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MakeMaker 3.7
[perl5.git] / installperl
CommitLineData
c623bd54 1#!./perl
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2BEGIN { @INC=('./lib', '../lib') }
3
4use File::Find;
c623bd54 5
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6$mainperldir = "/usr/bin";
7
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8while (@ARGV) {
9 $nonono = 1 if $ARGV[0] eq '-n';
10 $versiononly = 1 if $ARGV[0] eq '-v';
11 shift;
12}
13
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14umask 022;
15
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16@scripts = ('cppstdin', 'c2ph', 'pstruct', 'x2p/s2p', 'x2p/find2perl');
17@manpages = (<pod/*.man>, 'x2p/a2p.man', 'x2p/s2p.man');
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18
19# Read in the config file.
20
21open(CONFIG, "config.sh") || die "You haven't run Configure yet!\n";
22while (<CONFIG>) {
23 if (s/^(\w+=)/\$$1/) {
24 $accum =~ s/'undef'/undef/g;
25 eval $accum;
26 $accum = '';
27 }
28 $accum .= $_;
29}
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30close CONFIG;
31
32open(PERL_C, "perl.c");
33while (<PERL_C>) {
34 last if /Revision:/;
35}
36close PERL_C;
37s/.*Revision: //;
38$major = $_ + 0;
39
40$ver = sprintf("%5.3f", $major + $PATCHLEVEL / 1000);
41$release = substr($ver,0,3);
42$patchlevel = substr($ver,3,2);
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43
44# Do some quick sanity checks.
45
46if ($d_dosuid && $>) { die "You must run as root to install suidperl\n"; }
47
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48 $installbin || die "No installbin directory in config.sh\n";
49-d $installbin || die "$installbin is not a directory\n";
50-w $installbin || die "$installbin is not writable by you\n"
51 unless $installbin =~ m#^/afs/#;
c623bd54 52
fe14fcc3 53-x 'perl' || die "perl isn't executable!\n";
fe14fcc3 54-x 'suidperl' || die "suidperl isn't executable!\n" if $d_dosuid;
c623bd54 55
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56-x 't/TEST' || warn "WARNING: You've never run 'make test'!!!",
57 " (Installing anyway.)\n";
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58
59# First we install the version-numbered executables.
60
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61&unlink("$installbin/perl$ver");
62&cmd("cp perl $installbin/perl$ver");
c623bd54 63
fe14fcc3 64&unlink("$installbin/sperl$ver");
c623bd54 65if ($d_dosuid) {
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66 &cmd("cp suidperl $installbin/sperl$ver");
67 &chmod(04711, "$installbin/sperl$ver");
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68}
69
70exit 0 if $versiononly;
71
fe14fcc3 72# Make links to ordinary names if installbin directory isn't current directory.
c623bd54 73
fe14fcc3 74($bdev,$bino) = stat($installbin);
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75($ddev,$dino) = stat('.');
76
77if ($bdev != $ddev || $bino != $dino) {
85e6fe83 78 &unlink("$installbin/perl", "$installbin/suidperl");
fe14fcc3 79 &link("$installbin/perl$ver", "$installbin/perl");
fe14fcc3 80 &link("$installbin/sperl$ver", "$installbin/suidperl") if $d_dosuid;
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81}
82
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83($bdev,$bino) = stat($installbin);
84($ddev,$dino) = stat('x2p');
85
86if ($bdev != $ddev || $bino != $dino) {
87 &unlink("$installbin/a2p");
88 &cmd("cp x2p/a2p $installbin/a2p");
bee1dbe2 89 &chmod(0755, "$installbin/a2p");
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90}
91
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92# Install scripts.
93
a0d0e21e 94&makedir($installscript);
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95
96for (@scripts) {
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97 if (-f $_) { # cppstdin might not exist on this system.
98 &cmd("cp $_ $installscript");
99 s#.*/##; &chmod(0755, "$installscript/$_");
100 }
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101}
102
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103# Install man pages.
104
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105if ($installmansrc ne '') {
106 &makedir($installmansrc);
fe14fcc3 107
a0d0e21e 108 ($mdev,$mino) = stat($installmansrc);
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109 if ($mdev != $ddev || $mino != $dino) {
110 for (@manpages) {
111 ($new = $_) =~ s/man$/$manext/;
352d5a3a 112 $new =~ s#.*/##;
a0d0e21e 113 print STDERR " Installing $installmansrc/$new\n";
fe14fcc3 114 next if $nonono;
bee1dbe2 115 open(MI,$_) || warn "Can't open $_: $!\n";
a0d0e21e 116 open(MO,">$installmansrc/$new") || warn "Can't install $installmansrc/$new: $!\n";
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117 print MO ".ds RP Release $release Patchlevel $patchlevel\n";
118 while (<MI>) {
119 print MO;
120 }
121 close MI;
122 close MO;
123 }
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124 }
125}
126
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127# Install library files.
128
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129$do_installarchlib = $do_installprivlib = 0;
130
45d8adaa 131&makedir($installprivlib);
a0d0e21e 132&makedir($installarchlib);
45d8adaa 133if (chdir "lib") {
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134 ($pdev,$pino) = stat($installarchlib);
135 ($ldev,$lino) = stat('.');
136 $do_installarchlib = ($pdev != $ldev || $pino != $lino);
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137
138 ($pdev,$pino) = stat($installprivlib);
139 ($ldev,$lino) = stat('.');
a0d0e21e 140 $do_installprivlib = ($pdev != $ldev || $pino != $lino);
45d8adaa 141
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142 if ($do_installarchlib || $do_installprivlib) {
143 find(\&installlib, '.');
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144 }
145 chdir ".." || die "Can't cd back to source directory: $!\n";
146}
147else {
148 warn "Can't cd to lib to install lib files: $!\n";
149}
150
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151# Offer to install perl in a "standard" location
152
153($udev,$uino) = stat($mainperldir);
154
155$mainperl_is_instperl = 0;
156
157if (-w _ && ($udev != $bdev || $uino != $bino) && !$nonono) {
158 # First make sure $mainperldir/perl is not already the same as
159 # the perl we just installed
160 if (-x "$mainperldir/perl") {
161 # Use stat so we detect symbolic links transparently
162 ($mpdev, $mpino) = stat("$mainperldir/perl");
163 ($ipdev, $ipino) = stat("$installbin/perl");
164 # Try to be clever about mainperl being a symbolic link
165 # to binexp/perl if binexp and installbin are different.
