| 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
|
|---|
| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
|
|---|
| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
|
|---|
| 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
|
|---|
| 5 | %general-entities;
|
|---|
| 6 | ]>
|
|---|
| 7 |
|
|---|
| 8 | <sect1 id="ch-system-gcc" role="wrap">
|
|---|
| 9 | <?dbhtml filename="gcc.html"?>
|
|---|
| 10 |
|
|---|
| 11 | <title>GCC-&gcc-version;</title>
|
|---|
| 12 |
|
|---|
| 13 | <indexterm zone="ch-system-gcc">
|
|---|
| 14 | <primary sortas="a-GCC">GCC</primary>
|
|---|
| 15 | </indexterm>
|
|---|
| 16 |
|
|---|
| 17 | <sect2 role="package">
|
|---|
| 18 | <title/>
|
|---|
| 19 |
|
|---|
| 20 | <para>The GCC package contains the GNU compiler collection, which includes
|
|---|
| 21 | the C and C++ compilers.</para>
|
|---|
| 22 |
|
|---|
| 23 | </sect2>
|
|---|
| 24 |
|
|---|
| 25 | <sect2 role="installation">
|
|---|
| 26 | <title>Installation of GCC</title>
|
|---|
| 27 |
|
|---|
| 28 | <para os="p1">The following patch contains a number of updates to the
|
|---|
| 29 | &gcc-version; branch by the GCC developers:</para>
|
|---|
| 30 |
|
|---|
| 31 | <screen os="p2"><userinput>patch -Np1 -i ../&gcc-branch_update-patch;</userinput></screen>
|
|---|
| 32 |
|
|---|
| 33 | <para os="fix1">Apply a <command>sed</command> substitution that will
|
|---|
| 34 | suppress the execution of the <command>fixincludes</command> script:</para>
|
|---|
| 35 |
|
|---|
| 36 | <screen os="fix2"><userinput>sed -i 's@\./fixinc\.sh@-c true@' gcc/Makefile.in</userinput></screen>
|
|---|
| 37 |
|
|---|
| 38 | <para os="f">The GCC documentation recommends building GCC outside of the source
|
|---|
| 39 | directory in a dedicated build directory:</para>
|
|---|
| 40 |
|
|---|
| 41 | <screen os="g"><userinput>mkdir -v ../gcc-build
|
|---|
| 42 | cd ../gcc-build</userinput></screen>
|
|---|
| 43 |
|
|---|
| 44 | <para os="h">Prepare GCC for compilation:</para>
|
|---|
| 45 |
|
|---|
| 46 | <screen os="i"><userinput>SED=sed CC="gcc -isystem /usr/include" \
|
|---|
| 47 | CXX="g++ -isystem /usr/include" \
|
|---|
| 48 | LDFLAGS="-Wl,-rpath-link,/usr/lib:/lib" \
|
|---|
| 49 | ../gcc-&gcc-version;/configure --prefix=/usr \
|
|---|
| 50 | --libexecdir=/usr/lib --enable-languages=c,c++ \
|
|---|
| 51 | --disable-multilib --disable-libstdcxx-pch --with-system-zlib \
|
|---|
| 52 | --enable-install-libiberty --disable-bootstrap</userinput></screen>
|
|---|
| 53 |
|
|---|
| 54 | <variablelist os="i1">
|
|---|
| 55 | <title>The meaning of the new configure option:</title>
|
|---|
| 56 |
|
|---|
| 57 | <varlistentry>
|
|---|
| 58 | <term><parameter>SED=sed</parameter></term>
|
|---|
| 59 | <listitem>
|
|---|
| 60 | <para>This prevents a hard-coded path to
|
|---|
| 61 | <filename>/tools/bin/sed</filename> in the <command>fixincl</command>
|
|---|
| 62 | program.</para>
|
|---|
| 63 | </listitem>
|
|---|
| 64 | </varlistentry>
|
|---|
| 65 |
|
|---|
| 66 | </variablelist>
|
|---|
| 67 |
|
|---|
| 68 | <para os="j">Compile the package:</para>
|
|---|
| 69 |
|
|---|
