[perl5.git] / installperl

#!./perl
BEGIN { @INC=('./lib', '../lib') }
use File::Find;
use File::Compare;
use File::Path ();
use Config;
use subs qw(unlink rename link chmod);

# override the ones in the rest of the script
sub mkpath
{
  File::Path::mkpath(@_) unless $nonono;
}

$mainperldir = "/usr/bin";
$exe_ext = $Config{exe_ext};

while (@ARGV) {
    $nonono = 1 if $ARGV[0] eq '-n';
    $versiononly = 1 if $ARGV[0] eq '-v';
    shift;
}

umask 022;

@scripts = qw(	utils/c2ph utils/h2ph utils/h2xs
		utils/perlbug utils/perldoc utils/pl2pm utils/splain
		x2p/s2p x2p/find2perl
		pod/pod2man pod/pod2html pod/pod2latex pod/pod2text);

@pods = (<pod/*.pod>);

%archpms = (Config => 1, FileHandle => 1, overload => 1);
find(sub {
	if ("$File::Find::dir/$_" =~ m{^ext/[^/]+/(.*)\.pm$}) {
	    (my $pm = $1) =~ s{^lib/}{};
	    $archpms{$pm} = 1;
	}
    }, 'ext');

$ver = $];
$release = substr($ver,0,3);   # Not used presently.
$patchlevel = substr($ver,3,2);
die "Patchlevel of perl ($patchlevel)",
    "and patchlevel of config.sh ($Config{'PATCHLEVEL'}) don't match\n"
	if $patchlevel != $Config{'PATCHLEVEL'};

# Fetch some frequently-used items from %Config
$installbin = $Config{installbin};
$installscript = $Config{installscript};
$installprivlib = $Config{installprivlib};
$installarchlib = $Config{installarchlib};
$installsitelib = $Config{installsitelib};
$installsitearch = $Config{installsitearch};
$installman1dir = $Config{installman1dir};
$man1ext = $Config{man1ext};
$libperl = $Config{libperl};
# Shared library and dynamic loading suffixes.
$so = $Config{so};
$dlext = $Config{dlext};

$d_dosuid = $Config{d_dosuid};
$binexp = $Config{binexp};

# Do some quick sanity checks.

if ($d_dosuid && $>) { die "You must run as root to install suidperl\n"; }

   $installbin		|| die "No installbin directory in config.sh\n";
-d $installbin		|| mkpath($installbin, 1, 0777);
-d $installbin		|| $nonono || die "$installbin is not a directory\n";
-w $installbin		|| $nonono || die "$installbin is not writable by you\n"
	unless $installbin =~ m#^/afs/# || $nonono;

-x 'perl' . $exe_ext	|| die "perl isn't executable!\n";
-x 'suidperl' . $exe_ext|| die "suidperl isn't executable!\n" if $d_dosuid;

-x 't/TEST'		|| warn "WARNING: You've never run 'make test'!!!",
	"  (Installing anyway.)\n";

# First we install the version-numbered executables.

&safe_unlink("$installbin/perl$ver$exe_ext");
&cmd("cp perl$exe_ext $installbin/perl$ver$exe_ext");
&chmod(0755, "$installbin/perl$ver$exe_ext");

&safe_unlink("$installbin/sperl$ver$exe_ext");
if ($d_dosuid) {
    &cmd("cp suidperl$exe_ext $installbin/sperl$ver$exe_ext");
    &chmod(04711, "$installbin/sperl$ver$exe_ext");
}

# Install library files.

$do_installarchlib = $do_installprivlib = 0;
    
mkpath($installprivlib, 1, 0777);
mkpath($installarchlib, 1, 0777);
mkpath($installsitelib, 1, 0777) if ($installsitelib);
mkpath($installsitearch, 1, 0777) if ($installsitearch);

if (chdir "lib") {
    $do_installarchlib = ! &samepath($installarchlib, '.');
    $do_installprivlib = ! &samepath($installprivlib, '.');
    $do_installprivlib = 0 if $versiononly && !($installprivlib =~ m/\Q$]/);

    if ($do_installarchlib || $do_installprivlib) {
	find(\&installlib, '.');
    }
    chdir ".." || die "Can't cd back to source directory: $!\n";
}
else {
    warn "Can't cd to lib to install lib files: $!\n";
}

