| 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
|
|---|
| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
|
|---|
| 3 | "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
|
|---|
| 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
|
|---|
| 5 | %general-entities;
|
|---|
| 6 | ]>
|
|---|
| 7 |
|
|---|
| 8 | <sect1 id="ch-system-glibc" role="wrap">
|
|---|
| 9 | <?dbhtml filename="glibc.html"?>
|
|---|
| 10 |
|
|---|
| 11 | <title>Glibc-&glibc-version;</title>
|
|---|
| 12 |
|
|---|
| 13 | <indexterm zone="ch-system-glibc">
|
|---|
| 14 | <primary sortas="a-Glibc">Glibc</primary>
|
|---|
| 15 | </indexterm>
|
|---|
| 16 |
|
|---|
| 17 | <sect2 role="package">
|
|---|
| 18 | <title/>
|
|---|
| 19 |
|
|---|
| 20 | <para>The Glibc package contains the main C library. This library provides
|
|---|
| 21 | the basic routines for allocating memory, searching directories, opening and
|
|---|
| 22 | closing files, reading and writing files, string handling, pattern matching,
|
|---|
| 23 | arithmetic, and so on.</para>
|
|---|
| 24 |
|
|---|
| 25 | </sect2>
|
|---|
| 26 |
|
|---|
| 27 | <sect2 role="installation">
|
|---|
| 28 | <title>Installation of Glibc</title>
|
|---|
| 29 |
|
|---|
| 30 | <note os="z">
|
|---|
| 31 | <para>Some packages outside of CLFS suggest installing GNU libiconv in
|
|---|
| 32 | order to translate data from one encoding to another. The project's
|
|---|
| 33 | home page (<ulink url="http://www.gnu.org/software/libiconv/"/>) says
|
|---|
| 34 | <quote>This library provides an <function>iconv()</function>
|
|---|
| 35 | implementation, for use on systems which don't have one, or whose
|
|---|
| 36 | implementation cannot convert from/to Unicode.</quote> Glibc provides
|
|---|
| 37 | an <function>iconv()</function> implementation and can convert from/to
|
|---|
| 38 | Unicode, therefore libiconv is not required on a CLFS system.</para>
|
|---|
| 39 | </note>
|
|---|
| 40 |
|
|---|
| 41 | <para os="b">The Glibc build system is self-contained and will install
|
|---|
| 42 | perfectly, even though the compiler specs file and linker are still
|
|---|
| 43 | pointing at <filename class="directory">/tools</filename>. The specs
|
|---|
| 44 | and linker cannot be adjusted before the Glibc install because the
|
|---|
| 45 | Glibc autoconf tests would give false results and defeat the goal
|
|---|
| 46 | of achieving a clean build.</para>
|
|---|
| 47 |
|
|---|
| 48 | <para os="c">The following patch fixes an issue that can
|
|---|
| 49 | cause <command>localdef</command> to segfault:</para>
|
|---|
| 50 |
|
|---|
| 51 | <screen os="d"><userinput>patch -Np1 -i ../&glibc-localedef_segfault-patch;</userinput></screen>
|
|---|
| 52 |
|
|---|
| 53 | <para os="p1">The following patch fixes an issue with iconv:</para>
|
|---|
| 54 |
|
|---|
| 55 | <screen os="p2"><userinput>patch -Np1 -i ../&glibc-iconv_fix-patch;</userinput></screen>
|
|---|
| 56 |
|
|---|
| 57 | <para os="s1">The following sed fixes a build issue with Glibc. This
|
|---|
| 58 | will prevent nscd from trying to link to libraries that don't exist:</para>
|
|---|
| 59 |
|
|---|
| 60 | <screen os="s2"><userinput>cp -v nscd/Makefile{,.orig}
|
|---|
| 61 | sed -e "/nscd_stat.o: sysincludes = # nothing/d" nscd/Makefile.orig > \
|
|---|
| 62 | nscd/Makefile</userinput></screen>
|
|---|
| 63 |
|
|---|
| 64 | <para os="e">The Glibc documentation recommends building Glibc outside of the
|
|---|
| 65 | source directory in a dedicated build directory:</para>
|
|---|
| 66 |
|
|---|
| 67 | <screen os="f"><userinput>mkdir -v ../glibc-build
|
|---|
| 68 | cd ../glibc-build</userinput></screen>
|
|---|
| 69 |
|
|---|
| 70 | <para os="g">Prepare Glibc for compilation:</para>
|
|---|
| 71 |
|
|---|
| 72 | <screen os="h"><userinput>../glibc-&glibc-version;/configure --prefix=/usr \
|
|---|
| 73 | --disable-profile --enable-add-ons --enable-kernel=2.6.0 \
|
|---|
| 74 | --libexecdir=/usr/lib/glibc</userinput></screen>
|
|---|
| 75 |
|
|---|
| 76 | <variablelist os="i">
|
|---|
| 77 | <title>The meaning of the new configure option:</title>
|
|---|
| 78 |
|
|---|
| 79 | <varlistentry>
|
|---|
| 80 | <term><parameter>--libexecdir=/usr/lib/glibc</parameter></term>
|
|---|
| 81 | <listitem>
|
|---|
| 82 | <para>This changes the location of the <command>pt_chown</command>
|
|---|
| 83 | program from its default of <filename
|
|---|
| 84 | class="directory">/usr/libexec</filename> to <filename
|
|---|
| 85 | class="directory">/usr/lib/glibc</filename>.</para>
|
|---|
| 86 | </listitem>
|
|---|
| 87 | </varlistentry>
|
|---|
| 88 | </variablelist>
|
|---|
| 89 |
|
|---|
| 90 | <para os="j">Compile the package:</para>
|
|---|
| 91 |
|
|---|
| 92 | <screen os="k"><userinput>make</userinput></screen>
|
|---|
| 93 |
|
|---|
| 94 | <important os="l">
|
|---|
| 95 | <para>The test suite for Glibc is considered critical.
