Merge pull request swiftlang#33323 from apple/shahmishal/support-cross-compile-host

Fix cross compile for Apple Silicon toolchains

Author: shahmishal

utils/build-script-impl

@@ -2468,13 +2468,15 @@ for host in "${ALL_HOSTS[@]}"; do
                 executable_target=
                 results_targets=
                 if ! [[ "${SKIP_TEST_SWIFT}" ]]; then
-                    executable_target=SwiftUnitTests
-                    results_targets=("${SWIFT_TEST_TARGETS[@]}")
-                    if [[ "${STRESS_TEST_SOURCEKIT}" ]]; then
-                        results_targets=(
-                            "${results_targets[@]}"
-                            stress-SourceKit
-                        )
+                    if ! [[ $(is_cross_tools_host ${host}) ]] ; then
+                       executable_target=SwiftUnitTests
+                       results_targets=("${SWIFT_TEST_TARGETS[@]}")
+                       if [[ "${STRESS_TEST_SOURCEKIT}" ]]; then
+                          results_targets=(
+                               "${results_targets[@]}"
+                               stress-SourceKit
+                          )
+                       fi
                     fi
                 fi
                 if ! [[ "${SKIP_TEST_BENCHMARKS}" ]]; then
@@ -2491,6 +2493,10 @@ for host in "${ALL_HOSTS[@]}"; do
                 if [[ "${SKIP_TEST_LLDB}" ]]; then
                     continue
                 fi
+                if [[ $(is_cross_tools_host ${host}) ]]; then
+                    echo "--- Can't execute tests for ${host}, skipping... ---"
+                    continue
+                fi
                 llvm_build_dir=$(build_directory ${host} llvm)
                 lldb_build_dir=$(build_directory ${host} lldb)
                 results_dir="${lldb_build_dir}/test-results"
@@ -2786,7 +2792,11 @@ for host in "${ALL_HOSTS[@]}"; do
                 if [[ "${LLVM_INSTALL_COMPONENTS}" == "all" ]] ; then
                     INSTALL_TARGETS=install
                 elif [[ -n "${LLVM_INSTALL_COMPONENTS}" ]] ; then
-                    INSTALL_TARGETS=install-$(echo ${LLVM_INSTALL_COMPONENTS} | sed -E 's/;/ install-/g')
+                    if [[ $(is_cross_tools_host ${host}) && "${LLVM_INSTALL_COMPONENTS}" == *"compiler-rt"* ]]; then
+                        INSTALL_TARGETS=install-$(echo ${LLVM_INSTALL_COMPONENTS} | sed -E 's/compiler-rt;//g' |sed -E 's/;/ install-/g')
+                    else
+                        INSTALL_TARGETS=install-$(echo ${LLVM_INSTALL_COMPONENTS} | sed -E 's/;/ install-/g')
+                    fi
                 fi
                 ;;
             libcxx)