source: BOOK/final-system/common/gcc.xml@ d0c5f50

clfs-1.2 clfs-2.1 clfs-3.0.0-systemd clfs-3.0.0-sysvinit systemd sysvinit
Last change on this file since d0c5f50 was 82f7fed, checked in by Jim Gifford <clfs@…>, 19 years ago

r649@server (orig r647): manuel | 2005-11-07 12:51:45 -0800
Remove the optimization related warnings from the toolchain packages.

  • Property mode set to 100644
File size: 8.0 KB
RevLine 
[3f8be484]1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
3 "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
4 <!ENTITY % general-entities SYSTEM "../../general.ent">
5 <!ENTITY % patches-entities SYSTEM "../../patches.ent">
6 %general-entities;
7 %patches-entities;
8]>
9
10<sect1 id="ch-system-gcc" role="wrap">
11 <?dbhtml filename="gcc.html"?>
12
13 <title>GCC-&gcc-version;</title>
14
15 <indexterm zone="ch-system-gcc">
16 <primary sortas="a-GCC">GCC</primary>
17 </indexterm>
18
19 <sect2 role="package">
20 <title/>
21
22 <para>The GCC package contains the GNU compiler collection, which includes
23 the C and C++ compilers.</para>
24
25 <segmentedlist>
26 <segtitle>&buildtime;</segtitle>
27 <segtitle>&diskspace;</segtitle>
28
29 <seglistitem>
30 <seg>Not checked yet</seg>
31 <seg>Not checked yet</seg>
32 </seglistitem>
33 </segmentedlist>
34
35 <segmentedlist>
36 <segtitle>&dependencies;</segtitle>
37
38 <seglistitem>
39 <seg>Bash, Binutils, Coreutils, Diffutils, Findutils,
40 Gawk, Gettext, Glibc, Grep, Make, Perl, Sed, and Texinfo</seg>
41 </seglistitem>
42 </segmentedlist>
43
44 </sect2>
45
46 <sect2 role="installation">
47 <title>Installation of GCC</title>
48
49 <para os="d">Apply a <command>sed</command> substitution that will suppress the
50 installation of <filename class="libraryfile">libiberty.a</filename>. The
51 version of <filename class="libraryfile">libiberty.a</filename> provided by
52 Binutils will be used instead:</para>
53
54<screen os="e"><userinput>sed -i 's/install_to_$(INSTALL_DEST) //' libiberty/Makefile.in</userinput></screen>
55
56 <para os="f">The GCC documentation recommends building GCC outside of the source
57 directory in a dedicated build directory:</para>
58
59<screen os="g"><userinput>mkdir ../gcc-build
60cd ../gcc-build</userinput></screen>
61
62 <para os="h">Prepare GCC for compilation:</para>
63
64<screen><userinput>../gcc-&gcc-version;/configure --prefix=/usr \
65 --libexecdir=/usr/lib --enable-shared --enable-threads=posix \
66 --enable-__cxa_atexit --enable-c99 --enable-long-long \
67 --enable-clocale=gnu --enable-languages=c,c++ --disable-libstdcxx-pch</userinput></screen>
68
69 <para os="i">Compile the package:</para>
70
71<screen os="j"><userinput>make</userinput></screen>
72
73 <important os="k">
74 <para>In this section, the test suite for GCC is considered
75 critical. Do not skip it under any circumstance.</para>
76 </important>
77
78 <para os="l">Test the results, but do not stop at errors:</para>
79
80<screen os="m"><userinput>make -k check</userinput></screen>
81
82 <para os="n">The <parameter>-k</parameter> flag is used to make the test suite
83 run through to completion and not stop at the first failure. The GCC test
84 suite is very comprehensive and is almost guaranteed to generate a few
85 failures. To receive a summary of the test suite results, run:</para>
86
87<screen os="o"><userinput>../gcc-&gcc-version;/contrib/test_summary</userinput></screen>
88
89 <para os="p">For only the summaries, pipe the output through
90 <userinput>grep -A7 Summ</userinput>.</para>
91
92 <para os="q">Results can be compared with those located at <ulink
93 url="&test-results;"/>.</para>
94
95 <para os="r">A few unexpected failures cannot always be avoided. The
96 GCC developers are usually aware of these issues, but have not
97 resolved them yet. Unless the test results are vastly different from
98 those at the above URL, it is safe to continue.</para>
99
100 <para os="s">Install the package:</para>
101
102<screen os="t"><userinput>make install</userinput></screen>
103
104 <para os="u">Some packages expect the C preprocessor to be installed in the
105 <filename class="directory">/lib</filename> directory.