# Install header files and libraries.
mkpath("$installarchlib/CORE", 1, 0777);
@corefiles = <*.h libperl*.*>;
# AIX needs perl.exp installed as well.
push(@corefiles,'perl.exp') if $^O eq 'aix';
# If they have built sperl.o...
push(@corefiles,'sperl.o') if -f 'sperl.o';
foreach $file (@corefiles) {
    # HP-UX (at least) needs to maintain execute permissions
    # on dynamically-loaded libraries.
    cp_if_diff($file,"$installarchlib/CORE/$file")
	and &chmod($file =~ /^\.(so|$dlext)$/ ? 0555 : 0444,
		   "$installarchlib/CORE/$file");
}

# Offer to install perl in a "standard" location

$mainperl_is_instperl = 0;

if (!$versiononly && !$nonono && -t STDIN && -t STDERR
	&& -w $mainperldir && ! &samepath($mainperldir, $installbin)) {
    local($usrbinperl)	= "$mainperldir/perl$exe_ext";
    local($instperl)	= "$installbin/perl$exe_ext";
    local($expinstperl)	= "$binexp/perl$exe_ext";

    # First make sure $usrbinperl is not already the same as the perl we
    # just installed.
    if (-x $usrbinperl) {
	# Try to be clever about mainperl being a symbolic link
	# to binexp/perl if binexp and installbin are different.
	$mainperl_is_instperl =
	    &samepath($usrbinperl, $instperl) ||
	    &samepath($usrbinperl, $expinstperl) ||
	     (($binexp ne $installbin) &&
	      (-l $usrbinperl) &&
	      ((readlink $usrbinperl) eq $expinstperl));
    }
    if ((! $mainperl_is_instperl) &&
	(&yn("Many scripts expect perl to be installed as $usrbinperl.\n" . 
	     "Do you wish to have $usrbinperl be the same as\n" .
	     "$expinstperl? [y] ")))
    {	
	unlink($usrbinperl);
	eval { CORE::link $instperl, $usrbinperl } ||
	    eval { symlink $expinstperl, $usrbinperl } ||
		cmd("cp $instperl $usrbinperl");
	$mainperl_is_instperl = 1;
    }
}

# Make links to ordinary names if installbin directory isn't current directory.

if (! $versiononly && ! &samepath($installbin, '.')) {
    &safe_unlink("$installbin/perl$exe_ext", "$installbin/suidperl$exe_ext");
    &link("$installbin/perl$ver$exe_ext", "$installbin/perl$exe_ext");
    &link("$installbin/sperl$ver$exe_ext", "$installbin/suidperl$exe_ext") 
      if $d_dosuid;
}

if (!$versiononly && ! &samepath($installbin, 'x2p')) {
    &safe_unlink("$installbin/a2p$exe_ext");
    &cmd("cp x2p/a2p$exe_ext $installbin/a2p$exe_ext");
    &chmod(0755, "$installbin/a2p$exe_ext");
}

# cppstdin is just a script, but it is architecture-dependent, so
# it can't safely be shared.  Place it in $installbin.
# Note that Configure doesn't build cppstin if it isn't needed, so
# we skip this if cppstdin doesn't exist.
if (! $versiononly && (-f cppstdin) && (! &samepath($installbin, '.'))) {
    &safe_unlink("$installbin/cppstdin");
    &cmd("cp cppstdin $installbin/cppstdin");
    &chmod(0755, "$installbin/cppstdin");
}

# Install scripts.

mkpath($installscript, 1, 0777);

if (! $versiononly) {
    for (@scripts) {
        &cmd("cp $_ $installscript");
        s#.*/##; &chmod(0755, "$installscript/$_");
    }
}

# pstruct should be a link to c2ph

if (! $versiononly) {
    &safe_unlink("$installscript/pstruct");
    &link("$installscript/c2ph","$installscript/pstruct");
}

# Install pod pages.  Where? I guess in $installprivlib/pod.

if (! $versiononly && !($installprivlib =~ m/\Q$]/)) {
    mkpath("${installprivlib}/pod", 1, 0777);
    foreach $file (@pods) {
	# $file is a name like  pod/perl.pod
	cp_if_diff($file, "${installprivlib}/${file}");
    }
}

# Check to make sure there aren't other perls around in installer's
# path.  This is probably UNIX-specific.  Check all absolute directories
# in the path except for where public executables are supposed to live.
# Also skip $mainperl if the user opted to have it be a link to the
# installed perl.

