X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/a2a3efe7cfa0c88c91343f698557ba850af3369e..e09f3e01ccd721309f0eb0aae224d84db2e8436a:/installperl

diff --git a/installperl b/installperl
index 8f8f7e7..9686bfb 100755
--- a/installperl
+++ b/installperl
@@ -1,14 +1,21 @@
 #!./perl
-BEGIN { @INC=('./lib', '../lib') }
+
+BEGIN {
+    require 5.004;
+    @INC = 'lib';
+    $ENV{PERL5LIB} = 'lib';
+}
+
 use File::Find;
+use File::Compare;
+use File::Copy ();
 use File::Path ();
 use Config;
-use subs qw(unlink rename link chmod);
+use subs qw(unlink link chmod);
 
 # override the ones in the rest of the script
-sub mkpath
-{
-  File::Path::mkpath(@_) unless $nonono;
+sub mkpath {
+    File::Path::mkpath(@_) unless $nonono;
 }
 
 $mainperldir = "/usr/bin";
@@ -23,12 +30,20 @@ while (@ARGV) {
 umask 022;
 
 @scripts = qw(	utils/c2ph utils/h2ph utils/h2xs
-		utils/perlbug utils/perldoc utils/pl2pm
+		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);
@@ -71,61 +86,14 @@ if ($d_dosuid && $>) { die "You must run as root to install suidperl\n"; }
 
 # First we install the version-numbered executables.
 
-&safe_unlink("$installbin/perl$ver$exe_ext");
-&cmd("cp perl$exe_ext $installbin/perl$ver$exe_ext");
+safe_unlink("$installbin/perl$ver$exe_ext");
+copy("perl$exe_ext", "$installbin/perl$ver$exe_ext");
+chmod(0755, "$installbin/perl$ver$exe_ext");
 
-&safe_unlink("$installbin/sperl$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");
-}
-
-exit 0 if $versiononly;
-
-# Make links to ordinary names if installbin directory isn't current directory.
-
-if (! &samepath($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 $d_dosuid;
-}
-
-if (! &samepath($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 $installbin.
-# Note that Configure doesn't build cppstin if it isn't needed, so
-# we skip this if cppstdin doesn't exist.
-if ((-f cppstdin) && (! &samepath($installbin, '.'))) {
-    &safe_unlink("$installbin/cppstdin");
-    &cmd("cp cppstdin $installbin/cppstdin");
-    &chmod(0755, "$installbin/cppstdin");
-}
-
-# Install scripts.
-
-mkpath($installscript, 1, 0777);
-
-for (@scripts) {
-    &cmd("cp $_ $installscript");
-    s#.*/##; &chmod(0755, "$installscript/$_");
-}
-
-# pstruct should be a link to c2ph
-
-&safe_unlink("$installscript/pstruct");
-&link("$installscript/c2ph","$installscript/pstruct");
-
-# Install pod pages.  Where? I guess in $installprivlib/pod.
-mkpath("${installprivlib}/pod", 1, 0777);
-foreach $file (@pods) {
-    # $file is a name like  pod/perl.pod
-    cp_if_diff($file, "${installprivlib}/${file}");
+    copy("suidperl$exe_ext", "$installbin/sperl$ver$exe_ext");
+    chmod(04711, "$installbin/sperl$ver$exe_ext");
 }
 
 # Install library files.
@@ -138,8 +106,9 @@ mkpath($installsitelib, 1, 0777) if ($installsitelib);
 mkpath($installsitearch, 1, 0777) if ($installsitearch);
 
 if (chdir "lib") {
-    $do_installarchlib = ! &samepath($installarchlib, '.');
-    $do_installprivlib = ! &samepath($installprivlib, '.');
+    $do_installarchlib = ! samepath($installarchlib, '.');
+    $do_installprivlib = ! samepath($installprivlib, '.');
+    $do_installprivlib = 0 if $versiononly && !($installprivlib =~ m/\Q$]/);
 
