title: Oculus SDK / Android NDK linking Error 1 - "Did you mean" same as used symbol
body: <p>I am trying to link to some static libraries that I've cross compiled for ARM based on Android instructions. I am able to load some variables, but am struggling with one of them:</p>
  <pre><code>ld: error: undefined symbol: ACE_Time_Value::ACE_Time_Value(long, long)
    &gt;&gt;&gt; referenced by VrCubeWorld_Framework.cpp:241 (jni/../../../Src/VrCubeWorld_Framework.cpp:241)
    &gt;&gt;&gt;               /home/smiller/Development/Vandy/Term3/VR/ovr_strip1/VrSamples/VrCubeWorld_Framework/Projects/Android/build/intermediates/ndkBuild/release/obj/local/arm64-v8a/objs/vrcubeworldfw/__/__/__/Src/VrCubeWorld_Framework.o:(OVRFW::VrCubeWorld::AppInit(OVRFW::ovrAppContext const*))
    &gt;&gt;&gt; did you mean: ACE_Time_Value::ACE_Time_Value(long, long)
    &gt;&gt;&gt; defined in: /home/smiller/Development/Vandy/Term3/VR/ovr_strip1/VrSamples/VrCubeWorld_Framework/Projects/Android/jni/../../../../../3rdParty/ACE_wrappers/build/target/lib/libTAO.a(ORB_Core.o)
    clang++: error: linker command failed with exit code 1 (use -v to see invocation)
    make: *** [/home/smiller/Android/Sdk/ndk/22.0.7026061/build/core/build-binary.mk:728: /home/smiller/Development/Vandy/Term3/VR/ovr_strip1/VrSamples/VrCubeWorld_Framework/Projects/Android/build/intermediates/ndkBuild/release/obj/local/arm64-v8a/libvrcubeworldfw.so] Error 1
  </code></pre>
  <p>LD flags:</p>
  <pre><code>['&quot;/home/smiller/Android/Sdk/ndk/22.0.7026061/toolchains/llvm/prebuilt/linux-x86_64/bin/ld&quot;',
   '-z',
   'noexecstack',
   '-EL',
   '--fix-cortex-a53-843419',
   '--warn-shared-textrel',
   '-z',
   'now',
   '-z',
   'relro',
   '-z',
   'max-page-size=4096',
   '--hash-style=gnu',
   '--enable-new-dtags',
   '--eh-frame-hdr',
   '-m',
   'aarch64linux',
   '-shared',
   '-o',
   '/home/smiller/Development/Vandy/Term3/VR/ovr_strip1/VrSamples/VrCubeWorld_Framework/Projects/Android/build/intermediates/ndkBuild/release/obj/local/arm64-v8a/libvrcubeworldfw.so',
   '/home/smiller/Android/Sdk/ndk/22.0.7026061/toolchains/llvm/prebuilt/linux-x86_64/bin/../sysroot/usr/lib/aarch64-linux-android/24/crtbegin_so.o',
   '-u',
   'ANativeActivity_onCreate',
   '-L/home/smiller/Android/Sdk/ndk/22.0.7026061/toolchains/llvm/prebuilt/linux-x86_64/lib64/clang/11.0.5/lib/linux/aarch64',
   '-L/home/smiller/Android/Sdk/ndk/22.0.7026061/toolchains/llvm/prebuilt/linux-x86_64/bin/../lib/gcc/aarch64-linux-android/4.9.x',
   '-L/home/smiller/Android/Sdk/ndk/22.0.7026061/toolchains/llvm/prebuilt/linux-x86_64/bin/../lib/gcc/aarch64-linux-android/4.9.x/../../../../aarch64-linux-android/lib/../lib64',
   '-L/home/smiller/Android/Sdk/ndk/22.0.7026061/toolchains/llvm/prebuilt/linux-x86_64/bin/../sysroot/usr/lib/aarch64-linux-android/24',
   '-L/home/smiller/Android/Sdk/ndk/22.0.7026061/toolchains/llvm/prebuilt/linux-x86_64/bin/../sysroot/usr/lib/aarch64-linux-android',
