47 lines
1.7 KiB
Diff
47 lines
1.7 KiB
Diff
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From 035dc537bee26e3b63a211b2835d8560439e161f Mon Sep 17 00:00:00 2001
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From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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Date: Fri, 27 Aug 2021 16:28:32 +0200
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Subject: Fix build on riscv32
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riscv32 fails to build because __NR_futex is not defined on this
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architecture:
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In file included from thread/qmutex_linux.cpp:45,
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from thread/qmutex.cpp:804:
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thread/qfutex_p.h: In function 'int QtLinuxFutex::_q_futex(int*, int, int, quintptr, int*, int)':
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thread/qfutex_p.h:116:30: error: '__NR_futex' was not declared in this scope; did you mean '_q_futex'?
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116 | int result = syscall(__NR_futex, addr, op | FUTEX_PRIVATE_FLAG, val, val2, addr2, val3);
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| ^~~~~~~~~~
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| _q_futex
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Pick-to: 6.1 6.2
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Fixes: QTBUG-96067
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Change-Id: Ib6a9bcc496f37e69ac39362cb0a021fccaf311f5
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Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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[Retrieved from:
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https://code.qt.io/cgit/qt/qtbase.git/commit/?id=035dc537bee26e3b63a211b2835d8560439e161f]
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Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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---
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src/corelib/thread/qfutex_p.h | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/src/corelib/thread/qfutex_p.h b/src/corelib/thread/qfutex_p.h
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index 40482b6fc1..037207a5c0 100644
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--- a/src/corelib/thread/qfutex_p.h
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+++ b/src/corelib/thread/qfutex_p.h
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@@ -103,6 +103,11 @@ QT_END_NAMESPACE
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// if not defined in linux/futex.h
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# define FUTEX_PRIVATE_FLAG 128 // added in v2.6.22
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+// RISC-V does not supply __NR_futex
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+# ifndef __NR_futex
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+# define __NR_futex __NR_futex_time64
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+# endif
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+
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QT_BEGIN_NAMESPACE
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namespace QtLinuxFutex {
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constexpr inline bool futexAvailable() { return true; }
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--
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cgit v1.2.1
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