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Feature #5658 » mkmf.rb.in_a_module.patch

drbrain (Eric Hodel), 11/22/2011 11:42 AM

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lib/mkmf.rb (working copy)
require 'fileutils'
require 'shellwords'
CONFIG = RbConfig::MAKEFILE_CONFIG
ORIG_LIBPATH = ENV['LIB']
C_EXT = %w[c m]
CXX_EXT = %w[cc mm cxx cpp]
if File::FNM_SYSCASE.zero?
CXX_EXT.concat(%w[C])
end
SRC_EXT = C_EXT + CXX_EXT
$static = nil
$config_h = '$(arch_hdrdir)/ruby/config.h'
$default_static = $static
unless defined? $configure_args
$configure_args = {}
args = CONFIG["configure_args"]
if ENV["CONFIGURE_ARGS"]
args << " " << ENV["CONFIGURE_ARGS"]
end
for arg in Shellwords::shellwords(args)
arg, val = arg.split('=', 2)
next unless arg
arg.tr!('_', '-')
if arg.sub!(/^(?!--)/, '--')
val or next
arg.downcase!
end
next if /^--(?:top|topsrc|src|cur)dir$/ =~ arg
$configure_args[arg] = val || true
end
for arg in ARGV
arg, val = arg.split('=', 2)
next unless arg
arg.tr!('_', '-')
if arg.sub!(/^(?!--)/, '--')
val or next
arg.downcase!
end
$configure_args[arg] = val || true
end
end
$libdir = CONFIG["libdir"]
$rubylibdir = CONFIG["rubylibdir"]
$archdir = CONFIG["archdir"]
$sitedir = CONFIG["sitedir"]
$sitelibdir = CONFIG["sitelibdir"]
$sitearchdir = CONFIG["sitearchdir"]
$vendordir = CONFIG["vendordir"]
$vendorlibdir = CONFIG["vendorlibdir"]
$vendorarchdir = CONFIG["vendorarchdir"]
$mswin = /mswin/ =~ RUBY_PLATFORM
$bccwin = /bccwin/ =~ RUBY_PLATFORM
$mingw = /mingw/ =~ RUBY_PLATFORM
$cygwin = /cygwin/ =~ RUBY_PLATFORM
$netbsd = /netbsd/ =~ RUBY_PLATFORM
$os2 = /os2/ =~ RUBY_PLATFORM
$beos = /beos/ =~ RUBY_PLATFORM
$haiku = /haiku/ =~ RUBY_PLATFORM
$solaris = /solaris/ =~ RUBY_PLATFORM
$universal = /universal/ =~ RUBY_PLATFORM
$dest_prefix_pattern = (File::PATH_SEPARATOR == ';' ? /\A([[:alpha:]]:)?/ : /\A/)
# :stopdoc:
def config_string(key, config = CONFIG)
s = config[key] and !s.empty? and block_given? ? yield(s) : s
end
def dir_re(dir)
Regexp.new('\$(?:\('+dir+'\)|\{'+dir+'\})(?:\$(?:\(target_prefix\)|\{target_prefix\}))?')
end
def relative_from(path, base)
dir = File.join(path, "")
if File.expand_path(dir) == File.expand_path(dir, base)
path
else
File.join(base, path)
end
end
INSTALL_DIRS = [
[dir_re('commondir'), "$(RUBYCOMMONDIR)"],
[dir_re('sitedir'), "$(RUBYCOMMONDIR)"],
[dir_re('vendordir'), "$(RUBYCOMMONDIR)"],
[dir_re('rubylibdir'), "$(RUBYLIBDIR)"],
[dir_re('archdir'), "$(RUBYARCHDIR)"],
[dir_re('sitelibdir'), "$(RUBYLIBDIR)"],
[dir_re('vendorlibdir'), "$(RUBYLIBDIR)"],
[dir_re('sitearchdir'), "$(RUBYARCHDIR)"],
[dir_re('vendorarchdir'), "$(RUBYARCHDIR)"],
[dir_re('rubyhdrdir'), "$(RUBYHDRDIR)"],
[dir_re('sitehdrdir'), "$(SITEHDRDIR)"],
[dir_re('vendorhdrdir'), "$(VENDORHDRDIR)"],
[dir_re('bindir'), "$(BINDIR)"],
]
def install_dirs(target_prefix = nil)
if $extout
dirs = [
['BINDIR', '$(extout)/bin'],
['RUBYCOMMONDIR', '$(extout)/common'],
['RUBYLIBDIR', '$(RUBYCOMMONDIR)$(target_prefix)'],
