Merge tag 'rust-ci-pull-request' of https://gitlab.com/marcandre.lureau/qemu into staging

CI/build-sys fixes for Rust

Collect CI/build-sys patches related to Rust.

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# gpg:                issuer "marcandre.lureau@redhat.com"
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* tag 'rust-ci-pull-request' of https://gitlab.com/marcandre.lureau/qemu: (23 commits)
  build-sys: pass -fvisibility=default for wasm bindgen
  build-sys: deprecate mips host
  meson: rust-bindgen limit allowlist-file to srcdir/include
  tests/freebsd: enable Rust
  configure: set the meson executable suffix/ext
  tests/lcitool: enable rust & refresh
  tests/docker: add ENABLE_RUST environment
  tests/lcitool: update to debian13
  tests/lcitool: add missing rust-std dep
  lcitool/alpine: workaround bindgen issue
  lcitool/qemu: include libclang-rt for TSAN
  lcitool: update, switch to f41
  build-sys: cfi_debug and safe_stack are not compatible
  tests/docker/common: print meson log on configure failure
  tests/docker: use fully qualified image name for emsdk
  tests/docker/common: print errors to stderr
  configure: set the bindgen cross target
  configure: fix rust meson configuration
  scripts/archive-source: use a bash array
  scripts/archive-source: silence subprojects downloads
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 60 insertions, 0 deletions

diff --git a/scripts/rust-to-clang-target.sh b/scripts/rust-to-clang-target.sh
new file mode 100644
index 0000000000..72db7e1300
--- /dev/null
+++ b/scripts/rust-to-clang-target.sh
@@ -0,0 +1,60 @@
+# 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"
+}