qt5{14,15}.qtbase: fix on darwin

10 files changed, 196 insertions, 242 deletions

diff --git a/pkgs/development/libraries/qt-5/5.14/default.nix b/pkgs/development/libraries/qt-5/5.14/default.nix
index ecb95aaa2ab20..b4486bf025d73 100644
--- a/pkgs/development/libraries/qt-5/5.14/default.nix
+++ b/pkgs/development/libraries/qt-5/5.14/default.nix
@@ -54,7 +54,10 @@ let
     qtbase =
       optionals stdenv.isDarwin [
         ./qtbase.patch.d/0001-qtbase-mkspecs-mac.patch
-        ./qtbase.patch.d/0002-qtbase-mac.patch
+
+        # Downgrade minimal required SDK to 10.12
+        ./qtbase.patch.d/0013-define-kiosurfacesuccess.patch
+        ./qtbase.patch.d/qtbase-sdk-10.12-mac.patch
 
         # Patch framework detection to support X.framework/X.tbd,
         # extending the current support for X.framework/X.
diff --git a/pkgs/development/libraries/qt-5/5.14/qtbase.patch.d/0001-qtbase-mkspecs-mac.patch b/pkgs/development/libraries/qt-5/5.14/qtbase.patch.d/0001-qtbase-mkspecs-mac.patch
index 0951b6646ab7e..0f38ce0d7f61d 100644
--- a/pkgs/development/libraries/qt-5/5.14/qtbase.patch.d/0001-qtbase-mkspecs-mac.patch
+++ b/pkgs/development/libraries/qt-5/5.14/qtbase.patch.d/0001-qtbase-mkspecs-mac.patch
@@ -309,10 +309,8 @@ index e3534561a5..3b01424e67 100644
 -xcode_copy_phase_strip_setting.value = NO
 -QMAKE_MAC_XCODE_SETTINGS += xcode_copy_phase_strip_setting
 diff --git a/mkspecs/features/mac/sdk.mk b/mkspecs/features/mac/sdk.mk
-deleted file mode 100644
-index c40f58c987..0000000000
 --- a/mkspecs/features/mac/sdk.mk
-+++ /dev/null
++++ b/mkspecs/features/mac/sdk.mk
 @@ -1,25 +0,0 @@
 -
 -ifeq ($(QT_MAC_SDK_NO_VERSION_CHECK),)
diff --git a/pkgs/development/libraries/qt-5/5.14/qtbase.patch.d/0002-qtbase-mac.patch b/pkgs/development/libraries/qt-5/5.14/qtbase.patch.d/0002-qtbase-mac.patch
deleted file mode 100644
index 2e28466c50325..0000000000000
--- a/pkgs/development/libraries/qt-5/5.14/qtbase.patch.d/0002-qtbase-mac.patch
+++ /dev/null
@@ -1,116 +0,0 @@
-From ccaa916eab33093704293bc911eedd85fbe5f160 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Milan=20P=C3=A4ssler?= <me@pbb.lc>
-Date: Fri, 3 Apr 2020 21:15:27 +0200
-Subject: [PATCH 02/10] qtbase-mac
-
----
- src/corelib/kernel/qcore_mac_p.h | 16 ++++++++++++++--
- src/testlib/qappletestlogger.cpp |  2 +-
- src/testlib/qappletestlogger_p.h |  2 +-
- src/testlib/qtestcase.cpp        |  2 +-
- src/testlib/qtestlog.cpp         |  2 +-
- src/testlib/qtestlog_p.h         |  2 +-
- 6 files changed, 19 insertions(+), 7 deletions(-)
-
-diff --git a/src/corelib/kernel/qcore_mac_p.h b/src/corelib/kernel/qcore_mac_p.h
-index 535d3579b2..3d70bf39c1 100644
---- a/src/corelib/kernel/qcore_mac_p.h
-+++ b/src/corelib/kernel/qcore_mac_p.h
-@@ -225,7 +225,7 @@ private:
- 
- // --------------------------------------------------------------------------
- 
--#if !defined(QT_BOOTSTRAPPED)
-+#if 0
- 
- QT_END_NAMESPACE
- #include <os/activity.h>
-@@ -303,7 +303,19 @@ QT_MAC_WEAK_IMPORT(_os_activity_current);
- 
- #define QT_APPLE_SCOPED_LOG_ACTIVITY(...) QAppleLogActivity scopedLogActivity = QT_APPLE_LOG_ACTIVITY(__VA_ARGS__).enter();
- 
--#endif // !defined(QT_BOOTSTRAPPED)
-+#else // !defined(QT_BOOTSTRAPPED)
-+
-+#define QT_APPLE_LOG_ACTIVITY_WITH_PARENT3(...)
