Reinstate 5.6.x "support".

i.e. it compiles and passes tests.

diff --git a/CHANGES b/CHANGES
index e91a6b9..6b47112 100644 (file)
--- a/CHANGES
+++ b/CHANGES
@@ -5,6 +5,7 @@ Revision history for Perl extension Devel::Size.
  * Correctly handle SvOOK scalars. 5.12 and later don't use SvIVX().
  * Magic vtables aren't freed when magic is freed, so don't count them.
    (They are static structures. Anything that assumes otherwise is buggy.)
+ * Reinstate 5.6.x "support". (i.e. it compiles and passes tests.)
 
 0.75_51 2011-05-05 nicholas
  * Only use a static array of vtables on gcc.

diff --git a/Makefile.PL b/Makefile.PL
index e2dce20..497c2db 100644 (file)
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -1,5 +1,5 @@
 #!/usr/bin/perl -w
-use 5.008;
+use 5.006;
 use ExtUtils::MakeMaker;
 use strict;
 
@@ -12,6 +12,7 @@ WriteMakefile(
              NAME => 'Devel::Size',
              VERSION_FROM => 'lib/Devel/Size.pm',
              DEFINE => "-DALIGN_BITS=$ptr_bits",
-             (eval $ExtUtils::MakeMaker::VERSION >= 6.47 ? (MIN_PERL_VERSION => '5.008') : ()),
+             PREREQ_PM => { 'Test::More' => 0 },
+             (eval $ExtUtils::MakeMaker::VERSION >= 6.47 ? (MIN_PERL_VERSION => '5.006') : ()),
              (eval $ExtUtils::MakeMaker::VERSION >= 6.31 ? (LICENSE => 'perl') : ()),
 );

diff --git a/lib/Devel/Size.pm b/lib/Devel/Size.pm
index 51e61ec..842f866 100644 (file)
--- a/lib/Devel/Size.pm
+++ b/lib/Devel/Size.pm
@@ -3,7 +3,7 @@ package Devel::Size;
 use strict;
 use vars qw($VERSION @ISA @EXPORT_OK %EXPORT_TAGS $warn $dangle);
 
-require 5.008;
+require 5.006;
 require Exporter;
 require XSLoader;
 

diff --git a/t/basic.t b/t/basic.t
index 4166e2d..127cb39 100644 (file)
--- a/t/basic.t
+++ b/t/basic.t
@@ -3,7 +3,6 @@
 use Test::More tests => 19;
 use strict;
 use Devel::Size qw(size total_size);
-use Scalar::Util qw(weaken);
 
 can_ok ('Devel::Size', qw/
   size
@@ -84,8 +83,18 @@ cmp_ok (total_size(\&LARGE), '>', 8192,
 {
     my $a = [];
     my $b = \$a;
-    # making a weakref upgrades the target to PVMG and adds magic
-    weaken $b;
+    # Scalar::Util isn't in the core before 5.7.something.
+    # The test isn't really testing anything without the weaken(), but it
+    # isn't counter-productive or harmful to run it anyway.
+    unless (eval {
+       require Scalar::Util;
+       # making a weakref upgrades the target to PVMG and adds magic
+       Scalar::Util::weaken($b);
+       1;
+    }) {
+       die $@ if $] >= 5.008;
+    }
+
     is(total_size($a), total_size([]),
        'Any intial reference is dereferenced and discarded');
 }

diff --git a/t/globs.t b/t/globs.t
index d37826a..247bb84 100644 (file)
--- a/t/globs.t
+++ b/t/globs.t
@@ -135,7 +135,8 @@ sub gv_grew {
 gv_grew('glipp', 'zok', 'no strict "vars"; $zok = undef; 1', 'SCALAR');
 gv_grew('bang', 'boff', 'no strict "vars"; @boff = (); 1', 'ARRAY');
 gv_grew('clange', 'sock', 'no strict "vars"; %sock = (); 1', 'HASH');
-{
+SKIP: {
+    skip("Can't create FORMAT references prior to 5.8.0", 7) if $] < 5.008;
     local $Devel::Size::warn = 0;
     gv_grew('biff', 'zapeth', "format zapeth =\n.\n1", 'FORMAT');
 }