79 lines
2.6 KiB
Ruby
79 lines
2.6 KiB
Ruby
require 'formula'
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def which_python
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"python" + `python -c 'import sys;print(sys.version[:3])'`.strip
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end
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def site_package_dir
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"lib/#{which_python}/site-packages"
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end
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class Opencv < Formula
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homepage 'http://opencv.willowgarage.com/wiki/'
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url 'http://sourceforge.net/projects/opencvlibrary/files/opencv-unix/2.4.0/OpenCV-2.4.0.tar.bz2'
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md5 '1fcda4ed3d0655f033ac30be8bad4882'
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depends_on 'cmake' => :build
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depends_on 'pkg-config' => :build
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depends_on 'libtiff' => :optional
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depends_on 'jasper' => :optional
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depends_on 'tbb' => :optional
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depends_on 'qt' if ARGV.include? '--with-qt'
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depends_on 'numpy' => :python
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# Can also depend on ffmpeg, but this pulls in a lot of extra stuff that
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# you don't need unless you're doing video analysis, and some of it isn't
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# in Homebrew anyway.
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def options
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[
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["--32-bit", "Build 32-bit only."],
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["--with-qt", "Build qt backend."]
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]
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end
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def install
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args = std_cmake_args
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args << "-DOPENCV_EXTRA_C_FLAGS='-arch i386 -m32'" if ARGV.build_32_bit?
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args << "-DWITH_QT=ON" if ARGV.include? "--with-qt"
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# The CMake `FindPythonLibs` Module is dumber than a bag of hammers when
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# more than one python installation is available---for example, it clings
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# to the Header folder of the system Python Framework like a drowning
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# sailor.
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#
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# This code was cribbed from the VTK formula and uses the output to
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# `python-config` to do the job FindPythonLibs should be doing in the first
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# place.
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python_prefix = `python-config --prefix`.strip
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# Python is actually a library. The libpythonX.Y.dylib points to this lib, too.
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if File.exist? "#{python_prefix}/Python"
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# Python was compiled with --framework:
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args << "-DPYTHON_LIBRARY='#{python_prefix}/Python'"
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args << "-DPYTHON_INCLUDE_DIR='#{python_prefix}/Headers'"
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else
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python_lib = "#{python_prefix}/lib/lib#{which_python}"
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if File.exists? "#{python_lib}.a"
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args << "-DPYTHON_LIBRARY='#{python_lib}.a'"
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else
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args << "-DPYTHON_LIBRARY='#{python_lib}.dylib'"
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end
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args << "-DPYTHON_INCLUDE_DIR='#{python_prefix}/include/#{which_python}'"
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end
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args << "-DPYTHON_PACKAGES_PATH='#{lib}/#{which_python}/site-packages'"
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system 'cmake', '.', *args
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system "make"
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system "make install"
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end
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def caveats; <<-EOS.undent
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The OpenCV Python module will not work until you edit your PYTHONPATH like so:
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export PYTHONPATH="#{HOMEBREW_PREFIX}/#{site_package_dir}:$PYTHONPATH"
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To make this permanent, put it in your shell's profile (e.g. ~/.profile).
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EOS
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end
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end
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