-+#define QT_APPLE_LOG_ACTIVITY_WITH_PARENT2(...)
-+#define QT_APPLE_LOG_ACTIVITY_WITH_PARENT(...)
-+
-+#define QT_APPLE_LOG_ACTIVITY2(...)
-+#define QT_APPLE_LOG_ACTIVITY1(...)
-+#define QT_APPLE_LOG_ACTIVITY(...)
-+
-+#define QT_APPLE_SCOPED_LOG_ACTIVITY(...)
-+
-+#endif
- 
- // -------------------------------------------------------------------------
- 
-diff --git a/src/testlib/qappletestlogger.cpp b/src/testlib/qappletestlogger.cpp
-index dfeadebdef..2a74330c1d 100644
---- a/src/testlib/qappletestlogger.cpp
-+++ b/src/testlib/qappletestlogger.cpp
-@@ -43,7 +43,7 @@
- 
- QT_BEGIN_NAMESPACE
- 
--#if defined(QT_USE_APPLE_UNIFIED_LOGGING)
-+#if defined(QT_USE_APPLE_UNIFIED_LOGGING) && 0
- 
- using namespace QTestPrivate;
- 
-diff --git a/src/testlib/qappletestlogger_p.h b/src/testlib/qappletestlogger_p.h
-index 62c6d95c5a..f8e0a3b767 100644
---- a/src/testlib/qappletestlogger_p.h
-+++ b/src/testlib/qappletestlogger_p.h
-@@ -57,7 +57,7 @@
- 
- QT_BEGIN_NAMESPACE
- 
--#if defined(QT_USE_APPLE_UNIFIED_LOGGING)
-+#if defined(QT_USE_APPLE_UNIFIED_LOGGING) && 0
- class QAppleTestLogger : public QAbstractTestLogger
- {
- public:
-diff --git a/src/testlib/qtestcase.cpp b/src/testlib/qtestcase.cpp
-index 70733a692a..8bcda17858 100644
---- a/src/testlib/qtestcase.cpp
-+++ b/src/testlib/qtestcase.cpp
-@@ -852,7 +852,7 @@ Q_TESTLIB_EXPORT void qtest_qParseArgs(int argc, const char *const argv[], bool
- 
-     bool addFallbackLogger = !explicitLoggerRequested;
- 
--#if defined(QT_USE_APPLE_UNIFIED_LOGGING)
-+#if defined(QT_USE_APPLE_UNIFIED_LOGGING) && 0
-     // Any explicitly requested loggers will be added by now, so we can check if they use stdout
-     const bool safeToAddAppleLogger = !AppleUnifiedLogger::willMirrorToStderr() || !QTestLog::loggerUsingStdout();
-     if (safeToAddAppleLogger && QAppleTestLogger::debugLoggingEnabled()) {
-diff --git a/src/testlib/qtestlog.cpp b/src/testlib/qtestlog.cpp
-index f3ebf343c5..9b4f526b2e 100644
---- a/src/testlib/qtestlog.cpp
-+++ b/src/testlib/qtestlog.cpp
-@@ -465,7 +465,7 @@ void QTestLog::addLogger(LogMode mode, const char *filename)
-     case QTestLog::TAP:
-         logger = new QTapTestLogger(filename);
-         break;
--#if defined(QT_USE_APPLE_UNIFIED_LOGGING)
-+#if defined(QT_USE_APPLE_UNIFIED_LOGGING) && 0
-     case QTestLog::Apple:
-         logger = new QAppleTestLogger;
-         break;
-diff --git a/src/testlib/qtestlog_p.h b/src/testlib/qtestlog_p.h
-index fff36f290d..f737ccf064 100644
---- a/src/testlib/qtestlog_p.h
-+++ b/src/testlib/qtestlog_p.h
-@@ -72,7 +72,7 @@ public:
- 
-     enum LogMode {
-         Plain = 0, XML, LightXML, XunitXML, CSV, TeamCity, TAP
