source: chapter06/gcc.xml@ ae7f075

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Update to trunk r11877

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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-ch6-sbu;</seg>
35 <seg>&gcc-ch6-du;</seg>
36 </seglistitem>
37 </segmentedlist>
38
39 </sect2>
40
41 <sect2 role="installation">
42 <title>Installation of GCC</title>
43
44 <para>If building on x86_64, change the default directory name for 64-bit
45 libraries to <quote>lib</quote>:</para>
46
47<screen><userinput remap="pre">case $(uname -m) in
48 x86_64)
49 sed -e '/m64=/s/lib64/lib/' \
50 -i.orig gcc/config/i386/t-linux64
51 ;;
52esac</userinput></screen>
53
54 <para>The GCC documentation recommends building GCC in a dedicated build directory:</para>
55
56<screen><userinput remap="pre">mkdir -v build
57cd build</userinput></screen>
58
59 <para>Prepare GCC for compilation:</para>
60
61<screen><userinput remap="configure">../configure --prefix=/usr \
62 LD=ld \
63 --enable-languages=c,c++ \
64 --disable-multilib \
65 --disable-bootstrap \
66 --with-system-zlib</userinput></screen>
67
68 <para>Note that for other languages, there are some prerequisites that
69 are not yet available. See the
70 <ulink url="&blfs-book;general/gcc.html">BLFS Book</ulink>
71 for instructions on how to build all of GCC's supported languages.</para>
72
73 <variablelist>
74 <title>The meaning of the new configure parameter:</title>
75
76 <varlistentry>
77 <term><parameter>--with-system-zlib</parameter></term>
78 <listitem>
79 <para>This switch tells GCC to link to the system installed copy of
80 the Zlib library, rather than its own internal copy.</para>
81 </listitem>
82 </varlistentry>
83 </variablelist>
84
85 <para>Compile the package:</para>
86
87<screen><userinput remap="make">make</userinput></screen>
88
89 <important>
90 <para>In this section, the test suite for GCC is considered
91 critical. Do not skip it under any circumstance.</para>
92 </important>
93
94 <para>One set of tests in the GCC test suite is known to exhaust the stack,
95 so increase the stack size prior to running the tests:</para>
96
97<screen><userinput remap="test">ulimit -s 32768</userinput></screen>
98
99 <para>Test the results as a non-privileged user, but do not stop at errors:</para>
100
101<screen><userinput remap="test">chown -Rv tester .
102su tester -c "PATH=$PATH make -k check"</userinput></screen>
103
104 <para>To receive a summary of the test suite results, run:</para>
105
106<screen><userinput remap="test">../contrib/test_summary</userinput></screen>
107
108 <para>For only the summaries, pipe the output through
109 <userinput>grep -A7 Summ</userinput>.</para>
110
111 <para>Results can be compared with those located at <ulink
112 url="&test-results;"/> and
113 <ulink url="https://gcc.gnu.org/ml/gcc-testresults/"/>.</para>
114
115 <para>Six tests related to get_time are known to fail. These are
116 apparently related to the en_HK locale.</para>
117
118 <para>Two tests named lookup.cc and reverse.cc in experimental/net
119 are known to fail in LFS chroot environment because they require
120 /etc/hosts and iana-etc.</para>
121
122 <para>A few unexpected failures cannot always be avoided. The GCC developers
123 are usually aware of these issues, but have not resolved them yet.
124 Unless the test results are vastly different from those at the above URL,
125 it is safe to continue.</para>
126
127 <!--note><para>
128 On some combinations of kernel configuration and AMD processors
129 there may be more than 1100 failures in the gcc.target/i386/mpx
130 tests (which are designed to test the MPX option on recent
131 Intel processors). These can safely be ignored on AMD
132 processors. These tests will also fail on Intel processors if MPX support
133 is not enabled in the kernel even though it is present on the CPU.
