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class Options
def initialize(cmake="cmake")
@cmake = cmake
@options = {}
configure
end
def to_s
@options
.reject {|name, (type, value)| value.nil?}
.collect {|name, (type, value)| "-D #{name}=#{value == true ? "ON" : value == false ? "OFF" : value.shellescape}"}
.join(" ")
end
def cmake_options
return @cmake_options if @cmake_options
output = nil
Dir.chdir __dir__ do
output = `#{@cmake.shellescape} -S sources -B build -L`
end
@cmake_options = output.lines.drop_while {|line| line.chomp != "-- Cache values"}.drop(1)
.filter_map {|line|
option, value = line.chomp.split("=", 2)
name, type = option.split(":", 2)
[
name,
[
type,
type == "BOOL" ? value == "ON" : value
]
]
}.to_h
end
private
def configure
cmake_options.each_pair do |name, (type, default_value)|
option = option_name(name)
value = type == "BOOL" ? enable_config(option) : arg_config("--#{option}")
@options[name] = [type, value]
end
configure_accelerate
configure_metal
configure_coreml
end
# See ggml/src/ggml-cpu/CMakeLists.txt
def configure_accelerate
if RUBY_PLATFORM.match?(/darwin/) && enabled?("GGML_ACCELERATE")
$LDFLAGS << " -framework Accelerate"
end
end
# See ggml/src/ggml-metal/CMakeLists.txt
def configure_metal
$LDFLAGS << " -framework Foundation -framework Metal -framework MetalKit" if enabled?("GGML_METAL")
end
# See src/CmakeLists.txt
def configure_coreml
if enabled?("WHISPER_COREML")
$LDFLAGS << " -framework Foundation -framework CoreML"
$defs << "-DRUBY_WHISPER_USE_COREML"
end
end
def option_name(name)
name.downcase.gsub("_", "-")
end
def enabled?(option)
op = @options[option]
raise "Option not exist: #{option}" unless op
raise "Option not boolean: #{option}(#{op[0]})" unless op[0] == "BOOL"
if op[1].nil?
cmake_options[option][1]
else
op[1]
end
end
end
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