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1 @c Copyright (C) 1988-2020 Free Software Foundation, Inc.
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2 @c This is part of the GCC manual.
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3 @c For copying conditions, see the file install.texi.
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4
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5 @ifnothtml
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6 @comment node-name, next, previous, up
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7 @node Old, GNU Free Documentation License, Specific, Top
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8 @end ifnothtml
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9 @html
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10 <h1 align="center">Old installation documentation</h1>
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11 @end html
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12 @ifnothtml
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13 @chapter Old installation documentation
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14 @end ifnothtml
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15
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16 Note most of this information is out of date and superseded by the
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17 previous chapters of this manual. It is provided for historical
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18 reference only, because of a lack of volunteers to merge it into the
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19 main manual.
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20
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21 @ifnothtml
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22 @menu
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23 * Configurations:: Configurations Supported by GCC.
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24 @end menu
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25 @end ifnothtml
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26
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27 Here is the procedure for installing GCC on a GNU or Unix system.
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28
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29 @enumerate
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30 @item
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31 If you have chosen a configuration for GCC which requires other GNU
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32 tools (such as GAS or the GNU linker) instead of the standard system
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33 tools, install the required tools in the build directory under the names
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34 @file{as}, @file{ld} or whatever is appropriate.
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35
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36 Alternatively, you can do subsequent compilation using a value of the
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37 @code{PATH} environment variable such that the necessary GNU tools come
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38 before the standard system tools.
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39
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40 @item
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41 Specify the host, build and target machine configurations. You do this
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42 when you run the @file{configure} script.
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43
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44 The @dfn{build} machine is the system which you are using, the
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45 @dfn{host} machine is the system where you want to run the resulting
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46 compiler (normally the build machine), and the @dfn{target} machine is
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47 the system for which you want the compiler to generate code.
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48
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49 If you are building a compiler to produce code for the machine it runs
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50 on (a native compiler), you normally do not need to specify any operands
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51 to @file{configure}; it will try to guess the type of machine you are on
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52 and use that as the build, host and target machines. So you don't need
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53 to specify a configuration when building a native compiler unless
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54 @file{configure} cannot figure out what your configuration is or guesses
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55 wrong.
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56
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57 In those cases, specify the build machine's @dfn{configuration name}
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58 with the @option{--host} option; the host and target will default to be
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59 the same as the host machine.
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60
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61 Here is an example:
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62
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63 @smallexample
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64 ./configure --host=sparc-sun-sunos4.1
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65 @end smallexample
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66
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67 A configuration name may be canonical or it may be more or less
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68 abbreviated.
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69
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70 A canonical configuration name has three parts, separated by dashes.
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71 It looks like this: @samp{@var{cpu}-@var{company}-@var{system}}.
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72 (The three parts may themselves contain dashes; @file{configure}
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73 can figure out which dashes serve which purpose.) For example,
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74 @samp{m68k-sun-sunos4.1} specifies a Sun 3.
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75
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76 You can also replace parts of the configuration by nicknames or aliases.
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77 For example, @samp{sun3} stands for @samp{m68k-sun}, so
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78 @samp{sun3-sunos4.1} is another way to specify a Sun 3.
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79
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80 You can specify a version number after any of the system types, and some
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81 of the CPU types. In most cases, the version is irrelevant, and will be
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82 ignored. So you might as well specify the version if you know it.
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83
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84 See @ref{Configurations}, for a list of supported configuration names and
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85 notes on many of the configurations. You should check the notes in that
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86 section before proceeding any further with the installation of GCC@.
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87
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88 @end enumerate
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89
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90 @ifnothtml
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91 @node Configurations, , , Old
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92 @section Configurations Supported by GCC
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93 @end ifnothtml
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94 @html
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95 <h2>@anchor{Configurations}Configurations Supported by GCC</h2>
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96 @end html
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97 @cindex configurations supported by GCC
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98
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99 Here are the possible CPU types:
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100
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101 @quotation
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102 @c gmicro, fx80, spur and tahoe omitted since they don't work.
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103 1750a, a29k, alpha, arm, avr, c@var{n}, clipper, dsp16xx, elxsi, fr30, h8300,
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104 hppa1.0, hppa1.1, i370, i386, i486, i586, i686, i786, i860, i960, ip2k, m32r,
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105 m68000, m68k, m88k, mcore, mips, mipsel, mips64, mips64el,
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106 mn10200, mn10300, ns32k, pdp11, powerpc, powerpcle, romp, rs6000, sh, sparc,
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107 sparclite, sparc64, v850, vax, we32k.
