+ riscv)
+ # --target=riscv[32|64]-*-*. */
+ if test $this_target = $target ; then
+
+cat >>confdefs.h <<_ACEOF
+#define DEFAULT_ARCH "${arch}"
+_ACEOF
+
+ fi
+
+ # --with-arch=<value>. The syntax of <value> is same as Gas option -march.
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for default configuration of --with-arch" >&5
+$as_echo_n "checking for default configuration of --with-arch... " >&6; }
+ if test "x${with_arch}" != x; then
+
+cat >>confdefs.h <<_ACEOF
+#define DEFAULT_RISCV_ARCH_WITH_EXT "$with_arch"
+_ACEOF
+
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_arch" >&5
+$as_echo "$with_arch" >&6; }
+
+ # --with-isa-spec=[2.2|20190608|20191213].
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for default configuration of --with-isa-spec" >&5
+$as_echo_n "checking for default configuration of --with-isa-spec... " >&6; }
+ if test "x${with_isa_spec}" != x; then
+
+cat >>confdefs.h <<_ACEOF
+#define DEFAULT_RISCV_ISA_SPEC "$with_isa_spec"
+_ACEOF
+
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_isa_spec" >&5
+$as_echo "$with_isa_spec" >&6; }
+
+ # --with-priv-spec=[1.9|1.9.1|1.10|1.11].
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for default configuration of --with-priv-spec" >&5
+$as_echo_n "checking for default configuration of --with-priv-spec... " >&6; }
+ if test "x${with_priv_spec}" != x; then
+
+cat >>confdefs.h <<_ACEOF
+#define DEFAULT_RISCV_PRIV_SPEC "$with_priv_spec"
+_ACEOF
+
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_priv_spec" >&5
+$as_echo "$with_priv_spec" >&6; }
+ ;;
+