Resolve conflicts.

1 files changed, 97 insertions, 35 deletions

diff --git a/contrib/perl5/lib/ExtUtils/Install.pm b/contrib/perl5/lib/ExtUtils/Install.pm
index aa6c764..9a8e857 100644
--- a/contrib/perl5/lib/ExtUtils/Install.pm
+++ b/contrib/perl5/lib/ExtUtils/Install.pm
@@ -18,6 +18,28 @@ my $splitchar = $^O eq 'VMS' ? '|' : ($^O eq 'os2' || $^O eq 'dos') ? ';' : ':';
 my @PERL_ENV_LIB = split $splitchar, defined $ENV{'PERL5LIB'} ? $ENV{'PERL5LIB'} : $ENV{'PERLLIB'} || '';
 my $Inc_uninstall_warn_handler;
 
+# install relative to here
+
+my $INSTALL_ROOT = $ENV{PERL_INSTALL_ROOT};
+
+use File::Spec;
+
+sub install_rooted_file {
+    if (defined $INSTALL_ROOT) {
+	MY->catfile($INSTALL_ROOT, $_[0]);
+    } else {
+	$_[0];
+    }
+}
+
+sub install_rooted_dir {
+    if (defined $INSTALL_ROOT) {
+	MY->catdir($INSTALL_ROOT, $_[0]);
+    } else {
+	$_[0];
+    }
+}
+
 #our(@EXPORT, @ISA, $Is_VMS);
 #use strict;
 
@@ -57,8 +79,9 @@ sub install {
 	opendir DIR, $source_dir_or_file or next;
 	for (readdir DIR) {
 	    next if $_ eq "." || $_ eq ".." || $_ eq ".exists";
-	    if (-w $hash{$source_dir_or_file} ||
-		mkpath($hash{$source_dir_or_file})) {
+		my $targetdir = install_rooted_dir($hash{$source_dir_or_file});
+	    if (-w $targetdir ||
+		mkpath($targetdir)) {
 		last;
 	    } else {
 		warn "Warning: You do not have permissions to " .
@@ -68,7 +91,8 @@ sub install {
 	}
 	closedir DIR;
     }
-    $packlist->read($pack{"read"}) if (-f $pack{"read"});
+    my $tmpfile = install_rooted_file($pack{"read"});
+    $packlist->read($tmpfile) if (-f $tmpfile);
     my $cwd = cwd();
 
     my($source);
@@ -85,11 +109,13 @@ sub install {
 	#October 1997: we want to install .pm files into archlib if
 	#there are any files in arch. So we depend on having ./blib/arch
 	#hardcoded here.
-	my $targetroot = $hash{$source};
+
+	my $targetroot = install_rooted_dir($hash{$source});
+
 	if ($source eq "blib/lib" and
 	    exists $hash{"blib/arch"} and
 	    directory_not_empty("blib/arch")) {
-	    $targetroot = $hash{"blib/arch"};
+	    $targetroot = install_rooted_dir($hash{"blib/arch"});
             print "Files found in blib/arch: installing files in blib/lib into architecture dependent library tree\n";
 	}
 	chdir($source) or next;
@@ -98,8 +124,9 @@ sub install {
                          $atime,$mtime,$ctime,$blksize,$blocks) = stat;
 	    return unless -f _;
 	    return if $_ eq ".exists";
-	    my $targetdir = MY->catdir($targetroot,$File::Find::dir);
-	    my $targetfile = MY->catfile($targetdir,$_);
+	    my $targetdir  = MY->catdir($targetroot, $File::Find::dir);
+	    my $origfile   = $_;
+	    my $targetfile = MY->catfile($targetdir, $_);
 
 	    my $diff = 0;
 	    if ( -f $targetfile && -s _ == $size) {
@@ -136,16 +163,16 @@ sub install {
 	    } else {
 		inc_uninstall($_,$File::Find::dir,$verbose,0); # nonono set to 0
 	    }
-	    $packlist->{$targetfile}++;
+	    $packlist->{$origfile}++;
 
 	}, ".");
 	chdir($cwd) or Carp::croak("Couldn't chdir to $cwd: $!");
     }
     if ($pack{'write'}) {
-	$dir = dirname($pack{'write'});
+	$dir = install_rooted_dir(dirname($pack{'write'}));
 	mkpath($dir,0,0755);
 	print "Writing $pack{'write'}\n";
-	$packlist->write($pack{'write'});
+	$packlist->write(install_rooted_file($pack{'write'}));
     }
 }
 
