1<html lang="en"> 2<head> 3<title>Installing GCC: Old documentation</title> 4<meta http-equiv="Content-Type" content="text/html"> 5<meta name="description" content="Installing GCC: Old documentation"> 6<meta name="generator" content="makeinfo 4.12"> 7<link title="Top" rel="top" href="#Top"> 8<link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> 9<!-- 10Copyright (C) 1988-2015 Free Software Foundation, Inc. 11 12 Permission is granted to copy, distribute and/or modify this document 13under the terms of the GNU Free Documentation License, Version 1.3 or 14any later version published by the Free Software Foundation; with no 15Invariant Sections, the Front-Cover texts being (a) (see below), and 16with the Back-Cover Texts being (b) (see below). 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It is provided for historical 47reference only, because of a lack of volunteers to merge it into the 48main manual. 49 50 <p>Here is the procedure for installing GCC on a GNU or Unix system. 51 52 <ol type=1 start=1> 53<li>If you have chosen a configuration for GCC which requires other GNU 54tools (such as GAS or the GNU linker) instead of the standard system 55tools, install the required tools in the build directory under the names 56<samp><span class="file">as</span></samp>, <samp><span class="file">ld</span></samp> or whatever is appropriate. 57 58 <p>Alternatively, you can do subsequent compilation using a value of the 59<code>PATH</code> environment variable such that the necessary GNU tools come 60before the standard system tools. 61 62 <li>Specify the host, build and target machine configurations. You do this 63when you run the <samp><span class="file">configure</span></samp> script. 64 65 <p>The <dfn>build</dfn> machine is the system which you are using, the 66<dfn>host</dfn> machine is the system where you want to run the resulting 67compiler (normally the build machine), and the <dfn>target</dfn> machine is 68the system for which you want the compiler to generate code. 69 70 <p>If you are building a compiler to produce code for the machine it runs 71on (a native compiler), you normally do not need to specify any operands 72to <samp><span class="file">configure</span></samp>; it will try to guess the type of machine you are on 73and use that as the build, host and target machines. So you don't need 74to specify a configuration when building a native compiler unless 75<samp><span class="file">configure</span></samp> cannot figure out what your configuration is or guesses 76wrong. 77 78 <p>In those cases, specify the build machine's <dfn>configuration name</dfn> 79with the <samp><span class="option">--host</span></samp> option; the host and target will default to be 80the same as the host machine. 81 82 <p>Here is an example: 83 84 <pre class="smallexample"> /configure --host=sparc-sun-sunos4.1 85</pre> 86 <p>A configuration name may be canonical or it may be more or less 87abbreviated. 88 89 <p>A canonical configuration name has three parts, separated by dashes. 90It looks like this: ‘<samp><var>cpu</var><span class="samp">-</span><var>company</var><span class="samp">-</span><var>system</var></samp>’. 91(The three parts may themselves contain dashes; <samp><span class="file">configure</span></samp> 92can figure out which dashes serve which purpose.) For example, 93‘<samp><span class="samp">m68k-sun-sunos4.1</span></samp>’ specifies a Sun 3. 94 95 <p>You can also replace parts of the configuration by nicknames or aliases. 96For example, ‘<samp><span class="samp">sun3</span></samp>’ stands for ‘<samp><span class="samp">m68k-sun</span></samp>’, so 97‘<samp><span class="samp">sun3-sunos4.1</span></samp>’ is another way to specify a Sun 3. 98 99 <p>You can specify a version number after any of the system types, and some 100of the CPU types. In most cases, the version is irrelevant, and will be 101ignored. So you might as well specify the version if you know it. 102 103 <p>See <a href="#Configurations">Configurations</a>, for a list of supported configuration names and 104notes on many of the configurations. You should check the notes in that 105section before proceeding any further with the installation of GCC. 106 107 </ol> 108 109 <p><h2><a name="Configurations"></a>Configurations Supported by GCC</h2><a name="index-configurations-supported-by-GCC-1"></a> 110Here are the possible CPU types: 111 112 <blockquote> 113<!