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-rw-r--r--gnu/local.mk1
-rw-r--r--gnu/packages/irc.scm1
-rw-r--r--gnu/packages/patches/quassel-qt-514-compat.patch130
3 files changed, 132 insertions, 0 deletions
diff --git a/gnu/local.mk b/gnu/local.mk
index 5438de4aac..7333427850 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -1450,6 +1450,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/qtbase-use-TZDIR.patch			\
   %D%/packages/patches/qtscript-disable-tests.patch		\
   %D%/packages/patches/quagga-reproducible-build.patch          \
+  %D%/packages/patches/quassel-qt-514-compat.patch		\
   %D%/packages/patches/quickswitch-fix-dmenu-check.patch	\
   %D%/packages/patches/qtwebkit-pbutils-include.patch		\
   %D%/packages/patches/randomjungle-disable-static-build.patch	\
diff --git a/gnu/packages/irc.scm b/gnu/packages/irc.scm
index 548a3ca049..e0726b606d 100644
--- a/gnu/packages/irc.scm
+++ b/gnu/packages/irc.scm
@@ -77,6 +77,7 @@
         (sha256
          (base32
           "0mg8jydc70vlylppzich26q4s40kr78r3ysfyjwisfvlg2byxvs8"))
+        (patches (search-patches "quassel-qt-514-compat.patch"))
         (modules '((guix build utils)))
         ;; We don't want to install the bundled scripts.
         (snippet
diff --git a/gnu/packages/patches/quassel-qt-514-compat.patch b/gnu/packages/patches/quassel-qt-514-compat.patch
new file mode 100644
index 0000000000..7a0c42e8aa
--- /dev/null
+++ b/gnu/packages/patches/quassel-qt-514-compat.patch
@@ -0,0 +1,130 @@
+https://github.com/quassel/quassel/commit/579e559a6322209df7cd51c34801fecff5fe734b.patch
+
+Based on the above patch, with some changes due to how the code has changed
+in the time since 0.13.1 was released.
+
+https://git.archlinux.org/svntogit/community.git/plain/trunk/quassel-0.13.1-qt5.14.patch?h=packages/quassel
+
+From 579e559a6322209df7cd51c34801fecff5fe734b Mon Sep 17 00:00:00 2001
+From: Manuel Nickschas <sputnick@quassel-irc.org>
+Date: Tue, 7 Jan 2020 18:34:54 +0100
+Subject: [PATCH] common: Disable enum type stream operators for Qt >= 5.14
+
+Starting from version 5.14, Qt provides stream operators for enum
+types, which collide with the ones we ship in types.h. Disable
+Quassel's stream operators when compiling against Qt 5.14 or later.
+
+Add a unit test that ensures that enum serialization honors the width
+of the underlying type.
+---
+ src/common/types.h          |  2 +
+ tests/common/CMakeLists.txt |  2 +
+ tests/common/typestest.cpp  | 79 +++++++++++++++++++++++++++++++++++++
+ 3 files changed, 83 insertions(+)
+ create mode 100644 tests/common/typestest.cpp
+
+diff --git a/src/common/types.h b/src/common/types.h
+index d3742b788..e2a9aab5e 100644
+--- a/src/common/types.h
++++ b/src/common/types.h
+@@ -140,6 +140,7 @@ Q_DECLARE_METATYPE(QHostAddress)
+ typedef QList<MsgId> MsgIdList;
+ typedef QList<BufferId> BufferIdList;
+
++#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
+ /**
+   * Catch-all stream serialization operator for enum types.
+   *
+@@ -169,6 +170,7 @@ QDataStream &operator>>(QDataStream &in, T &value) {
+     value = static_cast<T>(v);
+     return in;
+ }
++#endif
+
+ // Exceptions
+
+diff --git a/tests/common/typestest.cpp b/tests/common/typestest.cpp
+new file mode 100644
+index 000000000..04031c299
+--- /dev/null
++++ b/tests/common/typestest.cpp
+@@ -0,0 +1,79 @@
++/***************************************************************************
++ *   Copyright (C) 2005-2020 by the Quassel Project                        *
++ *   devel@quassel-irc.org                                                 *
++ *                                                                         *
++ *   This program is free software; you can redistribute it and/or modify  *
++ *   it under the terms of the GNU General Public License as published by  *
++ *   the Free Software Foundation; either version 2 of the License, or     *
++ *   (at your option) version 3.                                           *
++ *                                                                         *
++ *   This program is distributed in the hope that it will be useful,       *
++ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
++ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
++ *   GNU General Public License for more details.                          *
++ *                                                                         *
++ *   You should have received a copy of the GNU General Public License     *
++ *   along with this program; if not, write to the                         *
++ *   Free Software Foundation, Inc.,                                       *
++ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
++ ***************************************************************************/
++
++#include <cstdint>
++
++#include <QByteArray>
++#include <QDataStream>
++#include <QObject>
++
++#include "testglobal.h"
++#include "types.h"
++
++using namespace ::testing;
++
++class EnumHolder
++{
++    Q_GADGET
++
++public:
++    enum class Enum16 : uint16_t {};
++    enum class Enum32 : uint32_t {};
++
++    enum class EnumQt16 : uint16_t {};
++    Q_ENUM(EnumQt16)
++    enum class EnumQt32 : uint32_t {};
++    Q_ENUM(EnumQt32)
++};
++
++// Verify that enums are (de)serialized as their underlying type
++TEST(TypesTest, enumSerialization)
++{
++    QByteArray data;
++    QDataStream out(&data, QIODevice::WriteOnly);
++
++    // Serialize
++    out << EnumHolder::Enum16(0xabcd);
++    ASSERT_THAT(data.size(), Eq(2));
++    out << EnumHolder::Enum32(0x123456);
++    ASSERT_THAT(data.size(), Eq(6));
++    out << EnumHolder::EnumQt16(0x4321);
++    ASSERT_THAT(data.size(), Eq(8));
++    out << EnumHolder::Enum32(0xfedcba);
++    ASSERT_THAT(data.size(), Eq(12));
++    ASSERT_THAT(out.status(), Eq(QDataStream::Status::Ok));
++
++    // Deserialize
++    QDataStream in(data);
++    EnumHolder::Enum16 enum16;
++    EnumHolder::Enum32 enum32;
++    EnumHolder::EnumQt16 enumQt16;
++    EnumHolder::EnumQt32 enumQt32;
++    in >> enum16  >> enum32 >> enumQt16 >> enumQt32;
++    ASSERT_THAT(in.status(), Eq(QDataStream::Status::Ok));
++    EXPECT_TRUE(in.atEnd());
++
++    EXPECT_THAT((int)enum16, Eq(0xabcd));
++    EXPECT_THAT((int)enum32, Eq(0x123456));
++    EXPECT_THAT((int)enumQt16, Eq(0x4321));
++    EXPECT_THAT((int)enumQt32, Eq(0xfedcba));
++}
++
++#include "typestest.moc"