import mingw-binutils-2.30-3.el8
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CentOS Sources
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146
SOURCES/0001-Remove-PROVIDE-qualifiers.patch
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146
SOURCES/0001-Remove-PROVIDE-qualifiers.patch
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From a985e9b9deabd81e16754584f4397a638e9d3f36 Mon Sep 17 00:00:00 2001
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From: Nick Clifton <nickc@redhat.com>
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Date: Mon, 5 Feb 2018 09:12:42 +0000
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Subject: [PATCH] Import patch from mainline to remove PROVODE qualifiers
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around definitions of __CTOR_LIST__ and __DTOR_LIST__ in PE linker scripts.
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PR 22762
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* scripttempl/pe.sc: Remove PROVIDE()s from __CTOR_LIST__ and
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__DTOR_LIST__ symbols. Add a comment explaining why this is
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necessary.
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* scripttemp/pep.sc: Likewise.
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* ld.texinfo (PROVIDE): Add a note about the effect of common
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symbols.
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---
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ld/ChangeLog | 14 ++++++++++++++
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ld/ld.texinfo | 6 ++++++
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ld/scripttempl/pe.sc | 24 ++++++++++++++++++++----
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ld/scripttempl/pep.sc | 24 ++++++++++++++++++++----
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4 files changed, 60 insertions(+), 8 deletions(-)
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diff --git a/ld/ChangeLog b/ld/ChangeLog
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index 0f00265029c..bf129a121cc 100644
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--- a/ld/ChangeLog
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+++ b/ld/ChangeLog
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@@ -1,3 +1,17 @@
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+2018-02-05 Nick Clifton <nickc@redhat.com>
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+
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+ Import from mainline:
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+
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+ 2018-02-03 Nick Clifton <nickc@redhat.com>
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+
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+ PR 22762
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+ * scripttempl/pe.sc: Remove PROVIDE()s from __CTOR_LIST__ and
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+ __DTOR_LIST__ symbols. Add a comment explaining why this is
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+ necessary.
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+ * scripttemp/pep.sc: Likewise.
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+ * ld.texinfo (PROVIDE): Add a note about the effect of common
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+ symbols.
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+
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2018-01-27 Nick Clifton <nickc@redhat.com>
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This is the 2.30 release:
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diff --git a/ld/ld.texinfo b/ld/ld.texinfo
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index c89915f1aaa..764c4017c7b 100644
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--- a/ld/ld.texinfo
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+++ b/ld/ld.texinfo
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@@ -4001,6 +4001,12 @@ underscore), the linker will silently use the definition in the program.
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If the program references @samp{etext} but does not define it, the
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linker will use the definition in the linker script.
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+Note - the @code{PROVIDE} directive considers a common symbol to be
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+defined, even though such a symbol could be combined with the symbol
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+that the @code{PROVIDE} would create. This is particularly important
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+when considering constructor and destructor list symbols such as
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+@samp{__CTOR_LIST__} as these are often defined as common symbols.
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+
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@node PROVIDE_HIDDEN
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@subsection PROVIDE_HIDDEN
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@cindex PROVIDE_HIDDEN
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diff --git a/ld/scripttempl/pe.sc b/ld/scripttempl/pe.sc
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index c8a45ca09d1..f56d783ea03 100644
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--- a/ld/scripttempl/pe.sc
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+++ b/ld/scripttempl/pe.sc
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@@ -98,8 +98,22 @@ SECTIONS
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${RELOCATING+*(.glue_7t)}
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${RELOCATING+*(.glue_7)}
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${CONSTRUCTING+
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- PROVIDE(___CTOR_LIST__ = .);
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- PROVIDE(__CTOR_LIST__ = .);
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+ /* Note: we always define __CTOR_LIST__ and ___CTOR_LIST__ here,
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+ we do not PROVIDE them. This is because the ctors.o startup
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+ code in libgcc defines them as common symbols, with the
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+ expectation that they will be overridden by the definitions
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+ here. If we PROVIDE the symbols then they will not be
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+ overridden and global constructors will not be run.
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+
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+ This does mean that it is not possible for a user to define
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+ their own __CTOR_LIST__ and __DTOR_LIST__ symbols. If that
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+ ability is needed a custom linker script will have to be
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+ used. (The custom script can just be a copy of this script
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+ with the PROVIDE() qualifiers added).
