[7152faa] | 1 | <?xml version="1.0" encoding="UTF-8"?>
|
---|
[b06ca36] | 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
|
---|
| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
|
---|
[673b0d8] | 4 | <!ENTITY % general-entities SYSTEM "../general.ent">
|
---|
| 5 | %general-entities;
|
---|
| 6 | ]>
|
---|
[1f7ca93] | 7 |
|
---|
[9652249] | 8 | <sect1 id="ch-tools-glibc" role="wrap">
|
---|
[1f7ca93] | 9 | <?dbhtml filename="glibc.html"?>
|
---|
| 10 |
|
---|
[e747759] | 11 | <sect1info condition="script">
|
---|
| 12 | <productname>glibc</productname>
|
---|
| 13 | <productnumber>&glibc-version;</productnumber>
|
---|
| 14 | <address>&glibc-url;</address>
|
---|
| 15 | </sect1info>
|
---|
| 16 |
|
---|
[1f7ca93] | 17 | <title>Glibc-&glibc-version;</title>
|
---|
| 18 |
|
---|
| 19 | <indexterm zone="ch-tools-glibc">
|
---|
| 20 | <primary sortas="a-Glibc">Glibc</primary>
|
---|
| 21 | <secondary>tools</secondary>
|
---|
| 22 | </indexterm>
|
---|
| 23 |
|
---|
| 24 | <sect2 role="package">
|
---|
| 25 | <title/>
|
---|
[bc82645e] | 26 |
|
---|
[d9441360] | 27 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
|
---|
[6dfcfecc] | 28 | href="../chapter08/glibc.xml"
|
---|
[1f7ca93] | 29 | xpointer="xpointer(/sect1/sect2[1]/para[1])"/>
|
---|
[81fd230] | 30 |
|
---|
[1f7ca93] | 31 | <segmentedlist>
|
---|
| 32 | <segtitle>&buildtime;</segtitle>
|
---|
| 33 | <segtitle>&diskspace;</segtitle>
|
---|
[673b0d8] | 34 |
|
---|
[1f7ca93] | 35 | <seglistitem>
|
---|
[6dfcfecc] | 36 | <seg>&glibc-tmp-sbu;</seg>
|
---|
| 37 | <seg>&glibc-tmp-du;</seg>
|
---|
[1f7ca93] | 38 | </seglistitem>
|
---|
| 39 | </segmentedlist>
|
---|
[673b0d8] | 40 |
|
---|
[1f7ca93] | 41 | </sect2>
|
---|
[73aedd1d] | 42 |
|
---|
[1f7ca93] | 43 | <sect2 role="installation">
|
---|
| 44 | <title>Installation of Glibc</title>
|
---|
[6fc168b] | 45 |
|
---|
[ceebda5] | 46 | <para>First, create a symbolic link for LSB compliance. Additionally,
|
---|
[6dfcfecc] | 47 | for x86_64, create a compatibility symbolic link required for proper
|
---|
| 48 | operation of the dynamic library loader:</para>
|
---|
| 49 |
|
---|
| 50 | <screen arch="default"><userinput remap="pre">case $(uname -m) in
|
---|
| 51 | i?86) ln -sfv ld-linux.so.2 $LFS/lib/ld-lsb.so.3
|
---|
| 52 | ;;
|
---|
| 53 | x86_64) ln -sfv ../lib/ld-linux-x86-64.so.2 $LFS/lib64
|
---|
| 54 | ln -sfv ../lib/ld-linux-x86-64.so.2 $LFS/lib64/ld-lsb-x86-64.so.3
|
---|
| 55 | ;;
|
---|
| 56 | esac</userinput></screen>
|
---|
| 57 | <!-- no ld-linux.so.2 here as multilib is based on x86_64, not on i686 -->
|
---|
| 58 | <screen arch="ml_32,ml_x32,ml_all"><userinput remap="pre">ln -sfv ../lib/ld-linux-x86-64.so.2 $LFS/lib64
|
---|
| 59 | ln -sfv ../lib/ld-linux-x86-64.so.2 $LFS/lib64/ld-lsb-x86-64.so.3</userinput></screen>
|
---|
| 60 |
|
---|
[0fc1b27] | 61 | <note>
|
---|
| 62 | <para>
|
---|
| 63 | The above command is correct. The <command>ln</command> command has
|
---|
[f6820bb6] | 64 | several syntactic versions, so be sure to check
|
---|
[ea93c11] | 65 | <command>info coreutils ln</command> and <ulink role='man'
|
---|
| 66 | url='&man;ln.1'>ln(1)</ulink> before reporting what may appear to be
|
---|
| 67 | an error.
