Radix cross Linux Toolchains

Index: 14.2.0/Makefile
===================================================================
--- 14.2.0/Makefile	(revision 57)
+++ 14.2.0/Makefile	(revision 58)
@@ -428,6 +428,7 @@
 extra_configure_switches += --enable-multilib
 extra_configure_switches += --with-abi=lp64d
 extra_configure_switches += --with-arch=rv64imafdc
+extra_configure_switches += --with-isa-spec=2.2
 extra_configure_switches += --with-dwarf2
 extra_configure_switches += --disable-isl-version-check
 extra_configure_switches += --disable-libstdcxx-pch
@@ -2191,6 +2192,7 @@
 extra_configure_switches += --disable-multilib
 extra_configure_switches += --with-abi=lp64d
 extra_configure_switches += --with-arch=rv64imafdc
+extra_configure_switches += --with-isa-spec=2.2
 extra_configure_switches += --enable-tls
 extra_configure_switches += --disable-tm-clone-registry
 extra_configure_switches += --disable-isl-version-check
@@ -2431,6 +2433,13 @@
 $(src_done): $(SRC_ARCHIVE) $(PATCHES_DEP)
 	$(UNPACK_SRC_ARCHIVE)
 	$(APPLY_PATCHES)
+ifeq ($(TOOLCHAIN),$(TOOLCHAIN_RISCV64_NEWLIB))
+	@( cp $(CURDIR)/generate-riscv-multilib-file $(SRC_DIR)/gcc/config/riscv/ ; \
+	   cd $(SRC_DIR)/gcc/config/riscv/ ; \
+	   chmod a+x generate-riscv-multilib-file ; \
+	   ./generate-riscv-multilib-file ; \
+	 )
+endif
 	@touch $@
 
 $(gmp_src_done): $(src_done)
Index: 14.2.0/generate-riscv-multilib-file
===================================================================
--- 14.2.0/generate-riscv-multilib-file	(nonexistent)
+++ 14.2.0/generate-riscv-multilib-file	(revision 58)
@@ -0,0 +1,69 @@
+#!/bin/bash
+
+#
+# https://github.com/xpack-dev-tools/riscv-none-elf-gcc-xpack/releases/tag/v14.2.0-2
+#
+GCC_MULTILIB_LIST=${GCC_MULTILIB_LIST:-"\
+          rv32e-ilp32e--c \
+          rv32ea-ilp32e--m \
+          rv32em-ilp32e--c \
+          rv32eac-ilp32e-- \
+          rv32emac-ilp32e-- \
+          \
+          rv32i-ilp32--c \
+          rv32ia-ilp32--m \
+          rv32im-ilp32--c \
+          rv32if-ilp32f-rv32ifd-c \
+          rv32iaf-ilp32f-rv32imaf,rv32iafc-d \
+          rv32imf-ilp32f-rv32imfd-c \
+          rv32iac-ilp32-- \
+          rv32imac-ilp32-- \
+          rv32imafc-ilp32f-rv32imafdc- \
+          rv32ifd-ilp32d--c \
+          rv32imfd-ilp32d--c \
+          rv32iafd-ilp32d-rv32imafd,rv32iafdc- \
+          rv32imafdc-ilp32d-- \
+          \
+          rv64i-lp64--c \
+          rv64ia-lp64--m \
+          rv64im-lp64--c \
+          rv64if-lp64f-rv64ifd-c \
+          rv64iaf-lp64f-rv64imaf,rv64iafc-d \
+          rv64imf-lp64f-rv64imfd-c \
+          rv64iac-lp64-- rv64imac-lp64-- \
+          rv64imafc-lp64f-rv64imafdc- \
+          rv64ifd-lp64d--m,c \
+          rv64iafd-lp64d-rv64imafd,rv64iafdc- \
+          rv64imafdc-lp64d-- \
+        "}
+
+
+generate_multilib_file()
+{
+  # Not inside the previous if to allow multilib changes after download.
+  if [ "${WITHOUT_MULTILIB}" != "y" ]
+  then
+    (
+      echo
+      echo "Running the multilib generator..."
+
+      GCC_MULTILIB_FILE=${GCC_MULTILIB_FILE:-"t-elf-multilib"}
+
+      # Be sure the ${GCC_MULTILIB_LIST} has no quotes, since it defines
+      # multiple strings.
+
+      # Change IFS temporarily so that we can pass a simple string of
+      # whitespace delimited multilib tokens to multilib-generator
+      local IFS=$' '
+      echo
+      echo "[python3 ./multilib-generator ${GCC_MULTILIB_LIST}]"
+      python3 ./multilib-generator ${GCC_MULTILIB_LIST} > "${GCC_MULTILIB_FILE}"
+
+      echo "----------------------------------------------------------------"
+      cat "${GCC_MULTILIB_FILE}"
+      echo "----------------------------------------------------------------"
+    )
+  fi
+}
+
+generate_multilib_file