   '-L/home/smiller/Android/Sdk/ndk/22.0.7026061/toolchains/llvm/prebuilt/linux-x86_64/bin/../lib/gcc/aarch64-linux-android/4.9.x/../../../../aarch64-linux-android/lib',
   '-L/home/smiller/Android/Sdk/ndk/22.0.7026061/toolchains/llvm/prebuilt/linux-x86_64/bin/../sysroot/usr/lib',
   '-soname',
   'libvrcubeworldfw.so',
   '/home/smiller/Development/Vandy/Term3/VR/ovr_strip1/VrSamples/VrCubeWorld_Framework/Projects/Android/build/intermediates/ndkBuild/release/obj/local/arm64-v8a/objs/vrcubeworldfw/__/__/__/Src/VrCubeWorld_Framework.o',
   '/home/smiller/Development/Vandy/Term3/VR/ovr_strip1/VrSamples/VrCubeWorld_Framework/Projects/Android/build/intermediates/ndkBuild/release/obj/local/arm64-v8a/libsampleframework.a',
   '/home/smiller/Development/Vandy/Term3/VR/ovr_strip1/VrSamples/VrCubeWorld_Framework/Projects/Android/jni/../../../../../3rdParty/ACE_wrappers/build/target/lib/libTAO_AnyTypeCode.a',
   '/home/smiller/Development/Vandy/Term3/VR/ovr_strip1/VrSamples/VrCubeWorld_Framework/Projects/Android/jni/../../../../../3rdParty/ACE_wrappers/build/target/lib/libTAO.a',
   '/home/smiller/Development/Vandy/Term3/VR/ovr_strip1/VrSamples/VrCubeWorld_Framework/Projects/Android/jni/../../../../../3rdParty/ACE_wrappers/build/target/lib/libACE.a',
   '/home/smiller/Development/Vandy/Term3/VR/ovr_strip1/VrSamples/VrCubeWorld_Framework/Projects/Android/build/intermediates/ndkBuild/release/obj/local/arm64-v8a/libsamplecommon.a',
   '/home/smiller/Development/Vandy/Term3/VR/ovr_strip1/VrSamples/VrCubeWorld_Framework/Projects/Android/build/intermediates/ndkBuild/release/obj/local/arm64-v8a/libminizip.a',
   '/home/smiller/Development/Vandy/Term3/VR/ovr_strip1/VrSamples/VrCubeWorld_Framework/Projects/Android/build/intermediates/ndkBuild/release/obj/local/arm64-v8a/libstb.a',
   '/home/smiller/Development/Vandy/Term3/VR/ovr_strip1/VrSamples/VrCubeWorld_Framework/Projects/Android/build/intermediates/ndkBuild/release/obj/local/arm64-v8a/libandroid_native_app_glue.a',
   '/home/smiller/Android/Sdk/ndk/22.0.7026061/sources/cxx-stl/llvm-libc++/libs/arm64-v8a/libc++_static.a',
   '/home/smiller/Android/Sdk/ndk/22.0.7026061/sources/cxx-stl/llvm-libc++abi/../llvm-libc++/libs/arm64-v8a/libc++abi.a',
   '-lgcc',
   '--exclude-libs',
   'libgcc.a',
   '--exclude-libs',
   'libgcc_real.a',
   '-latomic',
   '--exclude-libs',
   'libatomic.a',
   '/home/smiller/Development/Vandy/Term3/VR/ovr_strip1/VrSamples/VrCubeWorld_Framework/Projects/Android/build/intermediates/ndkBuild/release/obj/local/arm64-v8a/libvrapi.so',
   '--build-id=sha1',
   '--no-rosegment',
   '--no-undefined',
   '--fatal-warnings',
   '-lEGL',
   '-lGLESv3',
   '-landroid',
   '-llog',
   '-lz',
   '-lz',
   '-llog',
   '-landroid',
   '-lc',
   '-lm',
   '-lm',
   '-lgcc',
   '-ldl',
   '-lc',
   '-lgcc',
   '-ldl',
   '/home/smiller/Android/Sdk/ndk/22.0.7026061/toolchains/llvm/prebuilt/linux-x86_64/bin/../sysroot/usr/lib/aarch64-linux-android/24/crtend_so.o']
  </code></pre>
  <p>Android.mk:</p>
  <pre><code>LOCAL_PATH := $(call my-dir)
  