['RUBYARCHDIR', '$(extout)/$(arch)$(target_prefix)'],
['HDRDIR', '$(extout)/include/ruby$(target_prefix)'],
['ARCHHDRDIR', '$(extout)/include/$(arch)/ruby$(target_prefix)'],
['extout', "#$extout"],
['extout_prefix', "#$extout_prefix"],
]
elsif $extmk
dirs = [
['BINDIR', '$(bindir)'],
['RUBYCOMMONDIR', '$(rubylibdir)'],
['RUBYLIBDIR', '$(rubylibdir)$(target_prefix)'],
['RUBYARCHDIR', '$(archdir)$(target_prefix)'],
['HDRDIR', '$(rubyhdrdir)/ruby$(target_prefix)'],
['ARCHHDRDIR', '$(rubyhdrdir)/$(arch)/ruby$(target_prefix)'],
]
elsif $configure_args.has_key?('--vendor')
dirs = [
['BINDIR', '$(bindir)'],
['RUBYCOMMONDIR', '$(vendordir)$(target_prefix)'],
['RUBYLIBDIR', '$(vendorlibdir)$(target_prefix)'],
['RUBYARCHDIR', '$(vendorarchdir)$(target_prefix)'],
['HDRDIR', '$(rubyhdrdir)/ruby$(target_prefix)'],
['ARCHHDRDIR', '$(rubyhdrdir)/$(arch)/ruby$(target_prefix)'],
]
else
dirs = [
['BINDIR', '$(bindir)'],
['RUBYCOMMONDIR', '$(sitedir)$(target_prefix)'],
['RUBYLIBDIR', '$(sitelibdir)$(target_prefix)'],
['RUBYARCHDIR', '$(sitearchdir)$(target_prefix)'],
['HDRDIR', '$(rubyhdrdir)/ruby$(target_prefix)'],
['ARCHHDRDIR', '$(rubyhdrdir)/$(arch)/ruby$(target_prefix)'],
]
end
dirs << ['target_prefix', (target_prefix ? "/#{target_prefix}" : "")]
dirs
end
def map_dir(dir, map = nil)
map ||= INSTALL_DIRS
map.inject(dir) {|d, (orig, new)| d.gsub(orig, new)}
end
topdir = File.dirname(File.dirname(__FILE__))
path = File.expand_path($0)
$extmk = path[0, topdir.size+1] == topdir+"/"
$extmk &&= %r"\A(?:ext|enc|tool|test(?:/.+)?)\z" =~ File.dirname(path[topdir.size+1..-1])
$extmk &&= true
if not $extmk and File.exist?(($hdrdir = RbConfig::CONFIG["rubyhdrdir"]) + "/ruby/ruby.h")
$topdir = $hdrdir
$top_srcdir = $hdrdir
$arch_hdrdir = $hdrdir + "/$(arch)"
elsif File.exist?(($hdrdir = ($top_srcdir ||= topdir) + "/include") + "/ruby.h")
$topdir ||= RbConfig::CONFIG["topdir"]
$arch_hdrdir = "$(extout)/include/$(arch)"
else
abort "mkmf.rb can't find header files for ruby at #{$hdrdir}/ruby.h"
end
OUTFLAG = CONFIG['OUTFLAG']
COUTFLAG = CONFIG['COUTFLAG']
CPPOUTFILE = CONFIG['CPPOUTFILE']
CONFTEST_C = "conftest.c".freeze
class String
# Wraps a string in escaped quotes if it contains whitespace.
def quote
......
self[/\A[^()]+/]
end
end
class Array
# Wraps all strings in escaped quotes if they contain whitespace.
def quote
map {|s| s.quote}
end
end
# :startdoc:
def rm_f(*files)
opt = (Hash === files.last ? [files.pop] : [])
FileUtils.rm_f(Dir[*files.flatten], *opt)
end
module MakeMakefile
def rm_rf(*files)
opt = (Hash === files.last ? [files.pop] : [])
FileUtils.rm_rf(Dir[*files.flatten], *opt)
end
CONFIG = RbConfig::MAKEFILE_CONFIG
ORIG_LIBPATH = ENV['LIB']
# Returns time stamp of the +target+ file if it exists and is newer
# than or equal to all of +times+.
def modified?(target, times)
(t = File.mtime(target)) rescue return nil
Array === times or times = [times]
t if times.all? {|n| n <= t}
end
C_EXT = %w[c m]
CXX_EXT = %w[cc mm cxx cpp]
if File::FNM_SYSCASE.zero?
