/
configure.rb
executable file
·2352 lines (1902 loc) · 63.1 KB
/
configure.rb
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#!/usr/bin/env ruby
require './rakelib/configure'
require './rakelib/release'
require './rakelib/build_signature'
require 'rbconfig'
require 'tempfile'
require 'fileutils'
require 'stringio'
require 'date'
require 'digest/md5'
require 'digest/sha2'
require 'net/http'
module Rubinius
BUILD_CONFIG = {}
end
root = File.expand_path File.dirname(__FILE__)
require File.join(root, "core", "options")
class Configure
# Default settings only. All code that may depend on user-selected options
# must run after options are processed.
def initialize(root)
@log = Logger.new "configure.log"
@command_line = ARGV.dup
@log.log "Command line: #{@command_line.join(" ").inspect}"
@features = {}
@defines = []
@config = File.join(root, "build/config/config.rb")
# Platform settings
@host = `sh -c ./build/bin/config.guess`.chomp
@cpu = nil
@vendor = nil
@os = nil
@windows = nil
@darwin = nil
@bsd = nil
@linux = nil
@little_endian = false
@sizeof = {}
@gc_stack_check = false
@log_concurrent_update = false
@raise_concurrent_update = false
# Build tools
@cc = nil
@cxx = nil
@make = nil
@rake = nil
@tar = nil
@bzip = nil
@perl = nil
@gem = nil
# LLVM settings
@llvm_path = nil
@llvm_system_name = get_system_name
@llvm_configure = nil
@llvm_version = nil
@llvm_api_version = nil
@llvm_shared = false
@llvm_shared_objs = nil
@llvm_cxxflags = ""
@llvm_ldflags = ""
# System settings
@libc = nil
@x86_64 = false
@aarch64 = false
@dtrace = false
@dtrace_const = false
@have_lchmod = false
@have_lchown = false
@have_mkfifo = false
@debug_build = false
@include_dirs = []
@lib_dirs = []
# File system paths
@sourcedir = root
@prefixdir = nil
@bindir = nil
@appdir = nil
@libdir = nil
@encdir = nil
@runtimedir = nil
@codedbdir = nil
@codetoolsdir = nil
@stdlibdir = nil
@coredir = nil
@sitedir = nil
@archdir = nil
@vendordir = nil
@mandir = nil
@gemsdir = nil
@includedir = nil
@build_libdir = nil
@builddir = nil
@scriptdir = nil
@capi_includedir = "#{@sourcedir}/machine/include/capi"
@bootstrap_gems_dir = nil
@vm_release_h = File.join(root, "/machine/release.h")
@preserve_prefix = false
@program_name = "rbx"
@bin_links = ["rbx", "ruby", "rake", "gem", "irb", "rdoc", "ri", "erb"]
@use_bin_links = true
# List of all gems to pre-install.
@gems_list = File.join(root, "gems_list.txt")
@gem_files = File.readlines(@gems_list).map { |x| x.chomp }
@gem_names = @gem_files.map { |x| /(.*)-\d+\.\d+(\.\d+)?\.gem$/.match(x)[1] }
@installed_gems = [
"bundler-1.16.1.gem",
"minitest-5.11.1.gem",
"racc-1.4.14.gem",
"rake-12.3.0.gem",
"rdoc-5.1.0.gem",
"rb-readline-0.5.5.gem",
"test-unit-3.2.7.gem",
]
# Default cache directory, can be overwritten by the user.
@gems_cache = File.expand_path "../build/libraries/cache", __FILE__
# Vendored library settings
@build_libdir = File.join(root, "/build/libraries")
# Ruby compatibility version
@ruby_version = "10.0"
@ruby_libversion = @ruby_version.split(/\./)[0..1].join.to_i
@build_bin = "#{@sourcedir}/build/bin"
# Configure settings
@release_build = !in_git?
