| "undefined symbol" when building jni shared library [message #216410] |
Thu, 22 May 2008 21:35 |
Eclipse User |
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I am trying to wrap a few calls to the openCV library with a C shared
library (libfacedetect.so), but when I try and run, I get a message.
/usr/local/lib/libfacedetect.so: undefined symbol:
cvReleaseHaarClassifierCascade
using nm libfacedetect.so I see the symbols are undefined
nm libfacedetect.a
com_imprezzeo_cbir_feature_extractor_FIExtractor.o:
00000032 T
Java_com_imprezzeo_cbir_feature_extractor_FIExtractor_detect Faces
000002fe T
Java_com_imprezzeo_cbir_feature_extractor_FIExtractor_initFa ceDetect
00000000 T
Java_com_imprezzeo_cbir_feature_extractor_FIExtractor_unload FaceDetect
00000000 W _Z6cvSizeii
00000000 W _ZN7JNIEnv_11NewIntArrayEi
00000000 W _ZN7JNIEnv_14GetObjectClassEP8_jobject
00000000 W _ZN7JNIEnv_14NewObjectArrayEiP7_jclassP8_jobject
00000000 W _ZN7JNIEnv_17GetStringUTFCharsEP8_jstringPh
00000000 W _ZN7JNIEnv_17SetIntArrayRegionEP10_jintArrayiiPKi
00000000 W _ZN7JNIEnv_19GetIntArrayElementsEP10_jintArrayPh
00000000 W _ZN7JNIEnv_21SetObjectArrayElementEP13_jobjectArrayiP8_jobje ct
U __gxx_personality_v0
00000004 B cascade
00000008 B cascade_name
U cvClearMemStorage
U cvCreateImage
U cvCreateMemStorage
U cvGetSeqElem
U cvHaarDetectObjects
U cvLoad
U cvReleaseHaarClassifierCascade
U cvReleaseImage
U cvReleaseMemStorage
00000018 B face_min_neighbors
00000020 B face_min_size_height
0000001c B face_min_size_width
00000010 B face_scale_factor
U memcpy
U printf
00000000 B storage
I have both the libfacedetect.so and the libcv.so in /usr/local/lib.
How do I get my project to link to the correct library.
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