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
haskell · Dec 31, 2021 · f5a511f · f5a511f
1 parent c3a4e78
commit f5a511f
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/containers/include/containers.h b/containers/include/containers.h
@@ -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