feat(layout): add x86_64 so

Author: siguangli2018

layout/android/build_flexbox_so.sh

@@ -100,3 +100,32 @@ ${ANDROID_SO_STRIP} --strip-all -x libflexbox.so -o libflexbox_strip.so
 
 cp ./libflexbox_strip.so ${BASH_SOURCE_DIR}/libs/${ANDROID_ABI}/libflexbox_strip.so
 cp ./libflexbox.so ${BASH_SOURCE_DIR}/libs/${ANDROID_ABI}/libflexbox.so
+
+
+#4.x86_64
+#cmake generate android gradle ninja file: build.ninja
+ANDROID_ABI=x86_64;
+rm -rf "${BUILD_DIR}"/android/${ANDROID_ABI}
+mkdir -p "${BUILD_DIR}"/android/${ANDROID_ABI}
+cd "${BUILD_DIR}"/android/${ANDROID_ABI}
+
+"${ANDROID_CMAKE}"\
+ -DANDROID_ABI="${ANDROID_ABI}"\
+ -DANDROID_TOOLCHAIN=clang\
+ -DANDROID_NDK="${ANDROID_NDK}" \
+ -DANDROID_PLATFORM=android-14\
+ -DCMAKE_TOOLCHAIN_FILE="${CMAKE_TOOLCHAIN_FILE}"\
+ -G"Android Gradle - Ninja" ../../../android/
+
+echo "Start ninja build in directory: `pwd` for ${ANDROID_ABI}"
+#ninja compile the build.ninja that generated by previous cmake
+#libflexbox.so will be get in  "${BUILD_DIR}"/android
+${ANDROID_NINJA}
+
+#strip so
+#for x86 linux strip
+ANDROID_SO_STRIP=${ANDROID_NDK}/toolchains/x86_64-4.9/prebuilt/linux-x86_64/bin/x86_64-linux-android-strip
+${ANDROID_SO_STRIP} --strip-all -x libflexbox.so -o libflexbox_strip.so
+
+cp ./libflexbox_strip.so ${BASH_SOURCE_DIR}/libs/${ANDROID_ABI}/libflexbox_strip.so
+cp ./libflexbox.so ${BASH_SOURCE_DIR}/libs/${ANDROID_ABI}/libflexbox.so