source: BOOK/final-system/common/gcc.xml@ c3f01f3

clfs-1.2 clfs-2.1 clfs-3.0.0-systemd clfs-3.0.0-sysvinit systemd sysvinit
Last change on this file since c3f01f3 was 093d06d, checked in by Joe Ciccone <jciccone@…>, 16 years ago

Command fixes.

  • Property mode set to 100644
File size: 7.9 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
102 <seglistitem>
103 <seg>c++, cc (link to gcc), cpp, g++, gcc, gccbug, and gcov</seg>
104 <seg>libgcc.a, libgcc_eh.a, libgcc_s.so, libgomp.[a,so], libmudflap.[a,so],
105 libmudflapth.[a,so], libssp.[a,so], libstdc++.[a,so], and
106 libsupc++.a</seg>
107 </seglistitem>
108 </segmentedlist>
109
110 <variablelist>
111 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
112 <?dbfo list-presentation="list"?>
113 <?dbhtml list-presentation="table"?>
114
115 <varlistentry id="cc">
116 <term><command>cc</command></term>
117 <listitem>
118 <para>The C compiler</para>
119 <indexterm zone="ch-system-gcc cc">
120 <primary sortas="b-cc">cc</primary>
121 </indexterm>
122 </listitem>
123 </varlistentry>
124
125 <varlistentry id="cpp">
126 <term><command>cpp</command></term>
127 <listitem>
128 <para>The C preprocessor; it is used by the compiler to expand the
129 #include, #define, and similar statements in the source files</para>
130 <indexterm zone="ch-system-gcc cpp">
131 <primary sortas="b-cpp">cpp</primary>
132 </indexterm>
133 </listitem>
134 </varlistentry>
135
136 <varlistentry id="c">
137 <term><command>c++</command></term>
138 <listitem>
139 <para>The C++ compiler</para>
140 <indexterm zone="ch-system-gcc c">
141 <primary sortas="b-c++">c++</primary>
142 </indexterm>
143 </listitem>
144 </varlistentry>
145
146 <varlistentry id="g">
147 <term><command>g++</command></term>
148 <listitem>
149 <para>The C++ compiler</para>
150 <indexterm zone="ch-system-gcc g">
151 <primary sortas="b-g++">g++</primary>
152 </indexterm>
153 </listitem>
154 </varlistentry>
155
156 <varlistentry id="gcc">
157 <term><command>gcc</command></term>
158 <listitem>
159 <para>The C compiler</para>
160 <indexterm zone="ch-system-gcc gcc">
161 <primary sortas="b-gcc">gcc</primary>
162 </indexterm>
163 </listitem>
164 </varlistentry>
165
166 <varlistentry id="gccbug">
167 <term><command>gccbug</command></term>
168 <listitem>
169 <para>A shell script used to help create useful bug reports</para>
170 <indexterm zone="ch-system-gcc gccbug">
171 <primary sortas="b-gccbug">gccbug</primary>
172 </indexterm>
173 </listitem>
174 </varlistentry>
175
176 <varlistentry id="gcov">
177 <term><command>gcov</command></term>
178 <listitem>
179 <para>A coverage testing tool; it is used to analyze programs to
180 determine where optimizations will have the most effect</para>
181 <indexterm zone="ch-system-gcc gcov">
182 <primary sortas="b-gcov">gcov</primary>
183 </indexterm>
184 </listitem>
185 </varlistentry>
186
187 <varlistentry id="libgcc">
188 <term><filename class="libraryfile">libgcc</filename></term>
189 <listitem>
190 <para>Contains run-time support for <command>gcc</command></para>
191 <indexterm zone="ch-system-gcc libgcc">
192 <primary sortas="c-libgcc*">libgcc*</primary>
193 </indexterm>
194 </listitem>
195 </varlistentry>
196
197 <varlistentry id="libmudflap">
198 <term><filename class="libraryfile">libmudflap</filename></term>
199 <listitem>
200 <para>The libmudflap libraries are used by GCC for instrumenting
201 pointer and array dereferencing operations.</para>
202 <indexterm zone="ch-system-gcc libmudflap">
203 <primary sortas="c-libmudflap*">libmudflap*</primary>
204 </indexterm>
205 </listitem>
206 </varlistentry>
207
208 <varlistentry id="libstdc">
209 <term><filename class="libraryfile">libstdc++</filename></term>
210 <listitem>
211 <para>The standard C++ library</para>
212 <indexterm zone="ch-system-gcc libstdc">
213 <primary sortas="c-libstdc++">libstdc++</primary>
214 </indexterm>
215 </listitem>
216 </varlistentry>
217
218 <varlistentry id="libsupc">
219 <term><filename class="libraryfile">libsupc++</filename></term>
220 <listitem>
221 <para>Provides supporting routines for the C++ programming
222 language</para>
223 <indexterm zone="ch-system-gcc libsupc">
224 <primary sortas="c-libsupc++">libsupc++</primary>
225 </indexterm>
226 </listitem>
227 </varlistentry>
228
229 </variablelist>
230
231 </sect2>
232
233</sect1>
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