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ruby-opencv/extconf.rb

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#!/usr/bin/env ruby
#/usr/local/bin/ruby
=begin
create Makefile script for Ruby/OpenCV
usage : ruby extconf.rb
make && make install
VC : ruby extconf.rb
nmake
=end
require "mkmf"
# option "opencv"
# extconf.rb --with-opencv-lib=/path/to/opencv/lib
# extconf.rb --with-opencv-include=/path/to/opencv/include
dir_config("opencv", "/usr/local/include", "/usr/local/lib")
if CONFIG["arch"].include?("darwin")
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dir_config("ffcall", "/opt/local/include", "/opt/local/lib")
else
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dir_config("ffcall", "/usr/local/include", "/usr/local/lib")
end
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dir_config("libxml2", "/usr/include", "/usr/lib")
opencv_headers = ["opencv2/core/core_c.h", "opencv2/core/core.hpp", "opencv2/imgproc/imgproc_c.h",
"opencv2/imgproc/imgproc.hpp", "opencv2/video/tracking.hpp", "opencv2/features2d/features2d.hpp",
"opencv2/flann/flann.hpp", "opencv2/calib3d/calib3d.hpp", "opencv2/objdetect/objdetect.hpp",
"opencv2/legacy/compat.hpp", "opencv2/legacy/legacy.hpp", "opencv2/highgui/highgui_c.h",
"opencv2/highgui/highgui.hpp"]
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opencv_libraries = ["opencv_calib3d", "opencv_contrib", "opencv_core", "opencv_features2d",
"opencv_flann", "opencv_gpu", "opencv_highgui", "opencv_imgproc",
"opencv_legacy", "opencv_ml", "opencv_objdetect", "opencv_video"]
puts ">> check require libraries..."
case CONFIG["arch"]
when /mswin32/
have_library("msvcrt", nil)
opencv_libraries.each{|lib|
have_library(lib)
}
else
opencv_libraries.each{|lib|
raise "lib#{lib} not found." unless have_library(lib)
}
#have_library("ml")
have_library("stdc++")
end
# check require headers
puts ">> check require headers..."
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opencv_headers.each{|header|
raise "#{header} not found." unless have_header(header)
}
#have_header("ml.h")
have_header("stdarg.h")
# check require functions.
# todo
# optional libraies check.
puts ">> ----- optional -----"
puts ">> check ffcall..."
# check ffcall
if have_library("callback") && have_header("callback.h")
puts ">> support OpenCV::GUI::Window#set_trackbar"
else
puts ">> ! unsupport OpenCV::GUI::Window#set_trackbar (if need it. install ffcall)"
puts "http://www.haible.de/bruno/packages-ffcall.html"
end
# Quick fix for 1.8.7
$CFLAGS << " -I#{File.dirname(__FILE__)}/ext/opencv"
# step-final. create Makefile
create_makefile("opencv", "./ext/opencv")