defined %{$package.'::'} isn't good enough to tell whether a module is

loaded when it's XS and staticly linked to perl.

p4raw-id: //depot/perl@34409

2 files changed, 15 insertions, 7 deletions

diff --git a/ext/B/B/Concise.pm b/ext/B/B/Concise.pm
index 7ddf1d7bfb..284f797612 100644
--- a/ext/B/B/Concise.pm
+++ b/ext/B/B/Concise.pm
@@ -14,7 +14,7 @@ use warnings; # uses #3 and #4, since warnings uses Carp
 
 use Exporter (); # use #5
 
-our $VERSION   = "0.75";
+our $VERSION   = "0.76";
 our @ISA       = qw(Exporter);
 our @EXPORT_OK = qw( set_style set_style_standard add_callback
 		     concise_subref concise_cv concise_main
@@ -299,7 +299,18 @@ sub compileOpts {
 	elsif ($o =~ /^-stash=(.*)/) {
 	    my $pkg = $1;
 	    no strict 'refs';
-	    eval "require $pkg" unless defined %{$pkg.'::'};
+	    if (!defined %{$pkg.'::'}) {
+		eval "require $pkg";
+	    } else {
+		require Config;
+		if (!$Config::Config{usedl}
+		    && keys %{$pkg.'::'} == 1
+		    && $pkg->can('bootstrap')) {
+		    # It is something that we're staticly linked to, but hasn't
+		    # yet been used.
+		    eval "require $pkg";
+		}
+	    }
 	    push @render_packs, $pkg;
 	}
 	# line-style options
diff --git a/ext/B/t/concise.t b/ext/B/t/concise.t
index 7b4df885f9..5cd554383d 100644
--- a/ext/B/t/concise.t
+++ b/ext/B/t/concise.t
@@ -416,11 +416,8 @@ like($out, qr/FUNC: \*ExtUtils::Mksymlists::_write_vms/,
 $out = runperl ( switches => ["-MO=Concise,-stash=Data::Dumper,-src,-exec"],
 		 prog => '-e 1', stderr => 1 );
 
-{
-    local $TODO = q(require $package unless ${$package.'::'}; doesn't do what you want under static linking) unless $Config{usedl};
-    like($out, qr/FUNC: \*Data::Dumper::format_refaddr/,
-         "stash rendering loads package as needed");
-}
+like($out, qr/FUNC: \*Data::Dumper::format_refaddr/,
+     "stash rendering loads package as needed");
 
 my $prog = q{package FOO; sub bar { print "bar" } package main; FOO::bar(); };