     if ($do_installarchlib || $do_installprivlib) {
 	find(\&installlib, '.');
@@ -158,66 +127,157 @@ push(@corefiles,'perl.exp') if $^O eq 'aix';
 # If they have built sperl.o...
 push(@corefiles,'sperl.o') if -f 'sperl.o';
 foreach $file (@corefiles) {
-    cp_if_diff($file,"$installarchlib/CORE/$file");
-    &chmod($file =~ /^libperl/ ? 0555 : 0444,"$installarchlib/CORE/$file");
+    # HP-UX (at least) needs to maintain execute permissions
+    # on dynamically-loaded libraries.
+    copy_if_diff($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 (-w $mainperldir && ! &samepath($mainperldir, $installbin) && !$nonono) {
-    # First make sure $mainperldir/perl is not already the same as
-    # the perl we just installed
-    if (-x "$mainperldir/perl$exe_ext") {
+if (!$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.
 	$mainperl_is_instperl =
-	    &samepath("$mainperldir/perl$exe_ext", "$installbin/perl$exe_ext") ||
+	    samepath($usrbinperl, $instperl) ||
+	    samepath($usrbinperl, $expinstperl) ||
 	     (($binexp ne $installbin) &&
-	      (-l "$mainperldir/perl$exe_ext") &&
-	      ((readlink "$mainperldir/perl$exe_ext") eq "$binexp/perl$exe_ext"));
+	      (-l $usrbinperl) &&
+	      ((readlink $usrbinperl) eq $expinstperl));
     }
     if ((! $mainperl_is_instperl) &&
-	(&yn("Many scripts expect perl to be installed as " .
-	     "$mainperldir/perl.\n" . 
-	     "Do you wish to have $mainperldir/perl be the same as\n" .
-	     "$binexp/perl? [y] ")))
+	(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("$mainperldir/perl$exe_ext");
-	CORE::link("$installbin/perl$exe_ext", "$mainperldir/perl$exe_ext") ||
-	    symlink("$binexp/perl$exe_ext", "$mainperldir/perl$exe_ext") ||
-		cmd("cp $installbin/perl$exe_ext $mainperldir$exe_ext");
+	unlink($usrbinperl);
+	eval { CORE::link $instperl, $usrbinperl } ||
+	    eval { symlink $expinstperl, $usrbinperl } ||
+		copy($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$exe_ext");
+    copy("x2p/a2p$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("$installbin/cppstdin");
+    copy("cppstdin", "$installbin/cppstdin");
+    chmod(0755, "$installbin/cppstdin");
+}
+
+# Install scripts.
+
+mkpath($installscript, 1, 0777);
+
+if (! $versiononly) {
+    for (@scripts) {
+	(my $base = $_) =~ s#.*/##;
+	copy($_, "$installscript/$base");
+	chmod(0755, "$installscript/$base");
+    }
+}
+
+# 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);
+
+    # If Perl 5.003's perldiag.pod is there, rename it.
+    if (open POD, "${installprivlib}/pod/perldiag.pod") {
+	read POD, $_, 4000;
+	close POD;
+	# Some of Perl 5.003's diagnostic messages ended with periods.
+	if (/^=.*\.$/m) {
+	    my ($from, $to) = ("${installprivlib}/pod/perldiag.pod",
+			       "${installprivlib}/pod/perldiag-5.003.pod");
+	    print STDERR "  rename $from $to";
+	    rename($from, $to)
+		or warn "Couldn't rename $from to $to: $!\n"
+		unless $nonono;
+	}
+    }
+
+    foreach $file (@pods) {
+	# $file is a name like  pod/perl.pod
+	copy_if_diff($file, "${installprivlib}/${file}");
+    }
+
+    # Link perldiag.pod into archlib
+    my ($from, $to) = ("${installprivlib}/pod/perldiag.pod",
+		       "${installarchlib}/pod/perldiag.pod");
+    if (compare($from, $to) || $nonono) {
+	mkpath("${installarchlib}/pod", 1, 0777);
+	unlink($to);
+	link($from, $to);
+    }
+}
+
 # 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.
 
-$dirsep = ($^O eq 'os2') ? ';' : ':' ;
-($path = $ENV{"PATH"}) =~ s:\\:/:g ;
-@path = split(/$dirsep/, $path);
-@otherperls = ();
-for (@path) {
-    next unless m,^/,;
-    next if ($_ eq $binexp);
-    # Use &samepath here because some systems have other dirs linked
-    # to $mainperldir (like SunOS)
-    next if ($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 "    ", $_, "\n";
+if (!$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 "\n";
+
 }
 
 print STDERR "  Installation complete\n";
@@ -251,37 +311,28 @@ sub unlink {
 }
 
 sub safe_unlink {
-    local(@names) = @_;
-
+    return if $nonono;
+    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: $!\n";
+	    safe_rename($name, "$name.old")
+		or warn "Couldn't rename $name: $!\n";
 	}
     }
 }
 