end
# Set up system commands to run in cmd.exe on Windows. Either Windows
# or MRI on Windows has issues with subprocesses where the invocation
# of the subprocess will return before the subprocess has finished.
# This manifests in configure when uncompressing LLVM source returns
# but attempting to move the directory fails sporadically with an access
# exception. Adding the, essentially no-op, 'sleep 0' resolves this.
def msys_system(cmd)
old_system %[cmd.exe /C "#{cmd} && sleep 0"]
end
def msys_backquote(cmd)
old_backquote %[cmd.exe /C "#{cmd}"]
end
def expand(path)
File.expand_path(path)
end
def expand_install_dir(dir)
dir = expand dir
if !@preserve_prefix and File.directory?(dir) and dir !~ /(rubinius|rbx).*\/?$/
original = dir
dir += "/rubinius/#{@libversion}"
@log.write "The directory #{original} already exists, installing to #{dir}"
end
dir
end
def set_host
/([^-]+)-([^-]+)-(.*)/ =~ @host
@cpu, @vendor, @os = $1, $2, $3
# TODO: For better cross-compiling support, it may be necessary to
# use the feature facility to check for a define in the compiler.
@windows = (@host =~ /mingw|mswin/) != nil
@darwin = (@host =~ /darwin/) != nil
@bsd = (@host =~ /bsd/) != nil
@linux = (@host =~ /linux/) != nil
end
def set_system_commands
# Set up system commands to run in cmd.exe on Windows.
if @windows
alias :old_system :system
alias :old_backquote :`
alias :system :msys_system
alias :` :msys_backquote
end
end
def set_filesystem_paths
@prefixdir = @prefixdir ? expand_install_dir(@prefixdir) : @sourcedir
if @appdir
dir = expand_install_dir @appdir
@libdir = dir + "/library"
@runtimedir = dir + "/runtime"
@codedbdir = dir + "/codedb"
@coredir = dir + "/core"
@sitedir = dir + "/site"
@archdir = dir + "/site/#{@cpu}-#{@os}"
@encdir = dir + "/site/#{@cpu}-#{@os}/encoding/converter"
@vendordir = dir + "/vendor"
end
@bindir = @prefixdir + "/bin" unless @bindir
@libdir = @prefixdir + "/library" unless @libdir
@runtimedir = @prefixdir + "/runtime" unless @runtimedir
@codedbdir = @prefixdir + "/codedb" unless @codedbdir
@coredir = @prefixdir + "/core" unless @coredir
@sitedir = @prefixdir + "/site" unless @sitedir
@archdir = @prefixdir + "/site/#{@cpu}-#{@os}" unless @archdir
@encdir = @prefixdir + "/site/#{@cpu}-#{@os}/encoding/converter" unless @encdir
@vendordir = @prefixdir + "/vendor" unless @vendordir
@mandir = @prefixdir + "/man" unless @mandir
@gemsdir = @prefixdir + "/gems" unless @gemsdir
@includedir = @prefixdir + "/machine/include/capi" unless @includedir
dirs = [@bindir, @libdir, @runtimedir, @codedbdir, @coredir, @sitedir,
@archdir, @vendordir, @mandir, @gemsdir, @includedir, @encdir]
parts = dirs.map { |d| d.split "/" }
i = 0
total = parts[0].size
prefix = []
while i < total
part = parts[0][i]
break unless parts.all? { |p| p[i] == part }
prefix << part
i += 1
end
@prefixdir = prefix.join "/"
size = @prefixdir.size
dirs.each { |d| d.replace d[size..-1] }
@scriptdir = "#{@sourcedir}/build/scripts"
@builddir = "#{@sourcedir}/build/rubinius" unless @builddir
stat = File.stat @builddir if File.exist? @builddir
if stat and stat.owned? and not @builddir.empty? and @builddir != "/"
FileUtils.rm_r @builddir
end
if @preserve_prefix
@builddir = File.expand_path "#{@builddir}/#{@prefixdir}"
end
FileUtils.mkdir_p @builddir
@bootstrap_gems_dir ||= "#{@sourcedir}/build/libraries/gems"
@codetoolsdir = "#{@sourcedir}/build/codetools"
@stdlibdir = "#{@sourcedir}/build/stdlib"
end
def add_opt_dir(dir)
@include_dirs << "#{dir}/include"
@lib_dirs << "#{dir}/lib" << "#{dir}/lib64"
end
def options
@options = Rubinius::Options.new "Usage: configure [options]", 30