|
---|
[0fc1b27] | 68 | </para>
|
---|
| 69 | </note>
|
---|
| 70 |
|
---|
[f6820bb6] | 71 | <para>Some of the Glibc programs use the non-FHS-compliant
|
---|
[6dfcfecc] | 72 | <filename class="directory">/var/db</filename> directory to store their
|
---|
| 73 | runtime data. Apply the following patch to make such programs store their
|
---|
| 74 | runtime data in the FHS-compliant locations:</para>
|
---|
| 75 |
|
---|
| 76 | <screen><userinput remap="pre">patch -Np1 -i ../glibc-&glibc-version;-fhs-1.patch</userinput></screen>
|
---|
| 77 |
|
---|
[a26f29f] | 78 | <para>The Glibc documentation recommends building Glibc
|
---|
[f1dd547] | 79 | in a dedicated build directory:</para>
|
---|
[9bda40d] | 80 |
|
---|
[f1dd547] | 81 | <screen><userinput remap="pre">mkdir -v build
|
---|
| 82 | cd build</userinput></screen>
|
---|
[f1c177f] | 83 |
|
---|
[4eee9cc] | 84 | <para>Ensure that the <command>ldconfig</command> and <command>sln</command>
|
---|
[bcb20b4] | 85 | utilities are installed into
|
---|
[4eee9cc] | 86 | <filename class="directory">/usr/sbin</filename>:</para>
|
---|
| 87 |
|
---|
| 88 | <screen><userinput remap="pre">echo "rootsbindir=/usr/sbin" > configparms</userinput></screen>
|
---|
| 89 |
|
---|
[1f7ca93] | 90 | <para>Next, prepare Glibc for compilation:</para>
|
---|
[73aedd1d] | 91 |
|
---|
[9c31d62] | 92 | <screen arch="default"><userinput remap="configure">../configure \
|
---|
[6dfcfecc] | 93 | --prefix=/usr \
|
---|
[63df8c7] | 94 | --host=$LFS_TGT \
|
---|
| 95 | --build=$(../scripts/config.guess) \
|
---|
[0f18f2b] | 96 | --enable-kernel=&min-kernel; \
|
---|
[6dfcfecc] | 97 | --with-headers=$LFS/usr/include \
|
---|
[25b3c0f] | 98 | --disable-nscd \
|
---|
[d4b5218] | 99 | libc_cv_slibdir=/usr/lib</userinput></screen>
|
---|
[9c31d62] | 100 | <screen arch="ml_32,ml_x32,ml_all"><userinput remap="configure">../configure \
|
---|
[6dfcfecc] | 101 | --prefix=/usr \
|
---|
[9c31d62] | 102 | --host=$LFS_TGT \
|
---|
| 103 | --build=$(../scripts/config.guess) \
|
---|
| 104 | --enable-kernel=&min-kernel; \
|
---|
[6dfcfecc] | 105 | --with-headers=$LFS/usr/include \
|
---|
[9c31d62] | 106 | --enable-multi-arch \
|
---|
[d4b5218] | 107 | libc_cv_slibdir=/usr/lib</userinput></screen>
|
---|
[73aedd1d] | 108 |
|
---|
[1f7ca93] | 109 | <variablelist>
|
---|
| 110 | <title>The meaning of the configure options:</title>
|
---|
| 111 |
|
---|
[4e82d47] | 112 | <varlistentry>
|
---|
[418b038] | 113 | <term><parameter>--host=$LFS_TGT, --build=$(../scripts/config.guess)</parameter></term>
|
---|
