source: BOOK/cross-tools/common/gcc-static.xml@ 6d97d5f

clfs-3.0.0-systemd clfs-3.0.0-sysvinit systemd sysvinit
Last change on this file since 6d97d5f was 00fc57e7, checked in by Chris Staub <chris@…>, 11 years ago

Removed cloog-backend parameter from GCC configure - GCC now uses ISL by default
  • Property mode set to 100644
File size: 7.8 KB
Line 
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/2001/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/2001/XInclude"
27 href="../../final-system/common/gcc.xml"
28 xpointer="xpointer(//*[@os='p1'])"/>
29
30 <xi:include xmlns:xi="http://www.w3.org/2001/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 so that GCC looks in
41<filename class="directory">/tools</filename>:</para>
42
43<screen os="ah"><userinput>echo -en '\n#undef STANDARD_STARTFILE_PREFIX_1\n#define STANDARD_STARTFILE_PREFIX_1 "/tools/lib/"\n' >> gcc/config/linux.h
44echo -en '\n#undef STANDARD_STARTFILE_PREFIX_2\n#define STANDARD_STARTFILE_PREFIX_2 ""\n' >> gcc/config/linux.h</userinput></screen>
45
46 <para os="t1">We will create a dummy <filename>limits.h</filename> so
47 the build will not use the one provided by the host distro:</para>
48
49<screen os="t2"><userinput>touch /tools/include/limits.h</userinput></screen>
50
51 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
52 href="../../final-system/common/gcc.xml"
53 xpointer="xpointer(//*[@os='f'])"/>
54
55 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
56 href="../../final-system/common/gcc.xml"
57 xpointer="xpointer(//*[@os='g'])"/>
58
59 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
60 href="../../final-system/common/gcc.xml"
61 xpointer="xpointer(//*[@os='h'])"/>
62
63<screen os="al"><userinput>AR=ar LDFLAGS="-Wl,-rpath,/cross-tools/lib" \
64 ../gcc-&gcc-version;/configure --prefix=/cross-tools \
65 --build=${CLFS_HOST} --host=${CLFS_HOST} --target=${CLFS_TARGET} \
66 --with-sysroot=${CLFS} --with-local-prefix=/tools \
67 --with-native-system-header-dir=/tools/include --disable-nls \
68 --disable-shared --with-mpfr=/cross-tools --with-gmp=/cross-tools \
69 --with-isl=/cross-tools --with-cloog=/cross-tools --with-mpc=/cross-tools \
70 --without-headers --with-newlib --disable-decimal-float --disable-libgomp \
71 --disable-libmudflap --disable-libssp --disable-libatomic --disable-libitm \
72 --disable-libsanitizer --disable-libquadmath --disable-threads \
73 --disable-multilib --disable-target-zlib --with-system-zlib \
74 --disable-isl-version-check --enable-languages=c --enable-checking=release</userinput></screen>
75
76 <variablelist os="am">
77 <title>The meaning of the new configure options:</title>
78
79 <varlistentry>
80 <term><parameter>--with-local-prefix=/tools</parameter></term>
81 <listitem>
82 <para>The purpose of this switch is to remove <filename
83 class="directory">/usr/local/include</filename> from
84 <command>gcc</command>'s include search path. This is not
85 absolutely essential, however, it helps to minimize the
86 influence of the host system.</para>
87 </listitem>
88 </varlistentry>
89
90
91 <varlistentry>
92 <term><parameter>--with-native-system-headers-dir=/tools/include</parameter></term>
93 <listitem>
94 <para>This switch ensures that GCC will search for the system headers
95 in <filename class="directory">/tools/include</filename> and that
96 host system headers will not be searched.</para>
97 </listitem>
98 </varlistentry>
99
100 <varlistentry>
101 <term><parameter>--without-headers</parameter></term>
102 <listitem>
103 <para>Disables GCC from using the target's Libc when cross compiling.</para>
104 </listitem>
105 </varlistentry>
106
107 <varlistentry>
108 <term><parameter>--with-newlib</parameter></term>
109 <listitem>
110 <para>Tells GCC that the target libc will use 'newlib'.</para>
111 </listitem>
112 </varlistentry>
113
114 <varlistentry>
115 <term><parameter>--disable-decimal-float</parameter></term>
116 <listitem>
117 <para>Disables support for the C decimal floating point extension.</para>
118 </listitem>
119 </varlistentry>
120
121 <varlistentry>
122 <term><parameter>--disable-lib*</parameter></term>
123 <listitem>
124 <para>These options prevent GCC from building a number of libraries
125 that are not needed at this time.</para>
126 </listitem>
127 </varlistentry>
128
129 <varlistentry>
130 <term><parameter>--disable-threads</parameter></term>
131 <listitem>
132 <para>This will prevent GCC from looking for the multi-thread
133 include files, since they haven't been created for this architecture
134 yet. GCC will be able to find the multi-thread information after
135 the Glibc headers are created.</para>
136 </listitem>
137 </varlistentry>
138
139 <varlistentry>
140 <term><parameter>--disable-target-zlib</parameter></term>
141 <listitem>
142 <para>This tells GCC stuff.</para>
143 </listitem>
144 </varlistentry>
145
146 <varlistentry>
147 <term><parameter>--with-system-zlib</parameter></term>
148 <listitem>
149 <para>This tells GCC to link to the system-installed zlib instead
150 of the one in its source tree.</para>
151 </listitem>
152 </varlistentry>
153
154 <varlistentry>
155 <term><parameter>--disable-isl-version-check</parameter></term>
156 <listitem>
157 <para>This prevents GCC from checking the version of the installed
158 ISL.</para>
159 </listitem>
160 </varlistentry>
161
162 <varlistentry>
163 <term><parameter>--enable-languages=c</parameter></term>
164 <listitem>
165 <para>This option ensures that only the C compiler is built.</para>
166 </listitem>
167 </varlistentry>
168
169 <varlistentry>
170 <term><parameter>--enable-checking=release</parameter></term>
171 <listitem>
172 <para>This option selects the complexity of the internal consistency checks and adds error checking within the compiler.</para>
173 </listitem>
174 </varlistentry>
175
176 </variablelist>
177
178 <para os="an">Continue with compiling the package:</para>
179
180<screen os="ao"><userinput>make all-gcc all-target-libgcc</userinput></screen>
181
182 <variablelist os="ap">
183 <title>The meaning of the new make options:</title>
184
185 <varlistentry>
186 <term><parameter>all-gcc all-target-libgcc</parameter></term>
187 <listitem>
188 <para>Compiles only the parts of GCC that are needed at this time,
189 rather than the full package.</para>
190 </listitem>
191 </varlistentry>
192
193 </variablelist>
194
195 <para os="aq">Install the package:</para>
196
197<screen os="ar"><userinput>make install-gcc install-target-libgcc</userinput></screen>
198
199 <para os="as">Copy <filename class="headerfile">libiberty.h</filename> to
200 <filename class="directory">/tools/include</filename> directory:</para>
201
202<screen os="at"><userinput>cp -v ../gcc-&gcc-version;/include/libiberty.h /tools/include</userinput></screen>
203
204 </sect2>
205
206 <sect2 role="content">
207 <title/>
208
209 <para>Details on this package are located in <xref
210 linkend="contents-gcc" role="."/></para>
211
212 </sect2>
213
214</sect1>
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