o = @options
o.left_align
o.doc " Configure settings"
o.on "--log-file", "NAME", "Write log to file NAME" do |name|
old_log = @log.path
@log = Logger.new name, false
@log.replace old_log
end
o.on "--make", "NAME", "Use NAME as 'make' during build" do |name|
@make = name
end
o.on "--rake", "NAME", "Use NAME as 'rake' during build" do |name|
@rake = name
end
o.on "--tar", "NAME", "Use NAME as 'tar'" do |name|
@tar = name
end
o.on "--bzip", "NAME", "Use NAME as 'bzip'" do |name|
@bzip = name
end
o.on "--perl", "NAME", "Use NAME as 'perl' during build" do |name|
@perl = name
end
o.on "--gem", "NAME", "Use NAME as 'gem' during build" do |name|
@gem = name
end
o.on "--debug-build", "Disable C++ optimizations and retain debugging symbols" do
@debug_build = true
end
o.on "--sanitize", "SANITIZER", "Enable the Clang sanitizer: 'memory', 'address', 'undefined'" do |sanitizer|
if ["address", "memory", "undefined"].include?(sanitizer)
@debug_build = true
(@system_cxxflags ||= "") << " -fsanitize=#{sanitizer} -fno-omit-frame-pointer -fno-optimize-sibling-calls "
@system_cxxflags << " -fsanitize-address-use-after-scope " if sanitizer == "address"
@system_cxxflags << " -fsanitize-memory-track-origins " if sanitizer == "memory"
(@system_ldflags ||= "") << " -g -fsanitize=#{sanitizer} "
end
end
o.on "--release-build", "Build from local files instead of accessing the network" do
@release_build = true
end
o.on "--no-release-build", "Build from the network instead of local files" do
@release_build = false
end
o.on "--gc-stack-check", "Emit stack trace for all threads on pause for GC" do
@gc_stack_check = true
end
o.on "--log-concurrent-update", "Log when T2 updates an object created by T1" do
@log_concurrent_update = true
end
o.on "--raise-concurrent-update", "Raise a RuntimeError when T2 updates an object created by T1" do
@raise_concurrent_update = true
end
o.doc "\n Compiler settings"
o.on "--cc", "COMPILER", "Compiler to use for C code (eg clang)" do |cc|
@cc = cc
end
o.on "--cxx", "COMPILER", "Compiler to use for C++ code (eg clang++)" do |cxx|
@cxx = cxx
end
o.doc "\n LLVM settings"
o.on "--system-name", "NAME", "Name of OS (eg fedora-8, ubuntu-10.04)" do |name|
@llvm_system_name = name
end
o.on "--llvm-path", "PATH", "File system path to the directory containing LLVM" do |dir|
@llvm_path = dir.dup
end
o.on "--llvm-config", "PROGRAM", "File system path to the llvm-config program" do |program|
@llvm_configure = program
end
o.on "--llvm-shared", "Link to shared LLVM library" do
@llvm_shared = true
end
o.doc "\n System settings"
o.on "--with-include-dir", "DIR", "Add DIR to the default include search paths" do |dir|
dir.split(File::PATH_SEPARATOR).each do |d|
@include_dirs << d
end
end
o.on "--with-lib-dir", "DIR", "Add DIR to the default library search paths" do |dir|
dir.split(File::PATH_SEPARATOR).each do |d|
@lib_dirs << d
end
end
o.on "--with-opt-dir", "DIR", "Add DIR/include and DIR/lib to include and library search paths" do |dir|
dir.split(File::PATH_SEPARATOR).each do |d|
add_opt_dir(d)
end
end
o.on "--libc", "NAME", "Use NAME as the libc for FFI" do |name|
@libc = name
end
o.on "--host", "HOST", "Override guessed platform with HOST specification" do |host|
@log.write "------------------------------------------------------"
@log.write "\nChanging the platform specification can cause Rubinius"
@log.write "to malfunction. The current platform specification is:"
@log.write "\n#{@host}"
@log.write "\n------------------------------------------------------"
@host = host
end
o.doc "\n Program names"
o.on "--program-name", "NAME", "Build Rubinius executable as NAME" do |name|