-sub cmd {
-    local($cmd) = @_;
-    print STDERR "  $cmd\n";
-    unless ($nonono) {
-	system $cmd;
-	warn "Command failed!!!\n" if $?;
-    }
-}
-
-sub rename {
+sub safe_rename {
     local($from,$to) = @_;
     if (-f $to and not unlink($to)) {
 	my($i);
 	for ($i = 1; $i < 50; $i++) {
-	    last if CORE::rename($to, "$to.$i");
+	    last if rename($to, "$to.$i");
 	}
 	warn("Cannot rename to `$to.$i': $!"), return 0 
 	   if $i >= 50;	# Give up!
@@ -296,11 +347,18 @@ sub link {
 
     print STDERR "  ln $from $to\n";
     eval {
-      CORE::link($from,$to) ? $success++ : warn "Couldn't link $from to $to: $!\n" unless $nonono;
+	CORE::link($from, $to)
+	    ? $success++
+	    : ($from =~ m#^/afs/# || $to =~ m#^/afs/#)
+	      ? die "AFS"  # okay inside eval {}
+	      : 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 $nonono;
+	File::Copy::copy($from, $to)
+	    ? $success++
+	    : warn "Couldn't copy $from to $to: $!\n"
+	  unless $nonono;
     }
     $success;
 }
@@ -309,8 +367,18 @@ sub chmod {
     local($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 $nonono;
+    CORE::chmod($mode,$name)
+	|| warn sprintf("Couldn't chmod %o %s: $!\n", $mode, $name)
+      unless $nonono;
+}
+
+sub copy {
+    my($from,$to) = @_;
+
+    print STDERR "  cp $from $to\n";
+    File::Copy::copy($from, $to)
+	|| warn "Couldn't copy $from to $to: $!\n"
+      unless $nonono;
 }
 
 sub samepath {
@@ -340,7 +408,8 @@ sub installlib {
     $name = "$dir/$name" if $dir ne '';
 
     my $installlib = $installprivlib;
-    if ((substr($dir, 0, 4) eq 'auto') || ($name eq 'Config.pm')) {
+    if ($dir =~ /^auto/ ||
+	  ($name =~ /^(.*)\.(?:pm|pod)$/ && $archpms{$1})) {
         $installlib = $installarchlib;
 	return unless $do_installarchlib;
     } else {
@@ -348,27 +417,22 @@ sub installlib {
     }
 
     if (-f $_) {
-	if (/\.al$/ || /\.ix$/) {
+	if (/\.(?:al|ix)$/ && !($dir =~ m[^auto/(.*)$] && $archpms{$1})) {
 	    $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/$name");
+	    unlink("$installarchlib/$name");
 	}
-	system "cmp", "-s", $_, "$installlib/$name";
-	if ($? || $nonono) {
-	    &unlink("$installlib/$name");
+	if (compare($_, "$installlib/$name") || $nonono) {
+	    unlink("$installlib/$name");
 	    mkpath("$installlib/$dir", 1, 0777);
-	    cp_if_diff($_, "$installlib/$name");
 	    # HP-UX (at least) needs to maintain execute permissions
 	    # on dynamically-loaded libraries.
-	    if ($name =~ /\.(so|$dlext)$/o) {
-		&chmod(0555, "$installlib/$name");
-	    }
-	    else {
-		&chmod(0444, "$installlib/$name");
-	    }
+	    copy_if_diff($_, "$installlib/$name")
+		and chmod($name =~ /\.(so|$dlext)$/o ? 0555 : 0444,
+			   "$installlib/$name");
 	}
     } elsif (-d $_) {
 	mkpath("$installlib/$name", 1, 0777);
@@ -383,21 +447,22 @@ sub installlib {
 # and then try to link against the installed libperl.a, you might
 # get an error message to the effect that the symbol table is older
 # than the library.
-sub cp_if_diff {
+# Return true if copying occurred.
+
+sub copy_if_diff {
     my($from,$to)=@_;
     -f $from || die "$0: $from not found";
-    system "cmp", "-s", $from, $to;
-    if ($? || $nonono) {
-	my ($atime, $mtime);
-	unlink($to);   # In case we don't have write permissions.
+    if (compare($from, $to) || $nonono) {
+	safe_unlink($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 $from)[8,9];
+	copy($from, $to);
+	# Restore timestamps if it's a .a library or for OS/2.
+	if (!$nonono && ($^O eq 'os2' || $to =~ /\.a$/)) {
+	    my ($atime, $mtime) = (stat $from)[8,9];
 	    utime $atime, $mtime, $to;
 	}
+	1;
     }
 }