[1fa2099] | 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-system-libffi" role="wrap">
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| 9 | <?dbhtml filename="libffi.html"?>
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| 10 |
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| 11 | <sect1info condition="script">
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| 12 | <productname>libffi</productname>
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| 13 | <productnumber>&libffi-version;</productnumber>
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| 14 | <address>&libffi-url;</address>
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| 15 | </sect1info>
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| 16 |
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| 17 | <title>Libffi-&libffi-version;</title>
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| 18 |
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| 19 | <indexterm zone="ch-system-libffi">
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| 20 | <primary sortas="a-libffi">libffi</primary>
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| 21 | </indexterm>
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| 22 |
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| 23 | <sect2 role="package">
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| 24 | <title/>
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| 25 |
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| 26 | <para>The Libffi library provides a portable, high level programming
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| 27 | interface to various calling conventions. This allows a programmer to call
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| 28 | any function specified by a call interface description at run time.</para>
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| 29 |
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| 30 | <segmentedlist>
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| 31 | <segtitle>&buildtime;</segtitle>
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| 32 | <segtitle>&diskspace;</segtitle>
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| 33 |
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| 34 | <seglistitem>
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[37e35d2] | 35 | <seg>&libffi-fin-sbu;</seg>
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| 36 | <seg>&libffi-fin-du;</seg>
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[1fa2099] | 37 | </seglistitem>
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| 38 | </segmentedlist>
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| 39 |
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| 40 | </sect2>
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| 41 |
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| 42 | <sect2 role="installation">
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| 43 | <title>Installation of Libffi</title>
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| 44 |
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| 45 | <note>
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| 46 | <para>Similar to GMP, libffi builds with optimizations specific
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| 47 | to the proccesor in use. If building for another system, export
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| 48 | CFLAGS and CXXFLAGS to specify a generic build for your architecture.
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| 49 | If this is not done, all applications that link to libffi will trigger
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| 50 | Illegal Operation Errors.</para>
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| 51 | </note>
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[37e35d2] | 52 |
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[1fa2099] | 53 | <para>Prepare libffi for compilation:</para>
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| 54 |
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| 55 | <screen><userinput remap="configure">./configure --prefix=/usr --disable-static --with-gcc-arch=native</userinput></screen>
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| 56 |
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| 57 | <variablelist>
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| 58 | <title>The meaning of the configure option:</title>
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| 59 |
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| 60 | <varlistentry>
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| 61 | <term><parameter>--with-gcc-arch=native</parameter></term>
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| 62 | <listitem>
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[37e35d2] | 63 | <para>Ensure GCC optimizes for the current system. If this
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[1fa2099] | 64 | is not specified, the system is guessed and the code generated
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| 65 | may not be correct for some systems. If the generated code
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| 66 | will be copied from the native system to a less capable
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| 67 | system, use the less capable system as a parameter. For details
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| 68 | about alternative system types, see <ulink
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| 69 | url='https://gcc.gnu.org/onlinedocs/gcc-&gcc-version;/gcc/x86-Options.html'>
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[37e35d2] | 70 | the x86 options in the GCC manual</ulink>.</para>
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[1fa2099] | 71 | </listitem>
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| 72 | </varlistentry>
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| 73 |
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| 74 | </variablelist>
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| 75 |
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| 76 | <para>Compile the package:</para>
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| 77 |
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| 78 | <screen><userinput remap="make">make</userinput></screen>
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| 79 |
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| 80 | <para>To test the results, issue:</para>
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| 81 |
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| 82 | <screen><userinput remap="test">make check</userinput></screen>
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| 83 |
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| 84 | <para>Install the package:</para>
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| 85 |
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| 86 | <screen><userinput remap="install">make install</userinput></screen>
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| 87 |
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| 88 | </sect2>
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| 89 |
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[37e35d2] | 90 | <!-- - - - - - - - - - -->
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| 91 | <!-- Multilib - 32bit -->
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| 92 | <!-- - - - - - - - - - -->
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[ee1a413] | 93 |
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| 94 | <sect2 arch="ml_32,ml_all" role="installation">
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[37e35d2] | 95 | <title>Installation of Libffi - 32bit</title>
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[8eb3fe4] | 96 |
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| 97 | <para>Clean previous build:</para>
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| 98 |
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| 99 | <screen><userinput remap="pre">make distclean</userinput></screen>
