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fanquake 31c9987976
Merge #20447: depends: Patch qt_intersect_spans to avoid non-deterministic behavior in LLVM 8 
8f7d1b39ef Fix QPainter non-determinism on macOS (Andrew Chow)

Pull request description:

  Aplies a patch to Qt that fixes the non-determinism by modifying Qt. The source of the non-determinism is how LLVM 8 optimizes qt_intersect_spans when compiling. The particular optimization that seems to be causing the problems is that a temp variable is being added for spans->y. For some reason, when it does this, it chooses different instructions to use when making that variable. We bypass this problem by patching qt_intersect_spans to always make and use this local variable.

  Potential alternative to #20436 and #20440

ACKs for top commit:
  hebasto:
    re-ACK 8f7d1b39ef ~for merging into the 0.21 branch, but [not into the master](https://github.com/bitcoin/bitcoin/pull/20454) branch.~
  fanquake:
    ACK 8f7d1b39ef

Tree-SHA512: b0d00a77643554021736524fb64611462ef2ec849a220543c12d99edb0f52f2e8128d2cc61fa82176b7e13b294574774a92d6b649badf8b7630c6d6a7e70ce10
2020-11-24 21:12:02 +08:00
..
bdb.mk build: fix mutex detection when building bdb on macOS 2020-10-27 21:30:12 +08:00
boost.mk depends: boost: Specify cflags+compileflags 2020-11-23 15:50:59 -05:00
capnp.mk depends: add MULTIPROCESS depends option 2020-05-12 09:47:06 -04:00
expat.mk build: pass --enable-option-checking to applicable packages 2019-10-11 13:31:50 -04:00
fontconfig.mk build: use patch rather than sed in fontconfig package 2020-08-25 14:37:35 +08:00
freetype.mk build: pass --enable-option-checking to applicable packages 2019-10-11 13:31:50 -04:00
libevent.mk build: pass _WIN32_WINNT=0x0601 when building libevent for Windows 2020-06-30 13:25:09 +08:00
libmultiprocess.mk depends: add MULTIPROCESS depends option 2020-05-12 09:47:06 -04:00
libXau.mk build: pass --enable-option-checking to applicable packages 2019-10-11 13:31:50 -04:00
libxcb.mk build: pass --enable-option-checking to applicable packages 2019-10-11 13:31:50 -04:00
miniupnpc.mk build: replace wingenminiupnpcstrings sed with a patch in miniupnpc package 2020-08-26 11:27:31 +08:00
native_b2.mk depends: boost: Split into non-/native packages 2020-11-23 15:50:54 -05:00
native_capnp.mk depends: add MULTIPROCESS depends option 2020-05-12 09:47:06 -04:00
native_cctools.mk build: use patch rather than sed in native_cctools package 2020-08-25 14:37:44 +08:00
native_cdrkit.mk depends: Use $($(package)_cmake) instead of cmake 2020-08-07 20:52:22 -04:00
native_ds_store.mk depends: native_ds_store 1.3.0 2020-11-11 08:01:02 +08:00
native_libdmg-hfsplus.mk depends: Use $($(package)_cmake) instead of cmake 2020-08-07 20:52:22 -04:00
native_libmultiprocess.mk depends: add MULTIPROCESS depends option 2020-05-12 09:47:06 -04:00
native_mac_alias.mk build: depends: Switch to python3 2019-03-14 15:47:00 -04:00
packages.mk depends: boost: Split into non-/native packages 2020-11-23 15:50:54 -05:00
qrencode.mk Merge #16110: depends: Add Android NDK support 2019-11-04 13:32:19 +01:00
qt.mk Fix QPainter non-determinism on macOS 2020-11-23 12:08:18 -05:00
sqlite.mk Add sqlite to travis and depends 2020-10-14 11:18:13 -04:00
xcb_proto.mk depends: don't configure xcb_proto 2019-12-08 17:55:11 -05:00
xproto.mk build: pass --enable-option-checking to applicable packages 2019-10-11 13:31:50 -04:00
zeromq.mk build: use patch rather than sed in zeromq package 2020-08-25 14:37:44 +08:00
zlib.mk Android: add all arch support 2019-10-18 22:24:21 +02:00