On 9/24/25 14:04, [email protected] wrote:
diff --git a/scripts/rust-to-clang-target.sh b/scripts/rust-to-clang-target.sh
new file mode 100644
index 0000000000..5451807888
--- /dev/null
+++ b/scripts/rust-to-clang-target.sh
@@ -0,0 +1,62 @@
+#!/usr/bin/env sh
No shebang is needed, since the file is sourced into the configure script.
Otherwise,
Reviewed-by: Paolo Bonzini <[email protected]>
Paolo
+#
+# Copyright (C) 2025 Red Hat, Inc.
+#
+# Based on rust_to_clang_target() from rust-bindgen.
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+rust_to_clang_target() {
+ rust_target="$1"
+
+ # Split the string by hyphens
+ triple_parts=""
+ old_IFS="$IFS"
+ IFS='-'
+ for part in $rust_target; do
+ triple_parts="$triple_parts $part"
+ done
+ IFS="$old_IFS"
+ set -- $triple_parts
+
+ # RISC-V
+ case "$1" in
+ riscv32*)
+ set -- "riscv32" "${2}" "${3}" "${4}"
+ ;;
+ riscv64*)
+ set -- "riscv64" "${2}" "${3}" "${4}"
+ ;;
+ esac
+
+ # Apple
+ if [ "$2" = "apple" ]; then
+ if [ "$1" = "aarch64" ]; then
+ set -- "arm64" "${2}" "${3}" "${4}"
+ fi
+ if [ "$4" = "sim" ]; then
+ set -- "${1}" "${2}" "${3}" "simulator"
+ fi
+ fi
+
+ # ESP-IDF
+ if [ "$3" = "espidf" ]; then
+ set -- "${1}" "${2}" "elf" "${4}"
+ fi
+
+ # Reassemble the string
+ new_triple=""
+ first=1
+ for part in "$@"; do
+ if [ -n "$part" ]; then
+ if [ "$first" -eq 1 ]; then
+ new_triple="$part"
+ first=0
+ else
+ new_triple="$new_triple-$part"
+ fi
+ fi
+ done
+
+ echo "$new_triple"
+}