if (!$versiononly) {

    $dirsep = ($^O eq 'os2') ? ';' : ':' ;
    ($path = $ENV{"PATH"}) =~ s:\\:/:g ;
    @path = split(/$dirsep/, $path);
    @otherperls = ();
    for (@path) {
	next unless m,^/,;
	# Use &samepath here because some systems have other dirs linked
	# to $mainperldir (like SunOS)
	next if &samepath($_, $binexp);
	next if ($mainperl_is_instperl && &samepath($_, $mainperldir));
	push(@otherperls, "$_/perl$exe_ext")
	    if (-x "$_/perl$exe_ext" && ! -d "$_/perl$exe_ext");
    }
    if (@otherperls) {
	print STDERR "\nWarning: perl appears in your path in the following " .
	    "locations beyond where\nwe just installed it:\n";
	for (@otherperls) {
	    print STDERR "    ", $_, "\n";
	}
	print STDERR "\n";
    }

}

print STDERR "  Installation complete\n";

exit 0;

###############################################################################

sub yn {
    local($prompt) = @_;
    local($answer);
    local($default) = $prompt =~ m/\[([yn])\]\s*$/i;
    print STDERR $prompt;
    chop($answer = <STDIN>);
    $answer = $default if $answer =~ m/^\s*$/;
    ($answer =~ m/^[yY]/);
}

sub unlink {
    local(@names) = @_;
    my($cnt) = 0;

    foreach $name (@names) {
	next unless -e $name;
	chmod 0777, $name if $^O eq 'os2';
	print STDERR "  unlink $name\n";
	( CORE::unlink($name) and ++$cnt 
	  or warn "Couldn't unlink $name: $!\n" ) unless $nonono;
    }
    return $cnt;
}

sub safe_unlink {
    local(@names) = @_;

    foreach $name (@names) {
	next unless -e $name;
	next if $nonono;
	chmod 0777, $name if $^O eq 'os2';
	print STDERR "  unlink $name\n";
	next if CORE::unlink($name);
	warn "Couldn't unlink $name: $!\n";
	if ($! =~ /busy/i) {
	    print STDERR "  mv $name $name.old\n";
	    &rename($name, "$name.old") || warn "Couldn't rename $name: $!\n";
	}
    }
}

sub cmd {
    local($cmd) = @_;
    print STDERR "  $cmd\n";
    unless ($nonono) {
	system $cmd;
	warn "Command failed!!!\n" if $?;
    }
}

sub rename {
    local($from,$to) = @_;
    if (-f $to and not unlink($to)) {
	my($i);
	for ($i = 1; $i < 50; $i++) {
	    last if CORE::rename($to, "$to.$i");
	}
	warn("Cannot rename to `$to.$i': $!"), return 0 
	   if $i >= 50;	# Give up!
    }
    link($from,$to) || return 0;
    unlink($from);
}

sub link {
    my($from,$to) = @_;
    my($success) = 0;

    print STDERR "  ln $from $to\n";
    eval {
      CORE::link($from,$to) ? $success++ : warn "Couldn't link $from to $to: $!\n" unless $nonono;
    };
    if ($@) {
      system( $cp, $from, $to )==0 ? $success++ :
	warn "Couldn't copy $from to $to: $!\n" unless $nonono;
    }
    $success;
}

sub chmod {
    local($mode,$name) = @_;

    printf STDERR "  chmod %o %s\n", $mode, $name;
    CORE::chmod($mode,$name) || warn sprintf("Couldn't chmod %o %s: $!\n",$mode,$name)
	unless $nonono;
}

sub samepath {
    local($p1, $p2) = @_;
    local($dev1, $ino1, $dev2, $ino2);

    if ($p1 ne $p2) {
	($dev1, $ino1) = stat($p1);
	($dev2, $ino2) = stat($p2);
	($dev1 == $dev2 && $ino1 == $ino2);
    }
    else {
	1;
    }
}

sub installlib {
    my $dir = $File::Find::dir;
    $dir =~ s#^\.(?![^/])/?##;
    local($depth) = $dir ? "lib/$dir" : "lib";

    my $name = $_;
    
    # ignore patch backups and the .exists files.
    return if $name =~ m{\.orig$|~$|^\.exists};

    $name = "$dir/$name" if $dir ne '';

    my $installlib = $installprivlib;
    if ($dir =~ /^auto/ ||
	  ($name =~ /^(.*)\.(?:pm|pod)$/ && $archpms{$1})) {
        $installlib = $installarchlib;
	return unless $do_installarchlib;
    } else {
	return unless $do_installprivlib;
    }

    if (-f $_) {
	if (/\.al$/ || /\.ix$/) {
	    $installlib = $installprivlib;
	    #We're installing *.al and *.ix files into $installprivlib,
	    #but we have to delete old *.al and *.ix files from the 5.000
	    #distribution:
	    #This might not work because $archname might have changed.
	    &unlink("$installarchlib/$name");
	}
	if (compare($_, "$installlib/$name") || $nonono) {
	    &unlink("$installlib/$name");
	    mkpath("$installlib/$dir", 1, 0777);
	    # HP-UX (at least) needs to maintain execute permissions
	    # on dynamically-loaded libraries.
	    cp_if_diff($_, "$installlib/$name")
		and &chmod($name =~ /\.(so|$dlext)$/o ? 0555 : 0444,
			   "$installlib/$name");
	}
    } elsif (-d $_) {
	mkpath("$installlib/$name", 1, 0777);
    }
}