|
|---|
| 96 | Do not skip it under any circumstance.</para>
|
|---|
| 97 | </important>
|
|---|
| 98 |
|
|---|
| 99 | <para os="m">Test the results:</para>
|
|---|
| 100 |
|
|---|
| 101 | <!-- items n,o,p no longer the master, use x86_64 which has no failures -->
|
|---|
| 102 |
|
|---|
| 103 | <screen os="n"><userinput>make -k check >glibc-check-log 2>&1 ; grep Error glibc-check-log</userinput></screen>
|
|---|
| 104 |
|
|---|
| 105 | <para os="o">The Glibc test suite is highly dependent on certain functions of
|
|---|
| 106 | the host system, in particular the kernel. In general, the Glibc test
|
|---|
| 107 | suite is always expected to pass. However, in certain circumstances,
|
|---|
| 108 | some failures are unavoidable. This is a list of the most common
|
|---|
| 109 | issues:</para>
|
|---|
| 110 |
|
|---|
| 111 | <itemizedlist os="p">
|
|---|
| 112 | <listitem>
|
|---|
| 113 | <para>The <emphasis>math</emphasis> tests, at least on i686, fail in
|
|---|
| 114 | the <emphasis>test-double</emphasis> and <emphasis>test-idouble</emphasis>
|
|---|
| 115 | tests with gcc-&gcc-version;, the <command>grep</command> command will
|
|---|
| 116 | also report an expected (ignored) failure in <emphasis>posix/annexc
|
|---|
| 117 | </emphasis>. These two failures in the math tests appear to be harmless.
|
|---|
| 118 | The math tests may also fail on systems where the CPU is not a relatively
|
|---|
| 119 | new genuine Intel or authentic AMD. Certain optimization settings are
|
|---|
| 120 | also known to be a factor here.</para>
|
|---|
| 121 | </listitem>
|
|---|
| 122 | <listitem>
|
|---|
| 123 | <para>The <emphasis>gettext</emphasis> test sometimes fails due to
|
|---|
| 124 | host system issues. The exact reasons are not yet clear.</para>
|
|---|
| 125 | </listitem>
|
|---|
| 126 | <listitem>
|
|---|
| 127 | <para>If you have mounted the LFS partition with the
|
|---|
| 128 | <parameter>noatime</parameter> option, the <emphasis>atime</emphasis> test
|
|---|
| 129 | will fail. As mentioned in <xref linkend="ch-partitioning-mounting"/>,
|
|---|
| 130 | do not use the <parameter>noatime</parameter> option while building
|
|---|
| 131 | LFS.</para>
|
|---|
| 132 | </listitem>
|
|---|
| 133 | <listitem>
|
|---|
| 134 | <para>When running on older and slower hardware, some tests
|
|---|
| 135 | can fail because of test timeouts being exceeded.</para>
|
|---|
| 136 | </listitem>
|
|---|
| 137 | </itemizedlist>
|
|---|
| 138 |
|
|---|
| 139 | <para os="q">Though it is a harmless message, the install stage of Glibc will
|
|---|
| 140 | complain about the absence of <filename>/etc/ld.so.conf</filename>.
|
|---|
| 141 | Prevent this warning with:</para>
|
|---|
| 142 |
|
|---|
| 143 | <screen os="r"><userinput>touch /etc/ld.so.conf</userinput></screen>
|
|---|
| 144 |
|
|---|
| 145 | <para os="s">Install the package:</para>
|
|---|
| 146 |
|
|---|
| 147 | <screen os="t"><userinput>make install</userinput></screen>
|
|---|
| 148 |
|
|---|
| 149 | </sect2>
|
|---|
| 150 |
|
|---|
| 151 | <sect2 id="i18n-glibc" role="configuration">
|
|---|
| 152 | <title>Internationalization</title>
|
|---|
| 153 |
|
|---|
| 154 | <para>The locales that can make the system respond in a different
|
|---|
| 155 | language were not installed by the above command. Install them
|
|---|
| 156 | with:</para>
|
|---|
| 157 |
|
|---|
| 158 | <screen><userinput>make localedata/install-locales</userinput></screen>
|
|---|
| 159 |
|
|---|
| 160 | <para>To save time, an alternative to running the previous command (which
|
|---|
| 161 | generates and installs every locale listed in the
|
|---|
| 162 | glibc-&glibc-version;/localedata/SUPPORTED file) is to install only
|
|---|
| 163 | those locales that are wanted and needed. This can be achieved by using
|
|---|
| 164 | the <command>localedef</command> command. Information on this command is
|
|---|
| 165 | located in the <filename>INSTALL</filename> file in the Glibc source.
|
|---|
| 166 | However, there are a number of locales that are essential in order for the
|
|---|
| 167 | tests of future packages to pass, in particular, the
|
|---|
| 168 | <emphasis>libstdc++</emphasis> tests from GCC. The following instructions,
|
|---|
| 169 | instead of the <parameter>install-locales</parameter> target used above,
|
|---|
| 170 | will install the minimum set of locales necessary for the tests to run
|
|---|
| 171 | successfully:</para>
|
|---|
| 172 |
|
|---|
| 173 | <screen role="nodump"><userinput>mkdir -pv /usr/lib/locale
|
|---|
| 174 | localedef -i de_DE -f ISO-8859-1 de_DE
|
|---|
| 175 | localedef -i de_DE@euro -f ISO-8859-15 de_DE@euro
|
|---|
| 176 | localedef -i en_HK -f ISO-8859-1 en_HK
|
|---|
| 177 | localedef -i en_PH -f ISO-8859-1 en_PH
|
|---|
| 178 | localedef -i en_US -f ISO-8859-1 en_US
|
|---|
| 179 | localedef -i es_MX -f ISO-8859-1 es_MX
