source: final-system/common/gcc.xml @ 9be8160

Last change on this file since 9be8160 was 9be8160, checked in by Jim Gifford <clfs@…>, 18 years ago

r1069@server (orig r1067): ken | 2006-01-13 05:19:13 -0800
Make gccbug use mktemp, from LFS.

  • Property mode set to 100644
File size: 8.5 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    <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="e1">GCC provides a <command>gccbug</command> script which detects at
45    compile time whether mktemp is present, and hardcodes the result in a test.
46    This will cause the script to fall back to using less random names for
47    temporary files.  We will be installing mktemp later, so the following sed
48    will simulate its presence.</para>
49
50<screen os="e2">sed -i 's/@have_mktemp_command@/yes/' gcc/gccbug.in</screen>
51
52    <para os="f">The GCC documentation recommends building GCC outside of the source
53    directory in a dedicated build directory:</para>
54
55<screen os="g"><userinput>mkdir ../gcc-build
56cd ../gcc-build</userinput></screen>
57
58    <para os="h">Prepare GCC for compilation:</para>
59
60<screen os="i"><userinput>../gcc-&gcc-version;/configure --prefix=/usr \
61    --libexecdir=/usr/lib --enable-shared --enable-threads=posix \
62    --enable-__cxa_atexit --enable-c99 --enable-long-long \
63    --enable-clocale=gnu --enable-languages=c,c++ \
64    --disable-multilib --disable-libstdcxx-pch</userinput></screen>
65
66    <para os="j">Compile the package:</para>
67
68<screen os="k"><userinput>make</userinput></screen>
69
70    <important os="l">
71      <para>In this section, the test suite for GCC is considered
72      critical. Do not skip it under any circumstance.</para>
73    </important>
74
75    <para os="m">Test the results, but do not stop at errors:</para>
76
77<screen os="n"><userinput>make -k check</userinput></screen>
78
79    <para os="o">The <parameter>-k</parameter> flag is used to make the test suite
80    run through to completion and not stop at the first failure. The GCC test
81    suite is very comprehensive and is almost guaranteed to generate a few
82    failures. To receive a summary of the test suite results, run:</para>
83
84<screen os="p"><userinput>../gcc-&gcc-version;/contrib/test_summary</userinput></screen>
85
86    <para os="q">For only the summaries, pipe the output through
87    <userinput>grep -A7 Summ</userinput>.</para>
88
89    <para os="r">A few unexpected failures cannot always be avoided. The
90    GCC developers are usually aware of these issues, but have not
91    resolved them yet.</para>
92
93    <para os="s">Install the package:</para>
94
95<screen os="t"><userinput>make install</userinput></screen>
96
97    <para os="u">Some packages expect the C preprocessor to be installed in the
98    <filename class="directory">/lib</filename> directory.
99    To support those packages, create this symlink:</para>
100
101<screen os="v"><userinput>ln -s ../usr/bin/cpp /lib</userinput></screen>
102
103    <para os="w">Many packages use the name <command>cc</command> to call the C
104    compiler. To satisfy those packages, create a symlink:</para>
105
106<screen os="x"><userinput>ln -s gcc /usr/bin/cc</userinput></screen>
107
108  </sect2>
109
110  <sect2 id="contents-gcc" role="content">
111    <title>Contents of GCC</title>
112
113    <segmentedlist>
114      <segtitle>Installed programs</segtitle>
115      <segtitle>Installed libraries</segtitle>
116
117      <seglistitem>
118        <seg>c++, cc (link to gcc), cpp, g++, gcc, gccbug, and gcov</seg>
119        <seg>libgcc.a, libgcc_eh.a, libgcc_s.so, libmudflap.[a,so],
120        libmudflapth.[a,so], libstdc++.[a,so], and
121        libsupc++.a</seg>
122      </seglistitem>
123    </segmentedlist>
124
125    <variablelist>
126      <bridgehead renderas="sect3">Short Descriptions</bridgehead>
127      <?dbfo list-presentation="list"?>
128      <?dbhtml list-presentation="table"?>
129
130      <varlistentry id="cc">
131        <term><command>cc</command></term>
132        <listitem>
133          <para>The C compiler</para>
134          <indexterm zone="ch-system-gcc cc">
