1 | <?xml version="1.0" encoding="ISO-8859-1"?> |
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" |
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3 | "http://www.oasis-open.org/docbook/xml/4.5/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-cross-tools-toolchain" role="wrap"> |
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9 | <?dbhtml filename="toolchain.html"?> |
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10 | |
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11 | <title>Toolchain</title> |
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12 | |
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13 | <indexterm zone="ch-cross-tools-toolchain"> |
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14 | <primary sortas="a-toolchain">ToolChain</primary> |
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15 | <secondary>cross tools</secondary> |
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16 | </indexterm> |
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17 | |
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18 | <sect2 role="package"> |
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19 | <title/> |
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20 | |
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21 | <para>This section combines Binutils, GCC, GMP, and MPFR packages |
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22 | to create a clean toolchain.</para> |
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23 | |
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24 | </sect2> |
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25 | |
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26 | <sect2 role="installation"> |
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27 | <title>Installation of our Toolchain</title> |
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28 | |
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29 | <para os="na">We are going to extract all the files needed |
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30 | to create our toolchain:</para> |
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31 | |
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32 | <screen os="nb"><userinput>tar -jxf ../gcc-&gcc-version;.tar.bz2 |
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33 | tar -jxf ../binutils-&binutils-version;.tar.bz2 |
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34 | tar -jxf ../mfpr-&mpfr-version;.tar.bz2 |
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35 | tar -jxf ../gmp-&gmp-version;.tar.bz2</userinput></screen> |
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36 | |
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37 | <para os="nc">We are going to create a combined directory for |
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38 | or build:</para> |
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39 | |
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40 | <screen os="nd"><userinput>mkdir -pv sysroot-toolchain |
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41 | cd gcc-&gcc-version;; tar -c * | \ |
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42 | ( cd ../sysroot-toolchain ; tar xf - ) |
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43 | cd ../binutils-&binutils-version;; tar -c * | \ |
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44 | ( cd ../sysroot-toolchain ; tar xf - ) |
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45 | cd ../sysroot-toolchain |
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46 | mv ../mpfr-&mpfr-version; ./mpfr |
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47 | mv ../gmp-&gmp-version; ./gmp</userinput></screen> |
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48 | |
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49 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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50 | href="../common/binutils.xml" |
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51 | xpointer="xpointer(//*[@os='ba'])"/> |
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52 | |
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53 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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54 | href="../common/binutils.xml" |
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55 | xpointer="xpointer(//*[@os='bb'])"/> |
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56 | |
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57 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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58 | href="../common/binutils.xml" |
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59 | xpointer="xpointer(//*[@os='p1'])"/> |
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60 | |
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61 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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62 | href="../common/binutils.xml" |
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63 | xpointer="xpointer(//*[@os='p2'])"/> |
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64 | |
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65 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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66 | href="../multilib/binutils.xml" |
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67 | xpointer="xpointer(//*[@os='aa'])"/> |
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68 | |
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69 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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70 | href="../multilib/binutils.xml" |
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71 | xpointer="xpointer(//*[@os='ab'])"/> |
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72 | |
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73 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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74 | href="../common/gcc-static.xml" |
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75 | xpointer="xpointer(//*[@os='p1'])"/> |
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76 | |
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77 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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78 | href="../common/gcc-static.xml" |
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79 | xpointer="xpointer(//*[@os='p2'])"/> |
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80 | |
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81 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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82 | href="../common/gcc-static.xml" |
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83 | xpointer="xpointer(//*[@os='aa'])"/> |
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84 | |
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85 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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86 | href="../common/gcc-static.xml" |
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87 | xpointer="xpointer(//*[@os='ab'])"/> |
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88 | |
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89 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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90 | href="../common/gcc-static.xml" |
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91 | xpointer="xpointer(//*[@os='ac'])"/> |
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92 | |
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93 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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94 | href="../common/gcc-static.xml" |
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95 | xpointer="xpointer(//*[@os='ad'])"/> |
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96 | |
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97 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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98 | href="../../temp-system/common/gmp.xml" |
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99 | xpointer="xpointer(//*[@os='p1'])"/> |
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100 | |
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101 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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102 | href="../../temp-system/common/gmp.xml" |
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103 | xpointer="xpointer(//*[@os='p2'])"/> |
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104 | |
