1 files changed, 52 insertions, 0 deletions
diff --git a/taskcluster/scripts/misc/repack-clang.sh b/taskcluster/scripts/misc/repack-clang.sh
new file mode 100755
index 0000000000..4a1b3ed01e
--- /dev/null
+++ b/taskcluster/scripts/misc/repack-clang.sh
@@ -0,0 +1,52 @@
+#!/bin/bash
+set -x -e -v
+
+shopt -s nullglob
+
+# This script is for repacking clang for cross targets on a Linux host.
+
+cd $MOZ_FETCHES_DIR
+
+# We have a clang toolchain in $MOZ_FETCHES_DIR/clang
+# We have some compiler-rts in $MOZ_FETCHES_DIR/compiler-rt*
+# We have some libunwinds in $MOZ_FETCHES_DIR/libunwind*
+# We copy everything from the compiler-rts into clang/lib/clang/$version/
+# and everything from the libunwinds into clang/
+clang_ver_dir=$(echo clang/lib/clang/*/include)
+clang_ver_dir=${clang_ver_dir%/include}
+[ -n "$clang_ver_dir" ] && for c in compiler-rt* libunwind*; do
+  case $c in
+  compiler-rt*)
+    clang_dir=$clang_ver_dir
+    ;;
+  libunwind*)
+    clang_dir=clang
+    ;;
+  esac
+  find $c -mindepth 1 -type d | while read d; do
+    mkdir -p "$clang_dir/${d#$c/}"
+    find $d -mindepth 1 -maxdepth 1 -not -type d | while read f; do
+      target_file="$clang_dir/${f#$c/}"
+      case $d in
+      compiler-rt-*/lib/darwin)
+        if [ -f "$target_file" ]; then
+          # Unify overlapping files for darwin/
+          $MOZ_FETCHES_DIR/cctools/bin/lipo -create "$f" "$target_file" -output "$target_file.new"
+          mv "$target_file.new" "$target_file"
+          continue
+        fi
+        ;;
+      esac
+      if [ -f "$target_file" ] && ! diff -q "$f" "$target_file" 2>/dev/null; then
+        echo "Cannot copy $f because it is already in ${target_file%/*}" >&2 && exit 1
+      fi
+      cp "$f" "$target_file"
+    done
+  done
+done
+
+if [ -n "$UPLOAD_DIR" ]; then
+  tar caf clang.tar.zst clang
+  mkdir -p $UPLOAD_DIR
+  mv clang.tar.zst $UPLOAD_DIR
+fi