https://bugs.gentoo.org/917493
https://sources.debian.org/src/webrtc-audio-processing/1.0-0.2/debian/patches/Add-generic-byte-order-and-pointer-size-detection.patch/

Description: Add generic byte order and pointer size detection
Author: Than <than@redhat.com>
Origin: https://bugs.freedesktop.org/show_bug.cgi?id=95738#c4
Last-Update: 2022-02-01
---
This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
--- a/webrtc/rtc_base/system/arch.h
+++ b/webrtc/rtc_base/system/arch.h
@@ -58,7 +58,19 @@
 #define WEBRTC_ARCH_32_BITS
 #define WEBRTC_ARCH_LITTLE_ENDIAN
 #else
-#error Please add support for your architecture in rtc_base/system/arch.h
+/* instead of failing, use typical unix defines... */
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+#define WEBRTC_ARCH_LITTLE_ENDIAN
+#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+#define WEBRTC_ARCH_BIG_ENDIAN
+#else
+#error __BYTE_ORDER__ is not defined
+#endif
+#if defined(__LP64__)
+#define WEBRTC_ARCH_64_BITS
+#else
+#define WEBRTC_ARCH_32_BITS
+#endif
 #endif
 
 #if !(defined(WEBRTC_ARCH_LITTLE_ENDIAN) ^ defined(WEBRTC_ARCH_BIG_ENDIAN))