source: BOOK/final-system/common/gcc.xml @ 3c54c0a

clfs-2.1clfs-3.0.0-systemdclfs-3.0.0-sysvinitsystemdsysvinit
Last change on this file since 3c54c0a was 3c54c0a, checked in by William Harrington <kb0iic@…>, 10 years ago

Remove --disable-cloog-version-check from all gcc configuration commands.

  • Property mode set to 100644
File size: 9.1 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  <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="d">Apply a <command>sed</command> substitution that will suppress the
29    installation of <filename class="libraryfile">libiberty.a</filename>. The
30    version of <filename class="libraryfile">libiberty.a</filename> provided by
31    Binutils will be used instead:</para>
32
33<screen os="e"><userinput>sed -i 's/install_to_$(INSTALL_DEST) //' libiberty/Makefile.in</userinput></screen>
34
35    <para os="f">The GCC documentation recommends building GCC outside of the source
36    directory in a dedicated build directory:</para>
37
38<screen os="g"><userinput>mkdir -v ../gcc-build
39cd ../gcc-build</userinput></screen>
40
41    <para os="h">Prepare GCC for compilation:</para>
42
43<screen os="i"><userinput>CC="gcc -isystem /usr/include" \
44CXX="g++ -isystem /usr/include" \
45LDFLAGS="-Wl,-rpath-link,/usr/lib:/lib" \
46  ../gcc-&gcc-version;/configure --prefix=/usr \
47    --libexecdir=/usr/lib --enable-shared --enable-threads=posix \
48    --enable-__cxa_atexit --enable-c99 --enable-long-long \
49    --enable-clocale=gnu --enable-languages=c,c++ \
50    --disable-multilib --disable-libstdcxx-pch \
51    --enable-cloog-backend=isl --with-system-zlib \
52    --enable-checking=release --enable-libstdcxx-time \
53    --disable-install-libiberty</userinput></screen>
54
55    <para os="j">Compile the package:</para>
56
57<screen os="k"><userinput>make</userinput></screen>
58
59    <important os="l">
60      <para>The test suite for GCC is considered
61      critical. Do not skip it under any circumstance.</para>
62    </important>
63
64    <para os="m">Test the results, but do not stop at errors:</para>
65
66<screen os="n"><userinput>make -k check</userinput></screen>
67
68    <para os="o">The <parameter>-k</parameter> flag is used to make the test suite
69    run through to completion and not stop at the first failure. The GCC test
70    suite is very comprehensive and is almost guaranteed to generate a few
71    failures. To receive a summary of the test suite results, run:</para>
72
73<screen os="p"><userinput>../gcc-&gcc-version;/contrib/test_summary</userinput></screen>
74
75    <para os="q">For only the summaries, pipe the output through
76    <userinput>grep -A7 Summ</userinput>.</para>
77
78    <para os="r">A few unexpected failures cannot always be avoided. The
79    GCC developers are usually aware of these issues, but have not
80    resolved them yet.</para>
81
82    <para os="s">Install the package:</para>
83
84<screen os="t"><userinput>make install</userinput></screen>
85
86    <para os="u">Some packages expect the C preprocessor to be installed in the
87    <filename class="directory">/lib</filename> directory.
88    To support those packages, create this symlink:</para>
89
90<screen os="v"><userinput>ln -sv ../usr/bin/cpp /lib</userinput></screen>
91
92    <para os="w">Many packages use the name <command>cc</command> to call the C
93    compiler. To satisfy those packages, create a symlink:</para>
94
95<screen os="x"><userinput>ln -sv gcc /usr/bin/cc</userinput></screen>
96
97  </sect2>
98
99  <sect2 id="contents-gcc" role="content">
100    <title>Contents of GCC</title>
101
102    <segmentedlist>
103      <segtitle>Installed programs</segtitle>
104      <segtitle>Installed libraries</segtitle>
105      <segtitle>Installed directories</segtitle>
106
107      <seglistitem>
108        <seg>c++, cc (link to gcc), cpp, g++, gcc, and gcov</seg>
109        <seg>libgcc.a, libgcc_eh.a, libgcc_s.so, libgcov.a, libgomp.[a,so],
110        libmudflap.[a,so], libmudflapth.[a,so], libssp.[a,so],
111        libssp_nonshared.a, libstdc++.[a,so], and libsupc++.a</seg>
112        <seg>/usr/include/c++, /usr/lib/gcc, /usr/share/gcc-&gcc-version;</seg>
113      </seglistitem>
114    </segmentedlist>
115
116    <variablelist>
117      <bridgehead renderas="sect3">Short Descriptions</bridgehead>
118      <?dbfo list-presentation="list"?>
119      <?dbhtml list-presentation="table"?>
120
121      <varlistentry id="cc">
122        <term><command>cc</command></term>
123        <listitem>
124          <para>The C compiler</para>
125          <indexterm zone="ch-system-gcc cc">
126            <primary sortas="b-cc">cc</primary>
127          </indexterm>
128        </listitem>
129      </varlistentry>
130
131      <varlistentry id="cpp">
132        <term><command>cpp</command></term>
133        <listitem>
134          <para>The C preprocessor; it is used by the compiler to expand the