|
|---|
| 180 | localedef -i fa_IR -f UTF-8 fa_IR
|
|---|
| 181 | localedef -i fr_FR -f ISO-8859-1 fr_FR
|
|---|
| 182 | localedef -i fr_FR@euro -f ISO-8859-15 fr_FR@euro
|
|---|
| 183 | localedef -i it_IT -f ISO-8859-1 it_IT
|
|---|
| 184 | localedef -i ja_JP -f EUC-JP ja_JP</userinput></screen>
|
|---|
| 185 |
|
|---|
| 186 | <para>Some locales installed by the <command>make
|
|---|
| 187 | localedata/install-locales</command> command above are not properly
|
|---|
| 188 | supported by some applications that are in the LFS and BLFS books. Because
|
|---|
| 189 | of the various problems that arise due to application programmers making
|
|---|
| 190 | assumptions that break in such locales, LFS should not be used in locales
|
|---|
| 191 | that utilize multibyte character sets (including UTF-8) or right-to-left
|
|---|
| 192 | writing order. Numerous unofficial and unstable patches are required to
|
|---|
| 193 | fix these problems, and it has been decided by the LFS developers not to
|
|---|
| 194 | support such complex locales at this time. This applies to the ja_JP and
|
|---|
| 195 | fa_IR locales as well—they have been installed only for GCC and
|
|---|
| 196 | Gettext tests to pass, and the <command>watch</command> program (part of
|
|---|
| 197 | the Procps package) does not work properly in them. Various attempts to
|
|---|
| 198 | circumvent these restrictions are documented in internationalization-related
|
|---|
| 199 | hints.</para>
|
|---|
| 200 |
|
|---|
| 201 | </sect2>
|
|---|
| 202 |
|
|---|
| 203 | <sect2 id="conf-glibc" role="configuration">
|
|---|
| 204 | <title>Configuring Glibc</title>
|
|---|
| 205 |
|
|---|
| 206 | <indexterm zone="conf-glibc">
|
|---|
| 207 | <primary sortas="e-/etc/nsswitch.conf">/etc/nsswitch.conf</primary>
|
|---|
| 208 | </indexterm>
|
|---|
| 209 |
|
|---|
| 210 | <indexterm zone="conf-glibc">
|
|---|
| 211 | <primary sortas="e-/etc/localtime">/etc/localtime</primary>
|
|---|
| 212 | </indexterm>
|
|---|
| 213 |
|
|---|
| 214 | <para>The <filename>/etc/nsswitch.conf</filename> file needs to be created
|
|---|
| 215 | because, although Glibc provides defaults when this file is missing or
|
|---|
| 216 | corrupt, the Glibc defaults do not work well in a networked environment.
|
|---|
| 217 | The time zone also needs to be configured.</para>
|
|---|
| 218 |
|
|---|
| 219 | <para>Create a new file <filename>/etc/nsswitch.conf</filename> by running
|
|---|
| 220 | the following:</para>
|
|---|
| 221 |
|
|---|
| 222 | <screen><userinput>cat > /etc/nsswitch.conf << "EOF"
|
|---|
| 223 | <literal># Begin /etc/nsswitch.conf
|
|---|
| 224 |
|
|---|
| 225 | passwd: files
|
|---|
| 226 | group: files
|
|---|
| 227 | shadow: files
|
|---|
| 228 |
|
|---|
| 229 | hosts: files dns
|
|---|
| 230 | networks: files
|
|---|
| 231 |
|
|---|
| 232 | protocols: files
|
|---|
| 233 | services: files
|
|---|
| 234 | ethers: files
|
|---|
| 235 | rpc: files
|
|---|
| 236 |
|
|---|
| 237 | # End /etc/nsswitch.conf</literal>
|
|---|
| 238 | EOF</userinput></screen>
|
|---|
| 239 |
|
|---|
| 240 | <para>To determine the local time zone, run the following script:</para>
|
|---|
| 241 |
|
|---|
| 242 | <screen role="nodump"><userinput>tzselect</userinput></screen>
|
|---|
| 243 |
|
|---|
| 244 | <para>After answering a few questions about the location, the script will
|
|---|
| 245 | output the name of the time zone (e.g., <emphasis>EST5EDT</emphasis> or
|
|---|
| 246 | <emphasis>Canada/Eastern</emphasis>). Then create the
|
|---|
| 247 | <filename>/etc/localtime</filename> file by running:</para>
|
|---|
| 248 |
|
|---|
| 249 | <screen><userinput>cp -v --remove-destination /usr/share/zoneinfo/<replaceable>[xxx]</replaceable> \
|
|---|
| 250 | /etc/localtime</userinput></screen>
|
|---|
| 251 |
|
|---|
| 252 | <para>Replace <replaceable>[xxx]</replaceable> with the name of the time zone
|
|---|
| 253 | that <command>tzselect</command> provided (e.g., Canada/Eastern).</para>
|
|---|
| 254 |
|
|---|
| 255 | <variablelist>
|
|---|
| 256 | <title>The meaning of the cp option:</title>
|
|---|
| 257 |
|
|---|
| 258 | <varlistentry>
|
|---|
| 259 | <term><parameter>--remove-destination</parameter></term>
|
|---|
| 260 | <listitem>
|
|---|
| 261 | <para>This is needed to force removal of the already existing symbolic
|
|---|
| 262 | link. The reason for copying the file instead of using a symlink is to
|
|---|
| 263 | cover the situation where <filename class="directory">/usr</filename>
|
|---|
| 264 | is on a separate partition. This could be important when booted into
|
|---|
| 265 | single user mode.</para>
|
|---|
| 266 | </listitem>
|
|---|
| 267 | </varlistentry>
|
|---|
| 268 | </variablelist>
|
|---|
| 269 |
|
|---|
| 270 | </sect2>
|
|---|
| 271 |
|
|---|
| 272 | <sect2 id="conf-ld" role="configuration">
|
|---|