| 70 | <screen os="k"><userinput>make</userinput></screen>
|
|---|
| 71 |
|
|---|
| 72 | <important os="l">
|
|---|
| 73 | <para>Due to GCC's critical role in a properly functioning system,
|
|---|
| 74 | the CLFS developers strongly recommend running the testsuite.</para>
|
|---|
| 75 | </important>
|
|---|
| 76 |
|
|---|
| 77 | <para os="s1">Increase the stack size prior to running the tests:</para>
|
|---|
| 78 |
|
|---|
| 79 | <screen os="s2"><userinput remap="test">ulimit -s 32768</userinput></screen>
|
|---|
| 80 |
|
|---|
| 81 | <para os="m">Test the results, but do not stop at errors:</para>
|
|---|
| 82 |
|
|---|
| 83 | <screen os="n"><userinput remap="test">make -k check</userinput></screen>
|
|---|
| 84 |
|
|---|
| 85 | <para os="o">The <parameter>-k</parameter> flag is used to make the test suite
|
|---|
| 86 | run through to completion and not stop at the first failure. The GCC test
|
|---|
| 87 | suite is very comprehensive and is almost guaranteed to generate a few
|
|---|
| 88 | failures. To receive a summary of the test suite results, run:</para>
|
|---|
| 89 |
|
|---|
| 90 | <screen os="p"><userinput remap="test">../gcc-&gcc-version;/contrib/test_summary</userinput></screen>
|
|---|
| 91 |
|
|---|
| 92 | <para os="q">For only the summaries, pipe the output through
|
|---|
| 93 | <userinput>grep -A7 Summ</userinput>.</para>
|
|---|
| 94 |
|
|---|
| 95 | <para os="r">A few unexpected failures cannot always be avoided. The
|
|---|
| 96 | GCC developers are usually aware of these issues, but have not
|
|---|
| 97 | resolved them yet.</para>
|
|---|
| 98 |
|
|---|
| 99 | <para os="s">Install the package:</para>
|
|---|
| 100 |
|
|---|
| 101 | <screen os="t"><userinput>make install</userinput></screen>
|
|---|
| 102 |
|
|---|
| 103 | <para os="w">Create a link to satisfy FHS requirements:</para>
|
|---|
| 104 |
|
|---|
| 105 | <screen os="x"><userinput>ln -sv ../usr/bin/cpp /lib</userinput></screen>
|
|---|
| 106 |
|
|---|
| 107 | <para os="y">Many packages use the name <command>cc</command> to call the C
|
|---|
| 108 | compiler. To satisfy those packages, create a symlink:</para>
|
|---|
| 109 |
|
|---|
| 110 | <screen os="z"><userinput>ln -sv gcc /usr/bin/cc</userinput></screen>
|
|---|
| 111 |
|
|---|
| 112 | <para os="aa">Finally, move a misplaced file:</para>
|
|---|
| 113 |
|
|---|
| 114 | <screen os="ab"><userinput>mv -v /usr/lib/libstdc++*gdb.py /usr/share/gdb/auto-load/usr/lib</userinput></screen>
|
|---|
| 115 |
|
|---|
| 116 | </sect2>
|
|---|
| 117 |
|
|---|
| 118 | <sect2 id="contents-gcc" role="content">
|
|---|
| 119 | <title>Contents of GCC</title>
|
|---|
| 120 |
|
|---|
| 121 | <segmentedlist>
|
|---|
| 122 | <segtitle>Installed programs</segtitle>
|
|---|
| 123 | <segtitle>Installed libraries</segtitle>
|
|---|
| 124 | <segtitle>Installed directories</segtitle>
|
|---|
| 125 |
|
|---|
| 126 | <seglistitem>
|
|---|
| 127 | <seg>c++, cc (link to gcc), cpp, g++, gcc, gcov, gcov-tool</seg>
|
|---|
| 128 | <seg>libasan.[a,so], libatomic.[a,so], libcc1.so, libcilkrts.[a,so],
|
|---|
