Bug 592255 - Linker shows an error when trying to link cv::imwrite
Summary: Linker shows an error when trying to link cv::imwrite
Keywords:
Status: CLOSED RAWHIDE
Alias: None
Product: Fedora
Classification: Fedora
Component: opencv
Version: 13
Hardware: x86_64
OS: Linux
low
medium
Target Milestone: ---
Assignee: Rakesh Pandit
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2010-05-14 11:24 UTC by Anonymous account
Modified: 2011-01-07 08:38 UTC (History)
5 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2011-01-07 08:38:29 UTC
Type: ---


Attachments (Terms of Use)
The cpp code to reproduce the error. (156 bytes, text/x-c++src)
2010-05-14 11:24 UTC, Anonymous account
no flags Details

Description Anonymous account 2010-05-14 11:24:50 UTC
Created attachment 414014 [details]
The cpp code to reproduce the error.

Description of problem:
If you try to link a C Plus Plus file, which uses the openCv function cv:: imwrite, it gets an undefined reference error.

undefined reference to `cv::imwrite(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, cv::Mat const&, std::vector<int, std::allocator<int> > const&)'

The strange thing is, that it links all other tested opencv functions like cv::imread successfully.



Version-Release number of selected component (if applicable):
2.0.0-7.fc13

How reproducible:
Try to compile and link the code in the attachment.

Steps to Reproduce:
1. Download the attached code
2. Try to compile and link it:
g++ -I/usr/include/opencv  -lcxcore -lcv -lhighgui -lcvaux -lml opencv_bug.cpp
3.
  
Actual results:
[]$ g++ -I/usr/include/opencv  -lcxcore -lcv -lhighgui -lcvaux -lml opencv_bug.cpp 
/tmp/ccBD9wCz.o: In function `main':
opencv_bug.cpp:(.text+0xfa): undefined reference to `cv::imwrite(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, cv::Mat const&, std::vector<int, std::allocator<int> > const&)'
collect2: ld returned 1 exit status

Expected results:
Compile and link sucessfully.

Additional info:

Comment 1 Nicolas Chauvet (kwizart) 2011-01-07 08:38:29 UTC
Sorry for the late answear:

Your code worked with :
g++ $(pkg-config --cflags opencv)  $(pkg-config --libs opencv) opencv_bug.cpp
Only tested on OpenCV 2.2 just updated in Rawhide. So At least Closing to Rawhide.


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