CXX_EXT.concat(%w[C])
end
SRC_EXT = C_EXT + CXX_EXT
$static = nil
$config_h = '$(arch_hdrdir)/ruby/config.h'
$default_static = $static
unless defined? $configure_args
$configure_args = {}
args = CONFIG["configure_args"]
if ENV["CONFIGURE_ARGS"]
args << " " << ENV["CONFIGURE_ARGS"]
end
for arg in Shellwords::shellwords(args)
arg, val = arg.split('=', 2)
next unless arg
arg.tr!('_', '-')
if arg.sub!(/^(?!--)/, '--')
val or next
arg.downcase!
end
next if /^--(?:top|topsrc|src|cur)dir$/ =~ arg
$configure_args[arg] = val || true
end
for arg in ARGV
arg, val = arg.split('=', 2)
next unless arg
arg.tr!('_', '-')
if arg.sub!(/^(?!--)/, '--')
val or next
arg.downcase!
end
$configure_args[arg] = val || true
end
end
$libdir = CONFIG["libdir"]
$rubylibdir = CONFIG["rubylibdir"]
$archdir = CONFIG["archdir"]
$sitedir = CONFIG["sitedir"]
$sitelibdir = CONFIG["sitelibdir"]
$sitearchdir = CONFIG["sitearchdir"]
$vendordir = CONFIG["vendordir"]
$vendorlibdir = CONFIG["vendorlibdir"]
$vendorarchdir = CONFIG["vendorarchdir"]
$mswin = /mswin/ =~ RUBY_PLATFORM
$bccwin = /bccwin/ =~ RUBY_PLATFORM
$mingw = /mingw/ =~ RUBY_PLATFORM
$cygwin = /cygwin/ =~ RUBY_PLATFORM
$netbsd = /netbsd/ =~ RUBY_PLATFORM
$os2 = /os2/ =~ RUBY_PLATFORM
$beos = /beos/ =~ RUBY_PLATFORM
$haiku = /haiku/ =~ RUBY_PLATFORM
$solaris = /solaris/ =~ RUBY_PLATFORM
$universal = /universal/ =~ RUBY_PLATFORM
$dest_prefix_pattern = (File::PATH_SEPARATOR == ';' ? /\A([[:alpha:]]:)?/ : /\A/)
# :stopdoc:
def config_string(key, config = CONFIG)
s = config[key] and !s.empty? and block_given? ? yield(s) : s
end
module_function :config_string
def dir_re(dir)
Regexp.new('\$(?:\('+dir+'\)|\{'+dir+'\})(?:\$(?:\(target_prefix\)|\{target_prefix\}))?')
end
module_function :dir_re
def relative_from(path, base)
dir = File.join(path, "")
if File.expand_path(dir) == File.expand_path(dir, base)
path
else
File.join(base, path)
end
end
def merge_libs(*libs)
libs.inject([]) do |x, y|
xy = x & y
xn = yn = 0
y = y.inject([]) {|ary, e| ary.last == e ? ary : ary << e}
y.each_with_index do |v, yi|
if xy.include?(v)
xi = [x.index(v), xn].max()
x[xi, 1] = y[yn..yi]
xn, yn = xi + (yi - yn + 1), yi + 1
INSTALL_DIRS = [
[dir_re('commondir'), "$(RUBYCOMMONDIR)"],
[dir_re('sitedir'), "$(RUBYCOMMONDIR)"],
[dir_re('vendordir'), "$(RUBYCOMMONDIR)"],
[dir_re('rubylibdir'), "$(RUBYLIBDIR)"],
[dir_re('archdir'), "$(RUBYARCHDIR)"],
[dir_re('sitelibdir'), "$(RUBYLIBDIR)"],
[dir_re('vendorlibdir'), "$(RUBYLIBDIR)"],
[dir_re('sitearchdir'), "$(RUBYARCHDIR)"],
[dir_re('vendorarchdir'), "$(RUBYARCHDIR)"],
[dir_re('rubyhdrdir'), "$(RUBYHDRDIR)"],
[dir_re('sitehdrdir'), "$(SITEHDRDIR)"],
[dir_re('vendorhdrdir'), "$(VENDORHDRDIR)"],
[dir_re('bindir'), "$(BINDIR)"],
]
def install_dirs(target_prefix = nil)
if $extout
dirs = [
['BINDIR', '$(extout)/bin'],
['RUBYCOMMONDIR', '$(extout)/common'],
['RUBYLIBDIR', '$(RUBYCOMMONDIR)$(target_prefix)'],
