source: BOOK/final-system/common/gcc.xml @ 16fb2c3c

clfs-2.1clfs-3.0.0-systemdclfs-3.0.0-sysvinitsystemdsysvinit
Last change on this file since 16fb2c3c was 16fb2c3c, checked in by William Harrington <kb0iic@…>, 7 years ago

Increase stack size for gcc as a test failure will result if not increased.

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File size: 10.0 KB
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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  <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> subsitution that will
34    suppress the execution of the <command>fixincludes</command> script:</para>
35
36<screen os="fix2"><userinput>cp -v gcc/Makefile.in{,.orig}
37sed 's@\./fixinc\.sh@-c true@' gcc/Makefile.in.orig > gcc/Makefile.in</userinput></screen>
38
39    <para os="d">Apply a <command>sed</command> substitution that will suppress the
40    installation of <filename class="libraryfile">libiberty.a</filename>. The
41    version of <filename class="libraryfile">libiberty.a</filename> provided by
42    Binutils will be used instead:</para>
43
44<screen os="e"><userinput>sed -i 's/install_to_$(INSTALL_DEST) //' libiberty/Makefile.in</userinput></screen>
45
46    <para os="f">The GCC documentation recommends building GCC outside of the source
47    directory in a dedicated build directory:</para>
48
49<screen os="g"><userinput>mkdir -v ../gcc-build
50cd ../gcc-build</userinput></screen>
51
52    <para os="h">Prepare GCC for compilation:</para>
53
54<screen os="i"><userinput>CC="gcc -isystem /usr/include" \
55CXX="g++ -isystem /usr/include" \
56LDFLAGS="-Wl,-rpath-link,/usr/lib:/lib" \
57  ../gcc-&gcc-version;/configure --prefix=/usr \
58    --libexecdir=/usr/lib --enable-shared --enable-threads=posix \
59    --enable-__cxa_atexit --enable-c99 --enable-long-long \
60    --enable-clocale=gnu --enable-languages=c,c++ \
61    --disable-multilib --disable-libstdcxx-pch \
62    --enable-cloog-backend=isl --disable-isl-version-check --with-system-zlib \
63    --enable-checking=release --enable-libstdcxx-time \
64    --disable-install-libiberty</userinput></screen>
65
66    <para os="j">Compile the package:</para>
67
68<screen os="k"><userinput>make</userinput></screen>
69
70    <important os="l">
71      <para>The test suite for GCC is considered
72      critical. Do not skip it under any circumstance.</para>
73    </important>
74
75   <para os="s1">Increase the stack size prior to running the tests:</para>
76
77<screen os="s2"><userinput remap="test">ulimit -s 32768</userinput></screen>
78
79    <para os="m">Test the results, but do not stop at errors:</para>
80
81<screen os="n"><userinput>make -k check</userinput></screen>
82
83    <para os="o">The <parameter>-k</parameter> flag is used to make the test suite
84    run through to completion and not stop at the first failure. The GCC test
85    suite is very comprehensive and is almost guaranteed to generate a few
86    failures. To receive a summary of the test suite results, run:</para>
87
88<screen os="p"><userinput>../gcc-&gcc-version;/contrib/test_summary</userinput></screen>
89
90    <para os="q">For only the summaries, pipe the output through
91    <userinput>grep -A7 Summ</userinput>.</para>
92
93    <para os="r">A few unexpected failures cannot always be avoided. The
94    GCC developers are usually aware of these issues, but have not
95    resolved them yet.</para>
96
97    <para os="s">Install the package:</para>
98
99<screen os="t"><userinput>make install</userinput></screen>
100
101    <para os="u">Some packages expect the C preprocessor to be installed in the
102    <filename class="directory">/lib</filename> directory.
103    To support those packages, create this symlink:</para>
104
105<screen os="v"><userinput>ln -sv ../usr/bin/cpp /lib</userinput></screen>
106
107    <para os="w">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="x"><userinput>ln -sv gcc /usr/bin/cc</userinput></screen>
111
112    <para os="y">Finally, move a misplaced file:</para>
113
114<screen os="z"><userinput>mv -v /usr/lib/*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, and gcov</seg>
128        <seg>libgcc.a, libgcc_eh.a, libgcc_s.so, libgcov.a, libgomp.[a,so],
129        libmudflap.[a,so], libmudflapth.[a,so], libssp.[a,so],
130        libssp_nonshared.a, libstdc++.[a,so], and libsupc++.a</seg>
131        <seg>/usr/include/c++, /usr/lib/gcc, /usr/share/gcc-&gcc-version;</seg>
132      </seglistitem>
133    </segmentedlist>
134
135    <variablelist>
136      <bridgehead renderas="sect3">Short Descriptions</bridgehead>
137      <?dbfo list-presentation="list"?>
138      <?dbhtml list-presentation="table"?>
139
140      <varlistentry id="cc">
141        <term><command>cc</command></term>
142        <listitem>
143          <para>The C compiler</para>
144          <indexterm zone="ch-system-gcc cc">
145            <primary sortas="b-cc">cc</primary>
146          </indexterm>
147        </listitem>
148      </varlistentry>
149
150      <varlistentry id="cpp">
