kumquat-buildroot/package/qt5/qt5base/0009-Fix-build-on-riscv32.patch
Fabrice Fontaine 050be3ad35 package/qt5/qt5base: fix build on riscv32
Fix the following build failure on riscv32:

In file included from thread/qmutex_linux.cpp:45,
                 from thread/qmutex.cpp:804:
thread/qfutex_p.h: In function 'int QtLinuxFutex::_q_futex(int*, int, int, quintptr, int*, int)':
thread/qfutex_p.h:116:30: error: '__NR_futex' was not declared in this scope; did you mean '_q_futex'?
  116 |         int result = syscall(__NR_futex, addr, op | FUTEX_PRIVATE_FLAG, val, val2, addr2, val3);
      |                              ^~~~~~~~~~
      |                              _q_futex

Fixes:
 - http://autobuild.buildroot.org/results/ffedfc000029072d5d724e98ab4551fe973658ce

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
2021-09-03 20:57:58 +02:00

46 lines
1.6 KiB
Diff

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