| 273 | <title>Configuring The Dynamic Loader</title>
|
|---|
| 274 |
|
|---|
| 275 | <indexterm zone="conf-ld">
|
|---|
| 276 | <primary sortas="e-/etc/ld.so.conf">/etc/ld.so.conf</primary>
|
|---|
| 277 | </indexterm>
|
|---|
| 278 |
|
|---|
| 279 | <para>By default, the dynamic loader (<filename
|
|---|
| 280 | class="libraryfile">/lib/ld-linux.so.2</filename>) searches through
|
|---|
| 281 | <filename class="directory">/lib</filename> and <filename
|
|---|
| 282 | class="directory">/usr/lib</filename> for dynamic libraries that are
|
|---|
| 283 | needed by programs as they are run. However, if there are libraries in
|
|---|
| 284 | directories other than <filename class="directory">/lib</filename> and
|
|---|
| 285 | <filename class="directory">/usr/lib</filename>, these need to be
|
|---|
| 286 | added to the <filename>/etc/ld.so.conf</filename> file in order
|
|---|
| 287 | for the dynamic loader to find them. Two directories that are commonly
|
|---|
| 288 | known to contain additional libraries are <filename
|
|---|
| 289 | class="directory">/usr/local/lib</filename> and <filename
|
|---|
| 290 | class="directory">/opt/lib</filename>, so add those directories to the
|
|---|
| 291 | dynamic loader's search path.</para>
|
|---|
| 292 |
|
|---|
| 293 | <para>Create a new file <filename>/etc/ld.so.conf</filename> by running the
|
|---|
| 294 | following:</para>
|
|---|
| 295 |
|
|---|
| 296 | <screen><userinput>cat > /etc/ld.so.conf << "EOF"
|
|---|
| 297 | <literal># Begin /etc/ld.so.conf
|
|---|
| 298 |
|
|---|
| 299 | /usr/local/lib
|
|---|
| 300 | /opt/lib
|
|---|
| 301 |
|
|---|
| 302 | # End /etc/ld.so.conf</literal>
|
|---|
| 303 | EOF</userinput></screen>
|
|---|
| 304 |
|
|---|
| 305 | </sect2>
|
|---|
| 306 |
|
|---|
| 307 | <sect2 id="contents-glibc" role="content">
|
|---|
| 308 | <title>Contents of Glibc</title>
|
|---|
| 309 |
|
|---|
| 310 | <segmentedlist>
|
|---|
| 311 | <segtitle>Installed programs</segtitle>
|
|---|
| 312 | <segtitle>Installed libraries</segtitle>
|
|---|
| 313 |
|
|---|
| 314 | <seglistitem>
|
|---|
| 315 | <seg>catchsegv, gencat, getconf, getent, iconv, iconvconfig, ldconfig,
|
|---|
| 316 | ldd, lddlibc4, locale, localedef, mtrace, nscd,
|
|---|
| 317 | pcprofiledump, pt_chown, rpcgen, rpcinfo, sln, sprof, tzselect, xtrace,
|
|---|
| 318 | zdump, and zic</seg>
|
|---|
| 319 | <seg>ld.so, libBrokenLocale.[a,so], libSegFault.so, libanl.[a,so],
|
|---|
| 320 | libbsd-compat.a, libc.[a,so], libcrypt.[a,so], libdl.[a,so], libg.a,
|
|---|
| 321 | libieee.a, libm.[a,so], libmcheck.a, libmemusage.so, libnsl.a,
|
|---|
| 322 | libnss_compat.so, libnss_dns.so, libnss_files.so, libnss_hesiod.so,
|
|---|
| 323 | libnss_nis.so, libnss_nisplus.so, libpcprofile.so, libpthread.[a,so],
|
|---|
| 324 | libresolv.[a,so], librpcsvc.a, librt.[a,so], libthread_db.so, and
|
|---|
| 325 | libutil.[a,so]</seg>
|
|---|
| 326 | </seglistitem>
|
|---|
| 327 | </segmentedlist>
|
|---|
| 328 |
|
|---|
| 329 | <variablelist>
|
|---|
| 330 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
|
|---|
| 331 | <?dbfo list-presentation="list"?>
|
|---|
| 332 | <?dbhtml list-presentation="table"?>
|
|---|
| 333 |
|
|---|
| 334 | <varlistentry id="catchsegv">
|
|---|
| 335 | <term><command>catchsegv</command></term>
|
|---|
| 336 | <listitem>
|
|---|
| 337 | <para>Can be used to create a stack trace when a program
|
|---|
| 338 | terminates with a segmentation fault</para>
|
|---|
| 339 | <indexterm zone="ch-system-glibc catchsegv">
|
|---|
| 340 | <primary sortas="b-catchsegv">catchsegv</primary>
|
|---|
| 341 | </indexterm>
|
|---|
| 342 | </listitem>
|
|---|
| 343 | </varlistentry>
|
|---|
| 344 |
|
|---|
| 345 | <varlistentry id="gencat">
|
|---|
| 346 | <term><command>gencat</command></term>
|
|---|
| 347 | <listitem>
|
|---|
| 348 | <para>Generates message catalogues</para>
|
|---|
| 349 | <indexterm zone="ch-system-glibc gencat">
|
|---|
| 350 | <primary sortas="b-gencat">gencat</primary>
|
|---|
| 351 | </indexterm>
|
|---|
| 352 | </listitem>
|
|---|
| 353 | </varlistentry>
|
|---|
| 354 |
|
|---|
| 355 | <varlistentry id="getconf">
|
|---|
| 356 | <term><command>getconf</command></term>
|
|---|
| 357 | <listitem>
|
|---|
| 358 | <para>Displays the system configuration values for file system specific
|
|---|
| 359 | variables</para>
|
|---|
| 360 | <indexterm zone="ch-system-glibc getconf">
|
|---|
| 361 | <primary sortas="b-getconf">getconf</primary>
|
|---|
| 362 | </indexterm>
|
|---|
| 363 | </listitem>
|
|---|
| 364 | </varlistentry>
|
|---|
| 365 |
|
|---|
| 366 | <varlistentry id="getent">
|
|---|
| 367 | <term><command>getent</command></term>
|
|---|
| 368 | <listitem>
|
|---|
| 369 | <para>Gets entries from an administrative database</para>
|
|---|
| 370 | <indexterm zone="ch-system-glibc getent">
|
|---|
