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 | <!ENTITY % patches-entities SYSTEM "../../patches.ent"> |
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6 | %general-entities; |
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7 | %patches-entities; |
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8 | ]> |
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9 | |
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10 | <sect1 id="ch-temp-system-gcc" role="wrap"> |
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11 | <?dbhtml filename="gcc.html"?> |
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12 | |
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13 | <title>GCC-&gcc-version;</title> |
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14 | |
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15 | <indexterm zone="ch-temp-system-gcc"> |
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16 | <primary sortas="a-GCC">GCC</primary> |
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17 | <secondary>temporary system</secondary> |
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18 | </indexterm> |
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19 | |
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20 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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21 | href="../../final-system/common/gcc.xml" |
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22 | xpointer="xpointer(//*[@role='package'])"/> |
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23 | |
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24 | <sect2 role="installation"> |
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25 | <title>Installation of GCC</title> |
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26 | |
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27 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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28 | href="../../cross-tools/x86/gcc-static.xml" |
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29 | xpointer="xpointer(//*[@os='aa'])"/> |
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30 | |
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31 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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32 | href="../../cross-tools/x86/gcc-static.xml" |
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33 | xpointer="xpointer(//*[@os='ab'])"/> |
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34 | |
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35 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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36 | href="../../cross-tools/x86/gcc-static.xml" |
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37 | xpointer="xpointer(//*[@os='ac'])"/> |
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38 | |
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39 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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40 | href="../../cross-tools/x86/gcc-static.xml" |
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41 | xpointer="xpointer(//*[@os='ad'])"/> |
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42 | |
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43 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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44 | href="../../cross-tools/x86/gcc-static.xml" |
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45 | xpointer="xpointer(//*[@os='ae'])"/> |
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46 | |
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47 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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48 | href="../../cross-tools/x86/gcc-static.xml" |
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49 | xpointer="xpointer(//*[@os='af'])"/> |
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50 | |
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51 | <para os="cd">Now we will change <command>cpp</command>'s search path not to look in |
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52 | <filename class="directory">/usr/include</filename>:</para> |
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53 | |
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54 | <screen os="ce"><userinput>cp gcc/cppdefault.c{,.orig} |
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55 | sed -e '/#define STANDARD_INCLUDE_DIR/s@"/usr/include"@0@g' \ |
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56 | gcc/cppdefault.c.orig > gcc/cppdefault.c</userinput></screen> |
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57 | |
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58 | <para os="cf">Also, we need to set the directory searched by the fixincludes |
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59 | process for system headers, so it won't look at the host's headers:</para> |
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60 | |
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61 | <screen os="cg"><userinput>cp gcc/Makefile.in{,.orig} |
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62 | sed -e 's@\(^NATIVE_SYSTEM_HEADER_DIR =\).*@\1 /tools/include@g' \ |
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63 | gcc/Makefile.in.orig > gcc/Makefile.in</userinput></screen> |
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64 | |
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65 | <para os="ch">Use our cross-complier instead of the one GCC builds, named |
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66 | <command>xgcc</command>:</para> |
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67 | |
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68 | <screen os="ci"><userinput>cp gcc/mklibgcc.in{,.orig} |
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69 | sed -e "s@\./xgcc@/cross-tools/bin/${CC}@g" \ |
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70 | gcc/mklibgcc.in.orig > gcc/mklibgcc.in</userinput></screen> |
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71 | |
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72 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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73 | href="../../cross-tools/x86/gcc-static.xml" |
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74 | xpointer="xpointer(//*[@os='ak'])"/> |
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75 | |
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76 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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77 | href="../../final-system/common/gcc.xml" |
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78 | xpointer="xpointer(//*[@os='f'])"/> |
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79 | |
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80 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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81 | href="../../final-system/common/gcc.xml" |
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82 | xpointer="xpointer(//*[@os='g'])"/> |
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83 | |
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84 | <para os="cj">Before starting to build GCC, remember to unset any environment |
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85 | variables that override the default optimization flags.</para> |
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86 | |
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87 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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88 | href="../../final-system/common/gcc.xml" |
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89 | xpointer="xpointer(//*[@os='h'])"/> |
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90 | |
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91 | <screen><userinput>../gcc-&gcc-version;/configure --prefix=/tools \ |
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92 | --build=${LFS_HOST} --host=${LFS_TARGET} --target=${LFS_TARGET} \ |
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93 | --libexecdir=/tools/lib --with-local-prefix=/tools --enable-long-long \ |
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94 | --enable-c99 --enable-shared --enable-threads=posix --enable-__cxa_atexit \ |
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95 | --disable-nls --enable-languages=c,c++ --disable-libstdcxx-pch</userinput></screen> |
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96 | |
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97 | <variablelist os="ck"> |
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98 | <title>The meaning of the new configure options:</title> |
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99 | |
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100 | <varlistentry os="ck1"> |
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101 | <term><parameter>--libexecdir=/tools/lib</parameter></term> |
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102 | <listitem> |
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103 | <para>This do ...</para> |
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104 | </listitem> |
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105 | </varlistentry> |
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106 | |
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107 | <varlistentry os="ck2"> |
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108 | <term><parameter>--disable-libstdcxx-pch</parameter></term> |
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109 | <listitem> |
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110 | <para>Do not build the pre-compiled header (PCH) for |
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111 | <filename class="libraryfile">libstdc++</filename>. It takes |
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112 | up a lot of space, and we have no use for it.</para> |
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113 | </listitem> |
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114 | </varlistentry> |
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115 | |
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116 | </variablelist> |
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117 | |
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118 | <para>Compile the package:</para> |
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119 | |
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120 | <screen><userinput>make AS_FOR_TARGET="/cross-tools/bin/${LFS_TARGET}-as" \ |
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121 | LD_FOR_TARGET="/cross-tools/bin/${LFS_TARGET}-ld"</userinput></screen> |
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122 | |
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123 | <para>Install the package:</para> |
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124 | |
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125 | <screen><userinput>make install</userinput></screen> |
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126 | |
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127 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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128 | href="../../final-system/common/gcc.xml" |
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129 | xpointer="xpointer(//*[@os='w'])"/> |
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130 | |
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131 | <screen><userinput>ln -s gcc /tools/bin/cc</userinput></screen> |
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132 | |
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133 | </sect2> |
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134 | |
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135 | <sect2 role="content"> |
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136 | <title/> |
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137 | |
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138 | <para>Details on this package are located in <xref |
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139 | linkend="contents-gcc" role="."/></para> |
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140 | |
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141 | </sect2> |
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142 | |
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143 | </sect1> |
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