source: chapter08/gcc.xml@ 0ebda11

ml-11.0 multilib
Last change on this file since 0ebda11 was 0ebda11, checked in by Thomas Trepl (Moody) <thomas@…>, 14 months ago

Remove entities for multilib pathes
Add usage of libc_cv_rtlddir

  • Property mode set to 100644
File size: 23.5 KB
Line 
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 <sect1info condition="script">
12 <productname>gcc</productname>
13 <productnumber>&gcc-version;</productnumber>
14 <address>&gcc-url;</address>
15 </sect1info>
16
17 <title>GCC-&gcc-version;</title>
18
19 <indexterm zone="ch-system-gcc">
20 <primary sortas="a-GCC">GCC</primary>
21 </indexterm>
22
23 <sect2 role="package">
24 <title/>
25
26 <para>The GCC package contains the GNU compiler collection, which includes
27 the C and C++ compilers.</para>
28
29 <segmentedlist>
30 <segtitle>&buildtime;</segtitle>
31 <segtitle>&diskspace;</segtitle>
32
33 <seglistitem>
34 <seg>&gcc-fin-sbu;</seg>
35 <seg>&gcc-fin-du;</seg>
36 </seglistitem>
37 </segmentedlist>
38
39 </sect2>
40
41 <sect2 role="installation">
42 <title>Installation of GCC</title>
43
44 <para arch="default">If building on x86_64, change the default directory name for 64-bit
45 libraries to <quote>lib</quote>:</para>
46
47<screen arch="default"><userinput remap="pre">case $(uname -m) in
48 x86_64)
49 sed -e '/m64=/s/lib64/lib/' \
50 -i.orig gcc/config/i386/t-linux64
51 ;;
52esac</userinput></screen>
53
54 <para arch="ml_32,ml_x32,ml_all">Change the default directory name for 64-bit
55 libraries to <quote>lib</quote>:</para>
56
57<screen arch="ml_32,ml_x32,ml_all"><userinput remap="pre">sed -e '/m64=/s/lib64/lib/' \
58 -e '/m32=/s/m32=.*/m32=..\/lib32$(call if_multiarch,:i386-linux-gnu)/' \
59 -i.orig gcc/config/i386/t-linux64</userinput></screen>
60
61 <para>The GCC documentation recommends building GCC in a dedicated build directory:</para>
62
63<screen><userinput remap="pre">mkdir -v build
64cd build</userinput></screen>
65
66 <para>Prepare GCC for compilation:</para>
67
68<screen arch="default"><userinput remap="configure">../configure --prefix=/usr \
69 LD=ld \
70 --enable-languages=c,c++ \
71 --disable-multilib \
72 --disable-bootstrap \
73 --with-system-zlib</userinput></screen>
74<screen arch="ml_32,ml_x32,ml_all"><userinput remap="configure"
75 arch="ml_32" >mlist=m64,m32</userinput><userinput remap="configure"
76 arch="ml_x32">mlist=m64,mx32</userinput><userinput remap="configure"
77 arch="ml_all">mlist=m64,m32,mx32</userinput>
78<userinput remap="configure">../configure --prefix=/usr \
79 LD=ld \
80 --enable-languages=c,c++ \
81 --enable-multilib \
82 --with-multilib-list=$mlist \
83 --disable-bootstrap \
84 --with-system-zlib</userinput></screen>
85
86 <para>Note that for other programming languages there are some prerequisites that
87 are not yet available. See the
88 <ulink url="&blfs-book;general/gcc.html">BLFS Book GCC page</ulink>
89 for instructions on how to build all of GCC's supported languages.</para>
90
91 <variablelist>
92 <title>The meaning of the new configure parameters:</title>
93
94 <varlistentry>
95 <term><parameter>LD=ld</parameter></term>
96 <listitem>
97 <para>This parameter makes the configure script use the ld installed
98 by the binutils built earlier in this chapter, rather than
99 the cross-built version which would otherwise be used.</para>
100 </listitem>
101 </varlistentry>
102
103 <varlistentry>
104 <term><parameter>--with-system-zlib</parameter></term>
105 <listitem>
106 <para>This switch tells GCC to link to the system installed copy of
107 the zlib library, rather than its own internal copy.</para>
108 </listitem>
109 </varlistentry>
110 </variablelist>
111
112 <para>Compile the package:</para>
113
114<screen><userinput remap="make">make</userinput></screen>
115
116 <important>
117 <para>In this section, the test suite for GCC is considered
118 critical. Do not skip it under any circumstance.</para>
119 </important>
120
121 <para>One set of tests in the GCC test suite is known to exhaust the default
122 stack, so increase the stack size prior to running the tests:</para>
123
124<screen><userinput remap="test">ulimit -s 32768</userinput></screen>
125
126 <para>Test the results as a non-privileged user, but do not stop at errors:</para>
127
128<screen><userinput remap="test">chown -Rv tester .
