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#
# Copyright (C) 2008, 2009 Wayne Meissner
# All rights reserved.
#
# This file is part of ruby-ffi.
#
# All rights reserved.
#
# This code is free software: you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License version 3 only, as
# published by the Free Software Foundation.
#
# This code is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
# version 3 for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# version 3 along with this work. If not, see <http://www.gnu.org/licenses/>.
#
require 'rbconfig'
module FFI
class PlatformError < LoadError; end
# This module defines different constants and class methods to play with
# various platforms.
module Platform
OS = case RbConfig::CONFIG['host_os'].downcase
when /linux/
"linux"
when /darwin/
"darwin"
when /freebsd/
"freebsd"
when /openbsd/
"openbsd"
when /sunos|solaris/
"solaris"
when /mingw|mswin/
"windows"
else
RbConfig::CONFIG['host_os'].downcase
end
ARCH = case CPU.downcase
when /amd64|x86_64/
"x86_64"
when /i?86|x86|i86pc/
"i386"
when /ppc|powerpc/
"powerpc"
else
RbConfig::CONFIG['host_cpu']
end
private
# @param [String) os
# @return [Boolean]
# Test if current OS is +os+.
def self.is_os(os)
OS == os
end
NAME = "#{ARCH}-#{OS}"
IS_GNU = defined?(GNU_LIBC)
IS_LINUX = is_os("linux")
IS_MAC = is_os("darwin")
IS_FREEBSD = is_os("freebsd")
IS_OPENBSD = is_os("openbsd")
IS_WINDOWS = is_os("windows")
IS_BSD = IS_MAC || IS_FREEBSD || IS_OPENBSD
CONF_DIR = File.join(File.dirname(__FILE__), 'platform', NAME)
public
LIBPREFIX = IS_WINDOWS ? '' : 'lib'
LIBSUFFIX = case OS
when /darwin/
'dylib'
when /linux|bsd|solaris/
'so'
when /windows/
'dll'
else
# Punt and just assume a sane unix (i.e. anything but AIX)
'so'
end
LIBC = if IS_WINDOWS
"msvcrt.dll"
elsif IS_GNU
GNU_LIBC
else
"#{LIBPREFIX}c.#{LIBSUFFIX}"
end
# Test if current OS is a *BSD (include MAC)
# @return [Boolean]
def self.bsd?
IS_BSD
end
# Test if current OS is Windows
# @return [Boolean]
def self.windows?
IS_WINDOWS
end
# Test if current OS is Mac OS
# @return [Boolean]
def self.mac?
IS_MAC
end
# Test if current OS is a unix OS
# @return [Boolean]
def self.unix?
!IS_WINDOWS
end
end
end
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