can't install on Fedora - help required

[Ahsan Nabi Dar]

any help will be appreciated as openCV is installed without any errors

ESC[A/home/dar/.rvm/rubies/ruby-2.0.0-p353/bin/ruby extconf.rb
-- The C compiler identification is GNU 4.8.2
-- The CXX compiler identification is GNU 4.8.2
-- Check for working C compiler: /usr/bin/cc
-- Check for working C compiler: /usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Found PkgConfig: /usr/bin/pkg-config (found version "0.28")
-- checking for module 'opencv'
-- package 'opencv' not found
CMake Error at /usr/local/share/cmake-2.8/Modules/FindPkgConfig.cmake:279 (message):
A required package was not found
Call Stack (most recent call first):
/usr/local/share/cmake-2.8/Modules/FindPkgConfig.cmake:333 (_pkg_check_modules_internal)
src/CMakeLists.txt:6 (pkg_check_modules)

-- Configuring incomplete, errors occurred!
See also "/home/dar/.rvm/gems/ruby-2.0.0-p353@retrospective/gems/ropencv-0.0.15/ext/CMakeFiles/CMakeOutput.log".
extconf.rb:3:in block in <main>': CMake Configure Error (RuntimeError) from extconf.rb:1:inchdir'
from extconf.rb:1:in `

'

extconf failed, exit code 1

[Alexander Duda]

cmake uses pkgconfig to find opencv. Make sure that pkg-config --list-all | grep opencv returns opencv before trying to build ropencv

[Ahsan Nabi Dar]

thanks , found this guide helpful might come in handy for future users

http://thesilenceoflambs.wordpress.com/2012/05/08/install-and-test-opencv-under-fedora-16/

[Ahsan Nabi Dar]

you also need to install gtk2-devel, not mentioned in the link