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https://gitlab.haskell.org/ghc/packages/containers/-/commit/f5a511f1ff2cf16e710342948792cb8d7576e27c
https://bugs.gentoo.org/865311
From f5a511f1ff2cf16e710342948792cb8d7576e27c Mon Sep 17 00:00:00 2001
From: Peter Trommler <ptrommler@acm.org>
Date: Fri, 31 Dec 2021 18:20:45 +0100
Subject: [PATCH] Disable unboxed arrays on big-endian
Unboxed arrays are broken on big-endian architectures, see
https://gitlab.haskell.org/ghc/ghc/-/issues/16998 for details.
This patch makes the use of unboxed arrays conditional on
little-endian architecture.
Fixes #673
---
libraries/containers/containers/include/containers.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/libraries/containers/containers/include/containers.h b/libraries/containers/containers/include/containers.h
index cd201ca3..fc2a0e84 100644
--- a/libraries/containers/containers/include/containers.h 2022-08-16 07:50:42.844217960 +0200
+++ b/libraries/containers/containers/include/containers.h 2022-08-16 07:50:49.327446486 +0200
@@ -35,7 +35,13 @@
#ifdef __GLASGOW_HASKELL__
# define USE_ST_MONAD 1
+#ifndef WORDS_BIGENDIAN
+/*
+ * Unboxed arrays are broken on big-endian architectures.
+ * See https://gitlab.haskell.org/ghc/ghc/-/issues/16998
+ */
# define USE_UNBOXED_ARRAYS 1
#endif
+#endif
#endif
--
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