129su tester -c "PATH=$PATH make -k check"</userinput></screen>
130
131 <para>To receive a summary of the test suite results, run:</para>
132
133<screen><userinput remap="test">../contrib/test_summary</userinput></screen>
134
135 <para>For only the summaries, pipe the output through
136 <userinput>grep -A7 Summ</userinput>.</para>
137
138 <para>Results can be compared with those located at <ulink
139 url="&test-results;"/> and
140 <ulink url="https://gcc.gnu.org/ml/gcc-testresults/"/>.</para>
141
142 <para>Six tests related to get_time are known to fail. These are
143 apparently related to the en_HK locale.</para>
144
145 <para>Additionally, the test constexpr-52830 is known to fail.</para>
146
147<!--<para>Additionally the following tests related to the following files
148 are known to fail with glibc-2.33: asan_test.C, co-ret-17-void-ret-coro.C,
149 pr95519-05-gro.C, pr80166.c.</para>
150-->
151
152<!-- don't fail anymore after the move of iana-etc and /etc/hosts
153 <para>Two tests named lookup.cc and reverse.cc in experimental/net
154 are known to fail in LFS chroot environment because they require
155 /etc/hosts and iana-etc.</para>
156-->
157 <para>A few unexpected failures cannot always be avoided. The GCC developers
158 are usually aware of these issues, but have not resolved them yet.
159 Unless the test results are vastly different from those at the above URL,
160 it is safe to continue.</para>
161
162 <!--note><para>
163 On some combinations of kernel configuration and AMD processors
164 there may be more than 1100 failures in the gcc.target/i386/mpx
165 tests (which are designed to test the MPX option on recent
166 Intel processors). These can safely be ignored on AMD
167 processors. These tests will also fail on Intel processors if MPX support
168 is not enabled in the kernel even though it is present on the CPU.
169 </para></note-->
170
171 <para>Install the package and remove an unneeded directory:</para>
172
173<screen><userinput remap="install">make install
174rm -rf /usr/lib/gcc/$(gcc -dumpmachine)/&gcc-version;/include-fixed/bits/</userinput></screen>
175
176 <para>The GCC build directory is owned by <systemitem class="username">
177 tester</systemitem> now and the ownership of the installed header
178 directory (and its content) will be incorrect. Change the ownership to
179 <systemitem class="username">root</systemitem> user and group:</para>
180
181<screen><userinput remap="install">chown -v -R root:root \
182 /usr/lib/gcc/*linux-gnu/&gcc-version;/include{,-fixed}</userinput></screen>
183
184 <para>Create a symlink required by the <ulink
185 url="https://refspecs.linuxfoundation.org/FHS_3.0/fhs/ch03s09.html">FHS</ulink>
186 for "historical" reasons.</para>
187
188<screen><userinput remap="install">ln -svr /usr/bin/cpp /lib</userinput></screen>
189 <!-- already done earlier
190 <para>Many packages use the name <command>cc</command> to call the C
191 compiler. To satisfy those packages, create a symlink:</para>
192
193<screen><userinput remap="install">ln -sv gcc /usr/bin/cc</userinput></screen>
194 -->
195 <para>Add a compatibility symlink to enable building programs with
196 Link Time Optimization (LTO):</para>
197
198<screen><userinput remap="install">ln -sfv ../../libexec/gcc/$(gcc -dumpmachine)/&gcc-version;/liblto_plugin.so \
199 /usr/lib/bfd-plugins/</userinput></screen>
200
201 <para>Now that our final toolchain is in place, it is important to again ensure
202 that compiling and linking will work as expected. We do this by performing
203 some sanity checks:</para>
204
205 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
206 href="adjusting.xml"
207 xpointer="xpointer(//*[@os='a'])"/>
208
209 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
210 href="adjusting.xml"
211 xpointer="xpointer(//*[@os='b'])"/>
212
213 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
214 href="adjusting.xml"
215 xpointer="xpointer(//*[@os='c'])"/>
216
217 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
218 href="adjusting.xml"
219 xpointer="xpointer(//*[@os='d'])"/>
220
221 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
222 href="adjusting.xml"
223 xpointer="xpointer(//*[@os='e'])"/>
224
225 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
226 href="adjusting.xml"
227 xpointer="xpointer(//*[@os='f'])"/>
228
229<screen><computeroutput>/usr/lib/gcc/x86_64-pc-linux-gnu/&gcc-version;/../../../../lib/crt1.o succeeded
230/usr/lib/gcc/x86_64-pc-linux-gnu/&gcc-version;/../../../../lib/crti.o succeeded
231/usr/lib/gcc/x86_64-pc-linux-gnu/&gcc-version;/../../../../lib/crtn.o succeeded</computeroutput></screen>
232
233 <para>Depending on your machine architecture, the above may differ slightly.
