source: final-system/common/gcc.xml @ 0636f6c

Last change on this file since 0636f6c was 0636f6c, checked in by Jim Gifford <clfs@…>, 18 years ago

r981@server (orig r979): jim | 2005-12-30 10:11:32 -0800

r1226@server: cstaub | 2005-12-30 08:35:37 -0800
Updated package deps, removed explanation of cross-compiling from final-system binutils, and removed note about GRUB's testsuite failure


  • Property mode set to 100644
File size: 8.1 KB
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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    <segmentedlist>
24      <segtitle>&dependencies;</segtitle>
25
26      <seglistitem>
27        <seg>Bash, Binutils, Coreutils, DejaGNU, Diffutils, Expect, Findutils,
28        Gawk, Gettext, Glibc, Grep, Make, Patch, Perl, Sed, Tcl, and Texinfo</seg>
29      </seglistitem>
30    </segmentedlist>
31
32  </sect2>
33
34  <sect2 role="installation">
35    <title>Installation of GCC</title>
36
37    <para os="d">Apply a <command>sed</command> substitution that will suppress the
38    installation of <filename class="libraryfile">libiberty.a</filename>. The
39    version of <filename class="libraryfile">libiberty.a</filename> provided by
40    Binutils will be used instead:</para>
41
42<screen os="e"><userinput>sed -i 's/install_to_$(INSTALL_DEST) //' libiberty/Makefile.in</userinput></screen>
43
44    <para os="f">The GCC documentation recommends building GCC outside of the source
45    directory in a dedicated build directory:</para>
46
47<screen os="g"><userinput>mkdir ../gcc-build
48cd ../gcc-build</userinput></screen>
49
50    <para os="h">Prepare GCC for compilation:</para>
51
52<screen os="i"><userinput>../gcc-&gcc-version;/configure --prefix=/usr \
53    --libexecdir=/usr/lib --enable-shared --enable-threads=posix \
54    --enable-__cxa_atexit --enable-c99 --enable-long-long \
55    --enable-clocale=gnu --enable-languages=c,c++ \
56    --disable-multilib --disable-libstdcxx-pch</userinput></screen>
57
58    <para os="j">Compile the package:</para>
59
60<screen os="k"><userinput>make</userinput></screen>
61
62    <important os="l">
63      <para>In this section, the test suite for GCC is considered
64      critical. Do not skip it under any circumstance.</para>
65    </important>
66
67    <para os="m">Test the results, but do not stop at errors:</para>
68
69<screen os="n"><userinput>make -k check</userinput></screen>
70
71    <para os="o">The <parameter>-k</parameter> flag is used to make the test suite
72    run through to completion and not stop at the first failure. The GCC test
73    suite is very comprehensive and is almost guaranteed to generate a few
74    failures. To receive a summary of the test suite results, run:</para>
75
76<screen os="p"><userinput>../gcc-&gcc-version;/contrib/test_summary</userinput></screen>
77
78    <para os="q">For only the summaries, pipe the output through
79    <userinput>grep -A7 Summ</userinput>.</para>
80
81    <para os="r">A few unexpected failures cannot always be avoided. The
82    GCC developers are usually aware of these issues, but have not
83    resolved them yet.</para>
84
85    <para os="s">Install the package:</para>
86
87<screen os="t"><userinput>make install</userinput></screen>
88
89    <para os="u">Some packages expect the C preprocessor to be installed in the
90    <filename class="directory">/lib</filename> directory.
91    To support those packages, create this symlink:</para>
92
93<screen os="v"><userinput>ln -s ../usr/bin/cpp /lib</userinput></screen>
94
95    <para os="w">Many packages use the name <command>cc</command> to call the C
96    compiler. To satisfy those packages, create a symlink:</para>
97
98<screen os="x"><userinput>ln -s gcc /usr/bin/cc</userinput></screen>
99
100  </sect2>
101
102  <sect2 id="contents-gcc" role="content">
103    <title>Contents of GCC</title>
104
105    <segmentedlist>
106      <segtitle>Installed programs</segtitle>
107      <segtitle>Installed libraries</segtitle>
108
109      <seglistitem>
110        <seg>c++, cc (link to gcc), cpp, g++, gcc, gccbug, and gcov</seg>
111        <seg>libgcc.a, libgcc_eh.a, libgcc_s.so, libmudflap.[a,so],
112        libmudflapth.[a,so], libstdc++.[a,so], and
113        libsupc++.a</seg>
114      </seglistitem>
115    </segmentedlist>
116
117    <variablelist>
118      <bridgehead renderas="sect3">Short Descriptions</bridgehead>
119      <?dbfo list-presentation="list"?>