151        <term><command>cpp</command></term>
152        <listitem>
153          <para>The C preprocessor; it is used by the compiler to expand the
154          #include, #define, and similar statements in the source files</para>
155          <indexterm zone="ch-system-gcc cpp">
156            <primary sortas="b-cpp">cpp</primary>
157          </indexterm>
158        </listitem>
159      </varlistentry>
160
161      <varlistentry id="c">
162        <term><command>c++</command></term>
163        <listitem>
164          <para>The C++ compiler</para>
165          <indexterm zone="ch-system-gcc c">
166            <primary sortas="b-c++">c++</primary>
167          </indexterm>
168        </listitem>
169      </varlistentry>
170
171      <varlistentry id="g">
172        <term><command>g++</command></term>
173        <listitem>
174          <para>The C++ compiler</para>
175          <indexterm zone="ch-system-gcc g">
176            <primary sortas="b-g++">g++</primary>
177          </indexterm>
178        </listitem>
179      </varlistentry>
180
181      <varlistentry id="gcc">
182        <term><command>gcc</command></term>
183        <listitem>
184          <para>The C compiler</para>
185          <indexterm zone="ch-system-gcc gcc">
186            <primary sortas="b-gcc">gcc</primary>
187          </indexterm>
188        </listitem>
189      </varlistentry>
190
191      <varlistentry id="gcov">
192        <term><command>gcov</command></term>
193        <listitem>
194          <para>A coverage testing tool; it is used to analyze programs to
195          determine where optimizations will have the most effect</para>
196          <indexterm zone="ch-system-gcc gcov">
197            <primary sortas="b-gcov">gcov</primary>
198          </indexterm>
199        </listitem>
200      </varlistentry>
201
202      <varlistentry id="libgcc">
203        <term><filename class="libraryfile">libgcc</filename></term>
204        <listitem>
205          <para>Contains run-time support for <command>gcc</command></para>
206          <indexterm zone="ch-system-gcc libgcc">
207            <primary sortas="c-libgcc*">libgcc*</primary>
208          </indexterm>
209        </listitem>
210      </varlistentry>
211
212      <varlistentry id="libgcov">
213        <term><filename class="libraryfile">libgcov</filename></term>
214        <listitem>
215          <para>Library that is linked into a program when
216          <command>gcc</command> is instructed to enable profiling</para>
217          <indexterm zone="ch-system-gcc libgcov">
218            <primary sortas="c-libgcov">libgcov</primary>
219          </indexterm>
220        </listitem>
221      </varlistentry>
222
223      <varlistentry id="libgomp">
224        <term><filename class="libraryfile">libgomp</filename></term>
225        <listitem>
226          <para>GNU implementation of the OpenMP API for multi-platform
227          shared-memory parallel programming in C/C++ and Fortran</para>
228          <indexterm zone="ch-system-gcc libgomp">
229            <primary sortas="c-libgomp">libgomp</primary>
230          </indexterm>
231        </listitem>
232      </varlistentry>
233
234      <varlistentry id="libmudflap">
235        <term><filename class="libraryfile">libmudflap</filename></term>
236        <listitem>
237          <para>The libmudflap libraries are used by GCC for instrumenting
238          pointer and array dereferencing operations.</para>
239          <indexterm zone="ch-system-gcc libmudflap">
240            <primary sortas="c-libmudflap*">libmudflap*</primary>
241          </indexterm>
242        </listitem>
243      </varlistentry>
244
245      <varlistentry id="libssp">
246        <term><filename class="libraryfile">libssp</filename></term>
247        <listitem>
248          <para>Contains routines supporting GCC's stack-smashing protection
249          functionality</para>
250          <indexterm zone="ch-system-gcc libssp">
251            <primary sortas="c-libssp*">libssp*</primary>
252          </indexterm>
253        </listitem>
254      </varlistentry>
255
256      <varlistentry id="libstdc">
257        <term><filename class="libraryfile">libstdc++</filename></term>
258        <listitem>
259          <para>The standard C++ library</para>
260          <indexterm zone="ch-system-gcc libstdc">
261            <primary sortas="c-libstdc++">libstdc++</primary>
262          </indexterm>
263        </listitem>
264      </varlistentry>
265
266      <varlistentry id="libsupc">
267        <term><filename class="libraryfile">libsupc++</filename></term>
268        <listitem>
269          <para>Provides supporting routines for the C++ programming
270          language</para>
271          <indexterm zone="ch-system-gcc libsupc">
272            <primary sortas="c-libsupc++">libsupc++</primary>
273          </indexterm>
274        </listitem>
275      </varlistentry>
276
277    </variablelist>
278
279  </sect2>
280
281</sect1>
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