Make magic vtable writable as a work-around for Coro

perl-5.22.0-Revert-const-the-core-magic-vtables.patch

@@ -0,0 +1,44 @@
+From 4ccd57ed119eae3847df1ec241daa509f3b86ef3 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Petr=20P=C3=ADsa=C5=99?= <ppisar@redhat.com>
+Date: Thu, 18 Jun 2015 13:19:49 +0200
+Subject: [PATCH] Revert "const the core magic vtables"
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+This reverts commit c910fead7893fe9700031ee59de6b904260b5d69.
+
+It's necessary for Coro-6.43. This patch will be removed once Coro
+will be fixed or in a reasonable time if Coro become unamaintained.
+
+<http://www.nntp.perl.org/group/perl.perl5.porters/2015/06/msg228530.html>
+<https://bugzilla.redhat.com/show_bug.cgi?id=1231165>
+
+Signed-off-by: Petr Písař <ppisar@redhat.com>
+---
+ perl.h | 9 ++++++++-
+ 1 file changed, 8 insertions(+), 1 deletion(-)
+
+diff --git a/perl.h b/perl.h
+index dcb184b..9bce052 100644
+--- a/perl.h
++++ b/perl.h
+@@ -5583,7 +5583,14 @@ EXTCONST runops_proc_t PL_runops_std
+ EXTCONST runops_proc_t PL_runops_dbg
+   INIT(Perl_runops_debug);
+ 
+-#define EXT_MGVTBL EXTCONST MGVTBL
++/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
++ * magic vtables const, but this is incompatible with SWIG which
++ * does want to modify the vtables. */
++#ifdef PERL_GLOBAL_STRUCT_PRIVATE
++#  define EXT_MGVTBL EXTCONST MGVTBL
++#else
++#  define EXT_MGVTBL EXT MGVTBL
++#endif
+ 
+ #define PERL_MAGIC_READONLY_ACCEPTABLE 0x40
+ #define PERL_MAGIC_VALUE_MAGIC 0x80
+-- 
+2.1.0
+

perl.spec

@@ -96,6 +96,9 @@ Patch26:        perl-5.18.2-Destroy-GDBM-NDBM-ODBM-SDBM-_File-objects-only-from-
 # in upstream after 5.22.0
 Patch27:        perl-5.22.0-make-PadlistNAMES-lvalue-again.patch
 
+# Workaround for Coro, bug #1231165, CPAN RT#101063. To remove in the future.
+Patch28:        perl-5.22.0-Revert-const-the-core-magic-vtables.patch
+
 
 # Link XS modules to libperl.so with EU::CBuilder on Linux, bug #960048
 Patch200:       perl-5.16.3-Link-XS-modules-to-libperl.so-with-EU-CBuilder-on-Li.patch
@@ -1852,6 +1855,7 @@ Perl extension for Version Objects
 %patch22 -p1
 %patch26 -p1
 %patch27 -p1
+%patch28 -p1
 %patch200 -p1
 %patch201 -p1
 
@@ -1871,6 +1875,7 @@ perl -x patchlevel.h \
     'Fedora Patch22: Document Math::BigInt::CalcEmu requires Math::BigInt (CPAN RT#85015)' \
     'Fedora Patch26: Make *DBM_File desctructors thread-safe (RT#61912)' \
     'Fedora Patch27: Make PadlistNAMES() lvalue again (CPAN RT#101063)' \
+    'Fedora Patch28: Make magic vtable writable as a work-around for Coro (CPAN RT#101063)' \
     'Fedora Patch200: Link XS modules to libperl.so with EU::CBuilder on Linux' \
     'Fedora Patch201: Link XS modules to libperl.so with EU::MM on Linux' \
     %{nil}
@@ -3646,6 +3651,7 @@ popd
   optional (bug #1228378)
 - Control building dual-lived sub-packages by perl_bootstrap macro
 - Make PadlistNAMES() lvalue again (bug #1231165)
+- Make magic vtable writable as a work-around for Coro (bug #1231165)
 
 * Thu Jun 18 2015 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 4:5.22.0-345
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_23_Mass_Rebuild