1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
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3 | "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
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4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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5 | %general-entities;
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6 | ]>
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7 |
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8 | <sect1 id="ch-system-gcc" role="wrap">
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9 | <?dbhtml filename="gcc.html"?>
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10 |
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11 | <title>GCC-&gcc-version;</title>
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12 |
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13 | <indexterm zone="ch-system-gcc">
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14 | <primary sortas="a-GCC">GCC</primary>
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15 | </indexterm>
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16 |
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17 | <sect2 role="package">
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18 | <title/>
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19 |
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20 | <para>The GCC package contains the GNU compiler collection, which includes
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21 | the C and C++ compilers.</para>
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22 |
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23 | <segmentedlist>
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24 | <segtitle>&dependencies;</segtitle>
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25 |
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26 | <seglistitem>
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27 | <seg>Bash, Binutils, Coreutils, Diffutils, Findutils,
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28 | Gawk, Gettext, Glibc, Grep, Make, Perl, Sed, and Texinfo</seg>
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29 | </seglistitem>
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30 | </segmentedlist>
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31 |
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32 | </sect2>
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33 |
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34 | <sect2 role="installation">
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35 | <title>Installation of GCC</title>
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36 |
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37 | <para os="d">Apply a <command>sed</command> substitution that will suppress the
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38 | installation of <filename class="libraryfile">libiberty.a</filename>. The
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39 | version of <filename class="libraryfile">libiberty.a</filename> provided by
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40 | Binutils will be used instead:</para>
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41 |
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42 | <screen os="e"><userinput>sed -i 's/install_to_$(INSTALL_DEST) //' libiberty/Makefile.in</userinput></screen>
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43 |
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44 | <para os="f">The GCC documentation recommends building GCC outside of the source
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45 | directory in a dedicated build directory:</para>
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46 |
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47 | <screen os="g"><userinput>mkdir ../gcc-build
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48 | cd ../gcc-build</userinput></screen>
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49 |
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50 | <para os="h">Prepare GCC for compilation:</para>
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51 |
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52 | <screen os="i"><userinput>../gcc-&gcc-version;/configure --prefix=/usr \
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53 | --libexecdir=/usr/lib --enable-shared --enable-threads=posix \
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54 | --enable-__cxa_atexit --enable-c99 --enable-long-long \
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55 | --enable-clocale=gnu --enable-languages=c,c++ --disable-libstdcxx-pch</userinput></screen>
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56 |
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57 | <para os="j">Compile the package:</para>
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58 |
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59 | <screen os="k"><userinput>make</userinput></screen>
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60 |
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61 | <important os="l">
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62 | <para>In this section, the test suite for GCC is considered
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63 | critical. Do not skip it under any circumstance.</para>
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64 | </important>
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65 |
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66 | <para os="m">Test the results, but do not stop at errors:</para>
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67 |
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68 | <screen os="n"><userinput>make -k check</userinput></screen>
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69 |
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70 | <para os="o">The <parameter>-k</parameter> flag is used to make the test suite
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71 | run through to completion and not stop at the first failure. The GCC test
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72 | suite is very comprehensive and is almost guaranteed to generate a few
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73 | failures. To receive a summary of the test suite results, run:</para>
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74 |
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75 | <screen os="p"><userinput>../gcc-&gcc-version;/contrib/test_summary</userinput></screen>
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76 |
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77 | <para os="q">For only the summaries, pipe the output through
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78 | <userinput>grep -A7 Summ</userinput>.</para>
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79 |
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80 | <para os="r">A few unexpected failures cannot always be avoided. The
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81 | GCC developers are usually aware of these issues, but have not
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82 | resolved them yet.</para>
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83 |
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84 | <para os="s">Install the package:</para>
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85 |
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86 | <screen os="t"><userinput>make install</userinput></screen>
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87 |
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88 | <para os="u">Some packages expect the C preprocessor to be installed in the
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89 | <filename class="directory">/lib</filename> directory.
