source: BOOK/final-system/common/gcc.xml@ ac7bee4

clfs-2.1 clfs-3.0.0-systemd clfs-3.0.0-sysvinit systemd sysvinit
Last change on this file since ac7bee4 was 2b220db9, checked in by Chris Staub <chris@…>, 12 years ago

Updates to installed programs lists

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[3f8be484]1<?xml version="1.0" encoding="ISO-8859-1"?>
[aa18ac0]2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
[3f8be484]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
[e05c4f0]28
[3e0fdeb]29 <para os="p1">The following patch contains a number of updates to the
[78ff659f]30 &gcc-version; branch by the GCC developers:</para>
[b369f3c]31
[3e0fdeb]32 <screen os="p2"><userinput>patch -Np1 -i ../&gcc-branch_update-patch;</userinput></screen>
[b369f3c]33
[3f8be484]34 <para os="d">Apply a <command>sed</command> substitution that will suppress the
35 installation of <filename class="libraryfile">libiberty.a</filename>. The
36 version of <filename class="libraryfile">libiberty.a</filename> provided by
37 Binutils will be used instead:</para>
38
39<screen os="e"><userinput>sed -i 's/install_to_$(INSTALL_DEST) //' libiberty/Makefile.in</userinput></screen>
40
41 <para os="f">The GCC documentation recommends building GCC outside of the source
42 directory in a dedicated build directory:</para>
43
[94e6142]44<screen os="g"><userinput>mkdir -v ../gcc-build
[3f8be484]45cd ../gcc-build</userinput></screen>
46
47 <para os="h">Prepare GCC for compilation:</para>
48
[b6831b6]49<screen os="i"><userinput>CC="gcc -isystem /usr/include" \
50CXX="g++ -isystem /usr/include" \
51LDFLAGS="-Wl,-rpath-link,/usr/lib:/lib" \
52 ../gcc-&gcc-version;/configure --prefix=/usr \
[3f8be484]53 --libexecdir=/usr/lib --enable-shared --enable-threads=posix \
54 --enable-__cxa_atexit --enable-c99 --enable-long-long \
[43f3140]55 --enable-clocale=gnu --enable-languages=c,c++ \
[84b164e]56 --disable-multilib --disable-libstdcxx-pch \
57 --enable-cloog-backend=isl</userinput></screen>
[3f8be484]58
[d55f00bc]59 <para os="j">Compile the package:</para>
[3f8be484]60
[f568131]61<screen os="k"><userinput>make</userinput></screen>
[3f8be484]62
[d55f00bc]63 <important os="l">
[121c48a]64 <para>The test suite for GCC is considered
[3f8be484]65 critical. Do not skip it under any circumstance.</para>
66 </important>
67
[d55f00bc]68 <para os="m">Test the results, but do not stop at errors:</para>
[3f8be484]69
[d55f00bc]70<screen os="n"><userinput>make -k check</userinput></screen>
[3f8be484]71
[d55f00bc]72 <para os="o">The <parameter>-k</parameter> flag is used to make the test suite
[3f8be484]73 run through to completion and not stop at the first failure. The GCC test
74 suite is very comprehensive and is almost guaranteed to generate a few
75 failures. To receive a summary of the test suite results, run:</para>
76
[d55f00bc]77<screen os="p"><userinput>../gcc-&gcc-version;/contrib/test_summary</userinput></screen>
[3f8be484]78
[d55f00bc]79 <para os="q">For only the summaries, pipe the output through
[3f8be484]80 <userinput>grep -A7 Summ</userinput>.</para>
81
82 <para os="r">A few unexpected failures cannot always be avoided. The
83 GCC developers are usually aware of these issues, but have not
[d55f00bc]84 resolved them yet.</para>
[3f8be484]85
86 <para os="s">Install the package:</para>
87
88<screen os="t"><userinput>make install</userinput></screen>
89
90 <para os="u">Some packages expect the C preprocessor to be installed in the
91 <filename class="directory">/lib</filename> directory.
92 To support those packages, create this symlink:</para>
93
[94e6142]94<screen os="v"><userinput>ln -sv ../usr/bin/cpp /lib</userinput></screen>
[3f8be484]95
96 <para os="w">Many packages use the name <command>cc</command> to call the C
97 compiler. To satisfy those packages, create a symlink:</para>
98
[94e6142]99<screen os="x"><userinput>ln -sv gcc /usr/bin/cc</userinput></screen>
[3f8be484]100
101 </sect2>
102
103 <sect2 id="contents-gcc" role="content">
104 <title>Contents of GCC</title>
105
106 <segmentedlist>
107 <segtitle>Installed programs</segtitle>
108 <segtitle>Installed libraries</segtitle>
[61ad0b7f]109 <segtitle>Installed directories</segtitle>
[3f8be484]110
111 <seglistitem>
[2b220db9]112 <seg>c++, cc (link to gcc), cpp, g++, gcc, and gcov</seg>
[2cca6fd]113 <seg>libgcc.a, libgcc_eh.a, libgcc_s.so, libgcov.a, libgomp.[a,so],
[188b6b2]114 libmudflap.[a,so], libmudflapth.[a,so], libssp.[a,so],
115 libssp_nonshared.a, libstdc++.[a,so], and libsupc++.a</seg>
[2b220db9]116 <seg>/usr/include/c++, /usr/lib/gcc, /usr/share/gcc-&gcc-version;</seg>
[3f8be484]117 </seglistitem>
118 </segmentedlist>