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105 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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106 | href="../native/gcc.xml" |
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107 | xpointer="xpointer(//*[@os='ng'])"/> |
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108 | |
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109 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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110 | href="../native/gcc.xml" |
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111 | xpointer="xpointer(//*[@os='nh'])"/> |
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112 | |
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113 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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114 | href="../common/gcc-static.xml" |
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115 | xpointer="xpointer(//*[@os='ai'])"/> |
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116 | |
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117 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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118 | href="../common/gcc-static.xml" |
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119 | xpointer="xpointer(//*[@os='aj'])"/> |
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120 | |
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121 | <para os="bd">Finally, disable <option>-B</option> in <filename>configure</filename>, |
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122 | so it doesn't pick up the host's header files:</para> |
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123 | |
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124 | <screen os="be"><userinput>cp -v configure{,.orig} |
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125 | sed -e '/FLAGS_FOR_TARGET.*\/lib\//s@-B[^ ]*/lib/@@g' configure.orig > \ |
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126 | configure</userinput></screen> |
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127 | |
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128 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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129 | href="../common/gcc-static.xml" |
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130 | xpointer="xpointer(//*[@os='f'])"/> |
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131 | |
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132 | <screen os="bf"><userinput>AR=ar AS=as ../sysroot-toolchain/configure \ |
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133 | --with-sysroot=${CLFS} --prefix=/cross-tools \ |
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134 | --target=x86_64-pc-linux-gnu --with-local-prefix=/tools \ |
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135 | --without-headers --with-newlib --disable-nls \ |
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136 | --disable-shared --disable-decimal-float --disable-libgomp \ |
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137 | --disable-libmudflap --disable-libssp --disable-threads \ |
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138 | --enable-languages=c --enable-64-bit-bfd --with-lib-path=/tools/lib</userinput></screen> |
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139 | |
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140 | <variablelist os="bg"> |
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141 | <title>The meaning of the new configure options:</title> |
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142 | |
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143 | <varlistentry os="bg1"> |
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144 | <term><parameter>--enable-languages=c,c++</parameter></term> |
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145 | <listitem> |
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146 | <para>This option ensures that only the C and C++ compilers are built.</para> |
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147 | </listitem> |
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148 | </varlistentry> |
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149 | |
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150 | <varlistentry os="bg2"> |
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151 | <term><parameter>--enable-__cxa_atexit</parameter></term> |
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152 | <listitem> |
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153 | <para>This option allows use of __cxa_atexit, rather than atexit, |
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154 | to register C++ destructors for local statics and global objects |
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155 | and is essential for fully standards-compliant handling of destructors. |
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156 | It also affects the C++ ABI and therefore results in C++ shared libraries |
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157 | and C++ programs that are interoperable with other Linux distributions.</para> |
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158 | </listitem> |
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159 | </varlistentry> |
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160 | |
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161 | <varlistentry os="bg3"> |
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162 | <term><parameter>--enable-c99</parameter></term> |
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163 | <listitem> |
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164 | <para>Enable C99 support for C programs.</para> |
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165 | </listitem> |
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166 | </varlistentry> |
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167 | |
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168 | <varlistentry os="bg4"> |
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169 | <term><parameter>--enable-long-long</parameter></term> |
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170 | <listitem> |
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171 | <para>Enables long long support in the compiler.</para> |
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172 | </listitem> |
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173 | </varlistentry> |
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174 | |
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175 | <varlistentry os="bg5"> |
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176 | <term><parameter>--enable-threads=posix</parameter></term> |
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177 | <listitem> |
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178 | <para>This enables C++ exception handling for multi-threaded code.</para> |
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179 | </listitem> |
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180 | </varlistentry> |
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181 | |
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182 | </variablelist> |
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183 | |
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184 | <para os="bh">Continue with compiling the package:</para> |
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185 | |
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186 | <screen os="bi"><userinput>make</userinput></screen> |
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187 | |
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188 | <para os="bj">Install the package:</para> |
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189 | |
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190 | <screen os="bk"><userinput>make install</userinput></screen> |
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191 | |
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192 | </sect2> |
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193 | |
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194 | <sect2 role="content"> |
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195 | <title/> |
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196 | |
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197 | <para>Details on this package are located in <xref |
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198 | linkend="contents-gcc" role="."/></para> |
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199 | |
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200 | </sect2> |
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201 | |
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202 | </sect1> |
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