[4e82d47] | 114 | <listitem>
|
---|
| 115 | <para>The combined effect of these switches is that Glibc's build system
|
---|
[6dfcfecc] | 116 | configures itself to be cross-compiled, using the cross-linker and
|
---|
| 117 | cross-compiler in <filename class="directory">$LFS/tools</filename>.</para>
|
---|
[4e82d47] | 118 | </listitem>
|
---|
| 119 | </varlistentry>
|
---|
[1118b17] | 120 |
|
---|
[1f7ca93] | 121 | <varlistentry>
|
---|
[70cd9f32] | 122 | <term><parameter>--enable-kernel=&min-kernel;</parameter></term>
|
---|
[1f7ca93] | 123 | <listitem>
|
---|
| 124 | <para>This tells Glibc to compile the library with support
|
---|
[70cd9f32] | 125 | for &min-kernel; and later Linux kernels. Workarounds for older
|
---|
[3532721] | 126 | kernels are not enabled.</para>
|
---|
[1f7ca93] | 127 | </listitem>
|
---|
| 128 | </varlistentry>
|
---|
[1118b17] | 129 |
|
---|
[1f7ca93] | 130 | <varlistentry>
|
---|
[6dfcfecc] | 131 | <term><parameter>--with-headers=$LFS/usr/include</parameter></term>
|
---|
[1f7ca93] | 132 | <listitem>
|
---|
[6dfcfecc] | 133 | <para>This tells Glibc to compile itself against the headers
|
---|
| 134 | recently installed to the $LFS/usr/include directory, so that
|
---|
| 135 | it knows exactly what features the kernel has and can optimize
|
---|
| 136 | itself accordingly.</para>
|
---|
[4e82d47] | 137 | </listitem>
|
---|
| 138 | </varlistentry>
|
---|
[6dfcfecc] | 139 |
|
---|
[4e82d47] | 140 | <varlistentry>
|
---|
[d7a9421] | 141 | <term><parameter>libc_cv_slibdir=/usr/lib</parameter></term>
|
---|
[4e82d47] | 142 | <listitem>
|
---|
[d7a9421] | 143 | <para>This ensures that the library is installed in /usr/lib instead
|
---|
[f6820bb6] | 144 | of the default /lib64 on 64-bit machines.</para>
|
---|
[1f7ca93] | 145 | </listitem>
|
---|
| 146 | </varlistentry>
|
---|
| 147 |
|
---|
[25b3c0f] | 148 | <varlistentry>
|
---|
| 149 | <term><parameter>--disable-nscd</parameter></term>
|
---|
| 150 | <listitem>
|
---|
| 151 | <para>Do not build the name service cache daemon which is no
|
---|
| 152 | longer used.</para>
|
---|
| 153 | </listitem>
|
---|
| 154 | </varlistentry>
|
---|
| 155 |
|
---|
[1f7ca93] | 156 | </variablelist>
|
---|
| 157 |
|
---|
| 158 | <para>During this stage the following warning might appear:</para>
|
---|
| 159 |
|
---|
| 160 | <blockquote>
|
---|
| 161 | <screen><computeroutput>configure: WARNING:
|
---|
| 162 | *** These auxiliary programs are missing or
|
---|
[81fd230] | 163 | *** incompatible versions: msgfmt
|
---|
| 164 | *** some features will be disabled.
