Merge "Enable NX protections"

# more consistency between the host tools and the target.

# BUILD_HOST_64bit=1 overrides it for tool like emulator

# which can benefit from 64-bit host arch.

HOST_GLOBAL_CFLAGS += -m64

HOST_GLOBAL_LDFLAGS += -m64

HOST_GLOBAL_CFLAGS += -m64 -Wa,--noexecstack

HOST_GLOBAL_LDFLAGS += -m64 -Wl,-z,noexecstack

else

# We expect SSE3 floating point math.

HOST_GLOBAL_CFLAGS += -mstackrealign -msse3 -mfpmath=sse -m32

HOST_GLOBAL_LDFLAGS += -m32

HOST_GLOBAL_CFLAGS += -mstackrealign -msse3 -mfpmath=sse -m32 -Wa,--noexecstack

HOST_GLOBAL_LDFLAGS += -m32 -Wl,-z,noexecstack

endif # BUILD_HOST_64bit

ifneq ($(strip $(BUILD_HOST_static)),)