Add bullet thirdparty library

thirdparty/bullet/build3/Android/jni/Android.mk

@@ -0,0 +1,49 @@
+LOCAL_PATH := ../../..
+
+include $(CLEAR_VARS)
+
+LOCAL_CFLAGS := $(LOCAL_C_INCLUDES:%=-I%) -DUSE_PTHREADS -mfpu=neon -mfloat-abi=softfp -pthread -DSCE_PFX_USE_SIMD_VECTORMATH
+
+# apply these flags if needed 
+# -ffast-math -funsafe-math-optimizations
+
+# apply this to disable optimization
+# TARGET_CFLAGS := $(TARGET_CFLAGS) -O0
+
+# apply these 2 to turn on assembly output (*.c/*.cpp to *.s file)
+#compile-cpp-source = $(eval $(call ev-compile-cpp-source,$1,$(1:%$(LOCAL_CPP_EXTENSION)=%.s)))
+#TARGET_CFLAGS := $(TARGET_CFLAGS) -S
+
+# Enable or disable NEON. Don't forget to apply, or not apply, -mfpu=neon and -mfloat-abi=softfp
+# flags in addition, e.g., if this is true both of those need to be included in LOCAL_CFLAGS
+# to avoid the possibility that ndk-build will "forget" to add them on some files
+LOCAL_ARM_NEON := true
+
+TARGET_CFLAGS := $(filter-out -ffpu=vfp,$(TARGET_CFLAGS))
+
+# setup to build static library
+LOCAL_MODULE := libBullet
+
+LOCAL_C_INCLUDES :=  $(LOCAL_PATH)/src
+
+#find all the file recursively under jni/
+FILE_LIST := $(wildcard \
+		$(LOCAL_PATH)/src/LinearMath/*.cpp \
+		$(LOCAL_PATH)/src/Bullet3Common/*.cpp \
+		$(LOCAL_PATH)/src/BulletCollision/BroadphaseCollision/*.cpp \
+		$(LOCAL_PATH)/src/BulletCollision/CollisionDispatch/*.cpp \
+		$(LOCAL_PATH)/src/BulletCollision/CollisionShapes/*.cpp \
+		$(LOCAL_PATH)/src/BulletCollision/NarrowPhaseCollision/*.cpp \
+		$(LOCAL_PATH)/src/BulletDynamics/ConstraintSolver/*.cpp \
+		$(LOCAL_PATH)/src/BulletDynamics/Dynamics/*.cpp \
+		$(LOCAL_PATH)/src/BulletDynamics/Featherstone/*.cpp \
+		$(LOCAL_PATH)/src/BulletDynamics/MLCPSolvers/*.cpp \
+		$(LOCAL_PATH)/src/BulletDynamics/Vehicle/*.cpp \
+		$(LOCAL_PATH)/src/BulletDynamics/Character/*.cpp \
+		$(LOCAL_PATH)/src/BulletSoftBody/*.cpp \
+		$(LOCAL_PATH)/src/BulletInverseDynamics/*.cpp \
+		$(LOCAL_PATH)/src/BulletInverseDynamics/details/*.cpp \
+		)
+LOCAL_SRC_FILES := $(FILE_LIST:$(LOCAL_PATH)/%=%)
+
+include $(BUILD_STATIC_LIBRARY)

thirdparty/bullet/build3/Android/jni/Application.mk

@@ -0,0 +1,7 @@
+APP_MODULES := libBullet
+APP_ABI := armeabi-v7a
+APP_OPTIM := release
+
+#We only need STL for placement new (#include <new>) 
+#We don't use STL in Bullet
+APP_STL                 := stlport_static