source: BOOK/final-system/common/gcc.xml@ 0a4f15b

clfs-1.2 clfs-2.1 clfs-3.0.0-systemd clfs-3.0.0-sysvinit systemd sysvinit
Last change on this file since 0a4f15b was b6831b6, checked in by Joe Ciccone <jciccone@…>, 14 years ago

Update the LDFLAGS in the final-system between the installation
of EGLIBC and the installation of GCC. This should fix build errors
in a few odd situations, but it is also correct now. Before /usr/lib*
was not being set in rpath-link, just /lib*.

  • Property mode set to 100644
File size: 9.3 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 -isystem /usr/include" \
44CXX="g++ -isystem /usr/include" \
45LDFLAGS="-Wl,-rpath-link,/usr/lib:/lib" \
46 ../gcc-&gcc-version;/configure --prefix=/usr \
47 --libexecdir=/usr/lib --enable-shared --enable-threads=posix \
48 --enable-__cxa_atexit --enable-c99 --enable-long-long \
49 --enable-clocale=gnu --enable-languages=c,c++ \
50 --disable-multilib --disable-libstdcxx-pch</userinput></screen>
51
52 <para os="j">Compile the package:</para>
53
54<screen os="k"><userinput>make</userinput></screen>
55
56 <important os="l">
57 <para>The test suite for GCC is considered
58 critical. Do not skip it under any circumstance.</para>
59 </important>
60
61 <para os="m">Test the results, but do not stop at errors:</para>
62
63<screen os="n"><userinput>make -k check</userinput></screen>
64
65 <para os="o">The <parameter>-k</parameter> flag is used to make the test suite
66 run through to completion and not stop at the first failure. The GCC test
67 suite is very comprehensive and is almost guaranteed to generate a few
68 failures. To receive a summary of the test suite results, run:</para>
69
70<screen os="p"><userinput>../gcc-&gcc-version;/contrib/test_summary</userinput></screen>
71
72 <para os="q">For only the summaries, pipe the output through
73 <userinput>grep -A7 Summ</userinput>.</para>
74
75 <para os="r">A few unexpected failures cannot always be avoided. The
76 GCC developers are usually aware of these issues, but have not
77 resolved them yet.</para>
78
79 <para os="s">Install the package:</para>
80
81<screen os="t"><userinput>make install</userinput></screen>
82
83 <para os="u">Some packages expect the C preprocessor to be installed in the
84 <filename class="directory">/lib</filename> directory.
85 To support those packages, create this symlink:</para>
86
87<screen os="v"><userinput>ln -sv ../usr/bin/cpp /lib</userinput></screen>
88
89 <para os="w">Many packages use the name <command>cc</command> to call the C
90 compiler. To satisfy those packages, create a symlink:</para>
91
92<screen os="x"><userinput>ln -sv gcc /usr/bin/cc</userinput></screen>
93
94 </sect2>
95
96 <sect2 id="contents-gcc" role="content">
97 <title>Contents of GCC</title>
98
99 <segmentedlist>
100 <segtitle>Installed programs</segtitle>
101 <segtitle>Installed libraries</segtitle>
102 <segtitle>Installed directories</segtitle>
103
104 <seglistitem>
105 <seg>c++, cc (link to gcc), cpp, g++, gcc, gccbug, and gcov</seg>
106 <seg>libgcc.a, libgcc_eh.a, libgcc_s.so, libgcov.a, libgomp.[a,so],
107 libmudflap.[a,so], libmudflapth.[a,so], libssp.[a,so],
108 libssp_nonshared.a, libstdc++.[a,so], and libsupc++.a</seg>
109 <seg>/usr/include/c++, /usr/lib/gcc</seg>
110 </seglistitem>
111 </segmentedlist>
112
113 <variablelist>
114 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
115 <?dbfo list-presentation="list"?>
116 <?dbhtml list-presentation="table"?>
117
118 <varlistentry id="cc">
119 <term><command>cc</command></term>
120 <listitem>
121 <para>The C compiler</para>
122 <indexterm zone="ch-system-gcc cc">
123 <primary sortas="b-cc">cc</primary>
124 </indexterm>
125 </listitem>
126 </varlistentry>
127
128 <varlistentry id="cpp">
129 <term><command>cpp</command></term>
130 <listitem>
131 <para>The C preprocessor; it is used by the compiler to expand the
132 #include, #define, and similar statements in the source files</para>
133 <indexterm zone="ch-system-gcc cpp">
134 <primary sortas="b-cpp">cpp</primary>
135 </indexterm>
136 </listitem>
137 </varlistentry>
138