@program_name = name
end
o.on "--bin-link", "NAME", "Create NAME as binary symlink to program name" do |name|
@bin_links << name
end
o.on "--no-bin-links", "Do not create any symlinks to program name" do
@use_bin_links = false
end
o.doc "\n File system paths for installing Rubinius"
o.on "-P", "--prefix", "PATH", "Install Rubinius in subdirectories of PATH" do |dir|
warn_prefix dir
@prefixdir = dir.dup
end
o.on "-B", "--bindir", "PATH", "Install Rubinius executable in PATH" do |dir|
@bindir = expand dir
end
o.on "-I", "--includedir", "PATH", "Install Rubinius C-API include files in PATH" do |dir|
@includedir = expand dir
end
o.on "-A", "--appdir", "PATH", "Install Ruby runtime and libraries in PATH" do |dir|
@appdir = dir.dup
end
o.on "-L", "--libdir", "PATH", "Install Rubinius shared library in PATH" do |dir|
@libdir = dir.dup
end
o.on "-M", "--mandir", "PATH", "Install man pages in PATH" do |dir|
@mandir = expand dir
end
o.on "-G", "--gemsdir", "PATH", "Install gems in PATH" do |dir|
@gemsdir = expand dir
end
o.on "--gems-cache", "PATH", "Cache Gems in PATH during compilation" do |dir|
@gems_cache = expand dir
end
o.on "--sitedir", "PATH", "Install site-specific Ruby code in PATH" do |dir|
@sitedir = expand dir
end
o.on "--archdir", "PATH", "Install arch-specific native extensions in PATH" do |dir|
@archdir = expand dir
end
o.on "--vendordir", "PATH", "Install vendor-specific Ruby code in PATH" do |dir|
@vendordir = expand dir
end
o.on "--preserve-prefix", "Use the configure prefix for staging Rubinius to install" do
@preserve_prefix = true
end
o.on "--stagingdir", "PATH", "Use PATH to build and prepare all files for install" do |dir|
@builddir = expand dir
end
o.doc "\n Optional features"
feature "execinfo", true
feature "vendor-zlib", false
feature "vendor-libsodium", true
feature "alloc-tracking", false
feature "dtrace", false
feature "rpath", false
o.doc "\n Help!"
o.on "--show", "Print the current configuration and exit" do
print_debug
exit 0
end
o.on "-V", "--verbose", "Print additional info" do
@verbose = true
end
o.help
o.doc ""
end
def feature(name, default_value=true)
@features[name] = ConfigurationToggle.new default_value
@options.on "--with-#{name}", "Enable #{name}" do
@features[name].configured = true
end
@options.on "--without-#{name}", "Disable #{name}" do
@features[name].configured = false
end
end
def parse(ary)
@options.parse ary
end
def md5_checksum(md5_path, full_path)
return Digest::MD5.file(full_path).hexdigest == File.read(md5_path).strip.split(" ").first
end
def download(url, full_path, follows=0)
begin
dir = File.dirname full_path
Dir.mkdir dir unless File.exist? dir
uri = url.kind_of?(URI) ? url : URI(url)
if ENV['http_proxy']
protocol, userinfo, p_host, p_port = URI::split(ENV['http_proxy'])
p_user, p_pass = userinfo.split(/:/) if userinfo
http = Net::HTTP.new(uri.host, uri.port, p_host, p_port, p_user, p_pass)
else
http = Net::HTTP.new(uri.host, uri.port)
end
http.use_ssl = true if uri.scheme == 'https'
request = Net::HTTP::Get.new(uri.request_uri)
http.request(request) do |res|
case res
when Net::HTTPNotFound
@log.write " #{url} not found."
return false
when Net::HTTPMovedPermanently,
Net::HTTPFound,
Net::HTTPSeeOther,
Net::HTTPTemporaryRedirect
if follows > 3
@log.write " ERROR: too many redirects: #{url}"
return false
end
return download URI.parse(res['Location']), full_path, follows + 1
when Net::HTTPClientError
@log.write " ERROR: #{res.inspect}"
return false
end
size = 0
total = res.header['Content-Length'].to_i
@log.write " Downloading #{File.basename(full_path)}..."
