added aarch64 deps for macos_arm64
diff --git a/build_defs.bzl b/build_defs.bzl
index 1ce9482..af543b9 100644
--- a/build_defs.bzl
+++ b/build_defs.bzl
@@ -146,6 +146,7 @@
             ":linux_armv7a": aarch32_srcs,
             ":linux_aarch64": aarch64_srcs,
             ":macos_x86_64": x86_srcs,
+            ":macos_arm64": aarch64_srcs,
             ":windows_x86_64_clang": x86_srcs,
             ":windows_x86_64_mingw": x86_srcs,
             ":windows_x86_64_msys": x86_srcs,
@@ -180,6 +181,7 @@
             ":linux_armv7a": aarch32_copts,
             ":linux_aarch64": aarch64_copts,
             ":macos_x86_64": gcc_x86_copts,
+            ":macos_arm64": aarch64_copts,
             ":windows_x86_64_clang": ["/clang:" + opt for opt in gcc_x86_copts],
             ":windows_x86_64_mingw": mingw_copts + gcc_x86_copts,
             ":windows_x86_64_msys": msys_copts + gcc_x86_copts,
@@ -261,6 +263,7 @@
             ":linux_armv7a": aarch32_deps,
             ":linux_aarch64": aarch64_deps,
             ":macos_x86_64": x86_deps,
+            ":macos_arm64": aarch64_deps,
             ":windows_x86_64_clang": x86_deps,
             ":windows_x86_64_mingw": x86_deps,
             ":windows_x86_64_msys": x86_deps,