134 </para></note-->
135
136 <para>Install the package and remove an unneeded directory:</para>
137
138<screen><userinput remap="install">make install
139rm -rf /usr/lib/gcc/$(gcc -dumpmachine)/&gcc-version;/include-fixed/bits/</userinput></screen>
140
141 <para>The GCC build directory is owned by <systemitem class="username">
142 tester</systemitem> now and the ownership of the installed header
143 directory (and its content) will be incorrect. Change the ownership to
144 <systemitem class="username">root</systemitem> user and group:</para>
145
146<screen><userinput remap="install">chown -v -R root:root \
147 /usr/lib/gcc/*linux-gnu/&gcc-version;/include{,-fixed}</userinput></screen>
148
149 <para>Create a symlink required by the <ulink
150 url="https://refspecs.linuxfoundation.org/FHS_3.0/fhs/ch03s09.html">FHS</ulink>
151 for "historical" reasons.</para>
152
153<screen><userinput remap="install">ln -sv ../usr/bin/cpp /lib</userinput></screen>
154 <!-- already done earlier
155 <para>Many packages use the name <command>cc</command> to call the C
156 compiler. To satisfy those packages, create a symlink:</para>
157
158<screen><userinput remap="install">ln -sv gcc /usr/bin/cc</userinput></screen>
159 -->
160 <para>Add a compatibility symlink to enable building programs with
161 Link Time Optimization (LTO):</para>
162
163<screen><userinput remap="install">install -v -dm755 /usr/lib/bfd-plugins
164ln -sfv ../../libexec/gcc/$(gcc -dumpmachine)/&gcc-version;/liblto_plugin.so \
165 /usr/lib/bfd-plugins/</userinput></screen>
166
167 <para>Now that our final toolchain is in place, it is important to again ensure
168 that compiling and linking will work as expected. We do this by performing
169 the same sanity checks as we did earlier in the chapter:</para>
170
171 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
172 href="adjusting.xml"
173 xpointer="xpointer(//*[@os='a'])"/>
174
175 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
176 href="adjusting.xml"
177 xpointer="xpointer(//*[@os='b'])"/>
178
179 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
180 href="adjusting.xml"
181 xpointer="xpointer(//*[@os='c'])"/>
182
183 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
184 href="adjusting.xml"
185 xpointer="xpointer(//*[@os='d'])"/>
186
187 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
188 href="adjusting.xml"
189 xpointer="xpointer(//*[@os='e'])"/>
190
191 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
192 href="adjusting.xml"
193 xpointer="xpointer(//*[@os='f'])"/>
194
195<screen><computeroutput>/usr/lib/gcc/x86_64-pc-linux-gnu/&gcc-version;/../../../../lib/crt1.o succeeded
196/usr/lib/gcc/x86_64-pc-linux-gnu/&gcc-version;/../../../../lib/crti.o succeeded
197/usr/lib/gcc/x86_64-pc-linux-gnu/&gcc-version;/../../../../lib/crtn.o succeeded</computeroutput></screen>
198
199 <para>Depending on your machine architecture, the above may differ slightly,
200 the difference usually being the name of the directory
201 after <filename class="directory">/usr/lib/gcc</filename>. The important
202 thing to look for here is that <command>gcc</command> has found all three
203 <filename>crt*.o</filename> files under the
204 <filename class="directory">/usr/lib</filename> directory.</para>
205
206 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
207 href="adjusting.xml"
208 xpointer="xpointer(//*[@os='g'])"/>
209
210<screen><userinput>grep -B4 '^ /usr/include' dummy.log</userinput></screen>
211
212 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
213 href="adjusting.xml"
214 xpointer="xpointer(//*[@os='h'])"/>
215
216<screen><computeroutput>#include &lt;...&gt; search starts here:
217 /usr/lib/gcc/x86_64-pc-linux-gnu/&gcc-version;/include
218 /usr/local/include
219 /usr/lib/gcc/x86_64-pc-linux-gnu/&gcc-version;/include-fixed
220 /usr/include</computeroutput></screen>
221
222 <para>Again, note that the directory named after your target triplet may be
223 different than the above, depending on your architecture.</para>
224
225<!-- This appears to be obsolete
226
227 <note><para>As of version 4.3.0, GCC now unconditionally installs the
228 <filename>limits.h</filename> file into the private
229 <filename class="directory">include-fixed</filename> directory, and that