|
---|
[1f7ca93] | 165 | *** Check the INSTALL file for required versions.</computeroutput></screen>
|
---|
| 166 | </blockquote>
|
---|
[81fd230] | 167 |
|
---|
[1f7ca93] | 168 | <para>The missing or incompatible <command>msgfmt</command> program is
|
---|
[5f7456b] | 169 | generally harmless. This <command>msgfmt</command> program is part of the
|
---|
[f6820bb6] | 170 | Gettext package, which the host distribution should provide.</para>
|
---|
[81fd230] | 171 |
|
---|
[a26f29f] | 172 | <note><para>There have been reports that this package may fail when
|
---|
[360fdfca] | 173 | building as a <quote>parallel make.</quote> If that occurs, rerun the make command
|
---|
| 174 | with the <option>-j1</option> option.</para></note>
|
---|
[7b1923d] | 175 |
|
---|
[1f7ca93] | 176 | <para>Compile the package:</para>
|
---|
[73aedd1d] | 177 |
|
---|
[0445a3d] | 178 | <screen><userinput remap="make">make</userinput></screen>
|
---|
[73aedd1d] | 179 |
|
---|
[1f7ca93] | 180 | <para>Install the package:</para>
|
---|
[73aedd1d] | 181 |
|
---|
[6dfcfecc] | 182 | <warning><para>If <envar>LFS</envar> is not properly set, and despite the
|
---|
[38de42d] | 183 | recommendations, you are building as
|
---|
| 184 | <systemitem class="username">root</systemitem>, the next command will
|
---|
[f6820bb6] | 185 | install the newly built Glibc to your host system, which will almost
|
---|
| 186 | certainly render it unusable. So double-check that the environment is
|
---|
| 187 | correctly set, and that you are not &root;, before running the following command.</para></warning>
|
---|
[6dfcfecc] | 188 |
|
---|
| 189 | <screen><userinput remap="install">make DESTDIR=$LFS install</userinput></screen>
|
---|
| 190 |
|
---|
| 191 | <variablelist>
|
---|
| 192 | <title>The meaning of the <command>make install</command> option:</title>
|
---|
| 193 |
|
---|
| 194 | <varlistentry>
|
---|
| 195 | <term><parameter>DESTDIR=$LFS</parameter></term>
|
---|
| 196 | <listitem>
|
---|
| 197 | <para>The <envar>DESTDIR</envar> make variable is used by almost all
|
---|
| 198 | packages to define the location where the package should be
|
---|
| 199 | installed. If it is not set, it defaults to the root (<filename
|
---|
| 200 | class="directory">/</filename>) directory. Here we specify that
|
---|
[f6820bb6] | 201 | the package is installed in <filename class="directory">$LFS
|
---|
| 202 | </filename>, which will become the root directory in <xref linkend=
|
---|
[6dfcfecc] | 203 | "ch-tools-chroot"/>.</para>
|
---|
| 204 | </listitem>
|
---|
| 205 | </varlistentry>
|
---|
[73aedd1d] | 206 |
|
---|
[6dfcfecc] | 207 | </variablelist>
|
---|
| 208 |
|
---|
[f6820bb6] | 209 | <para>Fix a hard coded path to the executable loader in the
|
---|
[0ebda11] | 210 | <command>ldd</command> script:</para>
|
---|
| 211 |
|
---|
| 212 | <screen><userinput remap="install">sed '/RTLDLIST=/s@/usr@@g' -i $LFS/usr/bin/ldd</userinput></screen>
|
---|
| 213 |
|
---|
[6dfcfecc] | 214 | <caution>
|
---|
| 215 | <para>At this point, it is imperative to stop and ensure that the basic
|
---|
| 216 | functions (compiling and linking) of the new toolchain are working as
|
---|
| 217 | expected. To perform a sanity check, run the following commands:</para>
|
---|
[1a3e6a3] | 218 |
|
---|
[793f9087] | 219 | <screen><userinput>echo 'int main(){}' | $LFS_TGT-gcc -xc -
