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-rw-r--r--src/corelib/global/qcompilerdetection.h12
1 files changed, 2 insertions, 10 deletions
diff --git a/src/corelib/global/qcompilerdetection.h b/src/corelib/global/qcompilerdetection.h
index b173dcf522..ad3d2be69b 100644
--- a/src/corelib/global/qcompilerdetection.h
+++ b/src/corelib/global/qcompilerdetection.h
@@ -91,7 +91,6 @@
# define Q_OUTOFLINE_TEMPLATE inline
# define Q_COMPILER_MANGLES_RETURN_TYPE
# define Q_FUNC_INFO __FUNCSIG__
-# define Q_DECL_ALIGN(n) __declspec(align(n))
# define Q_ASSUME_IMPL(expr) __assume(expr)
# define Q_UNREACHABLE_IMPL() __assume(0)
# define Q_NORETURN __declspec(noreturn)
@@ -223,7 +222,6 @@
# define Q_FUNC_INFO __PRETTY_FUNCTION__
# define Q_TYPEOF(expr) __typeof__(expr)
# define Q_DECL_DEPRECATED __attribute__ ((__deprecated__))
-# define Q_DECL_ALIGN(n) __attribute__((__aligned__(n)))
# define Q_DECL_UNUSED __attribute__((__unused__))
# define Q_LIKELY(expr) __builtin_expect(!!(expr), true)
# define Q_UNLIKELY(expr) __builtin_expect(!!(expr), false)
@@ -271,7 +269,6 @@
# error "Compiler not supported"
# elif __xlC__ >= 0x0600
# define Q_TYPEOF(expr) __typeof__(expr)
-# define Q_DECL_ALIGN(n) __attribute__((__aligned__(n)))
# define Q_PACKED __attribute__((__packed__))
# endif
@@ -447,7 +444,6 @@
/* see http://developers.sun.com/sunstudio/support/Ccompare.html */
# if __SUNPRO_CC >= 0x590
# define Q_TYPEOF(expr) __typeof__(expr)
-# define Q_DECL_ALIGN(n) __attribute__((__aligned__(n)))
# endif
# if __SUNPRO_CC >= 0x550
# define Q_DECL_EXPORT __global
@@ -484,9 +480,6 @@
# define Q_DECL_EXPORT __declspec(dllexport)
# define Q_DECL_IMPORT __declspec(dllimport)
# endif
-# if __HP_aCC-0 >= 061200
-# define Q_DECL_ALIGN(n) __attribute__((aligned(n)))
-# endif
# if __HP_aCC-0 >= 062000
# define Q_DECL_EXPORT __attribute__((visibility("default")))
# define Q_DECL_HIDDEN __attribute__((visibility("hidden")))
@@ -1127,9 +1120,8 @@
# define Q_ALIGNOF(x) alignof(x)
#endif
-#if defined(Q_COMPILER_ALIGNAS)
-# undef Q_DECL_ALIGN
-# define Q_DECL_ALIGN(n) alignas(n)
+#ifndef Q_DECL_ALIGN
+# define Q_DECL_ALIGN(n) alignas(n)
#endif
#if QT_HAS_CPP_ATTRIBUTE(nodiscard) && !defined(Q_CC_CLANG) // P0188R1