
---|
664 | <indexterm zone="ch-cross-tools-glibc libanl"> |
---|
665 | <primary sortas="c-libanl">libanl</primary> |
---|
666 | </indexterm> |
---|
667 | </listitem> |
---|
668 | </varlistentry> |
---|
669 | |
---|
670 | <varlistentry id="libbsd-compat"> |
---|
671 | <term><filename class="libraryfile">libbsd-compat</filename></term> |
---|
672 | <listitem> |
---|
673 | <para>Provides the portability needed |
---|
674 | in order to run certain Berkey Software Distribution (BSD) programs |
---|
675 | under Linux</para> |
---|
676 | <indexterm zone="ch-cross-tools-glibc libbsd-compat"> |
---|
677 | <primary sortas="c-libbsd-compat">libbsd-compat</primary> |
---|
678 | </indexterm> |
---|
679 | </listitem> |
---|
680 | </varlistentry> |
---|
681 | |
---|
682 | <varlistentry id="libc"> |
---|
683 | <term><filename class="libraryfile">libc</filename></term> |
---|
684 | <listitem> |
---|
685 | <para>The main C library</para> |
---|
686 | <indexterm zone="ch-cross-tools-glibc libc"> |
---|
687 | <primary sortas="c-libc">libc</primary> |
---|
688 | </indexterm> |
---|
689 | </listitem> |
---|
690 | </varlistentry> |
---|
691 | |
---|
692 | <varlistentry id="libcrypt"> |
---|
693 | <term><filename class="libraryfile">libcrypt</filename></term> |
---|
694 | <listitem> |
---|
695 | <para>The cryptography library</para> |
---|
696 | <indexterm zone="ch-cross-tools-glibc libcrypt"> |
---|
697 | <primary sortas="c-libcrypt">libcrypt</primary> |
---|
698 | </indexterm> |
---|
699 | </listitem> |
---|
700 | </varlistentry> |
---|
701 | |
---|
702 | <varlistentry id="libdl"> |
---|
703 | <term><filename class="libraryfile">libdl</filename></term> |
---|
704 | <listitem> |
---|
705 | <para>The dynamic linking interface library</para> |
---|
706 | <indexterm zone="ch-cross-tools-glibc libdl"> |
---|
707 | <primary sortas="c-libdl">libdl</primary> |
---|
708 | </indexterm> |
---|
709 | </listitem> |
---|
710 | </varlistentry> |
---|
711 | |
---|
712 | <varlistentry id="libg"> |
---|
713 | <term><filename class="libraryfile">libg</filename></term> |
---|
714 | <listitem> |
---|
715 | <para>A runtime library for <command>g++</command></para> |
---|
716 | <indexterm zone="ch-cross-tools-glibc libg"> |
---|
717 | <primary sortas="c-libg">libg</primary> |
---|
718 | </indexterm> |
---|
719 | </listitem> |
---|
720 | </varlistentry> |
---|
721 | |
---|
722 | <varlistentry id="libieee"> |
---|
723 | <term><filename class="libraryfile">libieee</filename></term> |
---|
724 | <listitem> |
---|
725 | <para>The Institute of Electrical and Electronic Engineers (IEEE) |
---|
726 | floating point library</para> |
---|
727 | <indexterm zone="ch-cross-tools-glibc libieee"> |
---|
728 | <primary sortas="c-libieee">libieee</primary> |
---|
729 | </indexterm> |
---|
730 | </listitem> |
---|
731 | </varlistentry> |
---|
732 | |
---|
733 | <varlistentry id="libm"> |
---|
734 | <term><filename class="libraryfile">libm</filename></term> |
---|
735 | <listitem> |
---|
736 | <para>The mathematical library</para> |
---|
737 | <indexterm zone="ch-cross-tools-glibc libm"> |
---|
738 | <primary sortas="c-libm">libm</primary> |
---|
739 | </indexterm> |
---|
740 | </listitem> |
---|
741 | </varlistentry> |
---|
742 | |
---|
743 | <varlistentry id="libmcheck"> |
---|
744 | <term><filename class="libraryfile">libmcheck</filename></term> |
---|
745 | <listitem> |
---|
746 | <para>Contains code run at boot</para> |
---|
747 | <indexterm zone="ch-cross-tools-glibc libmcheck"> |
---|
748 | <primary sortas="c-libmcheck">libmcheck</primary> |
---|
749 | </indexterm> |
---|
750 | </listitem> |
---|
751 | </varlistentry> |
---|
752 | |
---|
753 | <varlistentry id="libmemusage"> |
---|
754 | <term><filename class="libraryfile">libmemusage</filename></term> |
---|
755 | <listitem> |
---|
756 | <para>Used by <command>memusage</command> (included in Glibc, but |
---|
757 | not built in a base CLFS system as it has additional dependencies) |
---|
758 | to help collect information about the memory usage of a program</para> |
---|
759 | <indexterm zone="ch-cross-tools-glibc libmemusage"> |
---|
760 | <primary sortas="c-libmemusage">libmemusage</primary> |
---|
761 | </indexterm> |
---|
762 | </listitem> |
---|
763 | </varlistentry> |
---|
764 | |
---|
765 | <varlistentry id="libnsl"> |
---|