| 129 | libgcc.a, libgcc_eh.a, libgcc_s.so, libgcov.a, libgomp.[a,so],
|
|---|
| 130 | libiberty.a, libitm.[a,so], liblsan.[a,so], liblto_plugin.so,
|
|---|
| 131 | libquadmath.[a,so], libssp.[a,so], libssp_nonshared.a,
|
|---|
| 132 | libstdc++.[a,so], libsupc++.a, libtsan.[a,so], libubsan.[a,so],
|
|---|
| 133 | libvtv.[a,so]</seg>
|
|---|
| 134 | <seg>/usr/include/[c++,libiberty], /usr/lib/gcc,
|
|---|
| 135 | /usr/share/gcc-&gcc-version;</seg>
|
|---|
| 136 | </seglistitem>
|
|---|
| 137 | </segmentedlist>
|
|---|
| 138 |
|
|---|
| 139 | <variablelist>
|
|---|
| 140 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
|
|---|
| 141 | <?dbfo list-presentation="list"?>
|
|---|
| 142 | <?dbhtml list-presentation="table"?>
|
|---|
| 143 |
|
|---|
| 144 | <varlistentry id="cc">
|
|---|
| 145 | <term><command>cc</command></term>
|
|---|
| 146 | <listitem>
|
|---|
| 147 | <para>The C compiler</para>
|
|---|
| 148 | <indexterm zone="ch-system-gcc cc">
|
|---|
| 149 | <primary sortas="b-cc">cc</primary>
|
|---|
| 150 | </indexterm>
|
|---|
| 151 | </listitem>
|
|---|
| 152 | </varlistentry>
|
|---|
| 153 |
|
|---|
| 154 | <varlistentry id="cpp">
|
|---|
| 155 | <term><command>cpp</command></term>
|
|---|
| 156 | <listitem>
|
|---|
| 157 | <para>The C preprocessor; it is used by the compiler to expand the
|
|---|
| 158 | #include, #define, and similar statements in the source files</para>
|
|---|
| 159 | <indexterm zone="ch-system-gcc cpp">
|
|---|
| 160 | <primary sortas="b-cpp">cpp</primary>
|
|---|
| 161 | </indexterm>
|
|---|
| 162 | </listitem>
|
|---|
| 163 | </varlistentry>
|
|---|
| 164 |
|
|---|
| 165 | <varlistentry id="c">
|
|---|
| 166 | <term><command>c++</command></term>
|
|---|
| 167 | <listitem>
|
|---|
| 168 | <para>The C++ compiler</para>
|
|---|
| 169 | <indexterm zone="ch-system-gcc c">
|
|---|
| 170 | <primary sortas="b-c++">c++</primary>
|
|---|
| 171 | </indexterm>
|
|---|
| 172 | </listitem>
|
|---|
| 173 | </varlistentry>
|
|---|
| 174 |
|
|---|
| 175 | <varlistentry id="g">
|
|---|
| 176 | <term><command>g++</command></term>
|
|---|
| 177 | <listitem>
|
|---|
| 178 | <para>The C++ compiler</para>
|
|---|
| 179 | <indexterm zone="ch-system-gcc g">
|
|---|
| 180 | <primary sortas="b-g++">g++</primary>
|
|---|
| 181 | </indexterm>
|
|---|
| 182 | </listitem>
|
|---|
| 183 | </varlistentry>
|
|---|
| 184 |
|
|---|
| 185 | <varlistentry id="gcc">
|
|---|
| 186 | <term><command>gcc</command></term>
|
|---|
| 187 | <listitem>
|
|---|
| 188 | <para>The C compiler</para>
|
|---|
| 189 | <indexterm zone="ch-system-gcc gcc">
|
|---|
| 190 | <primary sortas="b-gcc">gcc</primary>
|
|---|
| 191 | </indexterm>
|
|---|
| 192 | </listitem>
|
|---|
| 193 | </varlistentry>
|
|---|
| 194 |
|
|---|
| 195 | <varlistentry id="gcov">
|
|---|
| 196 | <term><command>gcov</command></term>
|
|---|
| 197 | <listitem>
|
|---|
| 198 | <para>A coverage testing tool; it is used to analyze programs to
|
|---|
| 199 | determine where optimizations will have the most effect</para>
|
|---|
| 200 | <indexterm zone="ch-system-gcc gcov">
|
|---|
| 201 | <primary sortas="b-gcov">gcov</primary>
|
