=item *
-It's now possible to build extensions on older (pre 7.3-2) VMS systems.
-
-DCL symbol length was limited to 1K up until about seven years or
-so ago, but there was no particularly deep reason to prevent those
-older systems from configuring and building Perl (5.12.1).
-
-=item *
-
-We fixed the previously-broken B<-Uuseperlio> build on VMS.
-
-We were checking a variable that doesn't exist in the non-default
-case of disabling perlio. Now we look at it only when it exists (5.12.1).
+Extension building on older (pre 7.3-2) VMS systems was broken because
+configure.com hit the DCL symbol length limit of 1K. We now work within
+this limit when assembling the list of extensions in the core build (5.12.1).
=item *
-We fixed the B<-Uuseperlio> command-line option in F<configure.com>.
-
-Formerly it only worked if you went through all the questions
-interactively and explicitly answered no (5.12.1).
+We fixed configuring and building Perl with B<-Uuseperlio> (5.12.1).
=item *
C<PerlIOUnix_open> now honours the default permissions on VMS.
-When C<perlio> became the default and C<unixio> became the default bottom layer,
+When C<perlio> became the default and C<unix> became the default bottom layer,
the most common path for creating files from Perl became C<PerlIOUnix_open>,
-which has always explicitly used C<0666> as the permission mask.
-
-To avoid this, C<0777> is now passed as the permissions to open(). In the
-VMS CRTL, C<0777> has a special meaning over and above intersecting with the
-current umask; specifically, it allows Unix syscalls to preserve native default
-permissions (5.12.3).
-
-=item *
-
-Spurious record boundaries are no longer
-introduced by the PerlIO layer during output (5.12.3).
+which has always explicitly used C<0666> as the permission mask. This prevents
+inheriting permissions from RMS defaults and ACLs, so to avoid that problem,
+we now pass C<0777> to C<open()>. In theVMS CRTL, C<0777> has a special
+meaning over and above intersecting with the current umask; specifically, it
+allows Unix syscalls to preserve native default permissions (5.12.3).
=item *
-The shortening of symbols longer than 31 characters in the C sources is
-now done by the compiler rather than by L<xsubpp(1)> (which could do so only
-for generated symbols in XS code).
+The shortening of symbols longer than 31 characters in the core C sources
+and in extensions is now by default done by the C compiler rather than by
+xsubpp (which could only do so for generated symbols in XS code). You can
+reenable xsubpp's symbol shortening by configuring with -Uuseshortenedsymbols,
+but you'll have some work to do to get the core sources to compile.
=item *
Record-oriented files (record format variable or variable with fixed control)
-opened for write by the perlio layer will now be line-buffered to prevent the
+opened for write by the C<perlio> layer will now be line-buffered to prevent the
introduction of spurious line breaks whenever the perlio buffer fills up.
=item *
-F<git_version.h> is now installed on VMS. This
-was an oversight in v5.12.0 which
+F<git_version.h> is now installed on VMS. This was an oversight in v5.12.0 which
caused some extensions to fail to build (5.12.2).
=item *
https://perl5.git.perl.org / perl5.git / blobdiff