Problems installing Opencv on Mac

asked 2016-09-28 11:53:04 -0600

Jocy gravatar image

updated 2016-09-28 12:27:03 -0600

berak gravatar image

Hello! I am trying to install Opencv for the first time. When I run this command line:

python opencv/platforms/ios/build_framework.py ios

Comes our this error:

Executing: ['cmake', '-GXcode', '-DAPPLE_FRAMEWORK=ON', '-DCMAKE_INSTALL_PREFIX=install', '-DCMAKE_BUILD_TYPE=Release', '-DCMAKE_TOOLCHAIN_FILE=/Users/Jocy/Downloads/opencv/platforms/ios/cmake/Toolchains/Toolchain-iPhoneOS_Xcode.cmake', '-DENABLE_NEON=ON', '/Users/Jocy/Downloads/opencv', '-DCMAKE_C_FLAGS=-fembed-bitcode', '-DCMAKE_CXX_FLAGS=-fembed-bitcode'] in /Users/Jocy/Downloads/ios/build/armv7-iPhoneOS
============================================================
ERROR: [Errno 2] No such file or directory
============================================================
Traceback (most recent call last):
  File "opencv/platforms/ios/build_framework.py", line 87, in build
    self._build(outdir)
  File "opencv/platforms/ios/build_framework.py", line 81, in _build
    self.buildOne(t[0], t[1], mainBD, cmake_flags)
  File "opencv/platforms/ios/build_framework.py", line 133, in buildOne
    execute(cmakecmd, cwd = builddir)
  File "opencv/platforms/ios/build_framework.py", line 34, in execute
    retcode = check_call(cmd, cwd = cwd)
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.py", line 535, in check_call
    retcode = call(*popenargs, **kwargs)
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.py", line 522, in call
    return Popen(*popenargs, **kwargs).wait()
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.py", line 710, in __init__
    errread, errwrite)
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.py", line 1335, in _execute_child
    raise child_exception
OSError: [Errno 2] No such file or directory

How can I figure out what's going wrong? I just find some answers says that I should add path to CMake, but still don't know how to add it.

Thank you so much for your time!

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Comments

for various reasons, please replace your screenshot with a text version !

berak gravatar imageberak ( 2016-09-28 11:55:20 -0600 )edit

Just changed to the text version~

Jocy gravatar imageJocy ( 2016-09-28 12:26:23 -0600 )edit

yea, thanks ! (grepping, indexing, etc)

berak gravatar imageberak ( 2016-09-28 12:27:56 -0600 )edit

do you have cmake ?

berak gravatar imageberak ( 2016-09-28 12:35:11 -0600 )edit

Yes, I have installed CMake.

Jocy gravatar imageJocy ( 2016-09-28 12:47:57 -0600 )edit

well, that python script cannot find it.

are you able to open a console window (anywhere), and invoke cmake ?

berak gravatar imageberak ( 2016-09-28 12:50:22 -0600 )edit

I am wondering if this is because I didn't set the CMake for command line usage. I installed the .dmg and during the installation he didn't asked me whether for command line usage.

Jocy gravatar imageJocy ( 2016-09-28 13:05:20 -0600 )edit

sorry, can't help much here. (would not touch anything apple with a ten foot pole, personally)

berak gravatar imageberak ( 2016-09-28 13:10:24 -0600 )edit

In the Cmake tool, it says that if I want to install for command line use I have to : One may add CMake to the PATH:

PATH="/Applications/CMake.app/Contents/bin":"$PATH"

Or, to install symlinks to '/usr/local/bin', run:

sudo "/Applications/CMake.app/Contents/bin/cmake-gui" --install

Or, to install symlinks to another directory, run:

sudo "/Applications/CMake.app/Contents/bin/cmake-gui" --install=/path/to/bin

So is this the point?

Jocy gravatar imageJocy ( 2016-09-28 13:10:30 -0600 )edit

Thank you all the same~

Jocy gravatar imageJocy ( 2016-09-28 13:13:22 -0600 )edit
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