# Copy $from to $to, only if $from is different than $to.
# Also preserve modification times for .a libraries.
# On some systems, if you do
#   ranlib libperl.a
#   cp libperl.a /usr/local/lib/perl5/archlib/CORE/libperl.a
# and then try to link against the installed libperl.a, you might
# get an error message to the effect that the symbol table is older
# than the library.
# Return true if copying occurred.
sub cp_if_diff {
    my($from,$to)=@_;
    -f $from || die "$0: $from not found";
    if (compare($from, $to) || $nonono) {
	my ($atime, $mtime);
	unlink($to);   # In case we don't have write permissions.
        if ($nonono) {
            $from = $depth . "/" . $from if $depth;
        }
	cmd("cp $from $to");
	# Restore timestamps if it's a .a library.
	if ($to =~ /\.a$/ or $^O eq 'os2') {	# For binary install
	    ($atime, $mtime) = (stat $from)[8,9];
	    utime $atime, $mtime, $to;
	}
	1;
    }
}
Commit	Line	Data
c623bd54	1	#!./perl
a0d0e21e	2	BEGIN { @INC=('./lib', '../lib') }
a0d0e21e	3	use File::Find;
5f05dabc	4	use File::Compare;
0ecb046b	5	use File::Path ();
4633a7c4	6	use Config;
39add537	7	use subs qw(unlink rename link chmod);
c623bd54	8
0ecb046b SH	9	# override the ones in the rest of the script
	10	sub mkpath
	11	{
	12	File::Path::mkpath(@_) unless $nonono;
	13	}
	14
bee1dbe2	15	$mainperldir = "/usr/bin";
39add537	16	$exe_ext = $Config{exe_ext};
bee1dbe2	17
c623bd54 LW	18	while (@ARGV) {
	19	$nonono = 1 if $ARGV[0] eq '-n';
	20	$versiononly = 1 if $ARGV[0] eq '-v';
	21	shift;
	22	}
	23
45d8adaa LW	24	umask 022;
45d8adaa LW	25
1fef88e7	26	@scripts = qw( utils/c2ph utils/h2ph utils/h2xs
5f05dabc	27	utils/perlbug utils/perldoc utils/pl2pm utils/splain
dd6decf0	28	x2p/s2p x2p/find2perl
dd6decf0	29	pod/pod2man pod/pod2html pod/pod2latex pod/pod2text);
16d20bd9	30
16d20bd9	31	@pods = (<pod/*.pod>);
c623bd54	32
1dd15ed4 CS	33	%archpms = (Config => 1, FileHandle => 1, overload => 1);
	34	find(sub {
	35	if ("$File::Find::dir/$_" =~ m{^ext/[^/]+/(.*)\.pm$}) {
	36	(my $pm = $1) =~ s{^lib/}{};
	37	$archpms{$pm} = 1;
	38	}
	39	}, 'ext');
	40
748a9306	41	$ver = $];
4633a7c4	42	$release = substr($ver,0,3); # Not used presently.
bee1dbe2	43	$patchlevel = substr($ver,3,2);
748a9306	44	die "Patchlevel of perl ($patchlevel)",
4633a7c4 LW	45	"and patchlevel of config.sh ($Config{'PATCHLEVEL'}) don't match\n"
	46	if $patchlevel != $Config{'PATCHLEVEL'};
	47
	48	# Fetch some frequently-used items from %Config
	49	$installbin = $Config{installbin};
	50	$installscript = $Config{installscript};
	51	$installprivlib = $Config{installprivlib};
	52	$installarchlib = $Config{installarchlib};
	53	$installsitelib = $Config{installsitelib};
	54	$installsitearch = $Config{installsitearch};
	55	$installman1dir = $Config{installman1dir};
	56	$man1ext = $Config{man1ext};
15792f64	57	$libperl = $Config{libperl};
4633a7c4 LW	58	# Shared library and dynamic loading suffixes.
	59	$so = $Config{so};
	60	$dlext = $Config{dlext};
	61
	62	$d_dosuid = $Config{d_dosuid};
	63	$binexp = $Config{binexp};
c623bd54 LW	64
	65	# Do some quick sanity checks.
	66
	67	if ($d_dosuid && $>) { die "You must run as root to install suidperl\n"; }
	68
fe14fcc3	69	$installbin \|\| die "No installbin directory in config.sh\n";
