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

gcc/

	* config.gcc (riscv*-*-*): Detect which python is available.

diff --git a/gcc/config.gcc b/gcc/config.gcc
index 93e2b32..3df9b52 100644 (file)
--- 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