166 $mainperl_is_instperl =
167 (($mpdev == $ipdev && $mpino == $ipino) ||
168 (($binexp ne $installbin) &&
169 (-l "$mainperldir/perl") &&
170 ((readlink "$mainperldir/perl") eq "$binexp/perl")));
171 }
172 if ((! $mainperl_is_instperl) &&
173 (&yn("Many scripts expect perl to be installed as " .
174 "$mainperldir/perl.\n" .
175 "Do you wish to have $mainperldir/perl be the same as\n" .
176 "$binexp/perl? [y] ")))
177 {
178 unlink("$mainperldir/perl");
179 eval 'link("$installbin/perl", "$mainperldir/perl")' ||
180 eval 'symlink("$binexp/perl", "$mainperldir/perl")' ||
181 &cmd("cp $installbin/perl $mainperldir");
182 $mainperl_is_instperl = 1;
183 }
184}
185
186# Check to make sure there aren't other perls around in installer's
187# path. This is probably UNIX-specific. Check all absolute directories
188# in the path except for where public executables are supposed to live.
189# Also skip $mainperl if the user opted to have it be a link to the
190# installed perl.
191
192@path = split(/:/, $ENV{"PATH"});
193@otherperls = ();
194for (@path) {
195 next unless m,^/,;
196 next if ($_ eq $binexp);
197 # Use &samepath here because some systems have other dirs linked
198 # to $mainperldir (like SunOS)
199 next if ($mainperl_is_instperl && &samepath($_, $mainperldir));
200 push(@otherperls, "$_/perl") if (-x "$_/perl" && ! -d "$_/perl");
201}
202if (@otherperls) {
203 print STDERR "\nWarning: perl appears in your path in the following " .
204 "locations beyond where\nwe just installed it:\n";
205 for (@otherperls) {
206 print STDERR " ", $_, "\n";
207 }
208 print STDERR "\n";
209}
210
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211print STDERR " Installation complete\n";
212
213exit 0;
214
215###############################################################################
216
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217sub yn {
218 local($prompt) = @_;
219 local($answer);
220 local($default) = $prompt =~ m/\[([yn])\]\s*$/i;
221 print STDERR $prompt;
222 chop($answer = <STDIN>);
223 $answer = $default if $answer =~ m/^\s*$/;
224 ($answer =~ m/^[yY]/);
225}
226
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227sub unlink {
228 local(@names) = @_;
229
230 foreach $name (@names) {
231 next unless -e $name;
232 print STDERR " unlink $name\n";
233 unlink($name) || warn "Couldn't unlink $name: $!\n" unless $nonono;
234 }
235}
236
237sub cmd {
238 local($cmd) = @_;
239 print STDERR " $cmd\n";
240 unless ($nonono) {
241 system $cmd;
242 warn "Command failed!!!\n" if $?;
243 }
244}
245
246sub link {
247 local($from,$to) = @_;
248
249 print STDERR " ln $from $to\n";
250 link($from,$to) || warn "Couldn't link $from to $to: $!\n" unless $nonono;
251}
252
253sub chmod {
254 local($mode,$name) = @_;
255
256 printf STDERR " chmod %o %s\n", $mode, $name;
514dae0d 257 chmod($mode,$name) || warn sprintf("Couldn't chmod %o %s: $!\n",$mode,$name)
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258 unless $nonono;
259}
260
261sub makedir {
262 local($dir) = @_;
263 unless (-d $dir) {
264 local($shortdir) = $dir;
265
266 $shortdir =~ s#(.*)/.*#$1#;
267 &makedir($shortdir);
268
269 print STDERR " mkdir $dir\n";
270 mkdir($dir, 0777) || warn "Couldn't create $dir: $!\n" unless $nonono;
271 }
272}
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273
274sub samepath {
275 local($p1, $p2) = @_;
276 local($dev1, $ino1, $dev2, $ino2);
277
278 if ($p1 ne p2) {
279 ($dev1, $ino1) = stat($p1);
280 ($dev2, $ino2) = stat($p2);
281 ($dev1 == $dev2 && $ino1 == $ino2);
282 }
283 else {
284 1;
285 }
286}
287
288sub installlib {
289 my $dir = $File::Find::dir;
290 $dir =~ s#^\.(?![^/])/?##;
291
292 my $name = $_;
293 $name = "$dir/$name" if $dir ne '';
294
295 my $installlib = $installprivlib;
296 if ((substr($dir, 0, 4) eq 'auto') || ($name eq 'Config.pm')) {
297 $installlib = $installarchlib;
298 return unless $do_installarchlib;
299 } else {
300 return unless $do_installprivlib;
301 }
302
303 &makedir("$installlib/$dir");
304
305 if (-f $_) {
306 system "cmp", "-s", $_, "$installlib/$name";
307 if ($?) {
308 &unlink("$installlib/$name");
309 &cmd("cp $_ $installlib/$dir");
310 &chmod(0644, "$installlib/$name");
311 }
312 } elsif (-d $_) {
313 &makedir("$installlib/$name");
314 }
315}