106 To support those packages, create this symlink:</para>
107
108<screen os="v"><userinput>ln -s ../usr/bin/cpp /lib</userinput></screen>
109
110 <para os="w">Many packages use the name <command>cc</command> to call the C
111 compiler. To satisfy those packages, create a symlink:</para>
112
113<screen os="x"><userinput>ln -s gcc /usr/bin/cc</userinput></screen>
114
115 </sect2>
116
117 <sect2 id="contents-gcc" role="content">
118 <title>Contents of GCC</title>
119
120 <segmentedlist>
121 <segtitle>Installed programs</segtitle>
122 <segtitle>Installed libraries</segtitle>
123
124 <seglistitem>
125 <seg>c++, cc (link to gcc), cpp, g++, gcc, gccbug, and gcov</seg>
126 <seg>libgcc.a, libgcc_eh.a, libgcc_s.so, libstdc++.[a,so], and
127 libsupc++.a</seg>
128 </seglistitem>
129 </segmentedlist>
130
131 <variablelist>
132 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
133 <?dbfo list-presentation="list"?>
134 <?dbhtml list-presentation="table"?>
135
136 <varlistentry id="cc">
137 <term><command>cc</command></term>
138 <listitem>
139 <para>The C compiler</para>
140 <indexterm zone="ch-system-gcc cc">
141 <primary sortas="b-cc">cc</primary>
142 </indexterm>
143 </listitem>
144 </varlistentry>
145
146 <varlistentry id="cpp">
147 <term><command>cpp</command></term>
148 <listitem>
149 <para>The C preprocessor; it is used by the compiler to expand the
150 #include, #define, and similar statements in the source files</para>
151 <indexterm zone="ch-system-gcc cpp">
152 <primary sortas="b-cpp">cpp</primary>
153 </indexterm>
154 </listitem>
155 </varlistentry>
156
157 <varlistentry id="c">
158 <term><command>c++</command></term>
159 <listitem>
160 <para>The C++ compiler</para>
161 <indexterm zone="ch-system-gcc c">
162 <primary sortas="b-c++">c++</primary>
163 </indexterm>
164 </listitem>
165 </varlistentry>
166
167 <varlistentry id="g">
168 <term><command>g++</command></term>
169 <listitem>
170 <para>The C++ compiler</para>
171 <indexterm zone="ch-system-gcc g">
172 <primary sortas="b-g++">g++</primary>
173 </indexterm>
174 </listitem>
175 </varlistentry>
176
177 <varlistentry id="gcc">
178 <term><command>gcc</command></term>
179 <listitem>
180 <para>The C compiler</para>
181 <indexterm zone="ch-system-gcc gcc">
182 <primary sortas="b-gcc">gcc</primary>
183 </indexterm>
184 </listitem>
185 </varlistentry>
186
187 <varlistentry id="gccbug">
188 <term><command>gccbug</command></term>
189 <listitem>
190 <para>A shell script used to help create useful bug reports</para>
191 <indexterm zone="ch-system-gcc gccbug">
192 <primary sortas="b-gccbug">gccbug</primary>
193 </indexterm>
194 </listitem>
195 </varlistentry>
196
197 <varlistentry id="gcov">
198 <term><command>gcov</command></term>
199 <listitem>
200 <para>A coverage testing tool; it is used to analyze programs to
201 determine where optimizations will have the most effect</para>
202 <indexterm zone="ch-system-gcc gcov">
203 <primary sortas="b-gcov">gcov</primary>
204 </indexterm>
205 </listitem>
206 </varlistentry>
207
208 <varlistentry id="libgcc">
209 <term><filename class="libraryfile">libgcc</filename></term>
210 <listitem>
211 <para>Contains run-time support for <command>gcc</command></para>
212 <indexterm zone="ch-system-gcc libgcc">
213 <primary sortas="c-libgcc*">libgcc*</primary>
214 </indexterm>
215 </listitem>
216 </varlistentry>
217
218 <varlistentry id="libstdc">
219 <term><filename class="libraryfile">libstdc++</filename></term>
220 <listitem>
221 <para>The standard C++ library</para>
222 <indexterm zone="ch-system-gcc libstdc">
223 <primary sortas="c-libstdc++">libstdc++</primary>
224 </indexterm>
225 </listitem>
226 </varlistentry>
227
228 <varlistentry id="libsupc">
229 <term><filename class="libraryfile">libsupc++</filename></term>
230 <listitem>
231 <para>Provides supporting routines for the C++ programming
232 language</para>
233 <indexterm zone="ch-system-gcc libsupc">
234 <primary sortas="c-libsupc++">libsupc++</primary>
235 </indexterm>
236 </listitem>
237 </varlistentry>
238
239 </variablelist>
240
241 </sect2>
242
243</sect1>
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