--#if defined(QT_USE_APPLE_UNIFIED_LOGGING)
-+#if defined(QT_USE_APPLE_UNIFIED_LOGGING) && 0
-         , Apple
- #endif
- #if defined(HAVE_XCTEST)
--- 
-2.25.1
-
diff --git a/pkgs/development/libraries/qt-5/5.14/qtbase.patch.d/0013-define-kiosurfacesuccess.patch b/pkgs/development/libraries/qt-5/5.14/qtbase.patch.d/0013-define-kiosurfacesuccess.patch
new file mode 100644
index 0000000000000..a43a46d8a69b0
--- /dev/null
+++ b/pkgs/development/libraries/qt-5/5.14/qtbase.patch.d/0013-define-kiosurfacesuccess.patch
@@ -0,0 +1,16 @@
+diff --git a/src/plugins/platforms/cocoa/qiosurfacegraphicsbuffer.mm b/src/plugins/platforms/cocoa/qiosurfacegraphicsbuffer.mm
+index a367487e..c3aeca1d 100644
+--- a/src/plugins/platforms/cocoa/qiosurfacegraphicsbuffer.mm
++++ b/src/plugins/platforms/cocoa/qiosurfacegraphicsbuffer.mm
+@@ -49,6 +49,11 @@
+ // but was only added in the 10.14 SDK, so declare it just in case.
+ extern "C" CFPropertyListRef CGColorSpaceCopyPropertyList(CGColorSpaceRef space);
+ 
++// Introduced in 10.13: http://codeworkshop.net/objc-diff/sdkdiffs/macos/10.13/IOSurface.html
++#if !defined(kIOSurfaceSuccess)
++#define kIOSurfaceSuccess KERN_SUCCESS
++#endif
++
+ QT_BEGIN_NAMESPACE
+ 
+ Q_LOGGING_CATEGORY(lcQpaIOSurface, "qt.qpa.backingstore.iosurface");
diff --git a/pkgs/development/libraries/qt-5/5.14/qtbase.patch.d/qtbase-sdk-10.12-mac.patch b/pkgs/development/libraries/qt-5/5.14/qtbase.patch.d/qtbase-sdk-10.12-mac.patch
new file mode 100644
index 0000000000000..b2dff5aba8f62
--- /dev/null
+++ b/pkgs/development/libraries/qt-5/5.14/qtbase.patch.d/qtbase-sdk-10.12-mac.patch
@@ -0,0 +1,77 @@
+diff --git a/mkspecs/common/macx.conf b/mkspecs/common/macx.conf
+--- a/mkspecs/common/macx.conf
++++ b/mkspecs/common/macx.conf
+@@ -10,7 +10,7 @@ QMAKE_APPLE_DEVICE_ARCHS = x86_64
+ 
+ # Should be 10.15, but as long as the CI builds with
+ # older SDKs we have to keep this.
+-QT_MAC_SDK_VERSION_MIN = 10.14
++QT_MAC_SDK_VERSION_MIN = 10.12
+ 
+ QT_MAC_SDK_VERSION_MAX = 10.15
+ 
+diff --git a/src/corelib/kernel/qcore_mac_objc.mm b/src/corelib/kernel/qcore_mac_objc.mm
+--- a/src/corelib/kernel/qcore_mac_objc.mm
++++ b/src/corelib/kernel/qcore_mac_objc.mm
+@@ -142,16 +142,10 @@ QMacAutoReleasePool::QMacAutoReleasePool()
+ 
+ #ifdef QT_DEBUG
+     void *poolFrame = nullptr;
+-    if (__builtin_available(macOS 10.14, iOS 12.0, tvOS 12.0, watchOS 5.0, *)) {
+-        void *frame;
+-        if (backtrace_from_fp(__builtin_frame_address(0), &frame, 1))
+-            poolFrame = frame;
+-    } else {
+         static const int maxFrames = 3;
+         void *callstack[maxFrames];
+         if (backtrace(callstack, maxFrames) == maxFrames)