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108 @end quotation
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109
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110 Here are the recognized company names. As you can see, customary
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111 abbreviations are used rather than the longer official names.
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112
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113 @c What should be done about merlin, tek*, dolphin?
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114 @quotation
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115 acorn, alliant, altos, apollo, apple, att, bull,
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116 cbm, convergent, convex, crds, dec, dg, dolphin,
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117 elxsi, encore, harris, hitachi, hp, ibm, intergraph, isi,
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118 mips, motorola, ncr, next, ns, omron, plexus,
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119 sequent, sgi, sony, sun, tti, unicom, wrs.
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120 @end quotation
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121
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122 The company name is meaningful only to disambiguate when the rest of
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123 the information supplied is insufficient. You can omit it, writing
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124 just @samp{@var{cpu}-@var{system}}, if it is not needed. For example,
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125 @samp{vax-ultrix4.2} is equivalent to @samp{vax-dec-ultrix4.2}.
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126
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127 Here is a list of system types:
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128
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129 @quotation
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130 386bsd, aix, acis, amigaos, aos, aout, aux, bosx, bsd, clix, coff, ctix, cxux,
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131 dgux, dynix, ebmon, ecoff, elf, esix, freebsd, hms, genix, gnu, linux,
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132 linux-gnu, hiux, hpux, iris, irix, isc, luna, lynxos, mach, minix, msdos, mvs,
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133 netbsd, newsos, nindy, ns, osf, osfrose, ptx, riscix, riscos, rtu, sco, sim,
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134 solaris, sunos, sym, sysv, udi, ultrix, unicos, uniplus, unos, vms, vsta,
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135 vxworks, winnt, xenix.
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136 @end quotation
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137
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138 @noindent
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139 You can omit the system type; then @file{configure} guesses the
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140 operating system from the CPU and company.
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141
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142 You can add a version number to the system type; this may or may not
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143 make a difference. For example, you can write @samp{bsd4.3} or
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144 @samp{bsd4.4} to distinguish versions of BSD@. In practice, the version
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145 number is most needed for @samp{sysv3} and @samp{sysv4}, which are often
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146 treated differently.
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147
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148 @samp{linux-gnu} is the canonical name for the GNU/Linux target; however
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149 GCC will also accept @samp{linux}. The version of the kernel in use is
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150 not relevant on these systems. A suffix such as @samp{libc1} or @samp{aout}
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151 distinguishes major versions of the C library; all of the suffixed versions
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152 are obsolete.
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153
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154 If you specify an impossible combination such as @samp{i860-dg-vms},
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155 then you may get an error message from @file{configure}, or it may
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156 ignore part of the information and do the best it can with the rest.
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157 @file{configure} always prints the canonical name for the alternative
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158 that it used. GCC does not support all possible alternatives.
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159
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160 Often a particular model of machine has a name. Many machine names are
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161 recognized as aliases for CPU/company combinations. Thus, the machine
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162 name @samp{sun3}, mentioned above, is an alias for @samp{m68k-sun}.
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163 Sometimes we accept a company name as a machine name, when the name is
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164 popularly used for a particular machine. Here is a table of the known
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165 machine names:
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166
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167 @quotation
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168 3300, 3b1, 3b@var{n}, 7300, altos3068, altos,
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169 apollo68, att-7300, balance,
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170 convex-c@var{n}, crds, decstation-3100,
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171 decstation, delta, encore,
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172 fx2800, gmicro, hp7@var{nn}, hp8@var{nn},
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173 hp9k2@var{nn}, hp9k3@var{nn}, hp9k7@var{nn},
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174 hp9k8@var{nn}, iris4d, iris, isi68,
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175 m3230, magnum, merlin, miniframe,
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176 mmax, news-3600, news800, news, next,
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177 pbd, pc532, pmax, powerpc, powerpcle, ps2, risc-news,
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178 rtpc, sun2, sun386i, sun386, sun3,
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179 sun4, symmetry, tower-32, tower.
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180 @end quotation
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181
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182 @noindent
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183 Remember that a machine name specifies both the cpu type and the company
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184 name.
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