source: BOOK/final-system/common/gcc.xml@ 2580945

clfs-3.0.0-systemd clfs-3.0.0-sysvinit systemd sysvinit
Last change on this file since 2580945 was 7278ff4, checked in by Joe Ciccone <jciccone@…>, 14 years ago

Updated GCC to 4.5.1.

  • Property mode set to 100644
File size: 9.3 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 -Wl,-rpath-link,/lib -isystem /usr/include" \
44 CXX="g++ -Wl,-rpath-link,/lib -isystem /usr/include" \
45 ../gcc-&gcc-version;/configure --prefix=/usr \
46 --libexecdir=/usr/lib --enable-shared --enable-threads=posix \
47 --enable-__cxa_atexit --enable-c99 --enable-long-long \
48 --enable-clocale=gnu --enable-languages=c,c++ \
49 --disable-multilib --disable-libstdcxx-pch</userinput></screen>
50
51 <para os="j">Compile the package:</para>
52
53<screen os="k"><userinput>make</userinput></screen>
54
55 <important os="l">
56 <para>The test suite for GCC is considered
57 critical. Do not skip it under any circumstance.</para>
58 </important>
59
60 <para os="m">Test the results, but do not stop at errors:</para>
61
62<screen os="n"><userinput>make -k check</userinput></screen>
63
64 <para os="o">The <parameter>-k</parameter> flag is used to make the test suite
65 run through to completion and not stop at the first failure. The GCC test
66 suite is very comprehensive and is almost guaranteed to generate a few
67 failures. To receive a summary of the test suite results, run:</para>
68
69<screen os="p"><userinput>../gcc-&gcc-version;/contrib/test_summary</userinput></screen>
70
71 <para os="q">For only the summaries, pipe the output through
72 <userinput>grep -A7 Summ</userinput>.</para>
73
74 <para os="r">A few unexpected failures cannot always be avoided. The
75 GCC developers are usually aware of these issues, but have not
76 resolved them yet.</para>
77
78 <para os="s">Install the package:</para>
79
80<screen os="t"><userinput>make install</userinput></screen>
81
82 <para os="u">Some packages expect the C preprocessor to be installed in the
83 <filename class="directory">/lib</filename> directory.
84 To support those packages, create this symlink:</para>
85
86<screen os="v"><userinput>ln -sv ../usr/bin/cpp /lib</userinput></screen>
87
88 <para os="w">Many packages use the name <command>cc</command> to call the C
89 compiler. To satisfy those packages, create a symlink:</para>
90
91<screen os="x"><userinput>ln -sv gcc /usr/bin/cc</userinput></screen>
92
93 </sect2>
94
95 <sect2 id="contents-gcc" role="content">
96 <title>Contents of GCC</title>
97
98 <segmentedlist>
99 <segtitle>Installed programs</segtitle>
100 <segtitle>Installed libraries</segtitle>
101 <segtitle>Installed directories</segtitle>
102
103 <seglistitem>
104 <seg>c++, cc (link to gcc), cpp, g++, gcc, gccbug, and gcov</seg>
105 <seg>libgcc.a, libgcc_eh.a, libgcc_s.so, libgcov.a, libgomp.[a,so],
106 libmudflap.[a,so], libmudflapth.[a,so], libssp.[a,so],
107 libssp_nonshared.a, libstdc++.[a,so], and libsupc++.a</seg>
108 <seg>/usr/include/c++, /usr/lib/gcc</seg>
109 </seglistitem>
110 </segmentedlist>
111
112 <variablelist>
113 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
114 <?dbfo list-presentation="list"?>
115 <?dbhtml list-presentation="table"?>
116
117 <varlistentry id="cc">
118 <term><command>cc</command></term>
119 <listitem>
120 <para>The C compiler</para>
121 <indexterm zone="ch-system-gcc cc">
122 <primary sortas="b-cc">cc</primary>
123 </indexterm>
124 </listitem>
125 </varlistentry>
126
127 <varlistentry id="cpp">
128 <term><command>cpp</command></term>
129 <listitem>
130 <para>The C preprocessor; it is used by the compiler to expand the
131 #include, #define, and similar statements in the source files</para>
132 <indexterm zone="ch-system-gcc cpp">
133 <primary sortas="b-cpp">cpp</primary>
134 </indexterm>
135 </listitem>
136 </varlistentry>
137
138 <varlistentry id="c">
139 <term><command>c++</command></term>
140 <listitem>
141 <para>The C++ compiler</para>