+             poolFrame = callstack[maxFrames - 1];
+-    }
+ 
+     if (poolFrame) {
+         Dl_info info;
+diff --git a/src/gui/rhi/qrhi.cpp b/src/gui/rhi/qrhi.cpp
+--- a/src/gui/rhi/qrhi.cpp
++++ b/src/gui/rhi/qrhi.cpp
+@@ -4050,7 +4050,7 @@ QRhi *QRhi::create(Implementation impl, QRhiInitParams *params, Flags flags, QRh
+ #endif
+     case Metal:
+ //#ifdef Q_OS_DARWIN
+-#ifdef Q_OS_MACOS
++#if 0
+         r->d = new QRhiMetal(static_cast<QRhiMetalInitParams *>(params),
+                              static_cast<QRhiMetalNativeHandles *>(importDevice));
+         break;
+diff --git a/src/gui/rhi/rhi.pri b/src/gui/rhi/rhi.pri
+--- a/src/gui/rhi/rhi.pri
++++ b/src/gui/rhi/rhi.pri
+@@ -44,7 +44,7 @@ win32 {
+ }
+ 
+ # darwin {
+-macos {
++false {
+     HEADERS += \
+         rhi/qrhimetal_p.h \
+         rhi/qrhimetal_p_p.h
+diff --git a/src/plugins/platforms/cocoa/qcocoadrag.mm b/src/plugins/platforms/cocoa/qcocoadrag.mm
+--- a/src/plugins/platforms/cocoa/qcocoadrag.mm
++++ b/src/plugins/platforms/cocoa/qcocoadrag.mm
+@@ -134,7 +134,7 @@ Qt::DropAction QCocoaDrag::drag(QDrag *o)
+     NSImage *nsimage = qt_mac_create_nsimage(pm);
+     [nsimage setSize:NSSizeFromCGSize(pmDeviceIndependentSize.toCGSize())];
+ 
+-    QMacPasteboard dragBoard(CFStringRef(NSPasteboardNameDrag), QMacInternalPasteboardMime::MIME_DND);
++    QMacPasteboard dragBoard((CFStringRef) NSDragPboard, QMacInternalPasteboardMime::MIME_DND);
+     m_drag->mimeData()->setData(QLatin1String("application/x-qt-mime-type-name"), QByteArray("dummy"));
+     dragBoard.setMimeData(m_drag->mimeData(), QMacPasteboard::LazyRequest);
+ 
+@@ -145,7 +145,7 @@ Qt::DropAction QCocoaDrag::drag(QDrag *o)
+     CGFloat flippedY = pmDeviceIndependentSize.height() - hotSpot.y();
+     event_location.y -= flippedY;
+     NSSize mouseOffset_unused = NSMakeSize(0.0, 0.0);
+-    NSPasteboard *pboard = [NSPasteboard pasteboardWithName:NSPasteboardNameDrag];
++    NSPasteboard *pboard = [NSPasteboard pasteboardWithName:NSDragPboard];
+ 
+     [theWindow dragImage:nsimage
+         at:event_location
diff --git a/pkgs/development/libraries/qt-5/5.15/default.nix b/pkgs/development/libraries/qt-5/5.15/default.nix
index 1f24cd2f2e113..b4e3d681c749c 100644
--- a/pkgs/development/libraries/qt-5/5.15/default.nix
+++ b/pkgs/development/libraries/qt-5/5.15/default.nix
@@ -54,7 +54,10 @@ let
     qtbase =
       optionals stdenv.isDarwin [
         ./qtbase.patch.d/0001-qtbase-mkspecs-mac.patch
-        ./qtbase.patch.d/0002-qtbase-mac.patch
+
+        # Downgrade minimal required SDK to 10.12
+        ./qtbase.patch.d/0013-define-kiosurfacesuccess.patch
+        ./qtbase.patch.d/qtbase-sdk-10.12-mac.patch
 