135            <primary sortas="b-cc">cc</primary>
136          </indexterm>
137        </listitem>
138      </varlistentry>
139
140      <varlistentry id="cpp">
141        <term><command>cpp</command></term>
142        <listitem>
143          <para>The C preprocessor; it is used by the compiler to expand the
144          #include, #define, and similar statements in the source files</para>
145          <indexterm zone="ch-system-gcc cpp">
146            <primary sortas="b-cpp">cpp</primary>
147          </indexterm>
148        </listitem>
149      </varlistentry>
150
151      <varlistentry id="c">
152        <term><command>c++</command></term>
153        <listitem>
154          <para>The C++ compiler</para>
155          <indexterm zone="ch-system-gcc c">
156            <primary sortas="b-c++">c++</primary>
157          </indexterm>
158        </listitem>
159      </varlistentry>
160
161      <varlistentry id="g">
162        <term><command>g++</command></term>
163        <listitem>
164          <para>The C++ compiler</para>
165          <indexterm zone="ch-system-gcc g">
166            <primary sortas="b-g++">g++</primary>
167          </indexterm>
168        </listitem>
169      </varlistentry>
170
171      <varlistentry id="gcc">
172        <term><command>gcc</command></term>
173        <listitem>
174          <para>The C compiler</para>
175          <indexterm zone="ch-system-gcc gcc">
176            <primary sortas="b-gcc">gcc</primary>
177          </indexterm>
178        </listitem>
179      </varlistentry>
180
181      <varlistentry id="gccbug">
182        <term><command>gccbug</command></term>
183        <listitem>
184          <para>A shell script used to help create useful bug reports</para>
185          <indexterm zone="ch-system-gcc gccbug">
186            <primary sortas="b-gccbug">gccbug</primary>
187          </indexterm>
188        </listitem>
189      </varlistentry>
190
191      <varlistentry id="gcov">
192        <term><command>gcov</command></term>
193        <listitem>
194          <para>A coverage testing tool; it is used to analyze programs to
195          determine where optimizations will have the most effect</para>
196          <indexterm zone="ch-system-gcc gcov">
197            <primary sortas="b-gcov">gcov</primary>
198          </indexterm>
199        </listitem>
200      </varlistentry>
201
202      <varlistentry id="libgcc">
203        <term><filename class="libraryfile">libgcc</filename></term>
204        <listitem>
205          <para>Contains run-time support for <command>gcc</command></para>
206          <indexterm zone="ch-system-gcc libgcc">
207            <primary sortas="c-libgcc*">libgcc*</primary>
208          </indexterm>
209        </listitem>
210      </varlistentry>
211
212      <varlistentry id="libmudflap">
213        <term><filename class="libraryfile">libmudflap</filename></term>
214        <listitem>
215          <para>The libmudflap libraries are used by GCC for instrumenting
216          pointer and array dereferencing operations.</para>
217          <indexterm zone="ch-system-gcc libmudflap">
218            <primary sortas="c-libmudflap*">libmudflap*</primary>
219          </indexterm>
220        </listitem>
221      </varlistentry>
222
223      <varlistentry id="libstdc">
224        <term><filename class="libraryfile">libstdc++</filename></term>
225        <listitem>
226          <para>The standard C++ library</para>
227          <indexterm zone="ch-system-gcc libstdc">
228            <primary sortas="c-libstdc++">libstdc++</primary>
229          </indexterm>
230        </listitem>
231      </varlistentry>
232
233      <varlistentry id="libsupc">
234        <term><filename class="libraryfile">libsupc++</filename></term>
235        <listitem>
236          <para>Provides supporting routines for the C++ programming
237          language</para>
238          <indexterm zone="ch-system-gcc libsupc">
239            <primary sortas="c-libsupc++">libsupc++</primary>
240          </indexterm>
241        </listitem>
242      </varlistentry>
243
244    </variablelist>
245
246  </sect2>
247
248</sect1>
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