|
---|
[b3f157c6] | 220 | readelf -l a.out | grep ld-linux</userinput></screen>
|
---|
[1a3e6a3] | 221 |
|
---|
[6dfcfecc] | 222 | <para>If everything is working correctly, there should be no errors,
|
---|
| 223 | and the output of the last command will be of the form:</para>
|
---|
[1a3e6a3] | 224 |
|
---|
[6dfcfecc] | 225 | <screen><computeroutput>[Requesting program interpreter: /lib64/ld-linux-x86-64.so.2]</computeroutput></screen>
|
---|
[1a3e6a3] | 226 |
|
---|
[6dfcfecc] | 227 | <para arch="default">Note that for 32-bit machines, the interpreter name will be
|
---|
| 228 | <filename>/lib/ld-linux.so.2</filename>.</para>
|
---|
[1a3e6a3] | 229 |
|
---|
[f6820bb6] | 230 | <para>If the output is not as shown above, or there is no output at all,
|
---|
[6dfcfecc] | 231 | then something is wrong. Investigate and retrace the steps to find out
|
---|
| 232 | where the problem is and correct it. This issue must be resolved before
|
---|
[f6820bb6] | 233 | continuing.</para>
|
---|
[1a3e6a3] | 234 |
|
---|
[b3f157c6] | 235 | <para>Once all is well, clean up the test file:</para>
|
---|
[1a3e6a3] | 236 |
|
---|
[b3f157c6] | 237 | <screen><userinput>rm -v a.out</userinput></screen>
|
---|
[1a3e6a3] | 238 |
|
---|
[6dfcfecc] | 239 | </caution>
|
---|
[1a3e6a3] | 240 |
|
---|
[f6820bb6] | 241 | <note><para>Building the packages in the next chapter will serve as an
|
---|
[6dfcfecc] | 242 | additional check that the toolchain has been built properly. If some
|
---|
[f6820bb6] | 243 | package, especially Binutils-pass2 or GCC-pass2, fails to build, it is
|
---|
[6dfcfecc] | 244 | an indication that something has gone wrong with the
|
---|
[f6820bb6] | 245 | preceding Binutils, GCC, or Glibc installations.</para></note>
|
---|
[bd5b888] | 246 | <!--
|
---|
[6dfcfecc] | 247 | <para>Now that our cross-toolchain is complete, finalize the installation
|
---|
[f6820bb6] | 248 | of the limits.h header. To do this, run a utility provided by the GCC
|
---|
[6dfcfecc] | 249 | developers:</para>
|
---|
[bc82645e] | 250 |
|
---|
[6dfcfecc] | 251 | <screen><userinput>$LFS/tools/libexec/gcc/$LFS_TGT/&gcc-version;/install-tools/mkheaders</userinput></screen>
|
---|
[bd5b888] | 252 | -->
|
---|
[6dfcfecc] | 253 | </sect2>
|
---|
[e2ccc32] | 254 |
|
---|
[6dfcfecc] | 255 | <!-- - - - - - - - - - -->
|
---|
| 256 | <!-- Multilib - 32bit -->
|
---|
| 257 | <!-- - - - - - - - - - -->
|
---|
| 258 | <sect2 arch="ml_32,ml_all">
|
---|
| 259 | <title>Building Glibc - 32bit</title>
|
---|
| 260 |
|
---|
| 261 | <para>Now recompile for m32. The extracted source can be
|
---|
[0ebda11] | 262 | reused but needs to be cleaned before installing the m32
|
---|
[6dfcfecc] | 263 | version of Glibc.</para>
|
---|
| 264 |
|
---|
| 265 | <para>Clear the build directory and remove artefacts from
|
---|
| 266 | previous build:</para>
|
---|
| 267 |
|
---|
| 268 | <screen><userinput remap="pre">make clean
|
---|
| 269 | find .. -name "*.a" -delete</userinput></screen>
|
---|
| 270 |
|
---|
| 271 | <para>Configure Glibc for m32 with the following commands:</para>
|
---|
| 272 |
|
---|
| 273 | <screen><userinput remap="configure">CC="$LFS_TGT-gcc -m32" \
|
---|
| 274 | CXX="$LFS_TGT-g++ -m32" \
|
---|
| 275 | ../configure \
|
---|
| 276 | --prefix=/usr \
|
---|