139 <varlistentry id="c">
140 <term><command>c++</command></term>
141 <listitem>
142 <para>The C++ compiler</para>
143 <indexterm zone="ch-system-gcc c">
144 <primary sortas="b-c++">c++</primary>
145 </indexterm>
146 </listitem>
147 </varlistentry>
148
149 <varlistentry id="g">
150 <term><command>g++</command></term>
151 <listitem>
152 <para>The C++ compiler</para>
153 <indexterm zone="ch-system-gcc g">
154 <primary sortas="b-g++">g++</primary>
155 </indexterm>
156 </listitem>
157 </varlistentry>
158
159 <varlistentry id="gcc">
160 <term><command>gcc</command></term>
161 <listitem>
162 <para>The C compiler</para>
163 <indexterm zone="ch-system-gcc gcc">
164 <primary sortas="b-gcc">gcc</primary>
165 </indexterm>
166 </listitem>
167 </varlistentry>
168
169 <varlistentry id="gccbug">
170 <term><command>gccbug</command></term>
171 <listitem>
172 <para>A shell script used to help create useful bug reports</para>
173 <indexterm zone="ch-system-gcc gccbug">
174 <primary sortas="b-gccbug">gccbug</primary>
175 </indexterm>
176 </listitem>
177 </varlistentry>
178
179 <varlistentry id="gcov">
180 <term><command>gcov</command></term>
181 <listitem>
182 <para>A coverage testing tool; it is used to analyze programs to
183 determine where optimizations will have the most effect</para>
184 <indexterm zone="ch-system-gcc gcov">
185 <primary sortas="b-gcov">gcov</primary>
186 </indexterm>
187 </listitem>
188 </varlistentry>
189
190 <varlistentry id="libgcc">
191 <term><filename class="libraryfile">libgcc</filename></term>
192 <listitem>
193 <para>Contains run-time support for <command>gcc</command></para>
194 <indexterm zone="ch-system-gcc libgcc">
195 <primary sortas="c-libgcc*">libgcc*</primary>
196 </indexterm>
197 </listitem>
198 </varlistentry>
199
200 <varlistentry id="libgcov">
201 <term><filename class="libraryfile">libgcov</filename></term>
202 <listitem>
203 <para>Library that is linked into a program when
204 <command>gcc</command> is instructed to enable profiling</para>
205 <indexterm zone="ch-system-gcc libgcov">
206 <primary sortas="c-libgcov">libgcov</primary>
207 </indexterm>
208 </listitem>
209 </varlistentry>
210
211 <varlistentry id="libgomp">
212 <term><filename class="libraryfile">libgomp</filename></term>
213 <listitem>
214 <para>GNU implementation of the OpenMP API for multi-platform
215 shared-memory parallel programming in C/C++ and Fortran</para>
216 <indexterm zone="ch-system-gcc libgomp">
217 <primary sortas="c-libgomp">libgomp</primary>
218 </indexterm>
219 </listitem>
220 </varlistentry>
221
222 <varlistentry id="libmudflap">
223 <term><filename class="libraryfile">libmudflap</filename></term>
224 <listitem>
225 <para>The libmudflap libraries are used by GCC for instrumenting
226 pointer and array dereferencing operations.</para>
227 <indexterm zone="ch-system-gcc libmudflap">
228 <primary sortas="c-libmudflap*">libmudflap*</primary>
229 </indexterm>
230 </listitem>
231 </varlistentry>
232
233 <varlistentry id="libssp">
234 <term><filename class="libraryfile">libssp</filename></term>
235 <listitem>
236 <para>Contains routines supporting GCC's stack-smashing protection
237 functionality</para>
238 <indexterm zone="ch-system-gcc libssp">
239 <primary sortas="c-libssp*">libssp*</primary>
240 </indexterm>
241 </listitem>
242 </varlistentry>
243
244 <varlistentry id="libstdc">
245 <term><filename class="libraryfile">libstdc++</filename></term>
246 <listitem>
247 <para>The standard C++ library</para>
248 <indexterm zone="ch-system-gcc libstdc">
249 <primary sortas="c-libstdc++">libstdc++</primary>
250 </indexterm>
251 </listitem>
252 </varlistentry>
253
254 <varlistentry id="libsupc">
255 <term><filename class="libraryfile">libsupc++</filename></term>
256 <listitem>
257 <para>Provides supporting routines for the C++ programming
258 language</para>
259 <indexterm zone="ch-system-gcc libsupc">
260 <primary sortas="c-libsupc++">libsupc++</primary>
261 </indexterm>
262 </listitem>
263 </varlistentry>
264
265 </variablelist>
266
267 </sect2>
268
269</sect1>
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