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Editorial Team
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Asked: 2026-06-08T22:19:16+00:00

How can I specify shared libraries to load in the Android.mk when compiling with

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How can I specify shared libraries to load in the Android.mk when compiling with ndk-build ?

Edit: This is my Android.mk

LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
LOCAL_MODULE := lib-crypto
LOCAL_SRC_FILES := libcrypto.so
include $(PREBUILT_SHARED_LIBRARY)

include $(CLEAR_VARS)
LOCAL_MODULE := tema1
LOCAL_SRC_FILES := tema1.c
LOCAL_SHARED_LIBRARIES := lib-crypto
LOCAL_C_INCLUDES := /home/aleksei/openSSL0.9.8/include
include $(BUILD_EXECUTABLE)

libcrypto.so is the library that I have built for android. I want to make a program using it. Now it gives me this error: 

Install        : libcrypto.so => libs/armeabi/libcrypto.so
Executable     : tema1
./obj/local/armeabi/libcrypto.so: undefined reference to `dladdr'
collect2: ld returned 1 exit status
make: *** [obj/local/armeabi/tema1] Error 1
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1 Answer

  1. Editorial Team

    I had the same problem. To fix it, I did the following:

    1. In the same directory as your Android.mk file, create a file named Application.mk
    2. Add the following line of code into Application.mk:
      "APP_PLATFORM := android-8"

    If you already have an Application.mk file, just add the code in step 2 to the existing file. Now call ndk-build and see if it links. ndk-build may be compiling with an old version of libdl which does not have dladdr(). The code in step 2 will cause ndk-build to use an updated libdl which has dladdr().

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