230 directory is required to be in place.</para></note>
231-->
232
233 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
234 href="adjusting.xml"
235 xpointer="xpointer(//*[@os='i'])"/>
236
237 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
238 href="adjusting.xml"
239 xpointer="xpointer(//*[@os='j'])"/>
240
241 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
242 href="adjusting.xml"
243 xpointer="xpointer(//*[@os='k'])"/>
244
245<screen><computeroutput>SEARCH_DIR("/usr/x86_64-pc-linux-gnu/lib64")
246SEARCH_DIR("/usr/local/lib64")
247SEARCH_DIR("/lib64")
248SEARCH_DIR("/usr/lib64")
249SEARCH_DIR("/usr/x86_64-pc-linux-gnu/lib")
250SEARCH_DIR("/usr/local/lib")
251SEARCH_DIR("/lib")
252SEARCH_DIR("/usr/lib");</computeroutput></screen>
253
254 <para>A 32-bit system may see a few different directories. For example, here
255 is the output from an i686 machine:</para>
256
257<screen><computeroutput>SEARCH_DIR("/usr/i686-pc-linux-gnu/lib32")
258SEARCH_DIR("/usr/local/lib32")
259SEARCH_DIR("/lib32")
260SEARCH_DIR("/usr/lib32")
261SEARCH_DIR("/usr/i686-pc-linux-gnu/lib")
262SEARCH_DIR("/usr/local/lib")
263SEARCH_DIR("/lib")
264SEARCH_DIR("/usr/lib");</computeroutput></screen>
265
266 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
267 href="adjusting.xml"
268 xpointer="xpointer(//*[@os='l'])"/>
269
270 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
271 href="adjusting.xml"
272 xpointer="xpointer(//*[@os='m'])"/>
273
274 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
275 href="adjusting.xml"
276 xpointer="xpointer(//*[@os='n'])"/>
277
278 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
279 href="adjusting.xml"
280 xpointer="xpointer(//*[@os='o'])"/>
281
282 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
283 href="adjusting.xml"
284 xpointer="xpointer(//*[@os='p'])"/>
285
286 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
287 href="adjusting.xml"
288 xpointer="xpointer(//*[@os='q'])"/>
289
290 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
291 href="adjusting.xml"
292 xpointer="xpointer(//*[@os='r'])"/>
293
294 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
295 href="adjusting.xml"
296 xpointer="xpointer(//*[@os='s'])"/>
297
298 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
299 href="adjusting.xml"
300 xpointer="xpointer(//*[@os='t'])"/>
301
302 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
303 href="adjusting.xml"
304 xpointer="xpointer(//*[@os='u'])"/>
305
306 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
307 href="adjusting.xml"
308 xpointer="xpointer(//*[@os='v'])"/>
309
310 <para>Finally, move a misplaced file:</para>
311
312<screen><userinput remap="install">mkdir -pv /usr/share/gdb/auto-load/usr/lib
313mv -v /usr/lib/*gdb.py /usr/share/gdb/auto-load/usr/lib</userinput></screen>
314
315 </sect2>
316
317 <sect2 id="contents-gcc" role="content">
318 <title>Contents of GCC</title>
319
320 <segmentedlist>
321 <segtitle>Installed programs</segtitle>
322 <segtitle>Installed libraries</segtitle>
323 <segtitle>Installed directories</segtitle>
324
325 <seglistitem>
326 <seg>c++, cc (link to gcc), cpp, g++, gcc,
327 gcc-ar, gcc-nm, gcc-ranlib, gcov, gcov-dump, and gcov-tool</seg>
328
329 <seg>libasan.{a,so}, libatomic.{a,so}, libcc1.so, libgcc.a, libgcc_eh.a,
330 libgcc_s.so, libgcov.a, libgomp.{a,so}, libitm.{a,so},
331 liblsan.{a,so}, liblto_plugin.so,
332 libquadmath.{a,so}, libssp.{a,so}, libssp_nonshared.a,
333 libstdc++.{a,so}, libstdc++fs.a, libsupc++.a, libtsan.{a,so},
334 and libubsan.{a,so}</seg>
335
336 <seg>/usr/include/c++, /usr/lib/gcc, /usr/libexec/gcc, and
337 /usr/share/gcc-&gcc-version;</seg>
338 </seglistitem>
339 </segmentedlist>
340
341 <variablelist>
342 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
343 <?dbfo list-presentation="list"?>
344 <?dbhtml list-presentation="table"?>
345
346 <varlistentry id="c">
347 <term><command>c++</command></term>
348 <listitem>
349 <para>The C++ compiler</para>
350 <indexterm zone="ch-system-gcc c">
351 <primary sortas="b-c++">c++</primary>
352 </indexterm>
353 </listitem>
354 </varlistentry>
355
356 <varlistentry id="cc">
357 <term><command>cc</command></term>
358 <listitem>
359 <para>The C compiler</para>
360 <indexterm zone="ch-system-gcc cc">
361 <primary sortas="b-cc">cc</primary>
