android 庫的編譯依賴於nkd-build，使用之前請先安裝NDK。

編譯依賴 Android.mk 和 Application.mk 兩個檔案。

Android.mk（同時編譯靜態庫和動態庫）:

LOCAL_PATH := $(call my-dir)

$(info )
$(info ****** Build Library ******)

################################
######### STATIC LIB ###########
################################
include $(CLEAR_VARS)

# 原始碼路徑
CODE1_PATH := ../../code1
CODE2_PATH := ../../code2
CODE3_PATH := ../../code3

# 輸出庫名
LOCAL_MODULE := hello_android

# 編譯平臺選項
APP_ABI := armeabi armeabi-v7a x86 mips
LOCAL_CFLAGS := -O3 -Wl,-Bsymbolic
LOCAL_CFLAGS += -ffunction-sections -fdata-sections  # 去無用程式碼

# CODE1 Source
CODE1_C := $(subst $(LOCAL_PATH)/ ,, $(wildcard $(LOCAL_PATH)/$(CODE1_PATH)/src/*.c))

# CODE2 Source
CODE2_CPP := $(subst $(LOCAL_PATH)/ ,, $(wildcard $(LOCAL_PATH)/$(CODE2_PATH)/src/*.cpp))

# CODE3 Source
CODE3_C := $(subst $(LOCAL_PATH)/ ,, $(wildcard $(LOCAL_PATH)/$(CODE3_PATH)/src/*.c))

# 根據平臺不同，選擇性編譯
ifeq ($(APP_ABI), x86)
    CODE3_C += $(subst $(LOCAL_PATH)/ ,, $(wildcard $(LOCAL_PATH)/$(CODE3_PATH)/src/X86/*.c))
else
 

    ifeq ($(APP_ABI), armeabi-v7a)
        CODE3_C += $(subst $(LOCAL_PATH)/ ,, $(wildcard $(LOCAL_PATH)/$(CODE3_PATH)/src/Neon/*.c))
    else
        ifeq ($(APP_ABI), armeabi)
            CODE3_C += $(subst $(LOCAL_PATH)/ ,, $(wildcard $(LOCAL_PATH)/$(CODE3_PATH)/src/Neon/*.c))
        else
            ifeq ($(APP_ABI), mips)
                CODE3_C += $(subst $(LOCAL_PATH)/ ,, $(wildcard $(LOCAL_PATH)/$(CODE3_PATH)/src/Mips/*.c))
            endif
        endif
    endif

endif

LOCAL_SRC_FILES := $(call CODE1_C, $(LOCAL_PATH))
LOCAL_SRC_FILES += $(call CODE2_CPP, $(LOCAL_PATH))
LOCAL_SRC_FILES += $(call CODE3_C, $(LOCAL_PATH))


LOCAL_C_INCLUDES := \
    $(LOCAL_PATH)/$(CODE1_PATH)/Include1 \
    $(LOCAL_PATH)/$(CODE1_PATH)/Include2

LOCAL_C_INCLUDES += \
    $(LOCAL_PATH)/$(CODE2_PATH)/Include

LOCAL_C_INCLUDES += \
    $(LOCAL_PATH)/$(CODE3_PATH)/Include

include $(BUILD_STATIC_LIBRARY)


################################
######### SHARED LIB ###########
################################

include $(CLEAR_VARS)

CODE1_PATH := ../../code1
CODE2_PATH := ../../code2
CODE3_PATH := ../../code3

LOCAL_MODULE := hello_android_shared
LOCAL_STATIC_LIBRARIES := hello_android
APP_ABI := armeabi armeabi-v7a x86 mips

LOCAL_CFLAGS := -O3 -Wl,-Bsymbolic
LOCAL_CFLAGS += -ffunction-sections -fdata-sections  # 去無用程式碼
LOCAL_LDFLAGS := -Wl,--gc-sections

# CODE1 Source
CODE1_C := $(subst $(LOCAL_PATH)/ ,, $(wildcard $(LOCAL_PATH)/$(CODE1_PATH)/src/*.c))

# CODE2 Source
CODE2_CPP := $(subst $(LOCAL_PATH)/ ,, $(wildcard $(LOCAL_PATH)/$(CODE2_PATH)/src/*.cpp))

# CODE3 Source
CODE3_C := $(subst $(LOCAL_PATH)/ ,, $(wildcard $(LOCAL_PATH)/$(CODE3_PATH)/src/*.c))

# 根據平臺不同，選擇性編譯
ifeq ($(APP_ABI), x86)
    CODE3_C += $(subst $(LOCAL_PATH)/ ,, $(wildcard $(LOCAL_PATH)/$(CODE3_PATH)/src/X86/*.c))
else
 

    ifeq ($(APP_ABI), armeabi-v7a)
        CODE3_C += $(subst $(LOCAL_PATH)/ ,, $(wildcard $(LOCAL_PATH)/$(CODE3_PATH)/src/Neon/*.c))
    else
        ifeq ($(APP_ABI), armeabi)
            CODE3_C += $(subst $(LOCAL_PATH)/ ,, $(wildcard $(LOCAL_PATH)/$(CODE3_PATH)/src/Neon/*.c))
        else
            ifeq ($(APP_ABI), mips)
                CODE3_C += $(subst $(LOCAL_PATH)/ ,, $(wildcard $(LOCAL_PATH)/$(CODE3_PATH)/src/Mips/*.c))
            endif
        endif
    endif

endif

LOCAL_SRC_FILES := $(call CODE1_C, $(LOCAL_PATH))
LOCAL_SRC_FILES += $(call CODE2_CPP, $(LOCAL_PATH))
LOCAL_SRC_FILES += $(call CODE3_C, $(LOCAL_PATH))


LOCAL_C_INCLUDES := \
    $(LOCAL_PATH)/$(CODE1_PATH)/Include1 \
    $(LOCAL_PATH)/$(CODE1_PATH)/Include2

LOCAL_C_INCLUDES += \
    $(LOCAL_PATH)/$(CODE2_PATH)/Include

LOCAL_C_INCLUDES += \
    $(LOCAL_PATH)/$(CODE3_PATH)/Include

include $(BUILD_SHARED_LIBRARY)
 

Application.mk

#APP_MODULES := hello_android_S
APP_OPTIM := release
APP_ABI := armeabi-v7a
APP_BUILD_SCRIPT := Android.mk

編譯：

linux:ndk-build -B NDK_PROJECT_PATH=. NDK_APPLICATION_MK=./Application.mk

windows:%NDK%/ndk-build.cmd -B NDK_PROJECT_PATH=. NDK_APPLICATION_MK=./Application.mk