| 371 | <primary sortas="b-getent">getent</primary>
|
|---|
| 372 | </indexterm>
|
|---|
| 373 | </listitem>
|
|---|
| 374 | </varlistentry>
|
|---|
| 375 |
|
|---|
| 376 | <varlistentry id="iconv">
|
|---|
| 377 | <term><command>iconv</command></term>
|
|---|
| 378 | <listitem>
|
|---|
| 379 | <para>Performs character set conversion</para>
|
|---|
| 380 | <indexterm zone="ch-system-glibc iconv">
|
|---|
| 381 | <primary sortas="b-iconv">iconv</primary>
|
|---|
| 382 | </indexterm>
|
|---|
| 383 | </listitem>
|
|---|
| 384 | </varlistentry>
|
|---|
| 385 |
|
|---|
| 386 | <varlistentry id="iconvconfig">
|
|---|
| 387 | <term><command>iconvconfig</command></term>
|
|---|
| 388 | <listitem>
|
|---|
| 389 | <para>Creates fastloading <command>iconv</command> module configuration
|
|---|
| 390 | files</para>
|
|---|
| 391 | <indexterm zone="ch-system-glibc iconvconfig">
|
|---|
| 392 | <primary sortas="b-iconvconfig">iconvconfig</primary>
|
|---|
| 393 | </indexterm>
|
|---|
| 394 | </listitem>
|
|---|
| 395 | </varlistentry>
|
|---|
| 396 |
|
|---|
| 397 | <varlistentry id="ldconfig">
|
|---|
| 398 | <term><command>ldconfig</command></term>
|
|---|
| 399 | <listitem>
|
|---|
| 400 | <para>Configures the dynamic linker runtime bindings</para>
|
|---|
| 401 | <indexterm zone="ch-system-glibc ldconfig">
|
|---|
| 402 | <primary sortas="b-ldconfig">ldconfig</primary>
|
|---|
| 403 | </indexterm>
|
|---|
| 404 | </listitem>
|
|---|
| 405 | </varlistentry>
|
|---|
| 406 |
|
|---|
| 407 | <varlistentry id="ldd">
|
|---|
| 408 | <term><command>ldd</command></term>
|
|---|
| 409 | <listitem>
|
|---|
| 410 | <para>Reports which shared libraries are required
|
|---|
| 411 | by each given program or shared library</para>
|
|---|
| 412 | <indexterm zone="ch-system-glibc ldd">
|
|---|
| 413 | <primary sortas="b-ldd">ldd</primary>
|
|---|
| 414 | </indexterm>
|
|---|
| 415 | </listitem>
|
|---|
| 416 | </varlistentry>
|
|---|
| 417 |
|
|---|
| 418 | <varlistentry id="lddlibc4">
|
|---|
| 419 | <term><command>lddlibc4</command></term>
|
|---|
| 420 | <listitem>
|
|---|
| 421 | <para>Assists <command>ldd</command> with object files</para>
|
|---|
| 422 | <indexterm zone="ch-system-glibc lddlibc4">
|
|---|
| 423 | <primary sortas="b-lddlibc4">lddlibc4</primary>
|
|---|
| 424 | </indexterm>
|
|---|
| 425 | </listitem>
|
|---|
| 426 | </varlistentry>
|
|---|
| 427 |
|
|---|
| 428 | <varlistentry id="locale">
|
|---|
| 429 | <term><command>locale</command></term>
|
|---|
| 430 | <listitem>
|
|---|
| 431 | <para>Tells the compiler to enable or disable the use of POSIX locales
|
|---|
| 432 | for built-in operations</para>
|
|---|
| 433 | <indexterm zone="ch-system-glibc locale">
|
|---|
| 434 | <primary sortas="b-locale">locale</primary>
|
|---|
| 435 | </indexterm>
|
|---|
| 436 | </listitem>
|
|---|
| 437 | </varlistentry>
|
|---|
| 438 |
|
|---|
| 439 | <varlistentry id="localedef">
|
|---|
| 440 | <term><command>localedef</command></term>
|
|---|
| 441 | <listitem>
|
|---|
| 442 | <para>Compiles locale specifications</para>
|
|---|
| 443 | <indexterm zone="ch-system-glibc localedef">
|
|---|
| 444 | <primary sortas="b-localedef">localedef</primary>
|
|---|
| 445 | </indexterm>
|
|---|
| 446 | </listitem>
|
|---|
| 447 | </varlistentry>
|
|---|
| 448 |
|
|---|
| 449 | <varlistentry id="mtrace">
|
|---|
| 450 | <term><command>mtrace</command></term>
|
|---|
| 451 | <listitem>
|
|---|
| 452 | <para>Reads and interprets a memory trace file and
|
|---|
| 453 | displays a summary in human-readable format</para>
|
|---|
| 454 | <indexterm zone="ch-system-glibc mtrace">
|
|---|
| 455 | <primary sortas="b-mtrace">mtrace</primary>
|
|---|
| 456 | </indexterm>
|
|---|
| 457 | </listitem>
|
|---|
| 458 | </varlistentry>
|
|---|
| 459 |
|
|---|
| 460 | <varlistentry id="nscd">
|
|---|
| 461 | <term><command>nscd</command></term>
|
|---|
| 462 | <listitem>
|
|---|
| 463 | <para>A daemon that provides a cache for the most common name
|
|---|
| 464 | service requests</para>
|
|---|
| 465 | <indexterm zone="ch-system-glibc nscd">
|
|---|
| 466 | <primary sortas="b-nscd">nscd</primary>
|
|---|
| 467 | </indexterm>
|
|---|
| 468 | </listitem>
|
|---|
| 469 | </varlistentry>
|
|---|
| 470 |
|
|---|
| 471 | <varlistentry id="pcprofiledump">
|
|---|
| 472 | <term><command>pcprofiledump</command></term>
|
|---|
| 473 | <listitem>
|
|---|
| 474 | <para>Dumps information generated by PC profiling</para>
|
|---|
| 475 | <indexterm zone="ch-system-glibc pcprofiledump">
|
|---|
| 476 | <primary sortas="b-pcprofiledump">pcprofiledump</primary>
|
|---|
| 477 | </indexterm>
|
|---|
| 478 | </listitem>
|
|---|
| 479 | </varlistentry>
|
|---|
| 480 |
|
|---|
| 481 | <varlistentry id="pt_chown">
|
|---|
| 482 | <term><command>pt_chown</command></term>
|
|---|
| 483 | <listitem>
|
|---|