fcbdbaa8	70	-d $installbin \|\| mkpath($installbin, 1, 0777);
0ecb046b SH	71	-d $installbin \|\| $nonono \|\| die "$installbin is not a directory\n";
0ecb046b SH	72	-w $installbin \|\| $nonono \|\| die "$installbin is not writable by you\n"
3edbfbe5	73	unless $installbin =~ m#^/afs/# \|\| $nonono;
c623bd54	74
39add537	75	-x 'perl' . $exe_ext \|\| die "perl isn't executable!\n";
39add537	76	-x 'suidperl' . $exe_ext\|\| die "suidperl isn't executable!\n" if $d_dosuid;
c623bd54	77
fe14fcc3 LW	78	-x 't/TEST' \|\| warn "WARNING: You've never run 'make test'!!!",
fe14fcc3 LW	79	" (Installing anyway.)\n";
c623bd54 LW	80
	81	# First we install the version-numbered executables.
	82
39add537	83	&safe_unlink("$installbin/perl$ver$exe_ext");
39add537	84	&cmd("cp perl$exe_ext $installbin/perl$ver$exe_ext");
36477c24	85	&chmod(0755, "$installbin/perl$ver$exe_ext");
c623bd54	86
39add537	87	&safe_unlink("$installbin/sperl$ver$exe_ext");
c623bd54	88	if ($d_dosuid) {
39add537	89	&cmd("cp suidperl$exe_ext $installbin/sperl$ver$exe_ext");
39add537	90	&chmod(04711, "$installbin/sperl$ver$exe_ext");
c623bd54 LW	91	}
c623bd54 LW	92
45d8adaa LW	93	# Install library files.
45d8adaa LW	94
a0d0e21e LW	95	$do_installarchlib = $do_installprivlib = 0;
a0d0e21e LW	96
fcbdbaa8	97	mkpath($installprivlib, 1, 0777);
	98	mkpath($installarchlib, 1, 0777);
	99	mkpath($installsitelib, 1, 0777) if ($installsitelib);
	100	mkpath($installsitearch, 1, 0777) if ($installsitearch);
4633a7c4	101
45d8adaa	102	if (chdir "lib") {
ecfc5424 AD	103	$do_installarchlib = ! &samepath($installarchlib, '.');
ecfc5424 AD	104	$do_installprivlib = ! &samepath($installprivlib, '.');
b971f6e4	105	$do_installprivlib = 0 if $versiononly && !($installprivlib =~ m/\Q$]/);
45d8adaa	106
a0d0e21e LW	107	if ($do_installarchlib \|\| $do_installprivlib) {
a0d0e21e LW	108	find(\&installlib, '.');
45d8adaa LW	109	}
	110	chdir ".." \|\| die "Can't cd back to source directory: $!\n";
	111	}
	112	else {
	113	warn "Can't cd to lib to install lib files: $!\n";
	114	}
	115
1aef975c	116	# Install header files and libraries.
fcbdbaa8	117	mkpath("$installarchlib/CORE", 1, 0777);
340f689c	118	@corefiles = <.h libperl.*>;
1aef975c	119	# AIX needs perl.exp installed as well.
340f689c	120	push(@corefiles,'perl.exp') if $^O eq 'aix';
fed7345c	121	# If they have built sperl.o...
340f689c	122	push(@corefiles,'sperl.o') if -f 'sperl.o';
340f689c	123	foreach $file (@corefiles) {
aa3cf465 CS	124	# HP-UX (at least) needs to maintain execute permissions
	125	# on dynamically-loaded libraries.
	126	cp_if_diff($file,"$installarchlib/CORE/$file")
	127	and &chmod($file =~ /^\.(so\|$dlext)$/ ? 0555 : 0444,
	128	"$installarchlib/CORE/$file");
340f689c	129	}
3edbfbe5	130
a0d0e21e LW	131	# Offer to install perl in a "standard" location
a0d0e21e LW	132
a0d0e21e LW	133	$mainperl_is_instperl = 0;
a0d0e21e LW	134
b971f6e4	135	if (!$versiononly && !$nonono && -t STDIN && -t STDERR
05dd7c1e	136	&& -w $mainperldir && ! &samepath($mainperldir, $installbin)) {
55497cff	137	local($usrbinperl) = "$mainperldir/perl$exe_ext";
	138	local($instperl) = "$installbin/perl$exe_ext";
	139	local($expinstperl) = "$binexp/perl$exe_ext";
	140
	141	# First make sure $usrbinperl is not already the same as the perl we
	142	# just installed.
