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-cross-tools-gcc-static" role="wrap"> |
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11 | <?dbhtml filename="gcc-static.html"?> |
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12 | |
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13 | <title>Cross GCC-&gcc-version; - Static</title> |
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14 | |
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15 | <indexterm zone="ch-cross-tools-gcc-static"> |
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16 | <primary sortas="a-GCC">GCC</primary> |
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17 | <secondary>cross tools, static</secondary> |
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18 | </indexterm> |
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19 | |
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20 | <sect2 role="package"> |
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21 | <title/> |
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22 | |
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23 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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24 | href="../../final-system/common/gcc.xml" |
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25 | xpointer="xpointer(//*[@role='package']/para[1])"/> |
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26 | |
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27 | <segmentedlist> |
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28 | <segtitle>&buildtime;</segtitle> |
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29 | <segtitle>&diskspace;</segtitle> |
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30 | |
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31 | <seglistitem> |
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32 | <seg>Not checked yet</seg> |
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33 | <seg>Not checked yet</seg> |
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34 | </seglistitem> |
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35 | </segmentedlist> |
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36 | |
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37 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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38 | href="../../final-system/common/gcc.xml" |
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39 | xpointer="xpointer(//*[@role='package']/segmentedlist[2])"/> |
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40 | |
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41 | </sect2> |
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42 | |
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43 | <sect2 role="installation"> |
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44 | <title>Installation of Cross GCC Compiler with Static libgcc |
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45 | and no Threads</title> |
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46 | |
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47 | <para os="aa">We will make a couple of essential adjustments to the specs file |
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48 | to point to use our build environment:</para> |
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49 | |
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50 | <screen os="ab"><userinput>patch -Np1 -i ../&gcc-specs-patch;</userinput></screen> |
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51 | |
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52 | <para os="ac">To make sure that we use the proper syntax for a couple of tools, |
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53 | we apply the following patch:</para> |
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54 | |
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55 | <screen os="ad"><userinput>patch -Np1 -i ../&gcc-posix-patch;</userinput></screen> |
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56 | |
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57 | <para os="ae">The following patch ensures that <command>gcc</command> does not |
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58 | search the <filename class="directory">/usr</filename> directory for |
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59 | <filename class="libraryfile">libgcc_s.so</filename> when |
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60 | cross-compling:</para> |
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61 | |
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62 | <screen os="af"><userinput>patch -Np1 -i ../&gcc-cross_search-patch;</userinput></screen> |
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63 | |
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64 | <para os="ag">Now we will need to setup our StartFile Spec to the correct library |
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65 | location:</para> |
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66 | |
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67 | <screen os="ah"><userinput>echo " |
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68 | #undef STARTFILE_PREFIX_SPEC |
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69 | #define STARTFILE_PREFIX_SPEC \"/tools/lib/\"" >> gcc/config/linux.h</userinput></screen> |
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70 | |
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71 | <para os="ai">Now we will change <command>gcc</command>'s search path to look |
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72 | into <filename class="directory">/tools</filename> only:</para> |
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73 | |
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74 | <screen os="aj"><userinput>cp gcc/Makefile.in{,.orig} |
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75 | sed -e "s@\(^CROSS_SYSTEM_HEADER_DIR =\).*@\1 /tools/include@g" \ |
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76 | gcc/Makefile.in.orig > gcc/Makefile.in</userinput></screen> |
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77 | |
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78 | <important os="ak"> |
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79 | <para>The above patches and sed's are critical in ensuring a |
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80 | successful overall build. Do not forget to apply them.</para> |
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81 | </important> |
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82 | |
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83 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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84 | href="../../final-system/common/gcc.xml" |
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85 | xpointer="xpointer(//*[@os='f'])"/> |
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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='g'])"/> |
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90 | |
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91 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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92 | href="../../final-system/common/gcc.xml" |
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93 | xpointer="xpointer(//*[@os='h'])"/> |
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94 | |
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95 | <screen><userinput>../gcc-&gcc-version;/configure --prefix=/cross-tools \ |
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96 | --host=${LFS_HOST} --target=${LFS_TARGET} \ |
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97 | --with-local-prefix=/tools --disable-nls --disable-shared \ |
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98 | --disable-threads --enable-languages=c</userinput></screen> |
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99 | |
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100 | <variablelist os="al"> |
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101 | <title>The meaning of the configure options:</title> |
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102 | |
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103 | <varlistentry> |
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104 | <term><parameter>--with-local-prefix=/tools</parameter></term> |
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105 | <listitem> |
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106 | <para>The purpose of this switch is to remove <filename |
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107 | class="directory">/usr/local/include</filename> from |
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108 | <command>gcc</command>'s include search path. This is not |
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109 | absolutely essential, however, it helps to minimize the |
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110 | influence of the host system.</para> |
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111 | </listitem> |
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112 | </varlistentry> |
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113 | |
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114 | <varlistentry> |
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115 | <term><parameter>--disable-shared</parameter></term> |
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116 | <listitem> |
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117 | <para>Disables the creation of the shared libraries.</para> |
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118 | </listitem> |
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119 | </varlistentry> |
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120 | |
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121 | <varlistentry> |
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122 | <term><parameter>--disable-threads</parameter></term> |
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123 | <listitem> |
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124 | <para>This will prevent GCC from finding the multi-thread |
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125 | include files, since we haven't created them for this architecture |
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126 | yet. We will be able to find the multi-thread information after |
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127 | we create the Glibc headers.</para> |
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128 | </listitem> |
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129 | </varlistentry> |
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130 | |
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131 | <varlistentry> |
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132 | <term><parameter>--enable-languages=c</parameter></term> |
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133 | <listitem> |
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134 | <para>This option ensures that only the C compiler is built.</para> |
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135 | </listitem> |
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136 | </varlistentry> |
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137 | |
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138 | </variablelist> |
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139 | |
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140 | <para>Continue with compiling the package:</para> |
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141 | |
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142 | <screen><userinput>make all-gcc</userinput></screen> |
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143 | |
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144 | <para>Install the package:</para> |
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145 | |
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146 | <screen><userinput>make install-gcc</userinput></screen> |
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147 | |
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148 | </sect2> |
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149 | |
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150 | <sect2 role="content"> |
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151 | <title/> |
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152 | |
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153 | <para>Details on this package are located in <xref |
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154 | linkend="contents-gcc" role="."/></para> |
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155 | |
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156 | </sect2> |
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157 | |
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158 | </sect1> |
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