119
120 <variablelist>
121 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
122 <?dbfo list-presentation="list"?>
123 <?dbhtml list-presentation="table"?>
124
125 <varlistentry id="cc">
126 <term><command>cc</command></term>
127 <listitem>
128 <para>The C compiler</para>
129 <indexterm zone="ch-system-gcc cc">
130 <primary sortas="b-cc">cc</primary>
131 </indexterm>
132 </listitem>
133 </varlistentry>
134
135 <varlistentry id="cpp">
136 <term><command>cpp</command></term>
137 <listitem>
138 <para>The C preprocessor; it is used by the compiler to expand the
139 #include, #define, and similar statements in the source files</para>
140 <indexterm zone="ch-system-gcc cpp">
141 <primary sortas="b-cpp">cpp</primary>
142 </indexterm>
143 </listitem>
144 </varlistentry>
145
146 <varlistentry id="c">
147 <term><command>c++</command></term>
148 <listitem>
149 <para>The C++ compiler</para>
150 <indexterm zone="ch-system-gcc c">
151 <primary sortas="b-c++">c++</primary>
152 </indexterm>
153 </listitem>
154 </varlistentry>
155
156 <varlistentry id="g">
157 <term><command>g++</command></term>
158 <listitem>
159 <para>The C++ compiler</para>
160 <indexterm zone="ch-system-gcc g">
161 <primary sortas="b-g++">g++</primary>
162 </indexterm>
163 </listitem>
164 </varlistentry>
165
166 <varlistentry id="gcc">
167 <term><command>gcc</command></term>
168 <listitem>
169 <para>The C compiler</para>
170 <indexterm zone="ch-system-gcc gcc">
171 <primary sortas="b-gcc">gcc</primary>
172 </indexterm>
173 </listitem>
174 </varlistentry>
175
176 <varlistentry id="gcov">
177 <term><command>gcov</command></term>
178 <listitem>
179 <para>A coverage testing tool; it is used to analyze programs to
180 determine where optimizations will have the most effect</para>
181 <indexterm zone="ch-system-gcc gcov">
182 <primary sortas="b-gcov">gcov</primary>
183 </indexterm>
184 </listitem>
185 </varlistentry>
186
187 <varlistentry id="libgcc">
188 <term><filename class="libraryfile">libgcc</filename></term>
189 <listitem>
190 <para>Contains run-time support for <command>gcc</command></para>
191 <indexterm zone="ch-system-gcc libgcc">
192 <primary sortas="c-libgcc*">libgcc*</primary>
193 </indexterm>
194 </listitem>
195 </varlistentry>
196
[2cca6fd]197 <varlistentry id="libgcov">
198 <term><filename class="libraryfile">libgcov</filename></term>
199 <listitem>
200 <para>Library that is linked into a program when
201 <command>gcc</command> is instructed to enable profiling</para>
202 <indexterm zone="ch-system-gcc libgcov">
203 <primary sortas="c-libgcov">libgcov</primary>
204 </indexterm>
205 </listitem>
206 </varlistentry>
207
[188b6b2]208 <varlistentry id="libgomp">
209 <term><filename class="libraryfile">libgomp</filename></term>
210 <listitem>
211 <para>GNU implementation of the OpenMP API for multi-platform
212 shared-memory parallel programming in C/C++ and Fortran</para>
213 <indexterm zone="ch-system-gcc libgomp">
214 <primary sortas="c-libgomp">libgomp</primary>
215 </indexterm>
216 </listitem>
217 </varlistentry>
218
[12a457e]219 <varlistentry id="libmudflap">
220 <term><filename class="libraryfile">libmudflap</filename></term>
221 <listitem>
222 <para>The libmudflap libraries are used by GCC for instrumenting
[3bec8f3]223 pointer and array dereferencing operations.</para>
[12a457e]224 <indexterm zone="ch-system-gcc libmudflap">
225 <primary sortas="c-libmudflap*">libmudflap*</primary>
226 </indexterm>
227 </listitem>
228 </varlistentry>
229
[188b6b2]230 <varlistentry id="libssp">
231 <term><filename class="libraryfile">libssp</filename></term>
232 <listitem>
233 <para>Contains routines supporting GCC's stack-smashing protection
234 functionality</para>
235 <indexterm zone="ch-system-gcc libssp">
236 <primary sortas="c-libssp*">libssp*</primary>
237 </indexterm>
238 </listitem>
239 </varlistentry>
240
[3f8be484]241 <varlistentry id="libstdc">
242 <term><filename class="libraryfile">libstdc++</filename></term>
243 <listitem>
244 <para>The standard C++ library</para>
245 <indexterm zone="ch-system-gcc libstdc">
246 <primary sortas="c-libstdc++">libstdc++</primary>
247 </indexterm>
248 </listitem>
249 </varlistentry>
250
251 <varlistentry id="libsupc">
252 <term><filename class="libraryfile">libsupc++</filename></term>
253 <listitem>
254 <para>Provides supporting routines for the C++ programming
255 language</para>
256 <indexterm zone="ch-system-gcc libsupc">
257 <primary sortas="c-libsupc++">libsupc++</primary>
258 </indexterm>
259 </listitem>
260 </varlistentry>
261
262 </variablelist>
263
264 </sect2>
265
266</sect1>
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