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| 100 |
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| 101 | <para>Prepare Libffi for compilation:</para>
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| 102 |
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[37e35d2] | 103 | <screen><userinput remap="configure">CC="gcc -m32" CXX="g++ -m32" ./configure \
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[8eb3fe4] | 104 | --prefix=/usr \
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| 105 | --disable-static \
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[37e35d2] | 106 | --libdir=&usr-lib-m32; \
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[8eb3fe4] | 107 | --with-gcc-arch=i686 \
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| 108 | --host=i686-pc-linux-gnu</userinput></screen>
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| 109 |
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| 110 | <para>Compile the package:</para>
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| 111 |
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| 112 | <screen><userinput remap="make">make</userinput></screen>
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| 113 |
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| 114 | <para>To test the results, issue:</para>
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| 115 |
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| 116 | <screen><userinput remap="test">make check</userinput></screen>
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| 117 |
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| 118 | <para>Install the package:</para>
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| 119 |
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| 120 | <screen><userinput remap="install">make DESTDIR=$PWD/DESTDIR install
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[37e35d2] | 121 | cp -Rv DESTDIR&usr-lib-m32;/* &usr-lib-m32;
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[8eb3fe4] | 122 | rm -rf DESTDIR</userinput></screen>
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| 123 |
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[37e35d2] | 124 | </sect2><!-- m32 -->
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[8eb3fe4] | 125 |
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[37e35d2] | 126 | <!-- - - - - - - - - - -->
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| 127 | <!-- Multilib - x32bit -->
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| 128 | <!-- - - - - - - - - - -->
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[ee1a413] | 129 |
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| 130 | <sect2 arch="ml_x32,ml_all" role="installation">
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[0ca76f9] | 131 | <title>Installation of Libffi - x32bit</title>
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[8eb3fe4] | 132 |
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| 133 | <para>Clean previous build:</para>
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| 134 |
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| 135 | <screen><userinput remap="pre">make distclean</userinput></screen>
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| 136 |
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| 137 | <para>Prepare Libffi for compilation:</para>
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| 138 |
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[37e35d2] | 139 | <screen><userinput remap="configure">CC="gcc -mx32" CXX="g++ -mx32" ./configure \
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| 140 | --prefix=/usr \
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| 141 | --disable-static \
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| 142 | --libdir=&usr-lib-mx32; \
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| 143 | --with-gcc-arch=x86_64 \
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[8eb3fe4] | 144 | --host=x86_64-unknown-linux-gnux32</userinput></screen>
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| 145 |
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| 146 | <para>Compile the package:</para>
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| 147 |
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| 148 | <screen><userinput remap="make">make</userinput></screen>
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| 149 |
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| 150 | <para>To test the results, issue:</para>
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| 151 |
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| 152 | <screen><userinput remap="test">make check</userinput></screen>
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| 153 |
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| 154 | <para>Install the package:</para>
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| 155 |
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| 156 | <screen><userinput remap="install">make DESTDIR=$PWD/DESTDIR install
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[37e35d2] | 157 | cp -Rv DESTDIR&usr-lib-mx32;/* &usr-lib-mx32;
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[8eb3fe4] | 158 | rm -rf DESTDIR</userinput></screen>
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| 159 |
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[37e35d2] | 160 | </sect2><!-- mx32 -->
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[8eb3fe4] | 161 |
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[1fa2099] | 162 | <sect2 id="contents-libffi" role="content">
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| 163 | <title>Contents of Libffi</title>
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| 164 |
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| 165 | <segmentedlist>
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| 166 | <segtitle>Installed library</segtitle>
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| 167 |
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| 168 | <seglistitem>
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| 169 | <seg>libffi.so</seg>
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| 170 | </seglistitem>
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| 171 | </segmentedlist>
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| 172 |
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| 173 | <variablelist>
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| 174 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 175 | <?dbfo list-presentation="list"?>
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| 176 | <?dbhtml list-presentation="table"?>
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| 177 |
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| 178 | <varlistentry id="libffi">
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| 179 | <term><filename class="libraryfile">libffi</filename></term>
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| 180 | <listitem>
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[efa633e] | 181 | <para>contains the foreign function interface API functions</para>
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[1fa2099] | 182 | <indexterm zone="ch-system-libffi">
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| 183 | <primary sortas="c-libffi">libffi</primary>
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| 184 | </indexterm>
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| 185 | </listitem>
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| 186 | </varlistentry>
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| 187 | </variablelist>
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| 188 |
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| 189 | </sect2>
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| 190 |
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| 191 | </sect1>
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| 192 |
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