qtbase: replace the fix for gcc-4.8 with the one from upstreamupstream/jansa/master-5.12jansa/master-5.12

* fixes:
| In file included from ../include/QtCore/qendian.h:1:0,
|                  from /OE/build/oe-core/tmp-glibc/work/x86_64-linux/qtbase-native/5.12.0+gitAUTOINC+13ed06640c-r0/git/src/corelib/codecs/qutfcodec.cpp:43:
| ../include/QtCore/../../../git/src/corelib/global/qendian.h: In instantiation of �constexpr Float qbswapFloatHelper(Float) [with Float = qfloat16]�:
| ../include/QtCore/../../../git/src/corelib/global/qendian.h:167:36:   required from here
| ../include/QtCore/../../../git/src/corelib/global/qendian.h:163:1: error: body of constexpr function �constexpr Float qbswapFloatHelper(Float) [with Float = qfloat16]� not a return-statement
|  }
|  ^
| ../include/QtCore/../../../git/src/corelib/global/qendian.h: In instantiation of �constexpr Float qbswapFloatHelper(Float) [with Float = float]�:
| ../include/QtCore/../../../git/src/corelib/global/qendian.h:172:29:   required from here
| ../include/QtCore/../../../git/src/corelib/global/qendian.h:163:1: error: body of constexpr function �constexpr Float qbswapFloatHelper(Float) [with Float = float]� not a return-statement
| ../include/QtCore/../../../git/src/corelib/global/qendian.h: In instantiation of �constexpr Float qbswapFloatHelper(Float) [with Float = double]�:
| ../include/QtCore/../../../git/src/corelib/global/qendian.h:177:29:   required from here
| ../include/QtCore/../../../git/src/corelib/global/qendian.h:163:1: error: body of constexpr function �constexpr Float qbswapFloatHelper(Float) [with Float = double]� not a return-statement

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

1 files changed, 59 insertions, 0 deletions

diff --git a/recipes-qt/qt5/qtbase/0019-Fix-compilation-of-qendian-s-qswap-specializations-o.patch b/recipes-qt/qt5/qtbase/0019-Fix-compilation-of-qendian-s-qswap-specializations-o.patch
new file mode 100644
index 00000000..21e3207d
--- /dev/null
+++ b/recipes-qt/qt5/qtbase/0019-Fix-compilation-of-qendian-s-qswap-specializations-o.patch
@@ -0,0 +1,59 @@
+From 4bcd7b1c6e06cfaef1a52795df007f1a9372eeed Mon Sep 17 00:00:00 2001
+From: Ville Voutilainen <ville.voutilainen@qt.io>
+Date: Wed, 21 Nov 2018 14:07:18 +0200
+Subject: [PATCH] Fix compilation of qendian's qswap specializations on gcc 4.8
+
+Task-number: QTBUG-71945
+Change-Id: Icf2b75c72946f57ebffc880c9238531dea13ab5b
+Reviewed-by: Ivan Komissarov <ABBAPOH@gmail.com>
+Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
+---
+ src/corelib/global/qendian.h | 12 ++++++------
+ 1 file changed, 6 insertions(+), 6 deletions(-)
+
+diff --git a/src/corelib/global/qendian.h b/src/corelib/global/qendian.h
+index 0e67a1ab8e..f2e5833468 100644
+--- a/src/corelib/global/qendian.h
++++ b/src/corelib/global/qendian.h
+@@ -162,17 +162,17 @@ Float qbswapFloatHelper(Float source)
+     return qFromUnaligned<Float>(&temp);
+ }
+ 
+-template <> inline qfloat16 qbswap<qfloat16>(qfloat16 source)
++inline qfloat16 qbswap(qfloat16 source)
+ {
+     return qbswapFloatHelper(source);
+ }
+ 
+-template <> inline float qbswap<float>(float source)
++inline float qbswap(float source)
+ {
+     return qbswapFloatHelper(source);
+ }
+ 
+-template <> inline double qbswap<double>(double source)
++inline double qbswap(double source)
+ {
+     return qbswapFloatHelper(source);
+ }
+@@ -185,7 +185,7 @@ template <> inline double qbswap<double>(double source)
+ */
+ template <typename T> inline void qbswap(const T src, void *dest)
+ {
+-    qToUnaligned<T>(qbswap<T>(src), dest);
++    qToUnaligned<T>(qbswap(src), dest);
+ }
+ 
+ template <int Size> void *qbswap(const void *source, qsizetype count, void *dest) noexcept;
+@@ -223,9 +223,9 @@ template <typename T> inline void qFromLittleEndian(const void *source, qsizetyp
+ #else // Q_LITTLE_ENDIAN
+ 
+ template <typename T> inline Q_DECL_CONSTEXPR T qToBigEndian(T source)
+-{ return qbswap<T>(source); }
++{ return qbswap(source); }
+ template <typename T> inline Q_DECL_CONSTEXPR T qFromBigEndian(T source)
+-{ return qbswap<T>(source); }
++{ return qbswap(source); }
+ template <typename T> inline Q_DECL_CONSTEXPR T qToLittleEndian(T source)
+ { return source; }
+ template <typename T> inline Q_DECL_CONSTEXPR T qFromLittleEndian(T source)