diff options
Diffstat (limited to 'core/combo/TARGET_linux-x86.mk')
-rw-r--r-- | core/combo/TARGET_linux-x86.mk | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/core/combo/TARGET_linux-x86.mk b/core/combo/TARGET_linux-x86.mk index 0fb6edc..df5ebee 100644 --- a/core/combo/TARGET_linux-x86.mk +++ b/core/combo/TARGET_linux-x86.mk @@ -25,7 +25,7 @@ endif # You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else ifeq ($(strip $(TARGET_TOOLS_PREFIX)),) TARGET_TOOLS_PREFIX := \ - prebuilt/$(HOST_PREBUILT_TAG)/toolchain/i686-android-linux-4.4.3/bin/i686-android-linux- + prebuilts/gcc/$(HOST_PREBUILT_TAG)/x86/i686-android-linux-4.4.3/bin/i686-android-linux- endif TARGET_CC := $(TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX) @@ -96,8 +96,25 @@ TARGET_GLOBAL_CPPFLAGS += \ -fno-use-cxa-atexit ifeq ($(TARGET_ARCH_VARIANT),x86-atom) - TARGET_GLOBAL_CFLAGS += -march=atom -mstackrealign -DUSE_SSSE3 -DUSE_SSE2 -mfpmath=sse + # Basic ATOM flags. + TARGET_GLOBAL_CFLAGS += -march=atom -mstackrealign -mfpmath=sse + + # There are various levels of ATOM processors out there. Different ones have different + # capabilities. This first define matches the NDK's minimum ABI requirements. + # Note: Not all of the flags set here are actually used in Android. They are provided + # to allow for the addition of corresponding optimizations. + TARGET_GLOBAL_CFLAGS += -DUSE_MMX -DUSE_SSE -DUSE_SSE2 -DUSE_SSE3 + + # If you wish to build a BSP that will only be used on hardware that has additional + # available instructions, enable them here. By default, this is commented off so that + # the default images can run on all processors that are NDK ABI compliant. + # TARGET_GLOBAL_CFLAGS += -DUSE_SSSE3 else + # Plain 'x86' - lowest common denominator. This should run pretty much on any hardware. + # + # Note: The NDK's ABI (see the NDK ABI documentation) requires many of the more recent + # instruction set additions. You can build an "x86" BSP that will run on very old hardware, + # but it won't be able to run much of the x86 NDK compliant code. TARGET_GLOBAL_CFLAGS += -march=i686 endif |