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+
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+ See PR 22762 for more details. */
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+ ___CTOR_LIST__ = .;
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+ __CTOR_LIST__ = .;
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LONG (-1);
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KEEP(*(.ctors));
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KEEP(*(.ctor));
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@@ -107,8 +121,10 @@ SECTIONS
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LONG (0);
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}
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${CONSTRUCTING+
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- PROVIDE(___DTOR_LIST__ = .);
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- PROVIDE(__DTOR_LIST__ = .);
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+ /* See comment about __CTOR_LIST__ above. The same reasoning
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+ applies here too. */
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+ ___DTOR_LIST__ = .;
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+ __DTOR_LIST__ = .;
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LONG (-1);
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KEEP(*(.dtors));
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KEEP(*(.dtor));
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diff --git a/ld/scripttempl/pep.sc b/ld/scripttempl/pep.sc
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index 8daacb27630..3c6c84da9bf 100644
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--- a/ld/scripttempl/pep.sc
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+++ b/ld/scripttempl/pep.sc
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@@ -99,8 +99,22 @@ SECTIONS
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${RELOCATING+*(.glue_7)}
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${CONSTRUCTING+. = ALIGN(8);}
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${CONSTRUCTING+
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- PROVIDE(___CTOR_LIST__ = .);
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- PROVIDE(__CTOR_LIST__ = .);
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+ /* Note: we always define __CTOR_LIST__ and ___CTOR_LIST__ here,
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+ we do not PROVIDE them. This is because the ctors.o startup
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+ code in libgcc defines them as common symbols, with the
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+ expectation that they will be overridden by the definitions
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+ here. If we PROVIDE the symbols then they will not be
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+ overridden and global constructors will not be run.
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+
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+ This does mean that it is not possible for a user to define
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+ their own __CTOR_LIST__ and __DTOR_LIST__ symbols. If that
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+ ability is needed a custom linker script will have to be
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+ used. (The custom script can just be a copy of this script
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+ with the PROVIDE() qualifiers added).
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+
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+ See PR 22762 for more details. */
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+ ___CTOR_LIST__ = .;
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+ __CTOR_LIST__ = .;
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LONG (-1); LONG (-1);
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KEEP (*(.ctors));
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KEEP (*(.ctor));
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@@ -108,8 +122,10 @@ SECTIONS
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LONG (0); LONG (0);
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}
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${CONSTRUCTING+
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- PROVIDE(___DTOR_LIST__ = .);
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- PROVIDE(__DTOR_LIST__ = .);
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+ /* See comment about __CTOR_LIST__ above. The same reasoning
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+ applies here too. */
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+ ___DTOR_LIST__ = .;
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+ __DTOR_LIST__ = .;
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LONG (-1); LONG (-1);
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KEEP (*(.dtors));
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KEEP (*(.dtor));
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--
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2.18.2
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@ -2,7 +2,7 @@
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Name: mingw-binutils
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Version: 2.30
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Release: 1%{?dist}
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Release: 3%{?dist}
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Summary: Cross-compiled version of binutils for Win32 and Win64 environments
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License: GPLv2+ and LGPLv2+ and GPLv3+ and LGPLv3+
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@ -10,7 +10,9 @@ Group: Development/Libraries
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URL: http://www.gnu.org/software/binutils/
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Source0: http://ftp.gnu.org/gnu/binutils/binutils-%{version}.tar.bz2
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#Source0: http://www.kernel.org/pub/linux/devel/binutils/binutils-%{version}.tar.bz2
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#Source0: http://www.kernel.org/pub/linux/devel/binutils/binutils-% {version}.tar.bz2
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Patch0001: 0001-Remove-PROVIDE-qualifiers.patch
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BuildRequires: flex
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BuildRequires: bison
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@ -61,7 +63,7 @@ understand Windows executables and DLLs.
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%prep
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%setup -q -n binutils-%{version}
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%patch0001 -p1 -b .0001
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%build
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mkdir build_win32
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@ -251,6 +253,13 @@ rm -rf $RPM_BUILD_ROOT/multilib
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%changelog
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* Tue Dec 01 2020 Uri Lublin <uril@redhat.com> - 2.30-3
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- rebuilt
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* Thu Jun 11 2020 Uri Lublin <uril@redhat.com> - 2.30-2
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- Remove PROVIDE() qualifiers from definition of __CTOR_LIST__ and __DTOR_LIST__
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Resolves: rhbz#1846152
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* Wed Aug 22 2018 Victor Toso <victortoso@redhat.com> - 2.30-1
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- Update to 2.30
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- Related: rhbz#1615874
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