From e695f0101a8cacbc29353c5a000731e50b2627e6 Mon Sep 17 00:00:00 2001
From: Kito Cheng <kito.cheng@sifive.com>
Date: Tue, 20 Jul 2021 11:02:27 +0800
Subject: [PATCH] RISC-V: Detect python and pick best one for calling
 multilib-generator

gcc/

	* config.gcc (riscv*-*-*): Detect which python is available.
---
 gcc/config.gcc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gcc/config.gcc b/gcc/config.gcc
index 93e2b32..3df9b52 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -4730,9 +4730,10 @@ case "${target}" in
 				echo "--with-multilib-list= can't used with --with-multilib-generator= at same time" 1>&2
 				exit 1
 			fi
+			PYTHON=`which python || which python3 || which python2`
 			case "${target}" in
 			riscv*-*-elf*)
-				if ${srcdir}/config/riscv/multilib-generator \
+				if ${PYTHON} ${srcdir}/config/riscv/multilib-generator \
 					`echo ${with_multilib_generator} | sed 's/;/ /g'`\
 					> t-multilib-config;
 				then
-- 
2.7.4