From: Michael Froman <mfroman@mozilla.com>
Date: Mon, 20 Jun 2022 22:34:00 +0000
Subject: Bug 1775143 - pt11 - (mirror) 10bf2e8788d8 r=ng

(skip-generation)

Depends on D149824

Differential Revision: https://phabricator.services.mozilla.com/D149825
Mercurial Revision: https://hg.mozilla.org/mozilla-central/rev/953d7939aa46a1931c2f53477527e2e7ea2c8960
---
 build_config.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/build_config.h b/build_config.h
index daf51ff9a..584b22a12 100644
--- a/build_config.h
+++ b/build_config.h
@@ -197,6 +197,10 @@
 #define ARCH_CPU_32_BITS 1
 #define ARCH_CPU_BIG_ENDIAN 1
 #endif
+#elif defined(__riscv) && __riscv_xlen == 64
+#define ARCH_CPU_RISCV64 1
+#define ARCH_CPU_64_BITS 1
+#define ARCH_CPU_LITTLE_ENDIAN 1
 #else
 #error Please add support for your architecture in build/build_config.h
 #endif