-- gmicro, fx80, spur and tahoe omitted since they don't work. --> 1141750a, a29k, alpha, arm, avr, c<var>n</var>, clipper, dsp16xx, elxsi, fr30, h8300, 115hppa1.0, hppa1.1, i370, i386, i486, i586, i686, i786, i860, i960, ip2k, m32r, 116m68000, m68k, m88k, mcore, mips, mipsel, mips64, mips64el, 117mn10200, mn10300, ns32k, pdp11, powerpc, powerpcle, romp, rs6000, sh, sparc, 118sparclite, sparc64, v850, vax, we32k. 119</blockquote> 120 121 <p>Here are the recognized company names. As you can see, customary 122abbreviations are used rather than the longer official names. 123 124<!-- What should be done about merlin, tek*, dolphin? --> 125 <blockquote> 126acorn, alliant, altos, apollo, apple, att, bull, 127cbm, convergent, convex, crds, dec, dg, dolphin, 128elxsi, encore, harris, hitachi, hp, ibm, intergraph, isi, 129mips, motorola, ncr, next, ns, omron, plexus, 130sequent, sgi, sony, sun, tti, unicom, wrs. 131</blockquote> 132 133 <p>The company name is meaningful only to disambiguate when the rest of 134the information supplied is insufficient. You can omit it, writing 135just ‘<samp><var>cpu</var><span class="samp">-</span><var>system</var></samp>’, if it is not needed. For example, 136‘<samp><span class="samp">vax-ultrix4.2</span></samp>’ is equivalent to ‘<samp><span class="samp">vax-dec-ultrix4.2</span></samp>’. 137 138 <p>Here is a list of system types: 139 140 <blockquote> 141386bsd, aix, acis, amigaos, aos, aout, aux, bosx, bsd, clix, coff, ctix, cxux, 142dgux, dynix, ebmon, ecoff, elf, esix, freebsd, hms, genix, gnu, linux, 143linux-gnu, hiux, hpux, iris, irix, isc, luna, lynxos, mach, minix, msdos, mvs, 144netbsd, newsos, nindy, ns, osf, osfrose, ptx, riscix, riscos, rtu, sco, sim, 145solaris, sunos, sym, sysv, udi, ultrix, unicos, uniplus, unos, vms, vsta, 146vxworks, winnt, xenix. 147</blockquote> 148 149<p class="noindent">You can omit the system type; then <samp><span class="file">configure</span></samp> guesses the 150operating system from the CPU and company. 151 152 <p>You can add a version number to the system type; this may or may not 153make a difference. For example, you can write ‘<samp><span class="samp">bsd4.3</span></samp>’ or 154‘<samp><span class="samp">bsd4.4</span></samp>’ to distinguish versions of BSD. In practice, the version 155number is most needed for ‘<samp><span class="samp">sysv3</span></samp>’ and ‘<samp><span class="samp">sysv4</span></samp>’, which are often 156treated differently. 157 158 <p>‘<samp><span class="samp">linux-gnu</span></samp>’ is the canonical name for the GNU/Linux target; however 159GCC will also accept ‘<samp><span class="samp">linux</span></samp>’. The version of the kernel in use is 160not relevant on these systems. A suffix such as ‘<samp><span class="samp">libc1</span></samp>’ or ‘<samp><span class="samp">aout</span></samp>’ 161distinguishes major versions of the C library; all of the suffixed versions 162are obsolete. 163 164 <p>If you specify an impossible combination such as ‘<samp><span class="samp">i860-dg-vms</span></samp>’, 165then you may get an error message from <samp><span class="file">configure</span></samp>, or it may 166ignore part of the information and do the best it can with the rest. 167<samp><span class="file">configure</span></samp> always prints the canonical name for the alternative 168that it used. GCC does not support all possible alternatives. 169 170 <p>Often a particular model of machine has a name. Many machine names are 171recognized as aliases for CPU/company combinations. Thus, the machine 172name ‘<samp><span class="samp">sun3</span></samp>’, mentioned above, is an alias for ‘<samp><span class="samp">m68k-sun</span></samp>’. 173Sometimes we accept a company name as a machine name, when the name is 174popularly used for a particular machine. Here is a table of the known 175machine names: 176 177 <blockquote> 1783300, 3b1, 3b<var>n</var>, 7300, altos3068, altos, 179apollo68, att-7300, balance, 180convex-c<var>n</var>, crds, decstation-3100, 181decstation, delta, encore, 182fx2800, gmicro, hp7<var>nn</var>, hp8<var>nn</var>, 183hp9k2<var>nn</var>, hp9k3<var>nn</var>, hp9k7<var>nn</var>, 184hp9k8<var>nn</var>, iris4d, iris, isi68, 185m3230, magnum, merlin, miniframe, 186mmax, news-3600, news800, news, next, 187pbd, pc532, pmax, powerpc, powerpcle, ps2, risc-news, 188rtpc, sun2, sun386i, sun386, sun3, 189sun4, symmetry, tower-32, tower. 190</blockquote> 191 192<p class="noindent">Remember that a machine name specifies both the cpu type and the company 193name. 194<hr /> 195<p><a href="/index.html">Return to the GCC Installation page</a> 196 197<!-- ***GFDL******************************************************************** --> 198<!-- *************************************************************************** --> 199<!-- Part 6 The End of the Document --> 200</body></html> 201 202