From bc23fcd79739683100a4fb8f10a28d2d57d49992 Mon Sep 17 00:00:00 2001
From: "moiz.hussain" <moiz.hussain@10xengineers.ai>
Date: Fri, 11 Aug 2023 14:44:49 +0500
Subject: [PATCH] added support for RISCV CFLAGS & native compile + cross
 compile options

---
 Makefile | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/Makefile b/Makefile
index b750540fe..8b8de67e2 100644
--- a/Makefile
+++ b/Makefile
@@ -35,6 +35,11 @@ ifndef UNAME_M
 UNAME_M := $(shell uname -m)
 endif
 
+ifdef RISCV_CROSS_COMPILE
+CC	:= riscv64-unknown-linux-gnu-gcc
+CXX	:= riscv64-unknown-linux-gnu-g++
+endif
+
 CCV := $(shell $(CC) --version | head -n 1)
 CXXV := $(shell $(CXX) --version | head -n 1)
 
@@ -145,6 +150,9 @@ endif
 # Architecture specific
 # TODO: probably these flags need to be tweaked on some architectures
 #       feel free to update the Makefile for your architecture and send a pull request or issue
+
+ifndef RISCV
+
 ifeq ($(UNAME_M),$(filter $(UNAME_M),x86_64 i686 amd64))
 	# Use all CPU extensions that are available:
 	CFLAGS   += -march=native -mtune=native
@@ -193,6 +201,11 @@ ifneq ($(filter ppc64%,$(UNAME_M)),)
 	endif
 endif
 
+else
+	CFLAGS += -march=rv64gcv -mabi=lp64d
+	CXXFLAGS +=  -march=rv64gcv -mabi=lp64d
+endif
+
 ifndef LLAMA_NO_K_QUANTS
 	CFLAGS   += -DGGML_USE_K_QUANTS
 	CXXFLAGS += -DGGML_USE_K_QUANTS