From 23114036916bb88aa5b4c59f597d7cc202a9950d Mon Sep 17 00:00:00 2001
From: Alfred Persson Forsberg <cat@catcream.org>
Date: Thu, 20 Feb 2025 16:22:33 +0100
Subject: [PATCH] sw/Makefile: allow setting CC

Useful for CC="clang --target=..." so you don't need a full GCC
toolchain.

Signed-off-by: Alfred Persson Forsberg <cat@catcream.org>
---
 sw/Makefile | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/sw/Makefile b/sw/Makefile
index f82ddc6..71d5e12 100644
--- a/sw/Makefile
+++ b/sw/Makefile
@@ -1,9 +1,11 @@
 TOOLCHAIN_PREFIX?=riscv64-unknown-elf-
+CC?=$(TOOLCHAIN_PREFIX)gcc
+OBJCOPY=$(TOOLCHAIN_PREFIX)objcopy
 
 %.elf: %.S link.ld
-	$(TOOLCHAIN_PREFIX)gcc -nostartfiles -nostdlib -march=rv32i_zicsr -mabi=ilp32 -Tlink.ld -o$@ $<
+	$(CC) -nostartfiles -nostdlib -march=rv32i_zicsr -mabi=ilp32 -Tlink.ld -o$@ $<
 %.bin: %.elf
-	$(TOOLCHAIN_PREFIX)objcopy -O binary $< $@
+	$(OBJCOPY) -O binary $< $@
 %.hex: %.bin
 	python3 makehex.py $< > $@