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ruby-opencv/ext/opencv/extconf.rb
2018-07-24 22:37:36 -07:00

59 lines
1.9 KiB
Ruby
Executable file

#!/usr/bin/env ruby
if RbConfig::CONFIG['CC'] =~ /gcc|clang/
RbConfig::CONFIG['CPP'] = "#{RbConfig::CONFIG["CXX"]} -E"
elsif RbConfig::CONFIG['arch'] =~ /mswin32/
RbConfig::CONFIG['CPP'] = "#{CC} /P"
end
RbConfig::MAKEFILE_CONFIG['try_header'] = :try_cpp
require "mkmf"
def cv_version_suffix(incdir)
major, minor, subminor = nil, nil, nil
open("#{incdir}/opencv2/core/version.hpp", 'r') { |f|
f.read.lines.each { |line|
major = $1.to_s if line =~ /\A#define\s+(?:CV_VERSION_EPOCH|CV_MAJOR_VERSION)\s+(\d+)\s*\Z/
minor = $1.to_s if line =~ /\A#define\s+(?:CV_VERSION_MAJOR|CV_MINOR_VERSION)\s+(\d+)\s*\Z/
subminor = $1.to_s if line =~ /\A#define\s+(?:CV_VERSION_MINOR|CV_SUBMINOR_VERSION)\s+(\d+)\s*\Z/
}
}
major + minor + subminor
end
incdir, _ = dir_config("opencv", "/usr/local/include", "/usr/local/lib")
opencv_headers = ["opencv2/core.hpp", "opencv2/highgui.hpp", "opencv2/imgcodecs.hpp", "opencv2/imgproc.hpp", "opencv2/objdetect.hpp", "opencv2/videoio.hpp", "opencv2/dnn.hpp"]
opencv_libraries = ["opencv_core", "opencv_highgui", "opencv_imgcodecs", "opencv_imgproc", "opencv_objdetect", "opencv_videoio", "opencv_dnn"]
puts ">> Check the required libraries..."
if $mswin or $mingw
suffix = cv_version_suffix(incdir)
opencv_libraries.map! { |lib| lib + suffix }
opencv_libraries_opt.map! { |lib| lib + suffix }
have_library("msvcrt")
if $mswin
$CFLAGS << ' /EHsc'
CONFIG['CXXFLAGS'] << ' /EHsc'
end
else
have_library("stdc++")
end
opencv_libraries.each { |lib| raise "#{lib} not found." unless have_library(lib) }
# Check the required headers
puts ">> Check the required headers..."
# TODO: #77 Check this in some OS/compilers
with_cflags("-x c++") do
opencv_headers.each { |header| raise "#{header} not found." unless have_header(header) }
end
if $warnflags
$warnflags.slice!('-Wdeclaration-after-statement')
$warnflags.slice!('-Wimplicit-function-declaration')
end
# Create Makefile
create_makefile('opencv')