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author | Erich Eckner <git@eckner.net> | 2019-12-12 14:00:20 +0100 |
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committer | Erich Eckner <git@eckner.net> | 2019-12-12 14:00:20 +0100 |
commit | aea50ea70924ce64a580e4df9d4860a917bfd54e (patch) | |
tree | 0dd928c0bb230a71984dc7f27306fb5ba06c8842 /qt4/qt4-gcc9.patch | |
parent | b8d841f4773f344f3e89b6c9d692ad8af0d3818e (diff) | |
download | archlinuxewe-aea50ea70924ce64a580e4df9d4860a917bfd54e.tar.xz |
qt4 neu
Diffstat (limited to 'qt4/qt4-gcc9.patch')
-rw-r--r-- | qt4/qt4-gcc9.patch | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/qt4/qt4-gcc9.patch b/qt4/qt4-gcc9.patch new file mode 100644 index 000000000..28bbcd2d3 --- /dev/null +++ b/qt4/qt4-gcc9.patch @@ -0,0 +1,46 @@ +--- src/corelib/global/qglobal.h 2015-05-07 17:14:48.000000000 +0300 ++++ src/corelib/global/qglobal.h 2019-05-28 20:04:15.689744432 +0300 +@@ -2480,26 +2480,35 @@ + typedef uint Flags; + #define Q_DECLARE_OPERATORS_FOR_FLAGS(Flags) + + #endif /* Q_NO_TYPESAFE_FLAGS */ + +-#if defined(Q_CC_GNU) && !defined(Q_CC_INTEL) && !defined(Q_CC_RVCT) ++#if defined(Q_CC_GNU) && !defined(Q_CC_RVCT) + /* make use of typeof-extension */ + template <typename T> + class QForeachContainer { + public: +- inline QForeachContainer(const T& t) : c(t), brk(0), i(c.begin()), e(c.end()) { } ++ inline QForeachContainer(const T& t) : c(t), i(c.begin()), e(c.end()), control(1) { } + const T c; +- int brk; + typename T::const_iterator i, e; ++ int control; + }; + +-#define Q_FOREACH(variable, container) \ +-for (QForeachContainer<__typeof__(container)> _container_(container); \ +- !_container_.brk && _container_.i != _container_.e; \ +- __extension__ ({ ++_container_.brk; ++_container_.i; })) \ +- for (variable = *_container_.i;; __extension__ ({--_container_.brk; break;})) ++// Explanation of the control word: ++// - it's initialized to 1 ++// - that means both the inner and outer loops start ++// - if there were no breaks, at the end of the inner loop, it's set to 0, which ++// causes it to exit (the inner loop is run exactly once) ++// - at the end of the outer loop, it's inverted, so it becomes 1 again, allowing ++// the outer loop to continue executing ++// - if there was a break inside the inner loop, it will exit with control still ++// set to 1; in that case, the outer loop will invert it to 0 and will exit too ++#define Q_FOREACH(variable, container) \ ++for (QForeachContainer<__typeof__(container)> _container_(container); \ ++ _container_.control && _container_.i != _container_.e; \ ++ ++_container_.i, _container_.control ^= 1) \ ++for (variable = *_container_.i; _container_.control; _container_.control = 0) + + #else + + struct QForeachContainerBase {}; + |