| 277 | --host=$LFS_TGT32 \
|
---|
| 278 | --build=$(../scripts/config.guess) \
|
---|
| 279 | --enable-kernel=&min-kernel; \
|
---|
| 280 | --with-headers=$LFS/usr/include \
|
---|
| 281 | --enable-multi-arch \
|
---|
[0ebda11] | 282 | --libdir=/usr/lib32 \
|
---|
| 283 | --libexecdir=/usr/lib32 \
|
---|
[d4b5218] | 284 | libc_cv_slibdir=/usr/lib32</userinput></screen>
|
---|
[e2ccc32] | 285 |
|
---|
[6dfcfecc] | 286 | <para>Compile the package:</para>
|
---|
[e2ccc32] | 287 |
|
---|
[6dfcfecc] | 288 | <screen><userinput remap="make">make</userinput></screen>
|
---|
[e2ccc32] | 289 |
|
---|
[6dfcfecc] | 290 | <para>Install the package:</para>
|
---|
[e2ccc32] | 291 |
|
---|
[6dfcfecc] | 292 | <screen><userinput remap="install">make DESTDIR=$PWD/DESTDIR install
|
---|
[0ebda11] | 293 | cp -a DESTDIR/usr/lib32 $LFS/usr/
|
---|
[6dfcfecc] | 294 | install -vm644 DESTDIR/usr/include/gnu/{lib-names,stubs}-32.h \
|
---|
| 295 | $LFS/usr/include/gnu/
|
---|
[0ebda11] | 296 | ln -svf ../lib32/ld-linux.so.2 $LFS/lib/ld-linux.so.2</userinput></screen>
|
---|
| 297 |
|
---|
[b3f1ebb3] | 298 |
|
---|
[6dfcfecc] | 299 | <caution>
|
---|
| 300 | <para>At this point, it is imperative to stop and ensure that the basic
|
---|
| 301 | functions (compiling and linking) of the new toolchain are working as
|
---|
| 302 | expected. To perform a sanity check, run the following commands:</para>
|
---|
[b3f1ebb3] | 303 |
|
---|
[6dfcfecc] | 304 | <screen><userinput>echo 'int main(){}' > dummy.c
|
---|
| 305 | $LFS_TGT-gcc -m32 dummy.c
|
---|
| 306 | readelf -l a.out | grep '/ld-linux'</userinput></screen>
|
---|
[b3f1ebb3] | 307 |
|
---|
[6dfcfecc] | 308 | <para>If everything is working correctly, there should be no errors,
|
---|
| 309 | and the output of the last command will be of the form:</para>
|
---|
[b3f1ebb3] | 310 |
|
---|
[6dfcfecc] | 311 | <screen><computeroutput>[Requesting program interpreter: /lib/ld-linux.so.2]</computeroutput></screen>
|
---|
[e2ccc32] | 312 |
|
---|
[6dfcfecc] | 313 | <para>If the output is not shown as above or there was no output at all,
|
---|
| 314 | then something is wrong. Investigate and retrace the steps to find out
|
---|
| 315 | where the problem is and correct it. This issue must be resolved before
|
---|
| 316 | continuing on.</para>
|
---|
[e2ccc32] | 317 |
|
---|
[6dfcfecc] | 318 | <para>Once all is well, clean up the test files:</para>
|
---|
[e2ccc32] | 319 |
|
---|
[6dfcfecc] | 320 | <screen><userinput>rm -v dummy.c a.out</userinput></screen>
|
---|
[e2ccc32] | 321 |
|
---|
[6dfcfecc] | 322 | </caution>
|
---|
[e2ccc32] | 323 |
|
---|
[6dfcfecc] | 324 | </sect2><!-- m32 -->
|
---|
[b3f1ebb3] | 325 |
|
---|
[6dfcfecc] | 326 | <!-- - - - - - - - - - -->
|
---|
| 327 | <!-- Multilib - x32bit -->
|
---|
| 328 | <!-- - - - - - - - - - -->
|
---|
| 329 |
|
---|
| 330 | <sect2 arch="ml_x32,ml_all">
|
---|
| 331 | <title>Building Glibc - x32bit</title>
|
---|
| 332 |
|
---|
| 333 | <para>Now recompile for mx32. The extracted source can be
|
---|
[0ebda11] | 334 | reused but needs to be cleaned before installing the mx32
|
---|
[6dfcfecc] | 335 | version of Glibc.</para>
|
---|
| 336 |
|
---|
| 337 | <para>Clear the build directory and remove artefacts from
|
---|
| 338 | previous build:</para>
|
---|
| 339 |
|
---|
| 340 | <screen><userinput remap="pre">make clean