  ######################################
  #
  # Static Libraries
  #
  #######################################
  
  # ACE
  include $(CLEAR_VARS)
  LOCAL_MODULE := libACE
  LOCAL_SRC_FILES := $(LOCAL_PATH)/../../../../../3rdParty/ACE_wrappers/build/target/lib/libACE.a
  LOCAL_C_INCLUDES += $(LOCAL_PATH)/../../../../../3rdParty/ACE_wrappers/build/target \
                      $(LOCAL_PATH)/../../../../../3rdParty/ACE_wrappers/build/target/TAO
  include $(PREBUILT_STATIC_LIBRARY)
  
  # TAO
  include $(CLEAR_VARS)
  LOCAL_MODULE := libTAO
  LOCAL_SRC_FILES := $(LOCAL_PATH)/../../../../../3rdParty/ACE_wrappers/build/target/lib/libTAO.a
  LOCAL_C_INCLUDES += $(LOCAL_PATH)/../../../../../3rdParty/ACE_wrappers/build/target \
                      $(LOCAL_PATH)/../../../../../3rdParty/ACE_wrappers/build/target/TAO
  include $(PREBUILT_STATIC_LIBRARY)
  
  # TAO Any Type Code
  include $(CLEAR_VARS)
  LOCAL_MODULE := libTAOAnyTypeCode
  LOCAL_SRC_FILES := $(LOCAL_PATH)/../../../../../3rdParty/ACE_wrappers/build/target/lib/libTAO_AnyTypeCode.a
  LOCAL_C_INCLUDES += $(LOCAL_PATH)/../../../../../3rdParty/ACE_wrappers/build/target \
                      $(LOCAL_PATH)/../../../../../3rdParty/ACE_wrappers/build/target/TAO
  include $(PREBUILT_STATIC_LIBRARY)
  
  ##########################################
  #
  # Compiler Options
  #
  ##########################################
  
  include $(CLEAR_VARS)
  
  include ../../../../cflags.mk
  
  LOCAL_MODULE            := vrcubeworldfw
  
  LOCAL_ARM_MODE := arm
  LOCAL_ARM_NEON := true
  
  LOCAL_CFLAGS         := -Werror
  
  
  LOCAL_C_INCLUDES += $(LOCAL_PATH)/../../../../SampleCommon/Src \
                      $(LOCAL_PATH)/../../../../SampleFramework/Src \
                      $(LOCAL_PATH)/../../../../../VrApi/Include \
                      $(LOCAL_PATH)/../../../../../1stParty/OVR/Include \
                      $(LOCAL_PATH)/../../../../../1stParty/utilities/include \
                      $(LOCAL_PATH)/../../../../../3rdParty/stb/src \
                      $(LOCAL_PATH)/../../../../../3rdParty/ACE_wrappers/build/target \
                      $(LOCAL_PATH)/../../../../../3rdParty/ACE_wrappers/build/target/TAO \
  
  LOCAL_CPPFLAGS += -frtti
  LOCAL_CPPFLAGS += -fexceptions
  
  LOCAL_SRC_FILES := ../../../Src/VrCubeWorld_Framework.cpp \
  $(LOCAL_PATH)/../../../../../3rdParty/ACE_wrappers/build/target/lib/libTAO_AnyTypeCode.a \
  $(LOCAL_PATH)/../../../../../3rdParty/ACE_wrappers/build/target/lib/libTAO.a \
  $(LOCAL_PATH)/../../../../../3rdParty/ACE_wrappers/build/target/lib/libACE.a \
  
  ###################################################
  #
  # Linker Options
  #
  ###################################################
  
  LOCAL_LDLIBS := -lEGL -lGLESv3 -landroid -llog -lz
  LOCAL_LDFLAGS += --verbose
  LOCAL_LDFLAGS += 
  
  LOCAL_STATIC_LIBRARIES := sampleframework
  LOCAL_STATIC_LIBRARIES += libTAOAnyTypeCode libTAO libACE
  
  LOCAL_SHARED_LIBRARIES := vrapi
  
  include $(BUILD_SHARED_LIBRARY)
  
  $(call import-module,VrApi/Projects/AndroidPrebuilt/jni)
  $(call import-module,VrSamples/SampleFramework/Projects/Android/jni)
  </code></pre>
  <p><code>nm -Ca .../libTAO.a | grep ACE_Time_Value::ACE_Time_Value</code> output:</p>
  <p><code>0000000000000000 W ACE_Time_Value::ACE_Time_Value(long, long)</code></p>
  <p>I've tried a number of things, but nothing seems to work. I would appreciate any advice or help as to what I'm doing wrong.</p>