source: BOOK/cross-tools/common/gcc-static.xml @ 1440429

clfs-1.2clfs-2.1clfs-3.0.0-systemdclfs-3.0.0-sysvinitsystemdsysvinit
Last change on this file since 1440429 was 1440429, checked in by Chris Staub <chris@…>, 15 years ago

Posix patches no longer needed

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File size: 5.3 KB
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1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3  "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4  <!ENTITY % general-entities SYSTEM "../../general.ent">
5  %general-entities;
6]>
7
8<sect1 id="ch-cross-tools-gcc-static" role="wrap">
9  <?dbhtml filename="gcc-static.html"?>
10
11  <title>Cross GCC-&gcc-version; - Static</title>
12
13  <indexterm zone="ch-cross-tools-gcc-static">
14    <primary sortas="a-GCC">GCC</primary>
15    <secondary>cross tools, static</secondary>
16  </indexterm>
17
18  <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
19  href="../../final-system/common/gcc.xml"
20  xpointer="xpointer(//*[@role='package'])"/>
21
22  <sect2 role="installation">
23    <title>Installation of Cross GCC Compiler with Static libgcc
24    and no Threads</title>
25
26    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
27    href="../../final-system/common/gcc.xml"
28    xpointer="xpointer(//*[@os='p1'])"/>
29
30    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
31    href="../../final-system/common/gcc.xml"
32    xpointer="xpointer(//*[@os='p2'])"/>
33
34    <para os="aa">Make a couple of essential adjustments to the
35    <filename>specs</filename> file to ensure GCC uses our build
36    environment:</para>
37
38<screen os="ab"><userinput>patch -Np1 -i ../&gcc-specs-patch;</userinput></screen>
39
40    <para os="ag">Change the StartFile Spec and Standard Include Dir so that
41    GCC looks in <filename class="directory">/tools</filename>:</para>
42
43<screen os="ah"><userinput>echo -en '#undef STANDARD_INCLUDE_DIR\n#define STANDARD_INCLUDE_DIR "/tools/include/"\n\n' >> gcc/config/linux.h
44echo -en '\n#undef STANDARD_STARTFILE_PREFIX_1\n#define STANDARD_STARTFILE_PREFIX_1 "/tools/lib/"\n' >> gcc/config/linux.h
45echo -en '\n#undef STANDARD_STARTFILE_PREFIX_2\n#define STANDARD_STARTFILE_PREFIX_2 ""\n' >> gcc/config/linux.h</userinput></screen>
46
47    <para os="ai">Now alter <command>gcc</command>'s c preprocessor's default
48    include search path to use <filename class="directory">/tools</filename> only:</para>
49
50<screen os="aj"><userinput>cp -v gcc/Makefile.in{,.orig}
51sed -e "s@\(^CROSS_SYSTEM_HEADER_DIR =\).*@\1 /tools/include@g" \
52    gcc/Makefile.in.orig &gt; gcc/Makefile.in</userinput></screen>
53
54    <para os="t1">We will create a dummy <filename>limits.h</filename> so
55    the build will not use the one provided by the host distro:</para>
56
57<screen os="t2"><userinput>touch /tools/include/limits.h</userinput></screen>
58
59    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
60    href="../../final-system/common/gcc.xml"
61    xpointer="xpointer(//*[@os='f'])"/>
62
63    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
64    href="../../final-system/common/gcc.xml"
65    xpointer="xpointer(//*[@os='g'])"/>
66
67    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
68    href="../../final-system/common/gcc.xml"
69    xpointer="xpointer(//*[@os='h'])"/>
70
71<screen os="al"><userinput>AR=ar LDFLAGS="-Wl,-rpath,/cross-tools/lib" \
72  ../gcc-&gcc-version;/configure --prefix=/cross-tools \
73  --build=${CLFS_HOST} --host=${CLFS_HOST} --target=${CLFS_TARGET} \
74  --with-sysroot=${CLFS} --with-local-prefix=/tools --disable-nls \
75  --disable-shared --with-mpfr=/cross-tools --with-gmp=/cross-tools \
76  --with-ppl=/cross-tools --with-cloog=/cross-tools \
77  --without-headers --with-newlib --disable-decimal-float \
78  --disable-libgomp --disable-libmudflap --disable-libssp \
79  --disable-threads --enable-languages=c --disable-multilib</userinput></screen>
80
81    <variablelist os="am">
82      <title>The meaning of the configure options:</title>
83
84     <varlistentry>
85        <term><parameter>--with-local-prefix=/tools</parameter></term>
86        <listitem>
87          <para>The purpose of this switch is to remove <filename
88          class="directory">/usr/local/include</filename> from
89          <command>gcc</command>'s include search path. This is not
90          absolutely essential, however, it helps to minimize the
91          influence of the host system.</para>
92        </listitem>
93      </varlistentry>
94
95      <varlistentry>
96        <term><parameter>--disable-shared</parameter></term>
97        <listitem>
98          <para>Disables the creation of the shared libraries.</para>
99        </listitem>
100      </varlistentry>
101
102      <varlistentry>
103        <term><parameter>--disable-threads</parameter></term>
104        <listitem>
105          <para>This will prevent GCC from looking for the multi-thread
106          include files, since they haven't been created for this architecture
107          yet. GCC will be able to find the multi-thread information after
108          the Glibc headers are created.</para>
109        </listitem>
110      </varlistentry>
111
112      <varlistentry>
113        <term><parameter>--enable-languages=c</parameter></term>
114        <listitem>
115          <para>This option ensures that only the C compiler is built.</para>
116        </listitem>
117      </varlistentry>
118
119    </variablelist>
120
121    <para os="an">Continue with compiling the package:</para>
122
123<screen os="ao"><userinput>make all-gcc all-target-libgcc</userinput></screen>
124
125    <para os="ap">Install the package:</para>
126
127<screen os="aq"><userinput>make install-gcc install-target-libgcc</userinput></screen>
128
129  </sect2>
130
131  <sect2 role="content">
132    <title/>
133
134    <para>Details on this package are located in <xref
135    linkend="contents-gcc" role="."/></para>
136
137  </sect2>
138
139</sect1>
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