|---|
| 202 | </indexterm>
|
|---|
| 203 | </listitem>
|
|---|
| 204 | </varlistentry>
|
|---|
| 205 |
|
|---|
| 206 | <varlistentry id="gcovtool">
|
|---|
| 207 | <term><command>gcov-tool</command></term>
|
|---|
| 208 | <listitem>
|
|---|
| 209 | <para>An offline tool to handle gcda counts</para>
|
|---|
| 210 | <indexterm zone="ch-system-gcc gcovtool">
|
|---|
| 211 | <primary sortas="b-gcov-tool">gcov-tool</primary>
|
|---|
| 212 | </indexterm>
|
|---|
| 213 | </listitem>
|
|---|
| 214 | </varlistentry>
|
|---|
| 215 |
|
|---|
| 216 | <varlistentry id="libasan">
|
|---|
| 217 | <term><filename class="libraryfile">libasan</filename></term>
|
|---|
| 218 | <listitem>
|
|---|
| 219 | <para>The Address Sanitizer runtime library</para>
|
|---|
| 220 | <indexterm zone="ch-system-gcc libasan">
|
|---|
| 221 | <primary sortas="c-libasan">libasan</primary>
|
|---|
| 222 | </indexterm>
|
|---|
| 223 | </listitem>
|
|---|
| 224 | </varlistentry>
|
|---|
| 225 |
|
|---|
| 226 | <varlistentry id="libatomic">
|
|---|
| 227 | <term><filename class="libraryfile">libatomic</filename></term>
|
|---|
| 228 | <listitem>
|
|---|
| 229 | <para>A GCC support runtime library for atomic operations not
|
|---|
| 230 | supported by hardware</para>
|
|---|
| 231 | <indexterm zone="ch-system-gcc libatomic">
|
|---|
| 232 | <primary sortas="c-libatomic">libatomic</primary>
|
|---|
| 233 | </indexterm>
|
|---|
| 234 | </listitem>
|
|---|
| 235 | </varlistentry>
|
|---|
| 236 |
|
|---|
| 237 | <varlistentry id="libcc1">
|
|---|
| 238 | <term><filename class="libraryfile">libcc1</filename></term>
|
|---|
| 239 | <listitem>
|
|---|
| 240 | <para>Translates API into RPC calls</para>
|
|---|
| 241 | <indexterm zone="ch-system-gcc libcc1">
|
|---|
| 242 | <primary sortas="c-libcc1">libcc1</primary>
|
|---|
| 243 | </indexterm>
|
|---|
| 244 | </listitem>
|
|---|
| 245 | </varlistentry>
|
|---|
| 246 |
|
|---|
| 247 | <varlistentry id="libcilkrts">
|
|---|
| 248 | <term><filename class="libraryfile">libcilkrts</filename></term>
|
|---|
| 249 | <listitem>
|
|---|
| 250 | <para>Intel® Cilk™ Plus runtime library</para>
|
|---|
| 251 | <indexterm zone="ch-system-gcc libcilkrts">
|
|---|
| 252 | <primary sortas="c-libcilkrts">libcilkrts</primary>
|
|---|
| 253 | </indexterm>
|
|---|
| 254 | </listitem>
|
|---|
| 255 | </varlistentry>
|
|---|
| 256 |
|
|---|
| 257 | <varlistentry id="libgcc">
|
|---|
| 258 | <term><filename class="libraryfile">libgcc</filename></term>
|
|---|
| 259 | <listitem>
|
|---|
| 260 | <para>Contains run-time support for <command>gcc</command></para>
|
|---|
| 261 | <indexterm zone="ch-system-gcc libgcc">
|
|---|
| 262 | <primary sortas="c-libgcc*">libgcc*</primary>
|
|---|
| 263 | </indexterm>
|
|---|
| 264 | </listitem>
|
|---|
| 265 | </varlistentry>
|
|---|
| 266 |
|
|---|
| 267 | <varlistentry id="libgcov">
|
|---|
| 268 | <term><filename class="libraryfile">libgcov</filename></term>
|
|---|
| 269 | <listitem>
|
|---|
| 270 | <para>Library that is linked into a program when
|
|---|
| 271 | <command>gcc</command> is instructed to enable profiling</para>