@@ -242,8 +269,22 @@ sub inc_uninstall {
     }
 }
 
+sub run_filter {
+    my ($cmd, $src, $dest) = @_;
+    local *SRC, *CMD;
+    open(CMD, "|$cmd >$dest") || die "Cannot fork: $!";
+    open(SRC, $src)           || die "Cannot open $src: $!";
+    my $buf;
+    my $sz = 1024;
+    while (my $len = sysread(SRC, $buf, $sz)) {
+	syswrite(CMD, $buf, $len);
+    }
+    close SRC;
+    close CMD or die "Filter command '$cmd' failed for $src";
+}
+
 sub pm_to_blib {
-    my($fromto,$autodir) = @_;
+    my($fromto,$autodir,$pm_filter) = @_;
 
     use File::Basename qw(dirname);
     use File::Copy qw(copy);
@@ -266,23 +307,37 @@ sub pm_to_blib {
 
     mkpath($autodir,0,0755);
     foreach (keys %$fromto) {
-	next if -f $fromto->{$_} && -M $fromto->{$_} < -M $_;
-	unless (compare($_,$fromto->{$_})){
-	    print "Skip $fromto->{$_} (unchanged)\n";
+	my $dest = $fromto->{$_};
+	next if -f $dest && -M $dest < -M $_;
+
+	# When a pm_filter is defined, we need to pre-process the source first
+	# to determine whether it has changed or not.  Therefore, only perform
+	# the comparison check when there's no filter to be ran.
+	#    -- RAM, 03/01/2001
+
+	my $need_filtering = defined $pm_filter && length $pm_filter && /\.pm$/;
+
+	if (!$need_filtering && 0 == compare($_,$dest)) {
+	    print "Skip $dest (unchanged)\n";
 	    next;
 	}
-	if (-f $fromto->{$_}){
-	    forceunlink($fromto->{$_});
+	if (-f $dest){
+	    forceunlink($dest);
 	} else {
-	    mkpath(dirname($fromto->{$_}),0,0755);
+	    mkpath(dirname($dest),0,0755);
+	}
+	if ($need_filtering) {
+	    run_filter($pm_filter, $_, $dest);
+	    print "$pm_filter <$_ >$dest\n";
+	} else {
+	    copy($_,$dest);
+	    print "cp $_ $dest\n";
 	}
-	copy($_,$fromto->{$_});
 	my($mode,$atime,$mtime) = (stat)[2,8,9];
-	utime($atime,$mtime+$Is_VMS,$fromto->{$_});
-	chmod(0444 | ( $mode & 0111 ? 0111 : 0 ),$fromto->{$_});
-	print "cp $_ $fromto->{$_}\n";
-	next unless /\.pm\z/;
-	autosplit($fromto->{$_},$autodir);
+	utime($atime,$mtime+$Is_VMS,$dest);
+	chmod(0444 | ( $mode & 0111 ? 0111 : 0 ),$dest);
+	next unless /\.pm$/;
+	autosplit($dest,$autodir);
     }
 }
 
@@ -296,18 +351,20 @@ sub add {
 }
 
 sub DESTROY {
-    my $self = shift;
-    my($file,$i,$plural);
-    foreach $file (sort keys %$self) {
-	$plural = @{$self->{$file}} > 1 ? "s" : "";
-	print "## Differing version$plural of $file found. You might like to\n";
-	for (0..$#{$self->{$file}}) {
-	    print "rm ", $self->{$file}[$_], "\n";
-	    $i++;
+	unless(defined $INSTALL_ROOT) {
+		my $self = shift;
+		my($file,$i,$plural);
+		foreach $file (sort keys %$self) {
+		$plural = @{$self->{$file}} > 1 ? "s" : "";
+		print "## Differing version$plural of $file found. You might like to\n";
+		for (0..$#{$self->{$file}}) {
+			print "rm ", $self->{$file}[$_], "\n";
+			$i++;
+		}
+		}
+		$plural = $i>1 ? "all those files" : "this file";
+		print "## Running 'make install UNINST=1' will unlink $plural for you.\n";
 	}
-    }
-    $plural = $i>1 ? "all those files" : "this file";
-    print "## Running 'make install UNINST=1' will unlink $plural for you.\n";
 }
 
 1;
@@ -370,6 +427,11 @@ no-don't-really-do-it-now switch.
 pm_to_blib() takes a hashref as the first argument and copies all keys
 of the hash to the corresponding values efficiently. Filenames with
 the extension pm are autosplit. Second argument is the autosplit
-directory.
+directory.  If third argument is not empty, it is taken as a filter command
+to be ran on each .pm file, the output of the command being what is finally
+copied, and the source for auto-splitting.
+
+You can have an environment variable PERL_INSTALL_ROOT set which will
+be prepended as a directory to each installed file (and directory).
 
 =cut