362 </indexterm>
363 </listitem>
364 </varlistentry>
365
366 <varlistentry id="cpp">
367 <term><command>cpp</command></term>
368 <listitem>
369 <para>The C preprocessor; it is used by the compiler to expand the
370 #include, #define, and similar statements in the source files</para>
371 <indexterm zone="ch-system-gcc cpp">
372 <primary sortas="b-cpp">cpp</primary>
373 </indexterm>
374 </listitem>
375 </varlistentry>
376
377 <varlistentry id="g">
378 <term><command>g++</command></term>
379 <listitem>
380 <para>The C++ compiler</para>
381 <indexterm zone="ch-system-gcc g">
382 <primary sortas="b-g++">g++</primary>
383 </indexterm>
384 </listitem>
385 </varlistentry>
386
387 <varlistentry id="gcc">
388 <term><command>gcc</command></term>
389 <listitem>
390 <para>The C compiler</para>
391 <indexterm zone="ch-system-gcc gcc">
392 <primary sortas="b-gcc">gcc</primary>
393 </indexterm>
394 </listitem>
395 </varlistentry>
396
397 <varlistentry id="gcc-ar">
398 <term><command>gcc-ar</command></term>
399 <listitem>
400 <para>A wrapper around <command>ar</command> that adds a
401 plugin to the command line. This program is only used
402 to add "link time optimization" and is not useful with the
403 default build options</para>
404 <indexterm zone="ch-system-gcc gcc-ar">
405 <primary sortas="b-gcc-ar">gc-ar</primary>
406 </indexterm>
407 </listitem>
408 </varlistentry>
409
410 <varlistentry id="gcc-nm">
411 <term><command>gcc-nm</command></term>
412 <listitem>
413 <para>A wrapper around <command>nm</command> that adds a
414 plugin to the command line. This program is only used
415 to add "link time optimization" and is not useful with the
416 default build options</para>
417 <indexterm zone="ch-system-gcc gcc-nm">
418 <primary sortas="b-gcc-nm">gc-nm</primary>
419 </indexterm>
420 </listitem>
421 </varlistentry>
422
423 <varlistentry id="gcc-ranlib">
424 <term><command>gcc-ranlib</command></term>
425 <listitem>
426 <para>A wrapper around <command>ranlib</command> that adds a
427 plugin to the command line. This program is only used
428 to add "link time optimization" and is not useful with the
429 default build options</para>
430 <indexterm zone="ch-system-gcc gcc-ranlib">
431 <primary sortas="b-gcc-ranlib">gc-ranlib</primary>
432 </indexterm>
433 </listitem>
434 </varlistentry>
435
436 <varlistentry id="gcov">
437 <term><command>gcov</command></term>
438 <listitem>
439 <para>A coverage testing tool; it is used to analyze programs to
440 determine where optimizations will have the most effect</para>
441 <indexterm zone="ch-system-gcc gcov">
442 <primary sortas="b-gcov">gcov</primary>
443 </indexterm>
444 </listitem>
445 </varlistentry>
446
447 <varlistentry id="gcov-dump">
448 <term><command>gcov-dump</command></term>
449 <listitem>
450 <para>Offline gcda and gcno profile dump tool</para>
451 <indexterm zone="ch-system-gcc gcov-dump">
452 <primary sortas="b-gcov-dump">gcov-dump</primary>
453 </indexterm>
454 </listitem>
455 </varlistentry>
456
457 <varlistentry id="gcov-tool">
458 <term><command>gcov-tool</command></term>
459 <listitem>
460 <para>Offline gcda profile processing tool</para>
461 <indexterm zone="ch-system-gcc gcov-tool">
462 <primary sortas="b-gcov-tool">gcov-tool</primary>
463 </indexterm>
464 </listitem>
465 </varlistentry>
466
467 <varlistentry id="libasan">
468 <term><filename class="libraryfile">libasan</filename></term>
469 <listitem>
470 <para>The Address Sanitizer runtime library</para>
471 <indexterm zone="ch-system-gcc libasan">
472 <primary sortas="b-libasan">libasan</primary>
473 </indexterm>
474 </listitem>
475 </varlistentry>
476
477 <varlistentry id="libatomic">
478 <term><filename class="libraryfile">libatomic</filename></term>
479 <listitem>
480 <para>GCC atomic built-in runtime library</para>
481 <indexterm zone="ch-system-gcc libatomic">
482 <primary sortas="b-libatomic">libatomic</primary>
483 </indexterm>
484 </listitem>
485 </varlistentry>
486
487 <varlistentry id="libcc1">
488 <term><filename class="libraryfile">libcc1</filename></term>
489 <listitem>
490 <para>The C preprocessing library</para>
491 <indexterm zone="ch-system-gcc libcc1">
492 <primary sortas="b-libcc1">libcc1</primary>
493 </indexterm>
494 </listitem>
495 </varlistentry>
496
497 <varlistentry id="libgcc">