| 484 | <para>A helper program for <command>grantpt</command> to set the owner,
|
|---|
| 485 | group and access permissions of a slave pseudo terminal</para>
|
|---|
| 486 | <indexterm zone="ch-system-glibc pt_chown">
|
|---|
| 487 | <primary sortas="b-pt_chown">pt_chown</primary>
|
|---|
| 488 | </indexterm>
|
|---|
| 489 | </listitem>
|
|---|
| 490 | </varlistentry>
|
|---|
| 491 |
|
|---|
| 492 | <varlistentry id="rpcgen">
|
|---|
| 493 | <term><command>rpcgen</command></term>
|
|---|
| 494 | <listitem>
|
|---|
| 495 | <para>Generates C code to implement the Remote Procecure Call (RPC)
|
|---|
| 496 | protocol</para>
|
|---|
| 497 | <indexterm zone="ch-system-glibc rpcgen">
|
|---|
| 498 | <primary sortas="b-rpcgen">rpcgen</primary>
|
|---|
| 499 | </indexterm>
|
|---|
| 500 | </listitem>
|
|---|
| 501 | </varlistentry>
|
|---|
| 502 |
|
|---|
| 503 | <varlistentry id="rpcinfo">
|
|---|
| 504 | <term><command>rpcinfo</command></term>
|
|---|
| 505 | <listitem>
|
|---|
| 506 | <para>Makes an RPC call to an RPC server</para>
|
|---|
| 507 | <indexterm zone="ch-system-glibc rpcinfo">
|
|---|
| 508 | <primary sortas="b-rpcinfo">rpcinfo</primary>
|
|---|
| 509 | </indexterm>
|
|---|
| 510 | </listitem>
|
|---|
| 511 | </varlistentry>
|
|---|
| 512 |
|
|---|
| 513 | <varlistentry id="sln">
|
|---|
| 514 | <term><command>sln</command></term>
|
|---|
| 515 | <listitem>
|
|---|
| 516 | <para>A statically linked <command>ln</command> program</para>
|
|---|
| 517 | <indexterm zone="ch-system-glibc sln">
|
|---|
| 518 | <primary sortas="b-sln">sln</primary>
|
|---|
| 519 | </indexterm>
|
|---|
| 520 | </listitem>
|
|---|
| 521 | </varlistentry>
|
|---|
| 522 |
|
|---|
| 523 | <varlistentry id="sprof">
|
|---|
| 524 | <term><command>sprof</command></term>
|
|---|
| 525 | <listitem>
|
|---|
| 526 | <para>Reads and displays shared object profiling data</para>
|
|---|
| 527 | <indexterm zone="ch-system-glibc sprof">
|
|---|
| 528 | <primary sortas="b-sprof">sprof</primary>
|
|---|
| 529 | </indexterm>
|
|---|
| 530 | </listitem>
|
|---|
| 531 | </varlistentry>
|
|---|
| 532 |
|
|---|
| 533 | <varlistentry id="tzselect">
|
|---|
| 534 | <term><command>tzselect</command></term>
|
|---|
| 535 | <listitem>
|
|---|
| 536 | <para>Asks the user about the location of the
|
|---|
| 537 | system and reports the corresponding time zone description</para>
|
|---|
| 538 | <indexterm zone="ch-system-glibc tzselect">
|
|---|
| 539 | <primary sortas="b-tzselect">tzselect</primary>
|
|---|
| 540 | </indexterm>
|
|---|
| 541 | </listitem>
|
|---|
| 542 | </varlistentry>
|
|---|
| 543 |
|
|---|
| 544 | <varlistentry id="xtrace">
|
|---|
| 545 | <term><command>xtrace</command></term>
|
|---|
| 546 | <listitem>
|
|---|
| 547 | <para>Traces the execution of a program by
|
|---|
| 548 | printing the currently executed function</para>
|
|---|
| 549 | <indexterm zone="ch-system-glibc xtrace">
|
|---|
| 550 | <primary sortas="b-xtrace">xtrace</primary>
|
|---|
| 551 | </indexterm>
|
|---|
| 552 | </listitem>
|
|---|
| 553 | </varlistentry>
|
|---|
| 554 |
|
|---|
| 555 | <varlistentry id="zdump">
|
|---|
| 556 | <term><command>zdump</command></term>
|
|---|
| 557 | <listitem>
|
|---|
| 558 | <para>The time zone dumper</para>
|
|---|
| 559 | <indexterm zone="ch-system-glibc zdump">
|
|---|
| 560 | <primary sortas="b-zdump">zdump</primary>
|
|---|
| 561 | </indexterm>
|
|---|
| 562 | </listitem>
|
|---|
| 563 | </varlistentry>
|
|---|
| 564 |
|
|---|
| 565 | <varlistentry id="zic">
|
|---|
| 566 | <term><command>zic</command></term>
|
|---|
| 567 | <listitem>
|
|---|
| 568 | <para>The time zone compiler</para>
|
|---|
| 569 | <indexterm zone="ch-system-glibc zic">
|
|---|
| 570 | <primary sortas="b-zic">zic</primary>
|
|---|
| 571 | </indexterm>
|
|---|
| 572 | </listitem>
|
|---|
| 573 | </varlistentry>
|
|---|
| 574 |
|
|---|
| 575 | <varlistentry id="ld.so">
|
|---|
| 576 | <term><filename class="libraryfile">ld.so</filename></term>
|
|---|
| 577 | <listitem>
|
|---|
| 578 | <para>The helper program for shared library executables</para>
|
|---|
| 579 | <indexterm zone="ch-system-glibc ld.so">
|
|---|
| 580 | <primary sortas="c-ld.so">ld.so</primary>
|
|---|
| 581 | </indexterm>
|
|---|
| 582 | </listitem>
|
|---|
| 583 | </varlistentry>
|
|---|
| 584 |
|
|---|
| 585 | <varlistentry id="libBrokenLocale">
|
|---|
| 586 | <term><filename class="libraryfile">libBrokenLocale</filename></term>
|
|---|
| 587 | <listitem>
|
|---|
| 588 | <para>Used by programs, such as Mozilla, to solve broken locales</para>
|
|---|
| 589 | <indexterm zone="ch-system-glibc libBrokenLocale">
|
|---|
| 590 | <primary sortas="c-libBrokenLocale">libBrokenLocale</primary>
|
|---|
| 591 | </indexterm>
|
|---|
| 592 | </listitem>
|
|---|
| 593 | </varlistentry>
|
|---|
| 594 |
|
|---|
| 595 | <varlistentry id="libSegFault">
|
|---|
