source: final-system/common/gcc.xml @ 6c605d7

Last change on this file since 6c605d7 was 6c605d7, checked in by Jim Gifford <clfs@…>, 15 years ago

r3618@server: jim | 2006-05-25 10:46:12 -0700
Updated to GCC 4.1.1

  • Property mode set to 100644
File size: 8.4 KB
Line 
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  %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 fixes the searching of multilib dirs for
29    specs file:</para>
30
31<screen os="p2"><userinput>patch -Np1 -i ../&gcc-PR20425-patch;</userinput></screen>
32
33    <para os="d">Apply a <command>sed</command> substitution that will suppress the
34    installation of <filename class="libraryfile">libiberty.a</filename>. The
35    version of <filename class="libraryfile">libiberty.a</filename> provided by
36    Binutils will be used instead:</para>
37
38<screen os="e"><userinput>sed -i 's/install_to_$(INSTALL_DEST) //' libiberty/Makefile.in</userinput></screen>
39
40    <para os="e1">GCC provides a <command>gccbug</command> script which detects at
41    compile time whether mktemp is present, and hardcodes the result in a test.
42    If mktemp is not found, the script will fall back to using less
43    random names for temporary files.  We will be installing mktemp
44    later, so the following sed will simulate its presence:</para>
45
46<screen os="e2"><userinput>sed -i 's/@have_mktemp_command@/yes/' gcc/gccbug.in</userinput></screen>
47
48    <para os="f">The GCC documentation recommends building GCC outside of the source
49    directory in a dedicated build directory:</para>
50
51<screen os="g"><userinput>mkdir -v ../gcc-build
52cd ../gcc-build</userinput></screen>
53
54    <para os="h">Prepare GCC for compilation:</para>
55
56<screen os="i"><userinput>../gcc-&gcc-version;/configure --prefix=/usr \
57    --libexecdir=/usr/lib --enable-shared --enable-threads=posix \
58    --enable-__cxa_atexit --enable-c99 --enable-long-long \
59    --enable-clocale=gnu --enable-languages=c,c++ \
60    --disable-multilib --disable-libstdcxx-pch</userinput></screen>
61
62    <para os="j">Compile the package:</para>
63
64<screen os="k"><userinput>make bootstrap</userinput></screen>
65
66    <important os="l">
67      <para>In this section, the test suite for GCC is considered
68      critical. Do not skip it under any circumstance.</para>
69    </important>
70
71    <para os="m">Test the results, but do not stop at errors:</para>
72
73<screen os="n"><userinput>make -k check</userinput></screen>
74
75    <para os="o">The <parameter>-k</parameter> flag is used to make the test suite
76    run through to completion and not stop at the first failure. The GCC test
77    suite is very comprehensive and is almost guaranteed to generate a few
78    failures. To receive a summary of the test suite results, run:</para>
79
80<screen os="p"><userinput>../gcc-&gcc-version;/contrib/test_summary</userinput></screen>
81
82    <para os="q">For only the summaries, pipe the output through
83    <userinput>grep -A7 Summ</userinput>.</para>
84
85    <para os="r">A few unexpected failures cannot always be avoided. The
86    GCC developers are usually aware of these issues, but have not
87    resolved them yet.</para>
88
89    <para os="s">Install the package:</para>
90
91<screen os="t"><userinput>make install</userinput></screen>
92
93    <para os="u">Some packages expect the C preprocessor to be installed in the
94    <filename class="directory">/lib</filename> directory.
95    To support those packages, create this symlink:</para>
96
97<screen os="v"><userinput>ln -sv ../usr/bin/cpp /lib</userinput></screen>
98
99    <para os="w">Many packages use the name <command>cc</command> to call the C
100    compiler. To satisfy those packages, create a symlink:</para>
101
102<screen os="x"><userinput>ln -sv gcc /usr/bin/cc</userinput></screen>
103
104  </sect2>
105
106  <sect2 id="contents-gcc" role="content">
107    <title>Contents of GCC</title>
108
109    <segmentedlist>
110      <segtitle>Installed programs</segtitle>
111      <segtitle>Installed libraries</segtitle>
112
113      <seglistitem>
114        <seg>c++, cc (link to gcc), cpp, g++, gcc, gccbug, and gcov</seg>
115        <seg>libgcc.a, libgcc_eh.a, libgcc_s.so, libmudflap.[a,so],
116        libmudflapth.[a,so], libstdc++.[a,so], and
117        libsupc++.a</seg>
118      </seglistitem>
119    </segmentedlist>
120
121    <variablelist>
122      <bridgehead renderas="sect3">Short Descriptions</bridgehead>