File.open full_path, "wb" do |f|
res.read_body do |chunk|
f << chunk
size += chunk.size
print "\r [ %d%% (%d of %d) ]" % [(size * 100) / total, size, total]
end
end
@log.write ": done!"
end
rescue Interrupt
File.unlink full_path if File.exist?(full_path)
raise
rescue StandardError => e
File.unlink full_path if File.exist?(full_path)
@log.write " ERROR: #{e.message}"
return false
end
return true
end
def setup_llvm
@log.print " Checking for 'llvm-config': "
config = @llvm_configure
if !config
which = ENV['PATH'].split(":").find do |path|
File.exist? File.join(path, "llvm-config")
end
if which
config = File.join(which, "llvm-config")
elsif @darwin
if macports?
config = macports_llvm_config
else
out = brew "--prefix llvm"
config = "#{out}/bin/llvm-config" if $?.success?
end
end
end
if config
config_cmd = llvm_config_cmd config
begin
version = `#{config_cmd} --version`.strip
# Ruby 1.8 returns an empty string
failed = true if version.empty?
rescue Errno::ENOENT
# Ruby 1.9 raises this error
failed = true
end
unless failed
parts = version.sub(/svn$/, "").split(".").map { |i| i.to_i }
api_version = ("%d%02d" % parts[0..1]).to_i
if api_version < 306
@log.write "only LLVM 3.6+ is supported"
else
@log.write "found! (version #{version} - api: #{api_version})"
@llvm = :config
@llvm_configure = config_cmd
@llvm_version = version
@llvm_api_version = api_version
check_llvm_flags
if @llvm_shared
setup_llvm_shared
end
return true
end
else
@log.write "executing #{config_cmd.inspect} failed"
end
else
@log.write "not found"
end
failure "ABORT: unable to set up LLVM"
end
def setup_llvm_shared
@log.print " Checking for LLVM shared libs: "
src = <<-EOP
#include <llvm/IR/LLVMContext.h>
using namespace llvm;
int main() { LLVMContext &Context = getGlobalContext(); }
EOP
common_args = "`#{@llvm_configure} --cppflags` #{@llvm_cxxflags} #{@llvm_ldflags}".strip.split(/\s+/)
shared_configs = {
"libLLVM-#{@llvm_version}" => ["-lLLVM-#{@llvm_version}"],
"#{@llvm_configure} --libs" => `#{@llvm_configure} --libs`.strip.split(/\s+/)
}
shared_configs.each do |desc, objs|
status = check_program(false, *(common_args + objs)) do |f|
f.puts src
@log.log src
end
if status == 0
@log.write "found! (using #{desc})"
@llvm_shared_objs = objs
return true
end
end
@log.write "not found"
false
end
def check_llvm_flags
flags = '--ldflags'
# Starting with LLVM 3.5 the --system-libs option is required in order to
# link against libraries such as zlib. Prior to 3.5 this was handled by
# --ldflags.
flags << ' --system-libs'
# Generate the actual flags. For whatever reason llvm-config also includes
# newlines in the output, so lets get rid of those while we're at it.
@llvm_ldflags = `#{@llvm_configure} #{flags}`.strip.gsub("\n", ' ')
end
def env(which)
ENV[which] || ""
end
def default_link_libs
libs = []
unless @host =~ /haiku/
libs << "m"
end
libs
end
def failure(message=nil)
@log.error message if message
STDERR.puts "\nRunning 'configure' failed. Please check configure.log for more details."
exit 1
end
def supported_compiler(name)
failure <<-EOM
Unable to find #{name} compiler. Support for compilers other than #{name}
compiler was deprecated 1 Jun 2016 and has been removed. If your platform does
not support #{name} compiler, please email contact@rubinius.com
EOM
end
def default_cc
return 'clang' if `clang --version > /dev/null 2>&1` && $?.success?
supported_compiler "clang C"
end
def default_cxx
return 'clang++' if `clang++ --version > /dev/null 2>&1` && $?.success?
