ports/lang/php81/files/patch-ext_hash_xxhash_xxhash.h
Piotr Kubaj 3110b518c7 lang/php81: fix build on powerpc64le
In file included from /wrkdirs/usr/ports/lang/php81/work/php-8.1.1/ext/hash/hash_xxhash.c:18:
In file included from ext/hash/php_hash_xxhash.h:21:
In file included from /wrkdirs/usr/ports/lang/php81/work/php-8.1.1/ext/hash/xxhash/xxhash.h:2412:
/usr/lib/clang/11.0.1/include/altivec.h:55:19: error: unknown type name 'vector'
static __inline__ vector bool char __ATTRS_o_ai
                  ^
/usr/lib/clang/11.0.1/include/altivec.h:56:10: error: unknown type name 'vector'
vec_perm(vector bool char __a, vector bool char __b, vector unsigned char __c);
         ^
/usr/lib/clang/11.0.1/include/altivec.h:56:32: error: unknown type name 'vector'
vec_perm(vector bool char __a, vector bool char __b, vector unsigned char __c);
                               ^
/usr/lib/clang/11.0.1/include/altivec.h:66:19: error: unknown type name 'vector'
static __inline__ vector bool short __ATTRS_o_ai vec_perm(

Patch from https://github.com/Cyan4973/xxHash/pull/672
2022-01-04 18:42:59 +00:00

46 lines
1.7 KiB
C

--- 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;