[committed] RISC-V: Detect python and pick best one for calling multilib-generator

[Kito Cheng]

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 93e2b3219b9..3df9b52cf25 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
-- 
2.31.1