supported_compiler "clang++ C++"
end
def check_tools
@cc ||= ENV['CC'] || default_cc
@cxx ||= ENV['CXX'] || default_cxx
check_tool_version @cc, '-dumpversion', [4, 1]
check_tool_version @cxx, '-dumpversion', [4, 1]
supported_compiler "clang C" unless @cc =~ /clang|ccc-analyzer/
supported_compiler "clang++ C++" unless @cxx =~ /clang\+\+|c\+\+\-analyzer/
if File.exist? @build_bin
if !File.directory? @build_bin
fail "#{@build_bin} already exists and is not a directory"
end
else
FileUtils.mkdir_p @build_bin
end
if @cc != "cc"
cc = "#{@build_bin}/cc"
File.symlink `which #{@cc}`.chomp, cc unless File.exist? cc
end
if @cxx != "c++"
cxx = "#{@build_bin}/c++"
File.symlink `which #{@cxx}`.chomp, cxx unless File.exist? cxx
end
@make ||= ENV['MAKE'] || 'make'
@rake ||= ENV['RAKE'] || 'rake'
@tar ||= ENV['TAR'] || (@windows ? 'bsdtar' : 'tar')
@bzip ||= ENV['BZIP'] || 'bzip2'
@perl ||= ENV['PERL'] || 'perl'
@gem ||= ENV['GEM'] || 'gem'
@gcc_major = `#{@cc} -dumpversion`.strip.split(".")[0,2].join(".")
if @host == "i686-pc-linux-gnu" || @host == "x86_64-unknown-linux-gnu"
@llvm_generic_prebuilt = "llvm-#{@llvm_version}-#{@host}-#{@gcc_major}.tar.bz2"
else
@llvm_generic_prebuilt = "llvm-#{@llvm_version}-#{@host}.tar.bz2"
end
@system_cflags ||= ""
(@system_cxxflags ||= "") << "-std=c++14 "
@system_cppflags ||= ""
@system_incflags ||= ""
@system_ldflags ||= ""
@user_cflags = ENV['CFLAGS']
@user_cxxflags = ENV['CXXFLAGS']
@user_cppflags = ENV['CPPFLAGS']
@user_incflags = ENV['INCFLAGS']
@user_ldflags = ENV['LDFLAGS']
setup_platform
end
def setup_platform
@ldsharedxx = "#{@cxx} -shared"
@ldshared = "#{@cc} -shared"
@include_dirs.each do |d|
@system_incflags << "-I#{d} "
end
@lib_dirs.each do |d|
@system_ldflags << "-L#{d} "
end
case RUBY_PLATFORM
when /mswin/i, /mingw/i, /bccwin32/i
# TODO: discovery helpers
#check_heads(%w[windows.h winsock.h], true)
#check_libs(%w[kernel32 rpcrt4 gdi32], true)
unless RUBY_PLATFORM =~ /mingw/
@system_cflags << "-EHs -GR"
end
@system_ldflags << "-lws2_32"
@features["rpath"].configured = false
when /solaris/i
# GNU CHAIN only supported
@ldsharedxx = "#{@cxx} -shared -G -fPIC -lstdc++"
@ldshared = "#{@cc} -shared -G -fPIC"
@system_cflags << "-fPIC -Wno-strict-aliasing"
@system_ldflags << "-lsocket -lnsl -fPIC"
@features["rpath"].configured = false
@make = "gmake"
when /freebsd/i
@ldsharedxx = "#{@cxx} -shared -fPIC"
@ldshared = "#{@cc} -shared -fPIC"
@system_cflags << "-fPIC"
@system_ldflags << "-lcrypt -pthread -rdynamic"
@make = "gmake"
when /openbsd/i
# OpenBSD branch contributed by Guillaume Sellier.
# on Unix we need a g++ link, not gcc. On OpenBSD, linking against
# libstdc++ have to be explicitly done for shared libs
@ldsharedxx = "#{@cxx} -shared -lstdc++ -fPIC"
@ldshared = "#{@cc} -shared -fPIC"
@system_cflags << "-fPIC"
@system_ldflags << "-pthread -rdynamic -Wl,--export-dynamic"
@make = "gmake"
when /netbsd/i
@ldsharedxx = "#{@cxx} -shared -lstdc++ -fPIC"
@ldshared = "#{@cc} -shared -fPIC"
@system_cflags << "-fPIC"
@system_ldflags << "-lcrypt -pthread -rdynamic -Wl,--export-dynamic"
@make = "gmake"
