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perl5.000 patch.0f: [enable metaconfig (PL48) users to regenerate Configure]
[perl5.git] / installperl
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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"
3edbfbe5 51 unless $installbin =~ m#^/afs/# || $nonono;
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: $!\n";
149}
150
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151# Install header files
152makedir("$installarchlib/CORE");
153foreach $file (<*.h libperl*.a>) {
154 cp_if_diff($file,"$installarchlib/CORE/$file");
155}
156
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157# Offer to install perl in a "standard" location
158
159($udev,$uino) = stat($mainperldir);
160
161$mainperl_is_instperl = 0;
162
163if (-w _ && ($udev != $bdev || $uino != $bino) && !$nonono) {
164 # First make sure $mainperldir/perl is not already the same as
165 # the perl we just installed
166 if (-x "$mainperldir/perl") {
167 # Use stat so we detect symbolic links transparently
168 ($mpdev, $mpino) = stat("$mainperldir/perl");
169 ($ipdev, $ipino) = stat("$installbin/perl");
170 # Try to be clever about mainperl being a symbolic link
171 # to binexp/perl if binexp and installbin are different.
172 $mainperl_is_instperl =
173 (($mpdev == $ipdev && $mpino == $ipino) ||
174 (($binexp ne $installbin) &&
175 (-l "$mainperldir/perl") &&
176 ((readlink "$mainperldir/perl") eq "$binexp/perl")));
177 }
178 if ((! $mainperl_is_instperl) &&
179 (&yn("Many scripts expect perl to be installed as " .
180 "$mainperldir/perl.\n" .
181 "Do you wish to have $mainperldir/perl be the same as\n" .
182 "$binexp/perl? [y] ")))
183 {
184 unlink("$mainperldir/perl");
185 eval 'link("$installbin/perl", "$mainperldir/perl")' ||
186 eval 'symlink("$binexp/perl", "$mainperldir/perl")' ||
187 &cmd("cp $installbin/perl $mainperldir");
188 $mainperl_is_instperl = 1;
189 }
190}
191
192# Check to make sure there aren't other perls around in installer's
193# path. This is probably UNIX-specific. Check all absolute directories
194# in the path except for where public executables are supposed to live.
195# Also skip $mainperl if the user opted to have it be a link to the
196# installed perl.
197
198@path = split(/:/, $ENV{"PATH"});
199@otherperls = ();
200for (@path) {
201 next unless m,^/,;
202 next if ($_ eq $binexp);
203 # Use &samepath here because some systems have other dirs linked
204 # to $mainperldir (like SunOS)
205 next if ($mainperl_is_instperl && &samepath($_, $mainperldir));
206 push(@otherperls, "$_/perl") if (-x "$_/perl" && ! -d "$_/perl");
207}
208if (@otherperls) {
209 print STDERR "\nWarning: perl appears in your path in the following " .
210 "locations beyond where\nwe just installed it:\n";
211 for (@otherperls) {
212 print STDERR " ", $_, "\n";
213 }
214 print STDERR "\n";
215}
216
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217print STDERR " Installation complete\n";
218
219exit 0;
220
221###############################################################################
222
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223sub yn {
224 local($prompt) = @_;
225 local($answer);
226 local($default) = $prompt =~ m/\[([yn])\]\s*$/i;
227 print STDERR $prompt;
228 chop($answer = <STDIN>);
229 $answer = $default if $answer =~ m/^\s*$/;
230 ($answer =~ m/^[yY]/);
231}
232
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233sub unlink {
234 local(@names) = @_;
235
236 foreach $name (@names) {
237 next unless -e $name;
238 print STDERR " unlink $name\n";
239 unlink($name) || warn "Couldn't unlink $name: $!\n" unless $nonono;
240 }
241}
242
243sub cmd {
244 local($cmd) = @_;
245 print STDERR " $cmd\n";
246 unless ($nonono) {
247 system $cmd;
248 warn "Command failed!!!\n" if $?;
249 }
250}
251
252sub link {
253 local($from,$to) = @_;
254
255 print STDERR " ln $from $to\n";
256 link($from,$to) || warn "Couldn't link $from to $to: $!\n" unless $nonono;
257}
258
259sub chmod {
260 local($mode,$name) = @_;
261
262 printf STDERR " chmod %o %s\n", $mode, $name;
514dae0d 263 chmod($mode,$name) || warn sprintf("Couldn't chmod %o %s: $!\n",$mode,$name)
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264 unless $nonono;
265}
266
267sub makedir {
268 local($dir) = @_;
269 unless (-d $dir) {
270 local($shortdir) = $dir;
271
272 $shortdir =~ s#(.*)/.*#$1#;
273 &makedir($shortdir);
274
275 print STDERR " mkdir $dir\n";
276 mkdir($dir, 0777) || warn "Couldn't create $dir: $!\n" unless $nonono;
277 }
278}
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279
280sub samepath {
281 local($p1, $p2) = @_;
282 local($dev1, $ino1, $dev2, $ino2);
283
284 if ($p1 ne p2) {
285 ($dev1, $ino1) = stat($p1);
286 ($dev2, $ino2) = stat($p2);
287 ($dev1 == $dev2 && $ino1 == $ino2);
288 }
289 else {
290 1;
291 }
292}
293
294sub installlib {
295 my $dir = $File::Find::dir;
296 $dir =~ s#^\.(?![^/])/?##;
297
298 my $name = $_;
299 $name = "$dir/$name" if $dir ne '';
300
301 my $installlib = $installprivlib;
302 if ((substr($dir, 0, 4) eq 'auto') || ($name eq 'Config.pm')) {
303 $installlib = $installarchlib;
304 return unless $do_installarchlib;
305 } else {
306 return unless $do_installprivlib;
307 }
308
a0d0e21e 309 if (-f $_) {
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310 if (/\.al$/ || /\.ix$/) {
311 $installlib = $installprivlib;
312 #We're installing *.al and *.ix files into $installprivlib,
313 #but we have to delete old *.al and *.ix files from the 5.000
314 #distribution:
315 &unlink("$installarchlib/$name");
316 }
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317 system "cmp", "-s", $_, "$installlib/$name";
318 if ($?) {
319 &unlink("$installlib/$name");
3edbfbe5 320 &makedir("$installlib/$dir");
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321 &cmd("cp $_ $installlib/$dir");
322 &chmod(0644, "$installlib/$name");
323 }
324 } elsif (-d $_) {
325 &makedir("$installlib/$name");
326 }
327}
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328
329sub cp_if_diff {
330 my($from,$to)=@_;
331 -f $from || die "$0: $from not found";
332 system "cmp", "-s", $from, $to;
333 if ($?) {
334 cmd("cp $from $to");
335 }
336}