	143	if (-x $usrbinperl) {
a0d0e21e LW	144	# Try to be clever about mainperl being a symbolic link
	145	# to binexp/perl if binexp and installbin are different.
	146	$mainperl_is_instperl =
55497cff	147	&samepath($usrbinperl, $instperl) \|\|
4927f9a3	148	&samepath($usrbinperl, $expinstperl) \|\|
a0d0e21e	149	(($binexp ne $installbin) &&
55497cff	150	(-l $usrbinperl) &&
55497cff	151	((readlink $usrbinperl) eq $expinstperl));
a0d0e21e LW	152	}
a0d0e21e LW	153	if ((! $mainperl_is_instperl) &&
55497cff	154	(&yn("Many scripts expect perl to be installed as $usrbinperl.\n" .
	155	"Do you wish to have $usrbinperl be the same as\n" .
	156	"$expinstperl? [y] ")))
a0d0e21e	157	{
55497cff	158	unlink($usrbinperl);
	159	eval { CORE::link $instperl, $usrbinperl } \|\|
	160	eval { symlink $expinstperl, $usrbinperl } \|\|
	161	cmd("cp $instperl $usrbinperl");
a0d0e21e LW	162	$mainperl_is_instperl = 1;
	163	}
	164	}
	165
b971f6e4	166	# Make links to ordinary names if installbin directory isn't current directory.
	167
	168	if (! $versiononly && ! &samepath($installbin, '.')) {
	169	&safe_unlink("$installbin/perl$exe_ext", "$installbin/suidperl$exe_ext");
	170	&link("$installbin/perl$ver$exe_ext", "$installbin/perl$exe_ext");
	171	&link("$installbin/sperl$ver$exe_ext", "$installbin/suidperl$exe_ext")
	172	if $d_dosuid;
	173	}
	174
	175	if (!$versiononly && ! &samepath($installbin, 'x2p')) {
	176	&safe_unlink("$installbin/a2p$exe_ext");
	177	&cmd("cp x2p/a2p$exe_ext $installbin/a2p$exe_ext");
	178	&chmod(0755, "$installbin/a2p$exe_ext");
	179	}
	180
	181	# cppstdin is just a script, but it is architecture-dependent, so
	182	# it can't safely be shared. Place it in $installbin.
	183	# Note that Configure doesn't build cppstin if it isn't needed, so
	184	# we skip this if cppstdin doesn't exist.
	185	if (! $versiononly && (-f cppstdin) && (! &samepath($installbin, '.'))) {
	186	&safe_unlink("$installbin/cppstdin");
	187	&cmd("cp cppstdin $installbin/cppstdin");
	188	&chmod(0755, "$installbin/cppstdin");
	189	}
	190
	191	# Install scripts.
	192
	193	mkpath($installscript, 1, 0777);
	194
	195	if (! $versiononly) {
	196	for (@scripts) {
	197	&cmd("cp $_ $installscript");
	198	s#.*/##; &chmod(0755, "$installscript/$_");
	199	}
	200	}
	201
	202	# pstruct should be a link to c2ph
	203
	204	if (! $versiononly) {
	205	&safe_unlink("$installscript/pstruct");
	206	&link("$installscript/c2ph","$installscript/pstruct");
	207	}
	208
	209	# Install pod pages. Where? I guess in $installprivlib/pod.
	210
	211	if (! $versiononly && !($installprivlib =~ m/\Q$]/)) {
	212	mkpath("${installprivlib}/pod", 1, 0777);
	213	foreach $file (@pods) {
	214	# $file is a name like pod/perl.pod
	215	cp_if_diff($file, "${installprivlib}/${file}");
	216	}
	217	}
	218
a0d0e21e LW	219	# Check to make sure there aren't other perls around in installer's
	220	# path. This is probably UNIX-specific. Check all absolute directories
	221	# in the path except for where public executables are supposed to live.
	222	# Also skip $mainperl if the user opted to have it be a link to the
	223	# installed perl.
	224
b971f6e4	225	if (!$versiononly) {
	226
	227	$dirsep = ($^O eq 'os2') ? ';' : ':' ;
	228	($path = $ENV{"PATH"}) =~ s:\\:/:g ;
	229	@path = split(/$dirsep/, $path);