234 The difference will be the name of the directory
235 after <filename class="directory">/usr/lib/gcc</filename>. The important
236 thing to look for here is that <command>gcc</command> has found all three
237 <filename>crt*.o</filename> files under the
238 <filename class="directory">/usr/lib</filename> directory.</para>
239
240 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
241 href="adjusting.xml"
242 xpointer="xpointer(//*[@os='g'])"/>
243
244<screen><userinput>grep -B4 '^ /usr/include' dummy.log</userinput></screen>
245
246 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
247 href="adjusting.xml"
248 xpointer="xpointer(//*[@os='h'])"/>
249
250<screen><computeroutput>#include &lt;...&gt; search starts here:
251 /usr/lib/gcc/x86_64-pc-linux-gnu/&gcc-version;/include
252 /usr/local/include
253 /usr/lib/gcc/x86_64-pc-linux-gnu/&gcc-version;/include-fixed
254 /usr/include</computeroutput></screen>
255
256 <para>Again, the directory named after your target triplet may be
257 different than the above, depending on your system architecture.</para>
258
259 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
260 href="adjusting.xml"
261 xpointer="xpointer(//*[@os='i'])"/>
262
263 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
264 href="adjusting.xml"
265 xpointer="xpointer(//*[@os='j'])"/>
266
267 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
268 href="adjusting.xml"
269 xpointer="xpointer(//*[@os='k'])"/>
270
271<screen><computeroutput>SEARCH_DIR("/usr/x86_64-pc-linux-gnu/lib64")
272SEARCH_DIR("/usr/local/lib64")
273SEARCH_DIR("/lib64")
274SEARCH_DIR("/usr/lib64")
275SEARCH_DIR("/usr/x86_64-pc-linux-gnu/lib")
276SEARCH_DIR("/usr/local/lib")
277SEARCH_DIR("/lib")
278SEARCH_DIR("/usr/lib");</computeroutput></screen>
279
280 <para arch="default">A 32-bit system may see a few different directories. For example, here
281 is the output from an i686 machine:</para>
282
283<!-- not using entities here as the dir names has nothing to do with multilib -->
284<screen arch="default"><computeroutput>SEARCH_DIR("/usr/i686-pc-linux-gnu/lib32")
285SEARCH_DIR("/usr/local/lib32")
286SEARCH_DIR("/lib32")
287SEARCH_DIR("/usr/lib32")
288SEARCH_DIR("/usr/i686-pc-linux-gnu/lib")
289SEARCH_DIR("/usr/local/lib")
290SEARCH_DIR("/lib")
291SEARCH_DIR("/usr/lib");</computeroutput></screen>
292
293 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
294 href="adjusting.xml"
295 xpointer="xpointer(//*[@os='l'])"/>
296
297 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
298 href="adjusting.xml"
299 xpointer="xpointer(//*[@os='m'])"/>
300
301 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
302 href="adjusting.xml"
303 xpointer="xpointer(//*[@os='n'])"/>
304
305 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
306 href="adjusting.xml"
307 xpointer="xpointer(//*[@os='o'])"/>
308
309 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
310 href="adjusting.xml"
311 xpointer="xpointer(//*[@os='p'])"/>
312
313 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
314 href="adjusting.xml"
315 xpointer="xpointer(//*[@os='q'])"/>
316
317 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
318 href="adjusting.xml"
319 xpointer="xpointer(//*[@os='r'])"/>
320
321 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
322 href="adjusting.xml"
323 xpointer="xpointer(//*[@os='s'])"/>
324
325 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
326 href="adjusting.xml"
327 xpointer="xpointer(//*[@os='t'])"/>
328
