whisper.cpp/bindings/ruby/ext/options.rb

126 lines
3.0 KiB
Ruby

require "fileutils"
class Options
def initialize(cmake="cmake")
@cmake = cmake
@options = {}
configure
write_cache_file
end
def to_a
[
"-D", "BUILD_SHARED_LIBS=OFF",
"-D", "WHISPER_BUILD_TESTS=OFF",
"-D", "CMAKE_ARCHIVE_OUTPUT_DIRECTORY=#{__dir__}",
"-D", "CMAKE_POSITION_INDEPENDENT_CODE=ON",
"-C", cache_path
]
end
def to_s
command_line(*to_a)
end
def graphviz_cmake_args
[]
end
private
def cmake_options
@cmake_options ||= 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
def cmake_options_output
Dir.chdir(__dir__) do
IO.popen([@cmake, "-S", "sources", "-B", "build", "-L"]) {|io| io.read}
end
end
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]
return false unless op
return false unless op[0] == "BOOL"
if op[1].nil?
cmake_options[option][1]
else
op[1]
end
end
def cache_path
File.join(__dir__, "sources", "Options.cmake")
end
def write_cache_file
FileUtils.mkpath File.dirname(cache_path)
File.open cache_path, "w" do |file|
@options.reject {|name, (type, value)| value.nil?}.each do |name, (type, value)|
line = "set(CACHE{%<name>s} TYPE %<type>s FORCE VALUE %<value>s)" % {
name:,
type:,
value: value == true ? "ON" : value == false ? "OFF" : escape_cmake(value)
}
file.puts line
end
end
end
def escape_cmake(str)
str.gsub(/[\\"]/, '\\\\\&')
end
def command_line(*args)
args.collect {|arg| %|"#{arg.to_s.gsub(/[\\"]/, '\\\\\&')}"|}.join(" ")
end
end