         # Patch framework detection to support X.framework/X.tbd,
         # extending the current support for X.framework/X.
diff --git a/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0001-qtbase-mkspecs-mac.patch b/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0001-qtbase-mkspecs-mac.patch
index ba4c54b228c8d..3a2900abdd6be 100644
--- a/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0001-qtbase-mkspecs-mac.patch
+++ b/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0001-qtbase-mkspecs-mac.patch
@@ -309,10 +309,8 @@ index e3534561a5..3b01424e67 100644
 -xcode_copy_phase_strip_setting.value = NO
 -QMAKE_MAC_XCODE_SETTINGS += xcode_copy_phase_strip_setting
 diff --git a/mkspecs/features/mac/sdk.mk b/mkspecs/features/mac/sdk.mk
-deleted file mode 100644
-index c40f58c987..0000000000
 --- a/mkspecs/features/mac/sdk.mk
-+++ /dev/null
++++ b/mkspecs/features/mac/sdk.mk
 @@ -1,25 +0,0 @@
 -
 -ifeq ($(QT_MAC_SDK_NO_VERSION_CHECK),)
diff --git a/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0002-qtbase-mac.patch b/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0002-qtbase-mac.patch
deleted file mode 100644
index 4271b64679d70..0000000000000
--- a/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0002-qtbase-mac.patch
+++ /dev/null
@@ -1,118 +0,0 @@
-From a9ba67d3db7390d9ddc46751346e70b0a522711a Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Milan=20P=C3=A4ssler?= <me@pbb.lc>
-Date: Fri, 3 Apr 2020 21:15:27 +0200
-Subject: [PATCH 02/11] qtbase-mac
-
----
- src/corelib/kernel/qcore_mac_p.h | 16 ++++++++++++++--
- src/testlib/qappletestlogger.cpp |  2 +-
- src/testlib/qappletestlogger_p.h |  2 +-
- src/testlib/qtestcase.cpp        |  2 +-
- src/testlib/qtestlog.cpp         |  2 +-
- src/testlib/qtestlog_p.h         |  4 ++--
- 6 files changed, 20 insertions(+), 8 deletions(-)
-
-diff --git a/src/corelib/kernel/qcore_mac_p.h b/src/corelib/kernel/qcore_mac_p.h
-index 535d3579b2..3d70bf39c1 100644
---- a/src/corelib/kernel/qcore_mac_p.h
-+++ b/src/corelib/kernel/qcore_mac_p.h
-@@ -225,7 +225,7 @@ private:
- 
- // --------------------------------------------------------------------------
- 
--#if !defined(QT_BOOTSTRAPPED)
-+#if 0
- 
- QT_END_NAMESPACE
- #include <os/activity.h>
-@@ -303,7 +303,19 @@ QT_MAC_WEAK_IMPORT(_os_activity_current);
- 
- #define QT_APPLE_SCOPED_LOG_ACTIVITY(...) QAppleLogActivity scopedLogActivity = QT_APPLE_LOG_ACTIVITY(__VA_ARGS__).enter();
- 
--#endif // !defined(QT_BOOTSTRAPPED)
-+#else // !defined(QT_BOOTSTRAPPED)
-+
-+#define QT_APPLE_LOG_ACTIVITY_WITH_PARENT3(...)
-+#define QT_APPLE_LOG_ACTIVITY_WITH_PARENT2(...)
-+#define QT_APPLE_LOG_ACTIVITY_WITH_PARENT(...)
-+
-+#define QT_APPLE_LOG_ACTIVITY2(...)
-+#define QT_APPLE_LOG_ACTIVITY1(...)
-+#define QT_APPLE_LOG_ACTIVITY(...)
-+
-+#define QT_APPLE_SCOPED_LOG_ACTIVITY(...)
-+
-+#endif
- 
- // -------------------------------------------------------------------------
- 
-diff --git a/src/testlib/qappletestlogger.cpp b/src/testlib/qappletestlogger.cpp
-index dfeadebdef..2a74330c1d 100644
---- a/src/testlib/qappletestlogger.cpp
-+++ b/src/testlib/qappletestlogger.cpp
-@@ -43,7 +43,7 @@
- 
- QT_BEGIN_NAMESPACE
- 
--#if defined(QT_USE_APPLE_UNIFIED_LOGGING)
-+#if defined(QT_USE_APPLE_UNIFIED_LOGGING) && 0
- 
- using namespace QTestPrivate;
- 
-diff --git a/src/testlib/qappletestlogger_p.h b/src/testlib/qappletestlogger_p.h
-index 62c6d95c5a..f8e0a3b767 100644
---- a/src/testlib/qappletestlogger_p.h
-+++ b/src/testlib/qappletestlogger_p.h
-@@ -57,7 +57,7 @@
- 
- QT_BEGIN_NAMESPACE
- 
--#if defined(QT_USE_APPLE_UNIFIED_LOGGING)
-+#if defined(QT_USE_APPLE_UNIFIED_LOGGING) && 0
