diff --git a/lang/php81/files/patch-ext_hash_xxhash_xxhash.h b/lang/php81/files/patch-ext_hash_xxhash_xxhash.h
new file mode 100644
index 000000000000..27abdbc2af76
--- /dev/null
+++ b/lang/php81/files/patch-ext_hash_xxhash_xxhash.h
@@ -0,0 +1,46 @@
+--- ext/hash/xxhash/xxhash.h.orig	2022-01-04 18:37:17 UTC
++++ ext/hash/xxhash/xxhash.h
+@@ -2395,22 +2395,32 @@ XXH_PUBLIC_API XXH64_hash_t XXH64_hashFromCanonical(co
+  * inconsistent intrinsics, spotty coverage, and multiple endiannesses.
+  */
+ #if XXH_VECTOR == XXH_VSX
++/* Annoyingly, these headers _may_ define three macros: `bool`, `vector`,
++ * and `pixel`. This is a problem for obvious reasons.
++ *
++ * These keywords are unnecessary; the spec literally says they are
++ * equivalent to `__bool`, `__vector`, and `__pixel` and may be undef'd
++ * after including the header.
++ *
++ * We use pragma push_macro/pop_macro to keep the namespace clean. */
++#  pragma push_macro("bool")
++#  pragma push_macro("vector")
++#  pragma push_macro("pixel")
++/* silence potential macro redefined warnings */
++#  undef bool
++#  undef vector
++#  undef pixel
++
+ #  if defined(__s390x__)
+ #    include <s390intrin.h>
+ #  else
+-/* gcc's altivec.h can have the unwanted consequence to unconditionally
+- * #define bool, vector, and pixel keywords,
+- * with bad consequences for programs already using these keywords for other purposes.
+- * The paragraph defining these macros is skipped when __APPLE_ALTIVEC__ is defined.
+- * __APPLE_ALTIVEC__ is _generally_ defined automatically by the compiler,
+- * but it seems that, in some cases, it isn't.
+- * Force the build macro to be defined, so that keywords are not altered.
+- */
+-#    if defined(__GNUC__) && !defined(__APPLE_ALTIVEC__)
+-#      define __APPLE_ALTIVEC__
+-#    endif
+ #    include <altivec.h>
+ #  endif
++
++/* Restore the original macro values, if applicable. */
++#  pragma pop_macro("pixel")
++#  pragma pop_macro("vector")
++#  pragma pop_macro("bool")
+ 
+ typedef __vector unsigned long long xxh_u64x2;
+ typedef __vector unsigned char xxh_u8x16;