Caffe: ImportError:caffe.so: ์ •์˜๋˜์ง€ ์•Š์€ ๊ธฐํ˜ธ: _ZN5caffe4mtx_E

์— ๋งŒ๋“  2016๋…„ 03์›” 17์ผ  ยท  9์ฝ”๋ฉ˜ํŠธ  ยท  ์ถœ์ฒ˜: BVLC/caffe

์•ˆ๋…•ํ•˜์„ธ์š” ์นดํŽ˜ ์ด์šฉ์ž ์—ฌ๋Ÿฌ๋ถ„,

pycaffe๋ฅผ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๊ธฐ๋ฅผ ์›ํ•˜๋ฏ€๋กœ ๋‹ค์Œ์„ ์‚ฌ์šฉํ•˜์—ฌ caffe๋ฅผ ๋งŒ๋“ค์—ˆ์Šต๋‹ˆ๋‹ค.

make all
make test
make runtest
make pycaffe

2๊ฐœ์˜ ๋น„ํ™œ์„ฑํ™”๋œ ํ…Œ์ŠคํŠธ๋กœ ๋ชจ๋“  ๊ฒƒ์ด ์›ํ™œํ•˜๊ฒŒ ์‹คํ–‰๋ฉ๋‹ˆ๋‹ค.

๊ทธ๋Ÿฌ๋‚˜ Python ์ฝ˜์†”์—์„œ caffe๋ฅผ ๊ฐ€์ ธ์˜ค๋ ค๊ณ  ํ•˜๋ฉด ์˜ค๋ฅ˜๊ฐ€ ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค.

17:35 $ python
Python 2.7.6 (default, Jun 22 2015, 17:58:13) 
[GCC 4.8.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import caffe
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/home/syq/surveillance_video/tools/caffe/python/caffe/__init__.py", line 1, in <module>
    from .pycaffe import Net, SGDSolver
  File "/home/syq/surveillance_video/tools/caffe/python/caffe/pycaffe.py", line 13, in <module>
    from ._caffe import Net, SGDSolver
ImportError: /home/syq/surveillance_video/tools/caffe/python/caffe/_caffe.so: undefined symbol: _ZN5caffe4mtx_E

Python 2.7.6, CUDA 7.0๊ณผ ํ•จ๊ป˜ Ubuntu 14.04๋ฅผ ์‚ฌ์šฉํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.

์ด๊ฒƒ์ด ๋‚ด PYTHONPATH์˜ ๋ชจ์Šต์ž…๋‹ˆ๋‹ค.
17:35 $ ์—์ฝ” $PYTHONPATH
/home/syq/surveillance_video/tools/caffe/python:/home/syq/surveillance_video/tools/caffe/distribute/python:

_ZN5caffe4mtx_E๊ฐ€ ๋ฌด์—‡์ธ์ง€ ์•„๋Š” ์‚ฌ๋žŒ์ด ์žˆ์Šต๋‹ˆ๊นŒ?
์–ด๋–ค ๋„์›€์„ ์ œ๊ณตํ•˜์‹ญ์‹œ์˜ค! ๊ฐ์‚ฌ ํ•ด์š”!

๊ฐ€์žฅ ์œ ์šฉํ•œ ๋Œ“๊ธ€

@xiw9 ์ฃผ์„์„ ์ œ๊ฑฐํ–ˆ์ง€๋งŒ ์—ฌ์ „ํžˆ ๊ฐ™์€ ์˜ค๋ฅ˜๊ฐ€ ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค!

๋ชจ๋“  9 ๋Œ“๊ธ€

Makefile.config
Python์œผ๋กœ ์ž‘์„ฑ๋œ ๋ ˆ์ด์–ด ์ง€์›์— ๋Œ€ํ•œ ์ฃผ์„ ํ•ด์ œ(Python ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ์— ๋Œ€ํ•ด ๋งํฌ๋จ)
WITH_PYTHON_LAYER := 1

๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค xiw9!
๋ผ์ธ ์ฃผ์„ ํ•ด์ œ:
WITH_PYTHON_LAYER := 1
๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ–ˆ์Šต๋‹ˆ๋‹ค! ๋‚ด๊ฐ€ ๊ทธ๊ฒƒ์„ ๋†“์ณค๋‹ค๋Š” ๊ฒƒ์ด ๋ฏฟ๊ธฐ์ง€ ์•Š์Šต๋‹ˆ๋‹ค.

