Use byteswap.h when building against musl libc (#8503)
diff --git a/src/google/protobuf/stubs/port.h b/src/google/protobuf/stubs/port.h
index 0f3b5aa..6badd3f 100644
--- a/src/google/protobuf/stubs/port.h
+++ b/src/google/protobuf/stubs/port.h
@@ -78,7 +78,7 @@
#include <intrin.h>
#elif defined(__APPLE__)
#include <libkern/OSByteOrder.h>
-#elif defined(__GLIBC__) || defined(__BIONIC__) || defined(__CYGWIN__)
+#elif defined(__linux__) || defined(__ANDROID__) || defined(__CYGWIN__)
#include <byteswap.h> // IWYU pragma: export
#endif
@@ -242,7 +242,7 @@
#define bswap_32(x) OSSwapInt32(x)
#define bswap_64(x) OSSwapInt64(x)
-#elif !defined(__GLIBC__) && !defined(__BIONIC__) && !defined(__CYGWIN__)
+#elif !defined(__linux__) && !defined(__ANDROID__) && !defined(__CYGWIN__)
#ifndef bswap_16
static inline uint16 bswap_16(uint16 x) {