|
|---|
| 272 | <indexterm zone="ch-system-gcc libgcov">
|
|---|
| 273 | <primary sortas="c-libgcov">libgcov</primary>
|
|---|
| 274 | </indexterm>
|
|---|
| 275 | </listitem>
|
|---|
| 276 | </varlistentry>
|
|---|
| 277 |
|
|---|
| 278 | <varlistentry id="libgomp">
|
|---|
| 279 | <term><filename class="libraryfile">libgomp</filename></term>
|
|---|
| 280 | <listitem>
|
|---|
| 281 | <para>GNU implementation of the OpenMP API for multi-platform
|
|---|
| 282 | shared-memory parallel programming in C/C++ and Fortran</para>
|
|---|
| 283 | <indexterm zone="ch-system-gcc libgomp">
|
|---|
| 284 | <primary sortas="c-libgomp">libgomp</primary>
|
|---|
| 285 | </indexterm>
|
|---|
| 286 | </listitem>
|
|---|
| 287 | </varlistentry>
|
|---|
| 288 |
|
|---|
| 289 | <varlistentry id="libiberty">
|
|---|
| 290 | <term><filename class="libraryfile">libiberty</filename></term>
|
|---|
| 291 | <listitem>
|
|---|
| 292 | <para>Contains routines used by various GNU programs, including
|
|---|
| 293 | <command>getopt</command>, <command>obstack</command>,
|
|---|
| 294 | <command>strerror</command>, <command>strtol</command>, and
|
|---|
| 295 | <command>strtoul</command></para>
|
|---|
| 296 | <indexterm zone="ch-system-gcc libiberty">
|
|---|
| 297 | <primary sortas="c-libiberty">libiberty</primary>
|
|---|
| 298 | </indexterm>
|
|---|
| 299 | </listitem>
|
|---|
| 300 | </varlistentry>
|
|---|
| 301 |
|
|---|
| 302 | <varlistentry id="libitm">
|
|---|
| 303 | <term><filename class="libraryfile">libitm</filename></term>
|
|---|
| 304 | <listitem>
|
|---|
| 305 | <para>The GNU Transactional Memory Library, which provides
|
|---|
| 306 | transaction support for accesses to a process's memory</para>
|
|---|
| 307 | <indexterm zone="ch-system-gcc libitm">
|
|---|
| 308 | <primary sortas="c-libitm*">libitm*</primary>
|
|---|
| 309 | </indexterm>
|
|---|
| 310 | </listitem>
|
|---|
| 311 | </varlistentry>
|
|---|
| 312 |
|
|---|
| 313 | <varlistentry id="liblsan">
|
|---|
| 314 | <term><filename class="libraryfile">liblsan</filename></term>
|
|---|
| 315 | <listitem>
|
|---|
| 316 | <para>The Leak Sanitizer runtime library</para>
|
|---|
| 317 | <indexterm zone="ch-system-gcc liblsan">
|
|---|
| 318 | <primary sortas="c-liblsan">liblsan</primary>
|
|---|
| 319 | </indexterm>
|
|---|
| 320 | </listitem>
|
|---|
| 321 | </varlistentry>
|
|---|
| 322 |
|
|---|
| 323 | <varlistentry id="liblto_plugin">
|
|---|
| 324 | <term><filename class="libraryfile">liblto_plugin</filename></term>
|
|---|
| 325 | <listitem>
|
|---|
| 326 | <para>Runtime library for GCC's link-time optimization plugin</para>
|
|---|
| 327 | <indexterm zone="ch-system-gcc liblto_plugin">
|
|---|
| 328 | <primary sortas="c-liblto_plugin">liblto_plugin</primary>
|
|---|
| 329 | </indexterm>
|
|---|
| 330 | </listitem>
|
|---|
| 331 | </varlistentry>
|
|---|
| 332 |
|
|---|
| 333 | <varlistentry id="libquadmath">
|
|---|
| 334 | <term><filename class="libraryfile">libquadmath</filename></term>
|
|---|
| 335 | <listitem>
|
|---|
| 336 | <para>The GCC Quad-Precision Math Libarary API</para>
|
|---|