['RUBYARCHDIR', '$(extout)/$(arch)$(target_prefix)'],
['HDRDIR', '$(extout)/include/ruby$(target_prefix)'],
['ARCHHDRDIR', '$(extout)/include/$(arch)/ruby$(target_prefix)'],
['extout', "#$extout"],
['extout_prefix', "#$extout_prefix"],
]
elsif $extmk
dirs = [
['BINDIR', '$(bindir)'],
['RUBYCOMMONDIR', '$(rubylibdir)'],
['RUBYLIBDIR', '$(rubylibdir)$(target_prefix)'],
['RUBYARCHDIR', '$(archdir)$(target_prefix)'],
['HDRDIR', '$(rubyhdrdir)/ruby$(target_prefix)'],
['ARCHHDRDIR', '$(rubyhdrdir)/$(arch)/ruby$(target_prefix)'],
]
elsif $configure_args.has_key?('--vendor')
dirs = [
['BINDIR', '$(bindir)'],
['RUBYCOMMONDIR', '$(vendordir)$(target_prefix)'],
['RUBYLIBDIR', '$(vendorlibdir)$(target_prefix)'],
['RUBYARCHDIR', '$(vendorarchdir)$(target_prefix)'],
['HDRDIR', '$(rubyhdrdir)/ruby$(target_prefix)'],
['ARCHHDRDIR', '$(rubyhdrdir)/$(arch)/ruby$(target_prefix)'],
]
else
dirs = [
['BINDIR', '$(bindir)'],
['RUBYCOMMONDIR', '$(sitedir)$(target_prefix)'],
['RUBYLIBDIR', '$(sitelibdir)$(target_prefix)'],
['RUBYARCHDIR', '$(sitearchdir)$(target_prefix)'],
['HDRDIR', '$(rubyhdrdir)/ruby$(target_prefix)'],
['ARCHHDRDIR', '$(rubyhdrdir)/$(arch)/ruby$(target_prefix)'],
]
end
dirs << ['target_prefix', (target_prefix ? "/#{target_prefix}" : "")]
dirs
end
def map_dir(dir, map = nil)
map ||= INSTALL_DIRS
map.inject(dir) {|d, (orig, new)| d.gsub(orig, new)}
end
topdir = File.dirname(File.dirname(__FILE__))
path = File.expand_path($0)
$extmk = path[0, topdir.size+1] == topdir+"/"
$extmk &&= %r"\A(?:ext|enc|tool|test(?:/.+)?)\z" =~ File.dirname(path[topdir.size+1..-1])
$extmk &&= true
if not $extmk and File.exist?(($hdrdir = RbConfig::CONFIG["rubyhdrdir"]) + "/ruby/ruby.h")
$topdir = $hdrdir
$top_srcdir = $hdrdir
$arch_hdrdir = $hdrdir + "/$(arch)"
elsif File.exist?(($hdrdir = ($top_srcdir ||= topdir) + "/include") + "/ruby.h")
$topdir ||= RbConfig::CONFIG["topdir"]
$arch_hdrdir = "$(extout)/include/$(arch)"
else
abort "mkmf.rb can't find header files for ruby at #{$hdrdir}/ruby.h"
end
OUTFLAG = CONFIG['OUTFLAG']
COUTFLAG = CONFIG['COUTFLAG']
CPPOUTFILE = CONFIG['CPPOUTFILE']
CONFTEST_C = "conftest.c".freeze
def rm_f(*files)
opt = (Hash === files.last ? [files.pop] : [])
FileUtils.rm_f(Dir[*files.flatten], *opt)
end
def rm_rf(*files)
opt = (Hash === files.last ? [files.pop] : [])
FileUtils.rm_rf(Dir[*files.flatten], *opt)
end
# Returns time stamp of the +target+ file if it exists and is newer
# than or equal to all of +times+.
def modified?(target, times)
(t = File.mtime(target)) rescue return nil
Array === times or times = [times]
t if times.all? {|n| n <= t}
end
def merge_libs(*libs)
libs.inject([]) do |x, y|
xy = x & y
xn = yn = 0
y = y.inject([]) {|ary, e| ary.last == e ? ary : ary << e}
y.each_with_index do |v, yi|
if xy.include?(v)
xi = [x.index(v), xn].max()
x[xi, 1] = y[yn..yi]
xn, yn = xi + (yi - yn + 1), yi + 1
end
end
x.concat(y[yn..-1] || [])
end
x.concat(y[yn..-1] || [])
