message: build: Fix x86_64 <-> arm64 cross-compiling for macOS
diff: @@ -21,3 +21,8 @@ darwin_NM:=$(shell xcrun -f nm)
  darwin_INSTALL_NAME_TOOL:=$(shell xcrun -f install_name_tool)
  darwin_native_binutils=
  darwin_native_toolchain=
  +
  +x86_64_darwin_CFLAGS = -arch x86_64
  +x86_64_darwin_CXXFLAGS = $(x86_64_darwin_CFLAGS)
  +aarch64_darwin_CFLAGS = -arch arm64
  +aarch64_darwin_CXXFLAGS = $(aarch64_darwin_CFLAGS)
  