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require "mkmf"
na_path = RbConfig::CONFIG["sitearchdir"]
begin
require "rubygems"
gem = true
rescue LoadError
gem = false
end
if gem
if ( na_type = ENV["NARRAY_TYPE"] )
nas = [na_type]
else
nas = %w(narray numru-narray)
end
if Gem::Specification.respond_to?(:find_by_name)
nas.each do |na|
begin
if ( spec = Gem::Specification.find_by_name(na) )
na_type = na
na_path = spec.full_gem_path
case na_type
when "narray"
na_path = File.join(na_path, "src")
when "numru-narray"
na_path = File.join(na_path, "ext", "numru", "narray")
end
break
end
rescue LoadError
end
end
else
nas.each do |na|
if ( spec = Gem.source_index.find_name(na) ).any?
na_type = na
na_path = spec[0].full_gem_path
case na_type
when "narray"
na_path = File.join(na_path, "src")
when "numru-narray"
na_path = File.join(na_path, "ext", "numru", "narray")
end
break
end
end
end
end
dir_config("narray", na_path, na_path)
unless have_header("narray.h")
$stderr.print "narray.h does not found. Specify the path.\n"
$stderr.print "e.g., gem install rb-grib -- --with-narray-include=path\n"
exit(-1)
end
dir_config("grib_api")
if have_header("grib_api.h") && have_library("grib_api")
create_makefile("numru/grib")
end
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