- class QAppleTestLogger : public QAbstractTestLogger
- {
- public:
-diff --git a/src/testlib/qtestcase.cpp b/src/testlib/qtestcase.cpp
-index f45999c7fa..d5b525dc12 100644
---- a/src/testlib/qtestcase.cpp
-+++ b/src/testlib/qtestcase.cpp
-@@ -849,7 +849,7 @@ Q_TESTLIB_EXPORT void qtest_qParseArgs(int argc, const char *const argv[], bool
- 
-     bool addFallbackLogger = !explicitLoggerRequested;
- 
--#if defined(QT_USE_APPLE_UNIFIED_LOGGING)
-+#if defined(QT_USE_APPLE_UNIFIED_LOGGING) && 0
-     // Any explicitly requested loggers will be added by now, so we can check if they use stdout
-     const bool safeToAddAppleLogger = !AppleUnifiedLogger::willMirrorToStderr() || !QTestLog::loggerUsingStdout();
-     if (safeToAddAppleLogger && QAppleTestLogger::debugLoggingEnabled()) {
-diff --git a/src/testlib/qtestlog.cpp b/src/testlib/qtestlog.cpp
-index a388780532..63ab965101 100644
---- a/src/testlib/qtestlog.cpp
-+++ b/src/testlib/qtestlog.cpp
-@@ -465,7 +465,7 @@ void QTestLog::addLogger(LogMode mode, const char *filename)
-     case QTestLog::TAP:
-         logger = new QTapTestLogger(filename);
-         break;
--#if defined(QT_USE_APPLE_UNIFIED_LOGGING)
-+#if defined(QT_USE_APPLE_UNIFIED_LOGGING) && 0
-     case QTestLog::Apple:
-         logger = new QAppleTestLogger;
-         break;
-diff --git a/src/testlib/qtestlog_p.h b/src/testlib/qtestlog_p.h
-index ddaf14ed9b..0c49c93a88 100644
---- a/src/testlib/qtestlog_p.h
-+++ b/src/testlib/qtestlog_p.h
-@@ -74,8 +74,8 @@ public:
-     Q_DISABLE_COPY_MOVE(QTestLog)
- 
-     enum LogMode {
--        Plain = 0, XML, LightXML, JUnitXML, CSV, TeamCity, TAP
--#if defined(QT_USE_APPLE_UNIFIED_LOGGING)
-+        Plain = 0, XML, LightXML, XunitXML, CSV, TeamCity, TAP
-+#if defined(QT_USE_APPLE_UNIFIED_LOGGING) && 0
-         , Apple
- #endif
- #if defined(HAVE_XCTEST)
--- 
-2.25.4
-
diff --git a/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0013-define-kiosurfacesuccess.patch b/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0013-define-kiosurfacesuccess.patch
new file mode 100644
index 0000000000000..a43a46d8a69b0
--- /dev/null
+++ b/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0013-define-kiosurfacesuccess.patch
@@ -0,0 +1,16 @@
+diff --git a/src/plugins/platforms/cocoa/qiosurfacegraphicsbuffer.mm b/src/plugins/platforms/cocoa/qiosurfacegraphicsbuffer.mm
+index a367487e..c3aeca1d 100644
+--- a/src/plugins/platforms/cocoa/qiosurfacegraphicsbuffer.mm
++++ b/src/plugins/platforms/cocoa/qiosurfacegraphicsbuffer.mm
+@@ -49,6 +49,11 @@
+ // but was only added in the 10.14 SDK, so declare it just in case.
+ extern "C" CFPropertyListRef CGColorSpaceCopyPropertyList(CGColorSpaceRef space);
+ 
++// Introduced in 10.13: http://codeworkshop.net/objc-diff/sdkdiffs/macos/10.13/IOSurface.html
++#if !defined(kIOSurfaceSuccess)
++#define kIOSurfaceSuccess KERN_SUCCESS
++#endif
++
+ QT_BEGIN_NAMESPACE
+ 
+ Q_LOGGING_CATEGORY(lcQpaIOSurface, "qt.qpa.backingstore.iosurface");
diff --git a/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/qtbase-sdk-10.12-mac.patch b/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/qtbase-sdk-10.12-mac.patch
new file mode 100644
index 0000000000000..3638268de7af0
--- /dev/null
+++ b/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/qtbase-sdk-10.12-mac.patch
@@ -0,0 +1,77 @@
+diff --git a/mkspecs/common/macx.conf b/mkspecs/common/macx.conf
+--- a/mkspecs/common/macx.conf
++++ b/mkspecs/common/macx.conf
+@@ -10,7 +10,7 @@ QMAKE_APPLE_DEVICE_ARCHS = x86_64
+ 
+ # Should be 10.15, but as long as the CI builds with
+ # older SDKs we have to keep this.
