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Diffstat (limited to 'pod/perl591delta.pod')
| -rw-r--r-- | pod/perl591delta.pod | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/pod/perl591delta.pod b/pod/perl591delta.pod index 2a04611b00..a89d6fd263 100644 --- a/pod/perl591delta.pod +++ b/pod/perl591delta.pod @@ -171,6 +171,14 @@ difference unless you have code that explicitly makes assumptions about that ordering. (The inheritance hierarchy of C<B::*> objects has been changed to reflect this.) +=head2 Removal of CPP symbols + +The C preprocessor symbols C<PERL_PM_APIVERSION> and +C<PERL_XS_APIVERSION>, which were supposed to give the version number of +the oldest perl binary-compatible (resp. source-compatible) with the +present one, were not used, and sometimes had misleading values. They have +been removed. + =head1 Configuration and Building C<Configure> now invokes callbacks regardless of the value of the variable |