[3.10] GH-98671: bpo-46670: Fix #ifdef in sha3module.c (GH-90828) (#98677)

diff --git a/Misc/NEWS.d/next/Build/2022-10-25-14-43-00.gh-issue-98671.a42a6d.rst b/Misc/NEWS.d/next/Build/2022-10-25-14-43-00.gh-issue-98671.a42a6d.rst
new file mode 100644 (file)
index 0000000..54b78ed
--- /dev/null
+++ b/Misc/NEWS.d/next/Build/2022-10-25-14-43-00.gh-issue-98671.a42a6d.rst
@@ -0,0 +1,3 @@
+Fix ``NO_MISALIGNED_ACCESSES`` being not defined for the SHA3 extension 
+when ``HAVE_ALIGNED_REQUIRED`` is set. Allowing builds on hardware that 
+unaligned memory accesses are not allowed.

diff --git a/Modules/_sha3/sha3module.c b/Modules/_sha3/sha3module.c
index 3974e0b6b47faac9946cbad3206910ae138e6954..a2f9d8c75467ae3ad403f53d138e20e9f0f5ebd2 100644 (file)
--- a/Modules/_sha3/sha3module.c
+++ b/Modules/_sha3/sha3module.c
@@ -65,7 +65,7 @@
 #endif
 
 /* Prevent bus errors on platforms requiring aligned accesses such ARM. */
-#if HAVE_ALIGNED_REQUIRED && !defined(NO_MISALIGNED_ACCESSES)
+#if defined(HAVE_ALIGNED_REQUIRED) && !defined(NO_MISALIGNED_ACCESSES)
 #define NO_MISALIGNED_ACCESSES
 #endif