329 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
330 href="adjusting.xml"
331 xpointer="xpointer(//*[@os='u'])"/>
332
333 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
334 href="adjusting.xml"
335 xpointer="xpointer(//*[@os='v'])"/>
336
337 <para>Finally, move a misplaced file:</para>
338
339<screen><userinput remap="install">mkdir -pv /usr/share/gdb/auto-load/usr/lib
340mv -v /usr/lib/*gdb.py /usr/share/gdb/auto-load/usr/lib</userinput></screen>
341
342 </sect2>
343
344 <sect2 id="contents-gcc" role="content">
345 <title>Contents of GCC</title>
346
347 <segmentedlist>
348 <segtitle>Installed programs</segtitle>
349 <segtitle>Installed libraries</segtitle>
350 <segtitle>Installed directories</segtitle>
351
352 <seglistitem>
353 <seg>c++, cc (link to gcc), cpp, g++, gcc,
354 gcc-ar, gcc-nm, gcc-ranlib, gcov, gcov-dump, and gcov-tool</seg>
355
356 <seg>libasan.{a,so}, libatomic.{a,so}, libcc1.so, libgcc.a, libgcc_eh.a,
357 libgcc_s.so, libgcov.a, libgomp.{a,so}, libitm.{a,so},
358 liblsan.{a,so}, liblto_plugin.so,
359 libquadmath.{a,so}, libssp.{a,so}, libssp_nonshared.a,
360 libstdc++.{a,so}, libstdc++fs.a, libsupc++.a, libtsan.{a,so},
361 and libubsan.{a,so}</seg>
362
363 <seg>/usr/include/c++, /usr/lib/gcc, /usr/libexec/gcc, and
364 /usr/share/gcc-&gcc-version;</seg>
365 </seglistitem>
366 </segmentedlist>
367
368 <variablelist>
369 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
370 <?dbfo list-presentation="list"?>
371 <?dbhtml list-presentation="table"?>
372
373 <varlistentry id="c">
374 <term><command>c++</command></term>
375 <listitem>
376 <para>The C++ compiler</para>
377 <indexterm zone="ch-system-gcc c">
378 <primary sortas="b-c++">c++</primary>
379 </indexterm>
380 </listitem>
381 </varlistentry>
382
383 <varlistentry id="cc">
384 <term><command>cc</command></term>
385 <listitem>
386 <para>The C compiler</para>
387 <indexterm zone="ch-system-gcc cc">
388 <primary sortas="b-cc">cc</primary>
389 </indexterm>
390 </listitem>
391 </varlistentry>
392
393 <varlistentry id="cpp">
394 <term><command>cpp</command></term>
395 <listitem>
396 <para>The C preprocessor; it is used by the compiler to expand the
397 #include, #define, and similar statements in the source files</para>
398 <indexterm zone="ch-system-gcc cpp">
399 <primary sortas="b-cpp">cpp</primary>
400 </indexterm>
401 </listitem>
402 </varlistentry>
403
404 <varlistentry id="g">
405 <term><command>g++</command></term>
406 <listitem>
407 <para>The C++ compiler</para>
408 <indexterm zone="ch-system-gcc g">
409 <primary sortas="b-g++">g++</primary>
410 </indexterm>
411 </listitem>
412 </varlistentry>
413
414 <varlistentry id="gcc">
415 <term><command>gcc</command></term>
416 <listitem>
417 <para>The C compiler</para>
418 <indexterm zone="ch-system-gcc gcc">
419 <primary sortas="b-gcc">gcc</primary>
420 </indexterm>
421 </listitem>
422 </varlistentry>
423
424 <varlistentry id="gcc-ar">
425 <term><command>gcc-ar</command></term>
426 <listitem>
427 <para>A wrapper around <command>ar</command> that adds a
428 plugin to the command line. This program is only used
429 to add "link time optimization" and is not useful with the
430 default build options</para>
431 <indexterm zone="ch-system-gcc gcc-ar">
432 <primary sortas="b-gcc-ar">gc-ar</primary>
433 </indexterm>
434 </listitem>
435 </varlistentry>
436
437 <varlistentry id="gcc-nm">
438 <term><command>gcc-nm</command></term>
439 <listitem>
440 <para>A wrapper around <command>nm</command> that adds a