	230	@otherperls = ();
	231	for (@path) {
	232	next unless m,^/,;
	233	# Use &samepath here because some systems have other dirs linked
	234	# to $mainperldir (like SunOS)
	235	next if &samepath($_, $binexp);
	236	next if ($mainperl_is_instperl && &samepath($_, $mainperldir));
	237	push(@otherperls, "$_/perl$exe_ext")
	238	if (-x "$_/perl$exe_ext" && ! -d "$_/perl$exe_ext");
	239	}
	240	if (@otherperls) {
	241	print STDERR "\nWarning: perl appears in your path in the following " .
	242	"locations beyond where\nwe just installed it:\n";
	243	for (@otherperls) {
	244	print STDERR " ", $_, "\n";
	245	}
	246	print STDERR "\n";
a0d0e21e	247	}
b971f6e4	248
a0d0e21e LW	249	}
a0d0e21e LW	250
c623bd54 LW	251	print STDERR " Installation complete\n";
	252
	253	exit 0;
	254
	255	###############################################################################
	256
a0d0e21e LW	257	sub yn {
	258	local($prompt) = @_;
	259	local($answer);
	260	local($default) = $prompt =~ m/\[([yn])\]\s*$/i;
	261	print STDERR $prompt;
	262	chop($answer = <STDIN>);
	263	$answer = $default if $answer =~ m/^\s*$/;
	264	($answer =~ m/^[yY]/);
	265	}
	266
c623bd54 LW	267	sub unlink {
c623bd54 LW	268	local(@names) = @_;
39add537	269	my($cnt) = 0;
c623bd54 LW	270
	271	foreach $name (@names) {
	272	next unless -e $name;
39add537	273	chmod 0777, $name if $^O eq 'os2';
c623bd54	274	print STDERR " unlink $name\n";
39add537	275	( CORE::unlink($name) and ++$cnt
39add537	276	or warn "Couldn't unlink $name: $!\n" ) unless $nonono;
c623bd54	277	}
39add537	278	return $cnt;
c623bd54 LW	279	}
c623bd54 LW	280
e50aee73 AD	281	sub safe_unlink {
	282	local(@names) = @_;
	283
	284	foreach $name (@names) {
	285	next unless -e $name;
e50aee73	286	next if $nonono;
39add537	287	chmod 0777, $name if $^O eq 'os2';
	288	print STDERR " unlink $name\n";
	289	next if CORE::unlink($name);
e50aee73 AD	290	warn "Couldn't unlink $name: $!\n";
	291	if ($! =~ /busy/i) {
	292	print STDERR " mv $name $name.old\n";
	293	&rename($name, "$name.old") \|\| warn "Couldn't rename $name: $!\n";
	294	}
	295	}
	296	}
	297
c623bd54 LW	298	sub cmd {
	299	local($cmd) = @_;
	300	print STDERR " $cmd\n";
	301	unless ($nonono) {
	302	system $cmd;
	303	warn "Command failed!!!\n" if $?;
	304	}
	305	}
	306
e50aee73 AD	307	sub rename {
e50aee73 AD	308	local($from,$to) = @_;
39add537	309	if (-f $to and not unlink($to)) {
e50aee73 AD	310	my($i);
e50aee73 AD	311	for ($i = 1; $i < 50; $i++) {
39add537	312	last if CORE::rename($to, "$to.$i");
e50aee73	313	}
39add537	314	warn("Cannot rename to `$to.$i': $!"), return 0
39add537	315	if $i >= 50; # Give up!
e50aee73 AD	316	}
	317	link($from,$to) \|\| return 0;
	318	unlink($from);
	319	}
	320
c623bd54	321	sub link {
15792f64	322	my($from,$to) = @_;
15792f64	323	my($success) = 0;
c623bd54 LW	324
c623bd54 LW	325	print STDERR " ln $from $to\n";
39add537	326	eval {
15792f64	327	CORE::link($from,$to) ? $success++ : warn "Couldn't link $from to $to: $!\n" unless $nonono;
39add537	328	};
39add537	329	if ($@) {
15792f64	330	system( $cp, $from, $to )==0 ? $success++ :
15792f64	331	warn "Couldn't copy $from to $to: $!\n" unless $nonono;
39add537	332	}
15792f64	333	$success;
c623bd54 LW	334	}
	335
	336	sub chmod {
	337	local($mode,$name) = @_;
