Sha256: 1c88781a08b3ecf11935f6705932b4d27a6ea792c48ca7b87c3108fbaec671d9
Contents?: true
Size: 1.62 KB
Versions: 8
Compression:
Stored size: 1.62 KB
Contents
require 'rbconfig'
require File.expand_path '../compiler/generic_compiler', __FILE__
require File.expand_path '../compiler/gcc', __FILE__
require File.expand_path '../compiler/clang', __FILE__
require File.expand_path '../compiler/apple_llvm', __FILE__
module Libv8
module Compiler
module_function
def well_known_compilers
compilers = []
# The default system compiler
compilers << 'c++'
# FreeBSD GCC command names
compilers += ['g++48', 'g++49', 'g++5', 'g++6', 'g++7']
# Default compiler names
compilers += ['clang++', 'g++']
compilers.uniq
end
def available_compilers(*compiler_names)
available = compiler_names.select { |compiler_name| available? compiler_name }
available.map { |compiler_name| type_of(compiler_name).new compiler_name }
end
def type_of(compiler_name)
case version_string_of(compiler_name)
when /^Apple LLVM\b/ then AppleLLVM
when /\bclang\b/i then Clang
when /^gcc/i then GCC
else GenericCompiler
end
end
def version_string_of(compiler_name)
command_result = execute_command "#{compiler_name} -v 2>&1"
unless command_result.status.success?
raise "Could not get version string of compiler #{compiler_name}"
end
command_result.output
end
def available?(command)
execute_command("which #{command} 2>&1").status.success?
end
def execute_command(command)
output = `env LC_ALL=C LANG=C #{command}`
status = $?
ExecutionResult.new output, status
end
class ExecutionResult < Struct.new(:output, :status)
end
end
end
Version data entries
8 entries across 8 versions & 2 rubygems