498 <term><filename class="libraryfile">libgcc</filename></term>
499 <listitem>
500 <para>Contains run-time support for <command>gcc</command></para>
501 <indexterm zone="ch-system-gcc libgcc">
502 <primary sortas="c-libgcc">libgcc</primary>
503 </indexterm>
504 </listitem>
505 </varlistentry>
506
507 <varlistentry id="libgcov">
508 <term><filename class="libraryfile">libgcov</filename></term>
509 <listitem>
510 <para>This library is linked in to a program when GCC is instructed
511 to enable profiling</para>
512 <indexterm zone="ch-system-gcc libgcov">
513 <primary sortas="c-libgcov">libgcov</primary>
514 </indexterm>
515 </listitem>
516 </varlistentry>
517
518 <varlistentry id="libgomp">
519 <term><filename class="libraryfile">libgomp</filename></term>
520 <listitem>
521 <para>GNU implementation of the OpenMP API for multi-platform
522 shared-memory parallel programming in C/C++ and Fortran</para>
523 <indexterm zone="ch-system-gcc libgomp">
524 <primary sortas="c-libgomp">libgomp</primary>
525 </indexterm>
526 </listitem>
527 </varlistentry>
528
529 <varlistentry id="liblsan">
530 <term><filename class="libraryfile">liblsan</filename></term>
531 <listitem>
532 <para>The Leak Sanitizer runtime library</para>
533 <indexterm zone="ch-system-gcc liblsan">
534 <primary sortas="c-liblsan">liblsan</primary>
535 </indexterm>
536 </listitem>
537 </varlistentry>
538
539 <varlistentry id="liblto_plugin">
540 <term><filename class="libraryfile">liblto_plugin</filename></term>
541 <listitem>
542 <para>GCC's Link Time Optimization (LTO) plugin allows GCC to perform
543 optimizations across compilation units</para>
544 <indexterm zone="ch-system-gcc liblto_plugin">
545 <primary sortas="c-liblto_plugin">liblto_plugin</primary>
546 </indexterm>
547 </listitem>
548 </varlistentry>
549
550 <varlistentry id="libquadmath">
551 <term><filename class="libraryfile">libquadmath</filename></term>
552 <listitem>
553 <para>GCC Quad Precision Math Library API</para>
554 <indexterm zone="ch-system-gcc libquadmath">
555 <primary sortas="c-libquadmath">libquadmath</primary>
556 </indexterm>
557 </listitem>
558 </varlistentry>
559
560 <varlistentry id="libssp">
561 <term><filename class="libraryfile">libssp</filename></term>
562 <listitem>
563 <para>Contains routines supporting GCC's stack-smashing protection
564 functionality</para>
565 <indexterm zone="ch-system-gcc libssp">
566 <primary sortas="c-libssp">libssp</primary>
567 </indexterm>
568 </listitem>
569 </varlistentry>
570
571 <varlistentry id="libstdc">
572 <term><filename class="libraryfile">libstdc++</filename></term>
573 <listitem>
574 <para>The standard C++ library</para>
575 <indexterm zone="ch-system-gcc libstdc">
576 <primary sortas="c-libstdc++">libstdc++</primary>
577 </indexterm>
578 </listitem>
579 </varlistentry>
580
581 <varlistentry id="libstdcfs">
582 <term><filename class="libraryfile">libstdc++fs</filename></term>
583 <listitem>
584 <para>ISO/IEC TS 18822:2015 Filesystem library</para>
585 <indexterm zone="ch-system-gcc libstdcfs">
586 <primary sortas="c-libstdc++fs">libstdc++fs</primary>
587 </indexterm>
588 </listitem>
589 </varlistentry>
590
591 <varlistentry id="libsupc">
592 <term><filename class="libraryfile">libsupc++</filename></term>
593 <listitem>
594 <para>Provides supporting routines for the C++ programming
595 language</para>
596 <indexterm zone="ch-system-gcc libsupc">
597 <primary sortas="c-libsupc++">libsupc++</primary>
598 </indexterm>
599 </listitem>
600 </varlistentry>
601
602 <varlistentry id="libtsan">
603 <term><filename class="libraryfile">libtsan</filename></term>
604 <listitem>
605 <para>The Thread Sanitizer runtime library</para>
606 <indexterm zone="ch-system-gcc libtsan">
607 <primary sortas="c-libtsan">libtsan</primary>
608 </indexterm>
609 </listitem>
610 </varlistentry>
611
612 <varlistentry id="libubsan">
613 <term><filename class="libraryfile">libubsan</filename></term>
614 <listitem>
615 <para>The Undefined Behavior Sanitizer runtime library</para>
616 <indexterm zone="ch-system-gcc libubsan">
617 <primary sortas="c-libubsan">libubsan</primary>
618 </indexterm>
619 </listitem>
620 </varlistentry>
621
622 </variablelist>
623
624 </sect2>
625
626</sect1>
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