	338
	339	printf STDERR " chmod %o %s\n", $mode, $name;
39add537	340	CORE::chmod($mode,$name) \|\| warn sprintf("Couldn't chmod %o %s: $!\n",$mode,$name)
c623bd54 LW	341	unless $nonono;
	342	}
	343
a0d0e21e LW	344	sub samepath {
	345	local($p1, $p2) = @_;
	346	local($dev1, $ino1, $dev2, $ino2);
	347
75f92628	348	if ($p1 ne $p2) {
a0d0e21e LW	349	($dev1, $ino1) = stat($p1);
	350	($dev2, $ino2) = stat($p2);
	351	($dev1 == $dev2 && $ino1 == $ino2);
	352	}
	353	else {
	354	1;
	355	}
	356	}
	357
	358	sub installlib {
	359	my $dir = $File::Find::dir;
	360	$dir =~ s#^\.(?![^/])/?##;
0ecb046b	361	local($depth) = $dir ? "lib/$dir" : "lib";
a0d0e21e LW	362
a0d0e21e LW	363	my $name = $_;
e50aee73 AD	364
	365	# ignore patch backups and the .exists files.
	366	return if $name =~ m{\.orig$\|~$\|^\.exists};
	367
a0d0e21e LW	368	$name = "$dir/$name" if $dir ne '';
	369
	370	my $installlib = $installprivlib;
1dd15ed4 CS	371	if ($dir =~ /^auto/ \|\|
1dd15ed4 CS	372	($name =~ /^(.*)\.(?:pm\|pod)$/ && $archpms{$1})) {
a0d0e21e LW	373	$installlib = $installarchlib;
	374	return unless $do_installarchlib;
	375	} else {
	376	return unless $do_installprivlib;
	377	}
	378
a0d0e21e	379	if (-f $_) {
3edbfbe5 TB	380	if (/\.al$/ \|\| /\.ix$/) {
	381	$installlib = $installprivlib;
	382	#We're installing .al and .ix files into $installprivlib,
	383	#but we have to delete old .al and .ix files from the 5.000
	384	#distribution:
75f92628	385	#This might not work because $archname might have changed.
3edbfbe5 TB	386	&unlink("$installarchlib/$name");
3edbfbe5 TB	387	}
5f05dabc	388	if (compare($_, "$installlib/$name") \|\| $nonono) {
a0d0e21e	389	&unlink("$installlib/$name");
fcbdbaa8	390	mkpath("$installlib/$dir", 1, 0777);
75f92628 AD	391	# HP-UX (at least) needs to maintain execute permissions
75f92628 AD	392	# on dynamically-loaded libraries.
aa3cf465 CS	393	cp_if_diff($_, "$installlib/$name")
	394	and &chmod($name =~ /\.(so\|$dlext)$/o ? 0555 : 0444,
	395	"$installlib/$name");
a0d0e21e LW	396	}
a0d0e21e LW	397	} elsif (-d $_) {
fcbdbaa8	398	mkpath("$installlib/$name", 1, 0777);
a0d0e21e LW	399	}
a0d0e21e LW	400	}
3edbfbe5	401
16d20bd9 AD	402	# Copy $from to $to, only if $from is different than $to.
	403	# Also preserve modification times for .a libraries.
	404	# On some systems, if you do
	405	# ranlib libperl.a
	406	# cp libperl.a /usr/local/lib/perl5/archlib/CORE/libperl.a
	407	# and then try to link against the installed libperl.a, you might
	408	# get an error message to the effect that the symbol table is older
	409	# than the library.
aa3cf465	410	# Return true if copying occurred.
3edbfbe5 TB	411	sub cp_if_diff {
	412	my($from,$to)=@_;
	413	-f $from \|\| die "$0: $from not found";
5f05dabc	414	if (compare($from, $to) \|\| $nonono) {
16d20bd9	415	my ($atime, $mtime);
5d94fbed	416	unlink($to); # In case we don't have write permissions.
0ecb046b SH	417	if ($nonono) {
	418	$from = $depth . "/" . $from if $depth;
	419	}
3edbfbe5	420	cmd("cp $from $to");
16d20bd9	421	# Restore timestamps if it's a .a library.
a2a3efe7	422	if ($to =~ /\.a$/ or $^O eq 'os2') { # For binary install
16d20bd9 AD	423	($atime, $mtime) = (stat $from)[8,9];
	424	utime $atime, $mtime, $to;
	425	}
aa3cf465	426	1;
3edbfbe5 TB	427	}
3edbfbe5 TB	428	}