add missing copts

Author: jayakasadev

BUILD.bazel

@@ -46,11 +46,17 @@ CMAKE_FLAGS = {
     "//conditions:default": {"CMAKE_BUILD_TYPE": "Release"},
 })
 
+COPTS = [
+    "-mcx16",
+    "-Wno-error=unknown-pragmas",
+]
+
 cmake(
     name = "snmalloc",
     cache_entries = CMAKE_FLAGS,
     generate_args = ["-G Ninja"],
     lib_source = ":srcs",
+    copts = COPTS,
     out_shared_libs = select({
         "@bazel_tools//src/conditions:darwin": [
             "libsnmallocshim-checks-memcpy-only.dylib",
@@ -72,6 +78,7 @@ cmake(
     cache_entries = CMAKE_FLAGS | {
         "SNMALLOC_RUST_SUPPORT": "ON",
     },
+    copts = COPTS,
     generate_args = ["-G Ninja"],
     lib_source = ":srcs",
     out_shared_libs = select({

fuzzing/BUILD.bazel

@@ -7,9 +7,11 @@ cc_test(
     name = "snmalloc_fuzzer",
     srcs = ["snmalloc-fuzzer.cpp"],
     copts = [
-        "-fexperimental-library",  # needed for std::execution::unseq,
         "-fsanitize=address",
-    ],
+    ] + select({
+        "@bazel_tools//tools/cpp:clang-cl": ["-fexperimental-library"], # needed for std::execution::unseq,
+        "//conditions:default": ["-mcx16"],
+    }),
     defines = [
         "SNMALLOC_USE_WAIT_ON_ADDRESS=0",
         "ADDRESS_SANITIZER",