123      <?dbfo list-presentation="list"?>
124      <?dbhtml list-presentation="table"?>
125
126      <varlistentry id="cc">
127        <term><command>cc</command></term>
128        <listitem>
129          <para>The C compiler</para>
130          <indexterm zone="ch-system-gcc cc">
131            <primary sortas="b-cc">cc</primary>
132          </indexterm>
133        </listitem>
134      </varlistentry>
135
136      <varlistentry id="cpp">
137        <term><command>cpp</command></term>
138        <listitem>
139          <para>The C preprocessor; it is used by the compiler to expand the
140          #include, #define, and similar statements in the source files</para>
141          <indexterm zone="ch-system-gcc cpp">
142            <primary sortas="b-cpp">cpp</primary>
143          </indexterm>
144        </listitem>
145      </varlistentry>
146
147      <varlistentry id="c">
148        <term><command>c++</command></term>
149        <listitem>
150          <para>The C++ compiler</para>
151          <indexterm zone="ch-system-gcc c">
152            <primary sortas="b-c++">c++</primary>
153          </indexterm>
154        </listitem>
155      </varlistentry>
156
157      <varlistentry id="g">
158        <term><command>g++</command></term>
159        <listitem>
160          <para>The C++ compiler</para>
161          <indexterm zone="ch-system-gcc g">
162            <primary sortas="b-g++">g++</primary>
163          </indexterm>
164        </listitem>
165      </varlistentry>
166
167      <varlistentry id="gcc">
168        <term><command>gcc</command></term>
169        <listitem>
170          <para>The C compiler</para>
171          <indexterm zone="ch-system-gcc gcc">
172            <primary sortas="b-gcc">gcc</primary>
173          </indexterm>
174        </listitem>
175      </varlistentry>
176
177      <varlistentry id="gccbug">
178        <term><command>gccbug</command></term>
179        <listitem>
180          <para>A shell script used to help create useful bug reports</para>
181          <indexterm zone="ch-system-gcc gccbug">
182            <primary sortas="b-gccbug">gccbug</primary>
183          </indexterm>
184        </listitem>
185      </varlistentry>
186
187      <varlistentry id="gcov">
188        <term><command>gcov</command></term>
189        <listitem>
190          <para>A coverage testing tool; it is used to analyze programs to
191          determine where optimizations will have the most effect</para>
192          <indexterm zone="ch-system-gcc gcov">
193            <primary sortas="b-gcov">gcov</primary>
194          </indexterm>
195        </listitem>
196      </varlistentry>
197
198      <varlistentry id="libgcc">
199        <term><filename class="libraryfile">libgcc</filename></term>
200        <listitem>
201          <para>Contains run-time support for <command>gcc</command></para>
202          <indexterm zone="ch-system-gcc libgcc">
203            <primary sortas="c-libgcc*">libgcc*</primary>
204          </indexterm>
205        </listitem>
206      </varlistentry>
207
208      <varlistentry id="libmudflap">
209        <term><filename class="libraryfile">libmudflap</filename></term>
210        <listitem>
211          <para>The libmudflap libraries are used by GCC for instrumenting
212          pointer and array dereferencing operations.</para>
213          <indexterm zone="ch-system-gcc libmudflap">
214            <primary sortas="c-libmudflap*">libmudflap*</primary>
215          </indexterm>
216        </listitem>
217      </varlistentry>
218
219      <varlistentry id="libstdc">
220        <term><filename class="libraryfile">libstdc++</filename></term>
221        <listitem>
222          <para>The standard C++ library</para>
223          <indexterm zone="ch-system-gcc libstdc">
224            <primary sortas="c-libstdc++">libstdc++</primary>
225          </indexterm>
226        </listitem>
227      </varlistentry>
228
229      <varlistentry id="libsupc">
230        <term><filename class="libraryfile">libsupc++</filename></term>
231        <listitem>
232          <para>Provides supporting routines for the C++ programming
233          language</para>
234          <indexterm zone="ch-system-gcc libsupc">
235            <primary sortas="c-libsupc++">libsupc++</primary>
236          </indexterm>
237        </listitem>
238      </varlistentry>
239
240    </variablelist>
241
242  </sect2>
243
244</sect1>
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