|
---|
| 341 | find .. -name "*.a" -delete</userinput></screen>
|
---|
| 342 |
|
---|
| 343 | <para>Configure Glibc for mx32 with the following commands:</para>
|
---|
| 344 |
|
---|
| 345 | <screen><userinput remap="configure">CC="$LFS_TGT-gcc -mx32" \
|
---|
| 346 | CXX="$LFS_TGT-g++ -mx32" \
|
---|
| 347 | ../configure \
|
---|
| 348 | --prefix=/usr \
|
---|
| 349 | --host=$LFS_TGTX32 \
|
---|
| 350 | --build=$(../scripts/config.guess) \
|
---|
| 351 | --enable-kernel=&min-kernel; \
|
---|
| 352 | --with-headers=$LFS/usr/include \
|
---|
| 353 | --enable-multi-arch \
|
---|
[0ebda11] | 354 | --libdir=/usr/libx32 \
|
---|
| 355 | --libexecdir=/usr/libx32 \
|
---|
[d4b5218] | 356 | libc_cv_slibdir=/usr/libx32</userinput></screen>
|
---|
[b3f1ebb3] | 357 |
|
---|
[6dfcfecc] | 358 | <para>Compile the package:</para>
|
---|
| 359 |
|
---|
| 360 | <screen><userinput remap="make">make</userinput></screen>
|
---|
[b3f1ebb3] | 361 |
|
---|
[6dfcfecc] | 362 | <para>Install the package:</para>
|
---|
[b3f1ebb3] | 363 |
|
---|
[6dfcfecc] | 364 | <screen><userinput remap="install">make DESTDIR=$PWD/DESTDIR install
|
---|
[0ebda11] | 365 | cp -a DESTDIR/usr/libx32 $LFS/usr/
|
---|
[6dfcfecc] | 366 | install -vm644 DESTDIR/usr/include/gnu/{lib-names,stubs}-x32.h \
|
---|
| 367 | $LFS/usr/include/gnu/
|
---|
[0ebda11] | 368 | ln -svf ../libx32/ld-linux-x32.so.2 $LFS/lib/ld-linux-x32.so.2</userinput></screen>
|
---|
[b3f1ebb3] | 369 |
|
---|
[6dfcfecc] | 370 | <caution>
|
---|
| 371 | <para>At this point, it is imperative to stop and ensure that the basic
|
---|
| 372 | functions (compiling and linking) of the new toolchain are working as
|
---|
| 373 | expected. To perform a sanity check, run the following commands:</para>
|
---|
[b3f1ebb3] | 374 |
|
---|
| 375 | <screen><userinput>echo 'int main(){}' > dummy.c
|
---|
| 376 | $LFS_TGT-gcc -mx32 dummy.c
|
---|
[6dfcfecc] | 377 | readelf -l a.out | grep '/ld-linux-x32'</userinput></screen>
|
---|
[b3f1ebb3] | 378 |
|
---|
[6dfcfecc] | 379 | <para>If everything is working correctly, there should be no errors,
|
---|
| 380 | and the output of the last command will be of the form:</para>
|
---|
[b3f1ebb3] | 381 |
|
---|
[d7e0db5] | 382 | <screen><computeroutput>[Requesting program interpreter: /libx32/ld-linux-x32.so.2]</computeroutput></screen>
|
---|
[b3f1ebb3] | 383 |
|
---|
[6dfcfecc] | 384 | <para>If the output is not shown as above or there was no output at all,
|
---|
| 385 | then something is wrong. Investigate and retrace the steps to find out
|
---|
| 386 | where the problem is and correct it. This issue must be resolved before
|
---|
| 387 | continuing on.</para>
|
---|
[b3f1ebb3] | 388 |
|
---|
[6dfcfecc] | 389 | <para>Once all is well, clean up the test files:</para>
|
---|
[b3f1ebb3] | 390 |
|
---|
| 391 | <screen><userinput>rm -v dummy.c a.out</userinput></screen>
|
---|
| 392 |
|
---|
[6dfcfecc] | 393 | </caution>
|
---|
| 394 |
|
---|
| 395 | </sect2><!-- mx32 -->
|
---|
| 396 |
|
---|
[1f7ca93] | 397 | <sect2 role="content">
|
---|
| 398 | <title/>
|
---|
[81fd230] | 399 |
|
---|
[1f7ca93] | 400 | <para>Details on this package are located in
|
---|
| 401 | <xref linkend="contents-glibc" role="."/></para>
|
---|
| 402 |
|
---|
| 403 | </sect2>
|
---|
[81fd230] | 404 |
|
---|
[1f7ca93] | 405 | </sect1>
|
---|