1 # This file contains feature macro definitions specific to the 2 # base 'x86' platform ABI. This one must *strictly* match the NDK x86 ABI 3 # which mandates specific CPU extensions to be available. 4 # 5 # It is also used to build full_x86-eng / sdk_x86-eng platform images that 6 # are run in the emulator under KVM emulation (i.e. running directly on 7 # the host development machine's CPU). 8 # 9 10 # If your target device doesn't support the four following features, then 11 # it cannot be compatible with the NDK x86 ABI. You should define a new 12 # target arch variant (e.g. "x86-mydevice") and a corresponding file 13 # under build/core/combo/arch/x86/ 14 # 15 ARCH_X86_HAVE_MMX := true 16 ARCH_X86_HAVE_SSE := true 17 ARCH_X86_HAVE_SSE2 := true 18 ARCH_X86_HAVE_SSE3 := true 19 20 # These features are optional and shall not be included in the base platform 21 # Otherwise, they sdk_x86-eng system images might fail to run on some 22 # developer machines. 23 # 24 25 ARCH_X86_HAVE_SSSE3 := false 26 ARCH_X86_HAVE_MOVBE := false 27 ARCH_X86_HAVE_POPCNT := false 28 29 30 # XXX: This flag is probably redundant, because it should be set by default 31 # by our toolchain binaries. However, there have been reports that this may 32 # not always work as intended, so keep it unless we have the time to check 33 # everything properly. 34 35 TARGET_GLOBAL_CFLAGS += -march=i686 36