120      <?dbhtml list-presentation="table"?>
121
122      <varlistentry id="cc">
123        <term><command>cc</command></term>
124        <listitem>
125          <para>The C compiler</para>
126          <indexterm zone="ch-system-gcc cc">
127            <primary sortas="b-cc">cc</primary>
128          </indexterm>
129        </listitem>
130      </varlistentry>
131
132      <varlistentry id="cpp">
133        <term><command>cpp</command></term>
134        <listitem>
135          <para>The C preprocessor; it is used by the compiler to expand the
136          #include, #define, and similar statements in the source files</para>
137          <indexterm zone="ch-system-gcc cpp">
138            <primary sortas="b-cpp">cpp</primary>
139          </indexterm>
140        </listitem>
141      </varlistentry>
142
143      <varlistentry id="c">
144        <term><command>c++</command></term>
145        <listitem>
146          <para>The C++ compiler</para>
147          <indexterm zone="ch-system-gcc c">
148            <primary sortas="b-c++">c++</primary>
149          </indexterm>
150        </listitem>
151      </varlistentry>
152
153      <varlistentry id="g">
154        <term><command>g++</command></term>
155        <listitem>
156          <para>The C++ compiler</para>
157          <indexterm zone="ch-system-gcc g">
158            <primary sortas="b-g++">g++</primary>
159          </indexterm>
160        </listitem>
161      </varlistentry>
162
163      <varlistentry id="gcc">
164        <term><command>gcc</command></term>
165        <listitem>
166          <para>The C compiler</para>
167          <indexterm zone="ch-system-gcc gcc">
168            <primary sortas="b-gcc">gcc</primary>
169          </indexterm>
170        </listitem>
171      </varlistentry>
172
173      <varlistentry id="gccbug">
174        <term><command>gccbug</command></term>
175        <listitem>
176          <para>A shell script used to help create useful bug reports</para>
177          <indexterm zone="ch-system-gcc gccbug">
178            <primary sortas="b-gccbug">gccbug</primary>
179          </indexterm>
180        </listitem>
181      </varlistentry>
182
183      <varlistentry id="gcov">
184        <term><command>gcov</command></term>
185        <listitem>
186          <para>A coverage testing tool; it is used to analyze programs to
187          determine where optimizations will have the most effect</para>
188          <indexterm zone="ch-system-gcc gcov">
189            <primary sortas="b-gcov">gcov</primary>
190          </indexterm>
191        </listitem>
192      </varlistentry>
193
194      <varlistentry id="libgcc">
195        <term><filename class="libraryfile">libgcc</filename></term>
196        <listitem>
197          <para>Contains run-time support for <command>gcc</command></para>
198          <indexterm zone="ch-system-gcc libgcc">
199            <primary sortas="c-libgcc*">libgcc*</primary>
200          </indexterm>
201        </listitem>
202      </varlistentry>
203
204      <varlistentry id="libmudflap">
205        <term><filename class="libraryfile">libmudflap</filename></term>
206        <listitem>
207          <para>The libmudflap libraries are used by GCC for instrumenting
208          pointer and array defreferncing operations.</para>
209          <indexterm zone="ch-system-gcc libmudflap">
210            <primary sortas="c-libmudflap*">libmudflap*</primary>
211          </indexterm>
212        </listitem>
213      </varlistentry>
214
215      <varlistentry id="libstdc">
216        <term><filename class="libraryfile">libstdc++</filename></term>
217        <listitem>
218          <para>The standard C++ library</para>
219          <indexterm zone="ch-system-gcc libstdc">
220            <primary sortas="c-libstdc++">libstdc++</primary>
221          </indexterm>
222        </listitem>
223      </varlistentry>
224
225      <varlistentry id="libsupc">
226        <term><filename class="libraryfile">libsupc++</filename></term>
227        <listitem>
228          <para>Provides supporting routines for the C++ programming
229          language</para>
230          <indexterm zone="ch-system-gcc libsupc">
231            <primary sortas="c-libsupc++">libsupc++</primary>
232          </indexterm>
233        </listitem>
234      </varlistentry>
235
236    </variablelist>
237
238  </sect2>
239
240</sect1>
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