| 596 | <term><filename class="libraryfile">libSegFault</filename></term>
|
|---|
| 597 | <listitem>
|
|---|
| 598 | <para>The segmentation fault signal handler</para>
|
|---|
| 599 | <indexterm zone="ch-system-glibc libSegFault">
|
|---|
| 600 | <primary sortas="c-libSegFault">libSegFault</primary>
|
|---|
| 601 | </indexterm>
|
|---|
| 602 | </listitem>
|
|---|
| 603 | </varlistentry>
|
|---|
| 604 |
|
|---|
| 605 | <varlistentry id="libanl">
|
|---|
| 606 | <term><filename class="libraryfile">libanl</filename></term>
|
|---|
| 607 | <listitem>
|
|---|
| 608 | <para>An asynchronous name lookup library</para>
|
|---|
| 609 | <indexterm zone="ch-system-glibc libanl">
|
|---|
| 610 | <primary sortas="c-libanl">libanl</primary>
|
|---|
| 611 | </indexterm>
|
|---|
| 612 | </listitem>
|
|---|
| 613 | </varlistentry>
|
|---|
| 614 |
|
|---|
| 615 | <varlistentry id="libbsd-compat">
|
|---|
| 616 | <term><filename class="libraryfile">libbsd-compat</filename></term>
|
|---|
| 617 | <listitem>
|
|---|
| 618 | <para>Provides the portability needed
|
|---|
| 619 | in order to run certain Berkey Software Distribution (BSD) programs
|
|---|
| 620 | under Linux</para>
|
|---|
| 621 | <indexterm zone="ch-system-glibc libbsd-compat">
|
|---|
| 622 | <primary sortas="c-libbsd-compat">libbsd-compat</primary>
|
|---|
| 623 | </indexterm>
|
|---|
| 624 | </listitem>
|
|---|
| 625 | </varlistentry>
|
|---|
| 626 |
|
|---|
| 627 | <varlistentry id="libc">
|
|---|
| 628 | <term><filename class="libraryfile">libc</filename></term>
|
|---|
| 629 | <listitem>
|
|---|
| 630 | <para>The main C library</para>
|
|---|
| 631 | <indexterm zone="ch-system-glibc libc">
|
|---|
| 632 | <primary sortas="c-libc">libc</primary>
|
|---|
| 633 | </indexterm>
|
|---|
| 634 | </listitem>
|
|---|
| 635 | </varlistentry>
|
|---|
| 636 |
|
|---|
| 637 | <varlistentry id="libcrypt">
|
|---|
| 638 | <term><filename class="libraryfile">libcrypt</filename></term>
|
|---|
| 639 | <listitem>
|
|---|
| 640 | <para>The cryptography library</para>
|
|---|
| 641 | <indexterm zone="ch-system-glibc libcrypt">
|
|---|
| 642 | <primary sortas="c-libcrypt">libcrypt</primary>
|
|---|
| 643 | </indexterm>
|
|---|
| 644 | </listitem>
|
|---|
| 645 | </varlistentry>
|
|---|
| 646 |
|
|---|
| 647 | <varlistentry id="libdl">
|
|---|
| 648 | <term><filename class="libraryfile">libdl</filename></term>
|
|---|
| 649 | <listitem>
|
|---|
| 650 | <para>The dynamic linking interface library</para>
|
|---|
| 651 | <indexterm zone="ch-system-glibc libdl">
|
|---|
| 652 | <primary sortas="c-libdl">libdl</primary>
|
|---|
| 653 | </indexterm>
|
|---|
| 654 | </listitem>
|
|---|
| 655 | </varlistentry>
|
|---|
| 656 |
|
|---|
| 657 | <varlistentry id="libg">
|
|---|
| 658 | <term><filename class="libraryfile">libg</filename></term>
|
|---|
| 659 | <listitem>
|
|---|
| 660 | <para>A runtime library for <command>g++</command></para>
|
|---|
| 661 | <indexterm zone="ch-system-glibc libg">
|
|---|
| 662 | <primary sortas="c-libg">libg</primary>
|
|---|
| 663 | </indexterm>
|
|---|
| 664 | </listitem>
|
|---|
| 665 | </varlistentry>
|
|---|
| 666 |
|
|---|
| 667 | <varlistentry id="libieee">
|
|---|
| 668 | <term><filename class="libraryfile">libieee</filename></term>
|
|---|
| 669 | <listitem>
|
|---|
| 670 | <para>The Institute of Electrical and Electronic Engineers (IEEE)
|
|---|
| 671 | floating point library</para>
|
|---|
| 672 | <indexterm zone="ch-system-glibc libieee">
|
|---|
| 673 | <primary sortas="c-libieee">libieee</primary>
|
|---|
| 674 | </indexterm>
|
|---|
| 675 | </listitem>
|
|---|
| 676 | </varlistentry>
|
|---|
| 677 |
|
|---|
| 678 | <varlistentry id="libm">
|
|---|
| 679 | <term><filename class="libraryfile">libm</filename></term>
|
|---|
| 680 | <listitem>
|
|---|
| 681 | <para>The mathematical library</para>
|
|---|
| 682 | <indexterm zone="ch-system-glibc libm">
|
|---|
| 683 | <primary sortas="c-libm">libm</primary>
|
|---|
| 684 | </indexterm>
|
|---|
| 685 | </listitem>
|
|---|
| 686 | </varlistentry>
|
|---|
| 687 |
|
|---|
| 688 | <varlistentry id="libmcheck">
|
|---|
| 689 | <term><filename class="libraryfile">libmcheck</filename></term>
|
|---|
| 690 | <listitem>
|
|---|
| 691 | <para>Contains code run at boot</para>
|
|---|
| 692 | <indexterm zone="ch-system-glibc libmcheck">
|
|---|
| 693 | <primary sortas="c-libmcheck">libmcheck</primary>
|
|---|
| 694 | </indexterm>
|
|---|
| 695 | </listitem>
|
|---|
| 696 | </varlistentry>
|
|---|
| 697 |
|
|---|
| 698 | <varlistentry id="libmemusage">
|
|---|
| 699 | <term><filename class="libraryfile">libmemusage</filename></term>
|
|---|
| 700 | <listitem>
|
|---|
| 701 | <para>Used by <command>memusage</command> to help collect
|
|---|
| 702 | information about the memory usage of a program</para>
|
|---|
| 703 | <indexterm zone="ch-system-glibc libmemusage">
