Ensure memory accesses in the sha3 module are aligned on ARM as it causes
problems when running 32-bit code on a 64-bit kernel.

Patch taken from upstream bug report:
https://bugs.python.org/issue36515

--- a/Modules/_sha3/sha3module.c
+++ b/Modules/_sha3/sha3module.c
@@ -64,6 +64,12 @@
 #define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
 #endif
 
+/* Bus error on 32-bit ARM due to un-aligned memory accesses; 64-bit ARM
+ * doesn't complain but un-aligned memory accesses are sub-optimal */
+#if defined(__arm__) || defined(__aarch64__)
+#define NO_MISALIGNED_ACCESSES
+#endif
+
 /* mangle names */
 #define KeccakF1600_FastLoop_Absorb _PySHA3_KeccakF1600_FastLoop_Absorb
 #define Keccak_HashFinal _PySHA3_Keccak_HashFinal
ion value='koszko' selected='selected'>koszko</option>
<option value='koszko-scripts'>koszko-scripts</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>Wojtek's customized Guix</td><td class='sub right'></td></tr></table>
<table class='tabs'><tr><td>
<a href='/guix/about/'>about</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=3c674b57342ebd866ac1a6f04ae1dacc1a975d0b'>refs</a><a class='active' href='/guix/log/tests/union.scm'>log</a><a href='/guix/tree/tests/union.scm?id=3c674b57342ebd866ac1a6f04ae1dacc1a975d0b'>tree</a><a href='/guix/commit/tests/union.scm?id=3c674b57342ebd866ac1a6f04ae1dacc1a975d0b'>commit</a><a href='/guix/diff/tests/union.scm?id=3c674b57342ebd866ac1a6f04ae1dacc1a975d0b'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/tests/union.scm'>
<input type='hidden' name='id' value='3c674b57342ebd866ac1a6f04ae1dacc1a975d0b'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=3c674b57342ebd866ac1a6f04ae1dacc1a975d0b'>root</a>/<a href='/guix/log/tests?id=3c674b57342ebd866ac1a6f04ae1dacc1a975d0b'>tests</a>/<a href='/guix/log/tests/union.scm?id=3c674b57342ebd866ac1a6f04ae1dacc1a975d0b'>union.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/tests/union.scm?id=3c674b57342ebd866ac1a6f04ae1dacc1a975d0b&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>