135          #include, #define, and similar statements in the source files</para>
136          <indexterm zone="ch-system-gcc cpp">
137            <primary sortas="b-cpp">cpp</primary>
138          </indexterm>
139        </listitem>
140      </varlistentry>
141
142      <varlistentry id="c">
143        <term><command>c++</command></term>
144        <listitem>
145          <para>The C++ compiler</para>
146          <indexterm zone="ch-system-gcc c">
147            <primary sortas="b-c++">c++</primary>
148          </indexterm>
149        </listitem>
150      </varlistentry>
151
152      <varlistentry id="g">
153        <term><command>g++</command></term>
154        <listitem>
155          <para>The C++ compiler</para>
156          <indexterm zone="ch-system-gcc g">
157            <primary sortas="b-g++">g++</primary>
158          </indexterm>
159        </listitem>
160      </varlistentry>
161
162      <varlistentry id="gcc">
163        <term><command>gcc</command></term>
164        <listitem>
165          <para>The C compiler</para>
166          <indexterm zone="ch-system-gcc gcc">
167            <primary sortas="b-gcc">gcc</primary>
168          </indexterm>
169        </listitem>
170      </varlistentry>
171
172      <varlistentry id="gcov">
173        <term><command>gcov</command></term>
174        <listitem>
175          <para>A coverage testing tool; it is used to analyze programs to
176          determine where optimizations will have the most effect</para>
177          <indexterm zone="ch-system-gcc gcov">
178            <primary sortas="b-gcov">gcov</primary>
179          </indexterm>
180        </listitem>
181      </varlistentry>
182
183      <varlistentry id="libgcc">
184        <term><filename class="libraryfile">libgcc</filename></term>
185        <listitem>
186          <para>Contains run-time support for <command>gcc</command></para>
187          <indexterm zone="ch-system-gcc libgcc">
188            <primary sortas="c-libgcc*">libgcc*</primary>
189          </indexterm>
190        </listitem>
191      </varlistentry>
192
193      <varlistentry id="libgcov">
194        <term><filename class="libraryfile">libgcov</filename></term>
195        <listitem>
196          <para>Library that is linked into a program when
197          <command>gcc</command> is instructed to enable profiling</para>
198          <indexterm zone="ch-system-gcc libgcov">
199            <primary sortas="c-libgcov">libgcov</primary>
200          </indexterm>
201        </listitem>
202      </varlistentry>
203
204      <varlistentry id="libgomp">
205        <term><filename class="libraryfile">libgomp</filename></term>
206        <listitem>
207          <para>GNU implementation of the OpenMP API for multi-platform
208          shared-memory parallel programming in C/C++ and Fortran</para>
209          <indexterm zone="ch-system-gcc libgomp">
210            <primary sortas="c-libgomp">libgomp</primary>
211          </indexterm>
212        </listitem>
213      </varlistentry>
214
215      <varlistentry id="libmudflap">
216        <term><filename class="libraryfile">libmudflap</filename></term>
217        <listitem>
218          <para>The libmudflap libraries are used by GCC for instrumenting
219          pointer and array dereferencing operations.</para>
220          <indexterm zone="ch-system-gcc libmudflap">
221            <primary sortas="c-libmudflap*">libmudflap*</primary>
222          </indexterm>
223        </listitem>
224      </varlistentry>
225
226      <varlistentry id="libssp">
227        <term><filename class="libraryfile">libssp</filename></term>
228        <listitem>
229          <para>Contains routines supporting GCC's stack-smashing protection
230          functionality</para>
231          <indexterm zone="ch-system-gcc libssp">
232            <primary sortas="c-libssp*">libssp*</primary>
233          </indexterm>
234        </listitem>
235      </varlistentry>
236
237      <varlistentry id="libstdc">
238        <term><filename class="libraryfile">libstdc++</filename></term>
239        <listitem>
240          <para>The standard C++ library</para>
241          <indexterm zone="ch-system-gcc libstdc">
242            <primary sortas="c-libstdc++">libstdc++</primary>
243          </indexterm>
244        </listitem>
245      </varlistentry>
246
247      <varlistentry id="libsupc">
248        <term><filename class="libraryfile">libsupc++</filename></term>
249        <listitem>
250          <para>Provides supporting routines for the C++ programming
251          language</para>
252          <indexterm zone="ch-system-gcc libsupc">
253            <primary sortas="c-libsupc++">libsupc++</primary>
254          </indexterm>
255        </listitem>
256      </varlistentry>
257
258    </variablelist>
259
260  </sect2>
261
262</sect1>
Note: See TracBrowser for help on using the repository browser.