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authorNicholas Clark <nick@ccl4.org>2006-03-13 23:13:23 +0000
committerNicholas Clark <nick@ccl4.org>2006-03-13 23:13:23 +0000
commit1d230ada0b2ff8ef3af3370141f10c3315abf450 (patch)
treeee6f8edb0dcbf5985b0ccd66f180211d864738aa /installperl
parent4d20abadde4f672afab51524d4ff00c7c65bbed7 (diff)
downloadperl-1d230ada0b2ff8ef3af3370141f10c3315abf450.tar.gz
Somewhat less shaky relocatable @INC support. You can install things
to the current location of the perl tree, move it, install more things, move it again, lather rinse repeat. Configure with -Duserelocatableinc p4raw-id: //depot/perl@27491
Diffstat (limited to 'installperl')
-rwxr-xr-xinstallperl25
1 files changed, 25 insertions, 0 deletions
diff --git a/installperl b/installperl
index 2f59f4563a..919fc648bd 100755
--- a/installperl
+++ b/installperl
@@ -7,6 +7,31 @@ BEGIN {
$ENV{PERL5LIB} = 'lib';
}
+BEGIN {
+ use Config;
+ if ($Config{userelocatableinc}) {
+ # This might be a considered a hack. Need to get information about the
+ # configuration from Config.pm *before* Config.pm expands any .../
+ # prefixes.
+ #
+ # So we set $^X to pretend that we're the already installed perl, so
+ # Config.pm doesits ... expansion off that location.
+
+ my $location = $Config{initialinstalllocation};
+ die <<'OS' unless defined $location;
+$Config{initialinstalllocation} is not defined - can't install a relocatable
+perl without this.
+OS
+ $^X = "$location/perl";
+ # And then remove all trace of ever having loaded Config.pm, so that
+ # it will reload with the revised $^X
+ undef %Config::;
+ delete $INC{"Config.pm"};
+ delete $INC{"Config_heavy.pl"};
+ # You never saw us. We weren't here.
+ }
+}
+
use strict;
my ($Is_VMS, $Is_W32, $Is_OS2, $Is_Cygwin, $Is_Darwin,
$nonono, $dostrip, $versiononly, $silent, $verbose, $force,