766 | <term><filename class="libraryfile">libnsl</filename></term> |
---|
767 | <listitem> |
---|
768 | <para>The network services library</para> |
---|
769 | <indexterm zone="ch-cross-tools-glibc libnsl"> |
---|
770 | <primary sortas="c-libnsl">libnsl</primary> |
---|
771 | </indexterm> |
---|
772 | </listitem> |
---|
773 | </varlistentry> |
---|
774 | |
---|
775 | <varlistentry id="libnss"> |
---|
776 | <term><filename class="libraryfile">libnss</filename></term> |
---|
777 | <listitem> |
---|
778 | <para>The Name Service Switch libraries, containing functions for |
---|
779 | resolving host names, user names, group names, aliases, services, |
---|
780 | protocols, etc.</para> |
---|
781 | <indexterm zone="ch-cross-tools-glibc libnss"> |
---|
782 | <primary sortas="c-libnss">libnss</primary> |
---|
783 | </indexterm> |
---|
784 | </listitem> |
---|
785 | </varlistentry> |
---|
786 | |
---|
787 | <varlistentry id="libpcprofile"> |
---|
788 | <term><filename class="libraryfile">libpcprofile</filename></term> |
---|
789 | <listitem> |
---|
790 | <para>Contains profiling functions used to track the amount of CPU |
---|
791 | time spent in specific source code lines</para> |
---|
792 | <indexterm zone="ch-cross-tools-glibc libpcprofile"> |
---|
793 | <primary sortas="c-libpcprofile">libpcprofile</primary> |
---|
794 | </indexterm> |
---|
795 | </listitem> |
---|
796 | </varlistentry> |
---|
797 | |
---|
798 | <varlistentry id="libpthread"> |
---|
799 | <term><filename class="libraryfile">libpthread</filename></term> |
---|
800 | <listitem> |
---|
801 | <para>The POSIX threads library</para> |
---|
802 | <indexterm zone="ch-cross-tools-glibc libpthread"> |
---|
803 | <primary sortas="c-libpthread">libpthread</primary> |
---|
804 | </indexterm> |
---|
805 | </listitem> |
---|
806 | </varlistentry> |
---|
807 | |
---|
808 | <varlistentry id="libresolv"> |
---|
809 | <term><filename class="libraryfile">libresolv</filename></term> |
---|
810 | <listitem> |
---|
811 | <para>Contains functions for creating, sending, and interpreting |
---|
812 | packets to the Internet domain name servers</para> |
---|
813 | <indexterm zone="ch-cross-tools-glibc libresolv"> |
---|
814 | <primary sortas="c-libresolv">libresolv</primary> |
---|
815 | </indexterm> |
---|
816 | </listitem> |
---|
817 | </varlistentry> |
---|
818 | |
---|
819 | <varlistentry id="librpcsvc"> |
---|
820 | <term><filename class="libraryfile">librpcsvc</filename></term> |
---|
821 | <listitem> |
---|
822 | <para>Contains functions providing miscellaneous RPC services</para> |
---|
823 | <indexterm zone="ch-cross-tools-glibc librpcsvc"> |
---|
824 | <primary sortas="c-librpcsvc">librpcsvc</primary> |
---|
825 | </indexterm> |
---|
826 | </listitem> |
---|
827 | </varlistentry> |
---|
828 | |
---|
829 | <varlistentry id="librt"> |
---|
830 | <term><filename class="libraryfile">librt</filename></term> |
---|
831 | <listitem> |
---|
832 | <para>Contains functions providing most of the interfaces specified by |
---|
833 | the POSIX.1b Realtime Extension</para> |
---|
834 | <indexterm zone="ch-cross-tools-glibc librt"> |
---|
835 | <primary sortas="c-librt">librt</primary> |
---|
836 | </indexterm> |
---|
837 | </listitem> |
---|
838 | </varlistentry> |
---|
839 | |
---|
840 | <varlistentry id="libthread_db"> |
---|
841 | <term><filename class="libraryfile">libthread_db</filename></term> |
---|
842 | <listitem> |
---|
843 | <para>Contains functions useful for |
---|
844 | building debuggers for multi-threaded programs</para> |
---|
845 | <indexterm zone="ch-cross-tools-glibc libthread_db"> |
---|
846 | <primary sortas="c-libthread_db">libthread_db</primary> |
---|
847 | </indexterm> |
---|
848 | </listitem> |
---|
849 | </varlistentry> |
---|
850 | |
---|
851 | <varlistentry id="libutil"> |
---|
852 | <term><filename class="libraryfile">libutil</filename></term> |
---|
853 | <listitem> |
---|
854 | <para>Contains code for <quote>standard</quote> functions used in |
---|
855 | many different Unix utilities</para> |
---|
856 | <indexterm zone="ch-cross-tools-glibc libutil"> |
---|
857 | <primary sortas="c-libutil">libutil</primary> |
---|
858 | </indexterm> |
---|
859 | </listitem> |
---|
860 | </varlistentry> |
---|
861 | |
---|
862 | </variablelist> |
---|
863 | |
---|
864 | </sect2> |
---|
865 | |
---|
866 | </sect1> |
---|