cmake and ndk build

CmakeAndNdkBuild

#  for cmake
# c++11
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
#debug or release
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -O3")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3")
set(CMAKE_STATIC_LINKER_FLAGS_RELEASE "${CMAKE_STATIC_LINKER_FLAGS_RELEASE} -s")
set(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} -s")
#if CMAKE_STATIC_LINKER_FLAGS_RELEASE or CMAKE_SHARED_LINKER_FLAGS_RELEASE not work use this
#if(CMAKE_BUILD_TYPE MATCHES Release)
#    set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -s")
#endif()

set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -O1 -g")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -O1 -g")

# for gradle

cmake {
    arguments "-DANDROID_TOOLCHAIN=gcc"
    arguments "-DANDROID_STL=gnustl_static" //default gnustl_static
}

# for Andorid.mk

# c++11
LOCAL_CPPFLAGS += -std=c++11

#debug or release
ifeq ($(NDK_DEBUG),0)
    LOCAL_CFLAGS += -O3
    LOCAL_CPPFLAGS += -O3
    LOCAL_LDFLAGS += -s
else
    LOCAL_CFLAGS += -O1 -g
    LOCAL_CPPFLAGS += -O1 -g
endif

# for Application
APP_OPTIM= release
APP_THIN_ARCHIVE := true
APP_STL := gnustl_static
APP_ABI := armeabi-v7a
APP_PLATFORM := android-14
NDK_TOOLCHAIN_VERSION := 4.9 #use gcc