From 345755cb49ee1979df280399f03178aae0b4029a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alex=20R=C3=B8nne=20Petersen?= <alex@alexrp.com>
Date: Tue, 6 Mar 2018 13:40:16 +0100
Subject: Add build support for RISC-V. (#6)

---
 CMakeLists.txt         | 4 ++++
 include/openssl/base.h | 6 ++++++
 2 files changed, 10 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c81269a4..9bf6d1b4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -168,6 +168,10 @@ elseif (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "s390x")
   set(ARCH "s390x")
 elseif (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "powerpc")
   set(ARCH "powerpc")
+elseif (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "riscv32")
+  set(ARCH "riscv32")
+elseif (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "riscv64")
+  set(ARCH "riscv64")
 else()
   message(FATAL_ERROR "Unknown processor:" ${CMAKE_SYSTEM_PROCESSOR})
 endif()
diff --git a/include/openssl/base.h b/include/openssl/base.h
index 96eb6936..92de1f63 100644
--- a/include/openssl/base.h
+++ b/include/openssl/base.h
@@ -97,6 +97,12 @@ extern "C" {
 #elif defined(__s390x__)
 #define OPENSSL_64_BIT
 #define OPENSSL_S390X
+#elif defined(__riscv) && __riscv_xlen == 32
+#define OPENSSL_32_BIT
+#define OPENSSL_RISCV32
+#elif defined(__riscv) && __riscv_xlen == 64
+#define OPENSSL_64_BIT
+#define OPENSSL_RISCV64
 #else
 #error "Unknown target CPU"
 #endif
-- 
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