441 plugin to the command line. This program is only used
442 to add "link time optimization" and is not useful with the
443 default build options</para>
444 <indexterm zone="ch-system-gcc gcc-nm">
445 <primary sortas="b-gcc-nm">gc-nm</primary>
446 </indexterm>
447 </listitem>
448 </varlistentry>
449
450 <varlistentry id="gcc-ranlib">
451 <term><command>gcc-ranlib</command></term>
452 <listitem>
453 <para>A wrapper around <command>ranlib</command> that adds a
454 plugin to the command line. This program is only used
455 to add "link time optimization" and is not useful with the
456 default build options</para>
457 <indexterm zone="ch-system-gcc gcc-ranlib">
458 <primary sortas="b-gcc-ranlib">gc-ranlib</primary>
459 </indexterm>
460 </listitem>
461 </varlistentry>
462
463 <varlistentry id="gcov">
464 <term><command>gcov</command></term>
465 <listitem>
466 <para>A coverage testing tool; it is used to analyze programs to
467 determine where optimizations will have the most effect</para>
468 <indexterm zone="ch-system-gcc gcov">
469 <primary sortas="b-gcov">gcov</primary>
470 </indexterm>
471 </listitem>
472 </varlistentry>
473
474 <varlistentry id="gcov-dump">
475 <term><command>gcov-dump</command></term>
476 <listitem>
477 <para>Offline gcda and gcno profile dump tool</para>
478 <indexterm zone="ch-system-gcc gcov-dump">
479 <primary sortas="b-gcov-dump">gcov-dump</primary>
480 </indexterm>
481 </listitem>
482 </varlistentry>
483
484 <varlistentry id="gcov-tool">
485 <term><command>gcov-tool</command></term>
486 <listitem>
487 <para>Offline gcda profile processing tool</para>
488 <indexterm zone="ch-system-gcc gcov-tool">
489 <primary sortas="b-gcov-tool">gcov-tool</primary>
490 </indexterm>
491 </listitem>
492 </varlistentry>
493
494 <varlistentry id="libasan">
495 <term><filename class="libraryfile">libasan</filename></term>
496 <listitem>
497 <para>The Address Sanitizer runtime library</para>
498 <indexterm zone="ch-system-gcc libasan">
499 <primary sortas="b-libasan">libasan</primary>
500 </indexterm>
501 </listitem>
502 </varlistentry>
503
504 <varlistentry id="libatomic">
505 <term><filename class="libraryfile">libatomic</filename></term>
506 <listitem>
507 <para>GCC atomic built-in runtime library</para>
508 <indexterm zone="ch-system-gcc libatomic">
509 <primary sortas="b-libatomic">libatomic</primary>
510 </indexterm>
511 </listitem>
512 </varlistentry>
513
514 <varlistentry id="libcc1">
515 <term><filename class="libraryfile">libcc1</filename></term>
516 <listitem>
517 <para>The C preprocessing library</para>
518 <indexterm zone="ch-system-gcc libcc1">
519 <primary sortas="b-libcc1">libcc1</primary>
520 </indexterm>
521 </listitem>
522 </varlistentry>
523
524 <varlistentry id="libgcc">
525 <term><filename class="libraryfile">libgcc</filename></term>
526 <listitem>
527 <para>Contains run-time support for <command>gcc</command></para>
528 <indexterm zone="ch-system-gcc libgcc">
529 <primary sortas="c-libgcc">libgcc</primary>
530 </indexterm>
531 </listitem>
532 </varlistentry>
533
534 <varlistentry id="libgcov">
535 <term><filename class="libraryfile">libgcov</filename></term>
536 <listitem>
537 <para>This library is linked in to a program when GCC is instructed
538 to enable profiling</para>
539 <indexterm zone="ch-system-gcc libgcov">
540 <primary sortas="c-libgcov">libgcov</primary>
541 </indexterm>
542 </listitem>
543 </varlistentry>
544
545 <varlistentry id="libgomp">
546 <term><filename class="libraryfile">libgomp</filename></term>