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90 | To support those packages, create this symlink:</para>
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91 |
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92 | <screen os="v"><userinput>ln -s ../usr/bin/cpp /lib</userinput></screen>
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93 |
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94 | <para os="w">Many packages use the name <command>cc</command> to call the C
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95 | compiler. To satisfy those packages, create a symlink:</para>
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96 |
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97 | <screen os="x"><userinput>ln -s gcc /usr/bin/cc</userinput></screen>
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98 |
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99 | </sect2>
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100 |
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101 | <sect2 id="contents-gcc" role="content">
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102 | <title>Contents of GCC</title>
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103 |
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104 | <segmentedlist>
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105 | <segtitle>Installed programs</segtitle>
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106 | <segtitle>Installed libraries</segtitle>
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107 |
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108 | <seglistitem>
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109 | <seg>c++, cc (link to gcc), cpp, g++, gcc, gccbug, and gcov</seg>
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110 | <seg>libgcc.a, libgcc_eh.a, libgcc_s.so, libmudflap.[a,so],
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111 | libmudflapth.[a,so], libstdc++.[a,so], and
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112 | libsupc++.a</seg>
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113 | </seglistitem>
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114 | </segmentedlist>
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115 |
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116 | <variablelist>
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117 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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118 | <?dbfo list-presentation="list"?>
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119 | <?dbhtml list-presentation="table"?>
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120 |
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121 | <varlistentry id="cc">
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122 | <term><command>cc</command></term>
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123 | <listitem>
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124 | <para>The C compiler</para>
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125 | <indexterm zone="ch-system-gcc cc">
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126 | <primary sortas="b-cc">cc</primary>
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127 | </indexterm>
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128 | </listitem>
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129 | </varlistentry>
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130 |
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131 | <varlistentry id="cpp">
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132 | <term><command>cpp</command></term>
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133 | <listitem>
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134 | <para>The C preprocessor; it is used by the compiler to expand the
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135 | #include, #define, and similar statements in the source files</para>
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136 | <indexterm zone="ch-system-gcc cpp">
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137 | <primary sortas="b-cpp">cpp</primary>
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138 | </indexterm>
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139 | </listitem>
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140 | </varlistentry>
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141 |
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142 | <varlistentry id="c">
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143 | <term><command>c++</command></term>
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144 | <listitem>
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145 | <para>The C++ compiler</para>
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146 | <indexterm zone="ch-system-gcc c">
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147 | <primary sortas="b-c++">c++</primary>
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148 | </indexterm>
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149 | </listitem>
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150 | </varlistentry>
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151 |
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152 | <varlistentry id="g">
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153 | <term><command>g++</command></term>
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154 | <listitem>
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155 | <para>The C++ compiler</para>
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156 | <indexterm zone="ch-system-gcc g">
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157 | <primary sortas="b-g++">g++</primary>
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158 | </indexterm>
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159 | </listitem>
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160 | </varlistentry>
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161 |
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162 | <varlistentry id="gcc">
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163 | <term><command>gcc</command></term>
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164 | <listitem>
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165 | <para>The C compiler</para>
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166 | <indexterm zone="ch-system-gcc gcc">
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167 | <primary sortas="b-gcc">gcc</primary>
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168 | </indexterm>
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169 | </listitem>
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170 | </varlistentry>
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171 |
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172 | <varlistentry id="gccbug">
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173 | <term><command>gccbug</command></term>
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174 | <listitem>
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175 | <para>A shell script used to help create useful bug reports</para>
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176 | <indexterm zone="ch-system-gcc gccbug">
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177 | <primary sortas="b-gccbug">gccbug</primary>
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178 | </indexterm>
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179 | </listitem>
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180 | </varlistentry>
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181 |
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182 | <varlistentry id="gcov">
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183 | <term><command>gcov</command></term>
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184 | <listitem>
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185 | <para>A coverage testing tool; it is used to analyze programs to
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186 | determine where optimizations will have the most effect</para>
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187 | <indexterm zone="ch-system-gcc gcov">
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188 | <primary sortas="b-gcov">gcov</primary>
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189 | </indexterm>
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190 | </listitem>
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191 | </varlistentry>
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192 |
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193 | <varlistentry id="libgcc">
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194 | <term><filename class="libraryfile">libgcc</filename></term>
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195 | <listitem>
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196 | <para>Contains run-time support for <command>gcc</command></para>
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197 | <indexterm zone="ch-system-gcc libgcc">
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198 | <primary sortas="c-libgcc*">libgcc*</primary>
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199 | </indexterm>
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200 | </listitem>
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201 | </varlistentry>
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202 |
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203 | <varlistentry id="libstdc">
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204 | <term><filename class="libraryfile">libstdc++</filename></term>
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205 | <listitem>
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206 | <para>The standard C++ library</para>
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207 | <indexterm zone="ch-system-gcc libstdc">
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208 | <primary sortas="c-libstdc++">libstdc++</primary>
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209 | </indexterm>
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210 | </listitem>
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211 | </varlistentry>
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212 |
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213 | <varlistentry id="libsupc">
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214 | <term><filename class="libraryfile">libsupc++</filename></term>
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215 | <listitem>
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216 | <para>Provides supporting routines for the C++ programming
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217 | language</para>
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218 | <indexterm zone="ch-system-gcc libsupc">
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219 | <primary sortas="c-libsupc++">libsupc++</primary>
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220 | </indexterm>
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221 | </listitem>
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222 | </varlistentry>
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223 |
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224 | </variablelist>
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225 |
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226 | </sect2>
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227 |
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228 | </sect1>
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