142 <indexterm zone="ch-system-gcc c">
143 <primary sortas="b-c++">c++</primary>
144 </indexterm>
145 </listitem>
146 </varlistentry>
147
148 <varlistentry id="g">
149 <term><command>g++</command></term>
150 <listitem>
151 <para>The C++ compiler</para>
152 <indexterm zone="ch-system-gcc g">
153 <primary sortas="b-g++">g++</primary>
154 </indexterm>
155 </listitem>
156 </varlistentry>
157
158 <varlistentry id="gcc">
159 <term><command>gcc</command></term>
160 <listitem>
161 <para>The C compiler</para>
162 <indexterm zone="ch-system-gcc gcc">
163 <primary sortas="b-gcc">gcc</primary>
164 </indexterm>
165 </listitem>
166 </varlistentry>
167
168 <varlistentry id="gccbug">
169 <term><command>gccbug</command></term>
170 <listitem>
171 <para>A shell script used to help create useful bug reports</para>
172 <indexterm zone="ch-system-gcc gccbug">
173 <primary sortas="b-gccbug">gccbug</primary>
174 </indexterm>
175 </listitem>
176 </varlistentry>
177
178 <varlistentry id="gcov">
179 <term><command>gcov</command></term>
180 <listitem>
181 <para>A coverage testing tool; it is used to analyze programs to
182 determine where optimizations will have the most effect</para>
183 <indexterm zone="ch-system-gcc gcov">
184 <primary sortas="b-gcov">gcov</primary>
185 </indexterm>
186 </listitem>
187 </varlistentry>
188
189 <varlistentry id="libgcc">
190 <term><filename class="libraryfile">libgcc</filename></term>
191 <listitem>
192 <para>Contains run-time support for <command>gcc</command></para>
193 <indexterm zone="ch-system-gcc libgcc">
194 <primary sortas="c-libgcc*">libgcc*</primary>
195 </indexterm>
196 </listitem>
197 </varlistentry>
198
199 <varlistentry id="libgcov">
200 <term><filename class="libraryfile">libgcov</filename></term>
201 <listitem>
202 <para>Library that is linked into a program when
203 <command>gcc</command> is instructed to enable profiling</para>
204 <indexterm zone="ch-system-gcc libgcov">
205 <primary sortas="c-libgcov">libgcov</primary>
206 </indexterm>
207 </listitem>
208 </varlistentry>
209
210 <varlistentry id="libgomp">
211 <term><filename class="libraryfile">libgomp</filename></term>
212 <listitem>
213 <para>GNU implementation of the OpenMP API for multi-platform
214 shared-memory parallel programming in C/C++ and Fortran</para>
215 <indexterm zone="ch-system-gcc libgomp">
216 <primary sortas="c-libgomp">libgomp</primary>
217 </indexterm>
218 </listitem>
219 </varlistentry>
220
221 <varlistentry id="libmudflap">
222 <term><filename class="libraryfile">libmudflap</filename></term>
223 <listitem>
224 <para>The libmudflap libraries are used by GCC for instrumenting
225 pointer and array dereferencing operations.</para>
226 <indexterm zone="ch-system-gcc libmudflap">
227 <primary sortas="c-libmudflap*">libmudflap*</primary>
228 </indexterm>
229 </listitem>
230 </varlistentry>
231
232 <varlistentry id="libssp">
233 <term><filename class="libraryfile">libssp</filename></term>
234 <listitem>
235 <para>Contains routines supporting GCC's stack-smashing protection
236 functionality</para>
237 <indexterm zone="ch-system-gcc libssp">
238 <primary sortas="c-libssp*">libssp*</primary>
239 </indexterm>
240 </listitem>
241 </varlistentry>
242
243 <varlistentry id="libstdc">
244 <term><filename class="libraryfile">libstdc++</filename></term>
245 <listitem>
246 <para>The standard C++ library</para>
247 <indexterm zone="ch-system-gcc libstdc">
248 <primary sortas="c-libstdc++">libstdc++</primary>
249 </indexterm>
250 </listitem>
251 </varlistentry>
252
253 <varlistentry id="libsupc">
254 <term><filename class="libraryfile">libsupc++</filename></term>
255 <listitem>
256 <para>Provides supporting routines for the C++ programming
257 language</para>
258 <indexterm zone="ch-system-gcc libsupc">
259 <primary sortas="c-libsupc++">libsupc++</primary>
260 </indexterm>
261 </listitem>
262 </varlistentry>
263
264 </variablelist>
265
266 </sect2>
267
268</sect1>
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