@xiw9 ์ฃผ์„์„ ์ œ๊ฑฐํ–ˆ์ง€๋งŒ ์—ฌ์ „ํžˆ ๊ฐ™์€ ์˜ค๋ฅ˜๊ฐ€ ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค!

@xiw9 ๋‹ต๋ณ€ ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค! ๊ท€ํ•˜์˜ ๋‹ต๋ณ€์„ ์‚ฌ์šฉํ•˜์—ฌ์ด ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ–ˆ์Šต๋‹ˆ๋‹ค. ์ •๋ง ๋งˆ๋ฒ• ๊ฐ™์•„์š”!

python2.7์— ๋งž๊ฒŒ ์˜ฌ๋ฐ”๋ฅด๊ฒŒ ์ปดํŒŒ์ผ๋˜์—ˆ์Šต๋‹ˆ๋‹ค.
ํ•˜์ง€๋งŒ python3์šฉ์œผ๋กœ ์ปดํŒŒ์ผํ•˜๋„๋ก makefile.config๋ฅผ ๋ณ€๊ฒฝํ•˜๋ฉด ๋™์ผํ•œ ์˜ค๋ฅ˜๊ฐ€ ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค.
์ฃผ์„ ์ฒ˜๋ฆฌ๋ฅผ ํ•ด์ œํ–ˆ์ง€๋งŒ ์—ฌ์ „ํžˆ ๋™์ผํ•œ ์˜ค๋ฅ˜๊ฐ€ ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค.

python3์— ๋Œ€ํ•ด ์–ด๋–ป๊ฒŒ ๊ณ ์ณค์Šต๋‹ˆ๊นŒ? ๋‚˜๋Š” ์—ฌ์ „ํžˆ ๊ฐ™์€ ์˜ค๋ฅ˜๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค ...

python2.7์— ๋งž๊ฒŒ ์˜ฌ๋ฐ”๋ฅด๊ฒŒ ์ปดํŒŒ์ผ๋˜์—ˆ์Šต๋‹ˆ๋‹ค.
ํ•˜์ง€๋งŒ python3์šฉ์œผ๋กœ ์ปดํŒŒ์ผํ•˜๋„๋ก makefile.config๋ฅผ ๋ณ€๊ฒฝํ•˜๋ฉด ๋™์ผํ•œ ์˜ค๋ฅ˜๊ฐ€ ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค.
์ฃผ์„ ์ฒ˜๋ฆฌ๋ฅผ ํ•ด์ œํ–ˆ์ง€๋งŒ ์—ฌ์ „ํžˆ ๋™์ผํ•œ ์˜ค๋ฅ˜๊ฐ€ ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค.

๋„ค, ์ €๋Š”

@xiw9 ์ฃผ์„์„ ์ œ๊ฑฐํ–ˆ์ง€๋งŒ ์—ฌ์ „ํžˆ ๊ฐ™์€ ์˜ค๋ฅ˜๊ฐ€ ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค!
๊ทธ๋Ÿผ ํ•ด๊ฒฐํ•˜์…จ๋‚˜์š”?

5810 ์ €๋ฅผ ์œ„ํ•ด ๊ณ ์ณค์Šต๋‹ˆ๋‹ค.

๋ช…์‹ฌํ•ด์•ผ ํ•  ํ•œ ๊ฐ€์ง€๋Š” Makefile.config์˜ ์œ„์น˜์™€ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ์— ๋Œ€ํ•ด python3.x ๋ฒ„์ „์„ ์กฐ์ •ํ•ด์•ผ ํ•œ๋‹ค๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค.

์ด ํŽ˜์ด์ง€๊ฐ€ ๋„์›€์ด ๋˜์—ˆ๋‚˜์š”?
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