547 <listitem>
548 <para>GNU implementation of the OpenMP API for multi-platform
549 shared-memory parallel programming in C/C++ and Fortran</para>
550 <indexterm zone="ch-system-gcc libgomp">
551 <primary sortas="c-libgomp">libgomp</primary>
552 </indexterm>
553 </listitem>
554 </varlistentry>
555
556 <varlistentry id="liblsan">
557 <term><filename class="libraryfile">liblsan</filename></term>
558 <listitem>
559 <para>The Leak Sanitizer runtime library</para>
560 <indexterm zone="ch-system-gcc liblsan">
561 <primary sortas="c-liblsan">liblsan</primary>
562 </indexterm>
563 </listitem>
564 </varlistentry>
565
566 <varlistentry id="liblto_plugin">
567 <term><filename class="libraryfile">liblto_plugin</filename></term>
568 <listitem>
569 <para>GCC's Link Time Optimization (LTO) plugin allows GCC to perform
570 optimizations across compilation units</para>
571 <indexterm zone="ch-system-gcc liblto_plugin">
572 <primary sortas="c-liblto_plugin">liblto_plugin</primary>
573 </indexterm>
574 </listitem>
575 </varlistentry>
576
577 <varlistentry id="libquadmath">
578 <term><filename class="libraryfile">libquadmath</filename></term>
579 <listitem>
580 <para>GCC Quad Precision Math Library API</para>
581 <indexterm zone="ch-system-gcc libquadmath">
582 <primary sortas="c-libquadmath">libquadmath</primary>
583 </indexterm>
584 </listitem>
585 </varlistentry>
586
587 <varlistentry id="libssp">
588 <term><filename class="libraryfile">libssp</filename></term>
589 <listitem>
590 <para>Contains routines supporting GCC's stack-smashing protection
591 functionality</para>
592 <indexterm zone="ch-system-gcc libssp">
593 <primary sortas="c-libssp">libssp</primary>
594 </indexterm>
595 </listitem>
596 </varlistentry>
597
598 <varlistentry id="libstdc">
599 <term><filename class="libraryfile">libstdc++</filename></term>
600 <listitem>
601 <para>The standard C++ library</para>
602 <indexterm zone="ch-system-gcc libstdc">
603 <primary sortas="c-libstdc++">libstdc++</primary>
604 </indexterm>
605 </listitem>
606 </varlistentry>
607
608 <varlistentry id="libstdcfs">
609 <term><filename class="libraryfile">libstdc++fs</filename></term>
610 <listitem>
611 <para>ISO/IEC TS 18822:2015 Filesystem library</para>
612 <indexterm zone="ch-system-gcc libstdcfs">
613 <primary sortas="c-libstdc++fs">libstdc++fs</primary>
614 </indexterm>
615 </listitem>
616 </varlistentry>
617
618 <varlistentry id="libsupc">
619 <term><filename class="libraryfile">libsupc++</filename></term>
620 <listitem>
621 <para>Provides supporting routines for the C++ programming
622 language</para>
623 <indexterm zone="ch-system-gcc libsupc">
624 <primary sortas="c-libsupc++">libsupc++</primary>
625 </indexterm>
626 </listitem>
627 </varlistentry>
628
629 <varlistentry id="libtsan">
630 <term><filename class="libraryfile">libtsan</filename></term>
631 <listitem>
632 <para>The Thread Sanitizer runtime library</para>
633 <indexterm zone="ch-system-gcc libtsan">
634 <primary sortas="c-libtsan">libtsan</primary>
635 </indexterm>
636 </listitem>
637 </varlistentry>
638
639 <varlistentry id="libubsan">
640 <term><filename class="libraryfile">libubsan</filename></term>
641 <listitem>
642 <para>The Undefined Behavior Sanitizer runtime library</para>
643 <indexterm zone="ch-system-gcc libubsan">
644 <primary sortas="c-libubsan">libubsan</primary>
645 </indexterm>
646 </listitem>
647 </varlistentry>
648
649 </variablelist>
650
651 </sect2>
652
653</sect1>
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