|
|---|
| 704 | <primary sortas="c-libmemusage">libmemusage</primary>
|
|---|
| 705 | </indexterm>
|
|---|
| 706 | </listitem>
|
|---|
| 707 | </varlistentry>
|
|---|
| 708 |
|
|---|
| 709 | <varlistentry id="libnsl">
|
|---|
| 710 | <term><filename class="libraryfile">libnsl</filename></term>
|
|---|
| 711 | <listitem>
|
|---|
| 712 | <para>The network services library</para>
|
|---|
| 713 | <indexterm zone="ch-system-glibc libnsl">
|
|---|
| 714 | <primary sortas="c-libnsl">libnsl</primary>
|
|---|
| 715 | </indexterm>
|
|---|
| 716 | </listitem>
|
|---|
| 717 | </varlistentry>
|
|---|
| 718 |
|
|---|
| 719 | <varlistentry id="libnss">
|
|---|
| 720 | <term><filename class="libraryfile">libnss</filename></term>
|
|---|
| 721 | <listitem>
|
|---|
| 722 | <para>The Name Service Switch libraries, containing functions for
|
|---|
| 723 | resolving host names, user names, group names, aliases, services,
|
|---|
| 724 | protocols, etc.</para>
|
|---|
| 725 | <indexterm zone="ch-system-glibc libnss">
|
|---|
| 726 | <primary sortas="c-libnss">libnss</primary>
|
|---|
| 727 | </indexterm>
|
|---|
| 728 | </listitem>
|
|---|
| 729 | </varlistentry>
|
|---|
| 730 |
|
|---|
| 731 | <varlistentry id="libpcprofile">
|
|---|
| 732 | <term><filename class="libraryfile">libpcprofile</filename></term>
|
|---|
| 733 | <listitem>
|
|---|
| 734 | <para>Contains profiling functions used to track the amount of CPU
|
|---|
| 735 | time spent in specific source code lines</para>
|
|---|
| 736 | <indexterm zone="ch-system-glibc libpcprofile">
|
|---|
| 737 | <primary sortas="c-libpcprofile">libpcprofile</primary>
|
|---|
| 738 | </indexterm>
|
|---|
| 739 | </listitem>
|
|---|
| 740 | </varlistentry>
|
|---|
| 741 |
|
|---|
| 742 | <varlistentry id="libpthread">
|
|---|
| 743 | <term><filename class="libraryfile">libpthread</filename></term>
|
|---|
| 744 | <listitem>
|
|---|
| 745 | <para>The POSIX threads library</para>
|
|---|
| 746 | <indexterm zone="ch-system-glibc libpthread">
|
|---|
| 747 | <primary sortas="c-libpthread">libpthread</primary>
|
|---|
| 748 | </indexterm>
|
|---|
| 749 | </listitem>
|
|---|
| 750 | </varlistentry>
|
|---|
| 751 |
|
|---|
| 752 | <varlistentry id="libresolv">
|
|---|
| 753 | <term><filename class="libraryfile">libresolv</filename></term>
|
|---|
| 754 | <listitem>
|
|---|
| 755 | <para>Contains functions for creating, sending, and interpreting
|
|---|
| 756 | packets to the Internet domain name servers</para>
|
|---|
| 757 | <indexterm zone="ch-system-glibc libresolv">
|
|---|
| 758 | <primary sortas="c-libresolv">libresolv</primary>
|
|---|
| 759 | </indexterm>
|
|---|
| 760 | </listitem>
|
|---|
| 761 | </varlistentry>
|
|---|
| 762 |
|
|---|
| 763 | <varlistentry id="librpcsvc">
|
|---|
| 764 | <term><filename class="libraryfile">librpcsvc</filename></term>
|
|---|
| 765 | <listitem>
|
|---|
| 766 | <para>Contains functions providing miscellaneous RPC services</para>
|
|---|
| 767 | <indexterm zone="ch-system-glibc librpcsvc">
|
|---|
| 768 | <primary sortas="c-librpcsvc">librpcsvc</primary>
|
|---|
| 769 | </indexterm>
|
|---|
| 770 | </listitem>
|
|---|
| 771 | </varlistentry>
|
|---|
| 772 |
|
|---|
| 773 | <varlistentry id="librt">
|
|---|
| 774 | <term><filename class="libraryfile">librt</filename></term>
|
|---|
| 775 | <listitem>
|
|---|
| 776 | <para>Contains functions providing most of the interfaces specified by
|
|---|
| 777 | the POSIX.1b Realtime Extension</para>
|
|---|
| 778 | <indexterm zone="ch-system-glibc librt">
|
|---|
| 779 | <primary sortas="c-librt">librt</primary>
|
|---|
| 780 | </indexterm>
|
|---|
| 781 | </listitem>
|
|---|
| 782 | </varlistentry>
|
|---|
| 783 |
|
|---|
| 784 | <varlistentry id="libthread_db">
|
|---|
| 785 | <term><filename class="libraryfile">libthread_db</filename></term>
|
|---|
| 786 | <listitem>
|
|---|
| 787 | <para>Contains functions useful for
|
|---|
| 788 | building debuggers for multi-threaded programs</para>
|
|---|
| 789 | <indexterm zone="ch-system-glibc libthread_db">
|
|---|
| 790 | <primary sortas="c-libthread_db">libthread_db</primary>
|
|---|
| 791 | </indexterm>
|
|---|
| 792 | </listitem>
|
|---|
| 793 | </varlistentry>
|
|---|
| 794 |
|
|---|
| 795 | <varlistentry id="libutil">
|
|---|
| 796 | <term><filename class="libraryfile">libutil</filename></term>
|
|---|
| 797 | <listitem>
|
|---|
| 798 | <para>Contains code for <quote>standard</quote> functions used in
|
|---|
| 799 | many different Unix utilities</para>
|
|---|
| 800 | <indexterm zone="ch-system-glibc libutil">
|
|---|
| 801 | <primary sortas="c-libutil">libutil</primary>
|
|---|
| 802 | </indexterm>
|
|---|
| 803 | </listitem>
|
|---|
| 804 | </varlistentry>
|
|---|
| 805 |
|
|---|
| 806 | </variablelist>
|
|---|
| 807 |
|
|---|
| 808 | </sect2>
|
|---|
| 809 |
|
|---|
| 810 | </sect1>
|
|---|