when /darwin/i
# on Unix we need a g++ link, not gcc.
# Ff line contributed by Daniel Harple.
@ldsharedxx = "#{@cxx} -bundle -undefined suppress -flat_namespace"
@ldshared = "#{@cc} -bundle -undefined suppress -flat_namespace"
@system_cflags << "-fPIC -D_DARWIN_USE_64_BIT_INODE"
@features["rpath"].configured = false
when /haiku/i
@system_cflags << "-fPIC"
@system_ldflags << "-ldl -lnetwork"
@features["rpath"].configured = false
when /aix/i
@ldsharedxx = "#{@cxx} -shared -Wl,-G -Wl,-brtl"
@ldshared = "#{@cc} -shared -Wl,-G -Wl,-brtl"
@features["rpath"].configured = false
when /linux/i
@system_cflags << "-fPIC"
@system_ldflags << "-Wl,--export-dynamic -lrt -lcrypt -ldl -lpthread"
else
# on Unix we need a g++ link, not gcc.
@system_cflags << "-fPIC"
@system_ldflags << "-ldl -lpthread"
end
if @features["rpath"].value
@lib_dirs.each do |d|
@system_ldflags << " -Wl,-rpath=#{d}"
end
end
end
def check_program(run=true, *arguments)
begin
basename = "rbx-configure-test"
source = basename + ".cpp"
File.open source, "wb" do |f|
yield f
end
File.open source, "rb" do |f|
@log.log f.read
end
libs = default_link_libs.map { |l| "-l#{l}" }.join(" ")
args = arguments.join(" ")
cmd = "#{@cxx} #{@user_cppflags} #{@user_cflags} #{@user_cxxflags} #{@user_incflags} #{@user_ldflags} -o #{basename} #{source} #{@system_cppflags} #{@system_cflags} #{@system_cxxflags} #{@system_incflags} #{@system_ldflags} #{libs} #{args} >>#{@log.path} 2>&1"
@log.log cmd
system cmd
return $?.exitstatus unless run
unless $?.exitstatus == 0
@log.log msg = "Compiling configure test program failed."
raise RuntimeError, msg
end
system expand("./#{basename}")
return $?.exitstatus
rescue => e
@log.log "Error in check_program: #{e.class} #{e.message}\n #{e.backtrace.join("\n ")}"
raise e
ensure
FileUtils.rm_r(Dir["#{basename}*"])
end
end
def write_have_defines(f)
f.puts
@defines.each { |d| f.puts "#define #{d.ljust(20)} 1" }
end
def write_have_sizeof_defines(f)
f.puts
@sizeof.keys.sort.each { |k| f.puts "#define HAVE_#{k}".ljust(30) + "1" }
end
def write_sizeof_defines(f)
f.puts
@sizeof.keys.sort.each { |k| f.puts "#define SIZEOF_#{k}".ljust(30) + @sizeof[k].to_s }
end
def sizeof_typename(type)
if type =~ /(\*+)$/
name = "#{type[0...-$1.size]}#{"p" * $1.size}"
else
name = type
end
name.gsub(/\W/, "_").upcase
end
def sizeof(type)
@sizeof[sizeof_typename(type)] or failure("Unknown type: '#{type}'.")
end
def assert_sizeof
@log.print "Checking sizeof(intptr_t) == sizeof(int64_t): "
status = check_program do |f|
src = <<-EOP
#include <stdint.h>
int main(int argc, char* argv[]) {
return sizeof(intptr_t) == sizeof(int64_t);
}
EOP
f.puts src
@log.log src
end
if status == 1
@log.write "yes"
else
@log.write "no"
failure "\nRubinius requires that sizeof(intptr_t) == sizeof(int64_t)"
end
end
def detect_sizeof(type, includes=[])
@log.print "Checking sizeof(#{type}): "
size = check_program do |f|
src = includes.map { |include| "#include <#{include}>\n" }.join
src += <<-EOP
#include <stddef.h>
#include <stdint.h>
int main() { return sizeof(#{type}); }
EOP
f.puts src
@log.log src
end
@sizeof[sizeof_typename(type)] = size
@log.write "#{size} bytes"
end
def detect_endian
@log.print "Checking platform endianness: "
status = check_program do |f|
src = "int main() { int one = 1; return (*((char*)&one)) == 1 ? 0 : 1; }"
f.puts src
@log.log src
end
@little_endian = (status == 0)
@log.write @little_endian ? "little endian" : "big endian"
end
def detect_tr1
@log.print "Checking for tr1: "
status = check_program(false) do |f|
src = <<-EOP
#include <tr1/unordered_map>
typedef std::tr1::unordered_map<int, void*> X;