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-gcc-static" role="wrap"> |
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9 | <?dbhtml filename="gcc-static.html"?> |
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10 | |
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11 | <title>Cross GCC-&gcc-version; - Static</title> |
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12 | |
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13 | <indexterm zone="ch-cross-tools-gcc-static"> |
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14 | <primary sortas="a-GCC">GCC</primary> |
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15 | <secondary>cross tools, static</secondary> |
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16 | </indexterm> |
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17 | |
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18 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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19 | href="../../final-system/common/gcc.xml" |
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20 | xpointer="xpointer(//*[@role='package'])"/> |
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21 | |
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22 | <sect2 role="installation"> |
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23 | <title>Installation of Cross GCC Compiler with Static libgcc |
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24 | and no Threads</title> |
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25 | |
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26 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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27 | href="../../final-system/common/gcc.xml" |
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28 | xpointer="xpointer(//*[@os='p1'])"/> |
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29 | |
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30 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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31 | href="../../final-system/common/gcc.xml" |
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32 | xpointer="xpointer(//*[@os='p2'])"/> |
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33 | |
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34 | <para os="aa">Make a couple of essential adjustments to the specs file |
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35 | to ensure GCC uses our build environment:</para> |
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36 | |
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37 | <screen os="ab"><userinput>patch -Np1 -i ../&gcc-specs-patch;</userinput></screen> |
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38 | |
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39 | <para os="ac">To make sure that a couple of tools use the proper syntax, |
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40 | apply the following patch:</para> |
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41 | |
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42 | <screen os="ad"><userinput>patch -Np1 -i ../&gcc-posix-patch;</userinput></screen> |
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43 | |
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44 | <para os="s1">We will change the default location of the Dynamic Linker to /tools/lib:</para> |
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45 | |
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46 | <screen os="s2"><userinput>for file in $(find gcc/config -name linux64.h -o -name linux.h); do |
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47 | cp -v ${file}{,.orig} |
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48 | sed -e '/GLIBC_DYNAMIC_LINKER/s@"/lib@"/tools/lib@' ${file}.orig > $file |
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49 | done"</userinput></screen> |
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50 | |
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51 | <para os="ag">Change the StartFile Spec to point to the correct library |
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52 | location:</para> |
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53 | |
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54 | <screen os="ah"><userinput>for file in $(find gcc/config -name linux.h -o -name linux64.h); do |
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55 | echo -e '\n#undef STARTFILE_PREFIX_SPEC\n#define STARTFILE_PREFIX_SPEC "/tools/lib"\n' >> ${file}</userinput></screen> |
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56 | |
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57 | <para os="ai">Now alter <command>gcc</command>'s c preprocessor's default |
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58 | include search path to use <filename class="directory">/tools</filename> only:</para> |
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59 | |
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60 | <screen os="aj"><userinput>cp -v gcc/Makefile.in{,.orig} |
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61 | sed -e "s@\(^CROSS_SYSTEM_HEADER_DIR =\).*@\1 /tools/include@g" \ |
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62 | gcc/Makefile.in.orig > gcc/Makefile.in</userinput></screen> |
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63 | |
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64 | <para os="t1">We will create a dummy limits.h so the build will not use the one |
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65 | provided by the host distro:</para> |
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66 | |
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67 | <screen os="t2"><userinput>touch /tools/include/limits.h</userinput></screen> |
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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="../../final-system/common/gcc.xml" |
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71 | xpointer="xpointer(//*[@os='f'])"/> |
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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="../../final-system/common/gcc.xml" |
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75 | xpointer="xpointer(//*[@os='g'])"/> |
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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="../../final-system/common/gcc.xml" |
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79 | xpointer="xpointer(//*[@os='h'])"/> |
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80 | |
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81 | <screen os="al"><userinput>AR=ar LDFLAGS="-Wl,-rpath,/cross-tools/lib" \ |
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82 | ../gcc-&gcc-version;/configure --prefix=/cross-tools \ |
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83 | --build=${CLFS_HOST} --host=${CLFS_HOST} --target=${CLFS_TARGET} \ |
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84 | --disable-multilib --with-local-prefix=/tools --disable-nls \ |
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85 | --without-headers --with-newlib --disable-decimal-float \ |
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86 | --with-mpfr=/cross-tools --with-gmp=/cross-tools \ |
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87 | --disable-libgomp --disable-libmudflap --disable-libssp \ |
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88 | --disable-shared --disable-threads --enable-languages=c</userinput></screen> |
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89 | |
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90 | <variablelist os="am"> |
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91 | <title>The meaning of the configure options:</title> |
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92 | |
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93 | <varlistentry> |
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94 | <term><parameter>--with-local-prefix=/tools</parameter></term> |
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95 | <listitem> |
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96 | <para>The purpose of this switch is to remove <filename |
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97 | class="directory">/usr/local/include</filename> from |
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98 | <command>gcc</command>'s include search path. This is not |
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99 | absolutely essential, however, it helps to minimize the |
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100 | influence of the host system.</para> |
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101 | </listitem> |
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102 | </varlistentry> |
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103 | |
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104 | <varlistentry> |
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105 | <term><parameter>--disable-shared</parameter></term> |
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106 | <listitem> |
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107 | <para>Disables the creation of the shared libraries.</para> |
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108 | </listitem> |
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109 | </varlistentry> |
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110 | |
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111 | <varlistentry> |
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112 | <term><parameter>--disable-threads</parameter></term> |
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113 | <listitem> |
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114 | <para>This will prevent GCC from looking for the multi-thread |
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115 | include files, since they haven't been created for this architecture |
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116 | yet. GCC will be able to find the multi-thread information after |
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117 | the Glibc headers are created.</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>--enable-languages=c</parameter></term> |
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123 | <listitem> |
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124 | <para>This option ensures that only the C compiler is built.</para> |
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125 | </listitem> |
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126 | </varlistentry> |
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127 | |
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128 | </variablelist> |
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129 | |
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130 | <para os="an">Continue with compiling the package:</para> |
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131 | |
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132 | <screen os="ao"><userinput>make</userinput></screen> |
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133 | |
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134 | <para os="ap">Install the package:</para> |
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135 | |
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136 | <screen os="aq"><userinput>make install</userinput></screen> |
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137 | |
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138 | </sect2> |
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139 | |
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140 | <sect2 role="content"> |
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141 | <title/> |
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142 | |
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143 | <para>Details on this package are located in <xref |
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144 | linkend="contents-gcc" role="."/></para> |
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145 | |
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146 | </sect2> |
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147 | |
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148 | </sect1> |
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