| 337 | <indexterm zone="ch-system-gcc libquadmath">
|
|---|
| 338 | <primary sortas="c-libquadmath*">libquadmath*</primary>
|
|---|
| 339 | </indexterm>
|
|---|
| 340 | </listitem>
|
|---|
| 341 | </varlistentry>
|
|---|
| 342 |
|
|---|
| 343 | <varlistentry id="libssp">
|
|---|
| 344 | <term><filename class="libraryfile">libssp</filename></term>
|
|---|
| 345 | <listitem>
|
|---|
| 346 | <para>Contains routines supporting GCC's stack-smashing protection
|
|---|
| 347 | functionality</para>
|
|---|
| 348 | <indexterm zone="ch-system-gcc libssp">
|
|---|
| 349 | <primary sortas="c-libssp*">libssp*</primary>
|
|---|
| 350 | </indexterm>
|
|---|
| 351 | </listitem>
|
|---|
| 352 | </varlistentry>
|
|---|
| 353 |
|
|---|
| 354 | <varlistentry id="libstdc">
|
|---|
| 355 | <term><filename class="libraryfile">libstdc++</filename></term>
|
|---|
| 356 | <listitem>
|
|---|
| 357 | <para>The standard C++ library</para>
|
|---|
| 358 | <indexterm zone="ch-system-gcc libstdc">
|
|---|
| 359 | <primary sortas="c-libstdc++">libstdc++</primary>
|
|---|
| 360 | </indexterm>
|
|---|
| 361 | </listitem>
|
|---|
| 362 | </varlistentry>
|
|---|
| 363 |
|
|---|
| 364 | <varlistentry id="libsupc">
|
|---|
| 365 | <term><filename class="libraryfile">libsupc++</filename></term>
|
|---|
| 366 | <listitem>
|
|---|
| 367 | <para>Provides supporting routines for the C++ programming
|
|---|
| 368 | language</para>
|
|---|
| 369 | <indexterm zone="ch-system-gcc libsupc">
|
|---|
| 370 | <primary sortas="c-libsupc++">libsupc++</primary>
|
|---|
| 371 | </indexterm>
|
|---|
| 372 | </listitem>
|
|---|
| 373 | </varlistentry>
|
|---|
| 374 |
|
|---|
| 375 | <varlistentry id="libtsan">
|
|---|
| 376 | <term><filename class="libraryfile">libtsan</filename></term>
|
|---|
| 377 | <listitem>
|
|---|
| 378 | <para>The Thread Sanitizer runtime library</para>
|
|---|
| 379 | <indexterm zone="ch-system-gcc libtsan">
|
|---|
| 380 | <primary sortas="c-libtsan">libtsan</primary>
|
|---|
| 381 | </indexterm>
|
|---|
| 382 | </listitem>
|
|---|
| 383 | </varlistentry>
|
|---|
| 384 |
|
|---|
| 385 | <varlistentry id="libubsan">
|
|---|
| 386 | <term><filename class="libraryfile">libubsan</filename></term>
|
|---|
| 387 | <listitem>
|
|---|
| 388 | <para>The Undefined Beahvior Sanitizer runtime library</para>
|
|---|
| 389 | <indexterm zone="ch-system-gcc libubsan">
|
|---|
| 390 | <primary sortas="c-libubsan">libubsan</primary>
|
|---|
| 391 | </indexterm>
|
|---|
| 392 | </listitem>
|
|---|
| 393 | </varlistentry>
|
|---|
| 394 |
|
|---|
| 395 | <varlistentry id="libvtv">
|
|---|
| 396 | <term><filename class="libraryfile">libvtv</filename></term>
|
|---|
| 397 | <listitem>
|
|---|
| 398 | <para>The Virtual Table Verification runtime library</para>
|
|---|
| 399 | <indexterm zone="ch-system-gcc libvtv">
|
|---|
| 400 | <primary sortas="c-libvtv">libvtv</primary>
|
|---|
| 401 | </indexterm>
|
|---|
| 402 | </listitem>
|
|---|
| 403 | </varlistentry>
|
|---|
| 404 |
|
|---|
| 405 | </variablelist>
|
|---|
| 406 |
|
|---|
| 407 | </sect2>
|
|---|
| 408 |
|
|---|
| 409 | </sect1>
|
|---|