+-QT_MAC_SDK_VERSION_MIN = 10.14
++QT_MAC_SDK_VERSION_MIN = 10.12
+ 
+ QT_MAC_SDK_VERSION_MAX = 10.15
+ 
+diff --git a/src/corelib/kernel/qcore_mac.mm b/src/corelib/kernel/qcore_mac.mm
+--- a/src/corelib/kernel/qcore_mac.mm
++++ b/src/corelib/kernel/qcore_mac.mm
+@@ -261,16 +261,10 @@ QMacAutoReleasePool::QMacAutoReleasePool()
+ 
+ #ifdef QT_DEBUG
+     void *poolFrame = nullptr;
+-    if (__builtin_available(macOS 10.14, iOS 12.0, tvOS 12.0, watchOS 5.0, *)) {
+-        void *frame;
+-        if (backtrace_from_fp(__builtin_frame_address(0), &frame, 1))
+-            poolFrame = frame;
+-    } else {
+         static const int maxFrames = 3;
+         void *callstack[maxFrames];
+         if (backtrace(callstack, maxFrames) == maxFrames)
+             poolFrame = callstack[maxFrames - 1];
+-    }
+ 
+     if (poolFrame) {
+         Dl_info info;
+diff --git a/src/gui/rhi/qrhi.cpp b/src/gui/rhi/qrhi.cpp
+--- a/src/gui/rhi/qrhi.cpp
++++ b/src/gui/rhi/qrhi.cpp
+@@ -4251,7 +4251,7 @@ QRhi *QRhi::create(Implementation impl, QRhiInitParams *params, Flags flags, QRh
+         break;
+ #endif
+     case Metal:
+-#if defined(Q_OS_MACOS) || defined(Q_OS_IOS)
++#if 0
+         r->d = new QRhiMetal(static_cast<QRhiMetalInitParams *>(params),
+                              static_cast<QRhiMetalNativeHandles *>(importDevice));
+         break;
+diff --git a/src/gui/rhi/rhi.pri b/src/gui/rhi/rhi.pri
+--- a/src/gui/rhi/rhi.pri
++++ b/src/gui/rhi/rhi.pri
+@@ -43,7 +43,7 @@ win32 {
+     LIBS += -ld3d11 -ldxgi -ldxguid
+ }
+ 
+-macos|ios {
++false {
+     HEADERS += \
+         rhi/qrhimetal_p.h \
+         rhi/qrhimetal_p_p.h
+diff --git a/src/plugins/platforms/cocoa/qcocoadrag.mm b/src/plugins/platforms/cocoa/qcocoadrag.mm
+--- a/src/plugins/platforms/cocoa/qcocoadrag.mm
++++ b/src/plugins/platforms/cocoa/qcocoadrag.mm
+@@ -133,7 +133,7 @@ Qt::DropAction QCocoaDrag::drag(QDrag *o)
+     NSImage *dragImage = [NSImage imageFromQImage:pm.toImage()];
+     Q_ASSERT(dragImage);
+ 
+-    QMacPasteboard dragBoard(CFStringRef(NSPasteboardNameDrag), QMacInternalPasteboardMime::MIME_DND);
++    QMacPasteboard dragBoard((CFStringRef) NSDragPboard, QMacInternalPasteboardMime::MIME_DND);
+     m_drag->mimeData()->setData(QLatin1String("application/x-qt-mime-type-name"), QByteArray("dummy"));
+     dragBoard.setMimeData(m_drag->mimeData(), QMacPasteboard::LazyRequest);
+ 
+@@ -144,7 +144,7 @@ Qt::DropAction QCocoaDrag::drag(QDrag *o)
+     CGFloat flippedY = dragImage.size.height - hotSpot.y();
+     event_location.y -= flippedY;
+     NSSize mouseOffset_unused = NSMakeSize(0.0, 0.0);
+-    NSPasteboard *pboard = [NSPasteboard pasteboardWithName:NSPasteboardNameDrag];
++    NSPasteboard *pboard = [NSPasteboard pasteboardWithName:NSDragPboard];
+ 
+     [theWindow dragImage:dragImage
+         at:event_location