end
end
# This is a custom logging module. It generates an mkmf.log file when you
# run your extconf.rb script. This can be useful for debugging unexpected
# failures.
#
# This module and its associated methods are meant for internal use only.
#
module Logging
@log = nil
@logfile = 'mkmf.log'
@orgerr = $stderr.dup
@orgout = $stdout.dup
@postpone = 0
@quiet = $extmk
def self::log_open
@log ||= File::open(@logfile, 'wb')
@log.sync = true
end
def self::open
log_open
$stderr.reopen(@log)
$stdout.reopen(@log)
yield
ensure
$stderr.reopen(@orgerr)
$stdout.reopen(@orgout)
end
# This is a custom logging module. It generates an mkmf.log file when you
# run your extconf.rb script. This can be useful for debugging unexpected
# failures.
#
# This module and its associated methods are meant for internal use only.
#
module Logging
@log = nil
@logfile = 'mkmf.log'
@orgerr = $stderr.dup
@orgout = $stdout.dup
@postpone = 0
@quiet = $extmk
def self::log_open
@log ||= File::open(@logfile, 'wb')
@log.sync = true
end
def self::open
log_open
$stderr.reopen(@log)
$stdout.reopen(@log)
yield
ensure
$stderr.reopen(@orgerr)
$stdout.reopen(@orgout)
end
def self::message(*s)
log_open
@log.printf(*s)
end
def self::message(*s)
log_open
@log.printf(*s)
end
def self::logfile file
@logfile = file
log_close
end
def self::logfile file
@logfile = file
log_close
end
def self::log_close
if @log and not @log.closed?
@log.flush
@log.close
@log = nil
def self::log_close
if @log and not @log.closed?
@log.flush
@log.close
@log = nil
end
end
end
def self::postpone
tmplog = "mkmftmp#{@postpone += 1}.log"
open do
log, *save = @log, @logfile, @orgout, @orgerr
@log, @logfile, @orgout, @orgerr = nil, tmplog, log, log
begin
log.print(open {yield @log})
ensure
@log.close if @log and not @log.closed?
File::open(tmplog) {|t| FileUtils.copy_stream(t, log)} if File.exist?(tmplog)
@log, @logfile, @orgout, @orgerr = log, *save
@postpone -= 1
rm_f tmplog
def self::postpone
tmplog = "mkmftmp#{@postpone += 1}.log"
open do
log, *save = @log, @logfile, @orgout, @orgerr
@log, @logfile, @orgout, @orgerr = nil, tmplog, log, log
begin
log.print(open {yield @log})
ensure
@log.close if @log and not @log.closed?
File::open(tmplog) {|t| FileUtils.copy_stream(t, log)} if File.exist?(tmplog)
@log, @logfile, @orgout, @orgerr = log, *save
@postpone -= 1
rm_f tmplog
end
end
end
end
class << self
attr_accessor :quiet
class << self
attr_accessor :quiet
end
end
end
def xsystem command, opts = nil
varpat = /\$\((\w+)\)|\$\{(\w+)\}/
if varpat =~ command
vars = Hash.new {|h, k| h[k] = ''; ENV[k]}
command = command.dup
nil while command.gsub!(varpat) {vars[$1||$2]}
end
Logging::open do
puts command.quote
if opts and opts[:werror]
result = nil
Logging.postpone do |log|
result = (system(command) and File.zero?(log.path))
""
def xsystem command, opts = nil
varpat = /\$\((\w+)\)|\$\{(\w+)\}/
if varpat =~ command
vars = Hash.new {|h, k| h[k] = ''; ENV[k]}
command = command.dup
nil while command.gsub!(varpat) {vars[$1||$2]}
end
Logging::open do
puts command.quote
if opts and opts[:werror]
result = nil
Logging.postpone do |log|
result = (system(command) and File.zero?(log.path))
""
end
result
else
system(command)
end
result
else
system(command)
end
end
end
def xpopen command, *mode, &block
Logging::open do
case mode[0]
when nil, /^r/
puts "#{command} |"
else
puts "| #{command}"
def xpopen command, *mode, &block
Logging::open do
case mode[0]
when nil, /^r/
puts "#{command} |"
else
puts "| #{command}"
end
IO.popen(command, *mode, &block)
end
IO.popen(command, *mode, &block)
end
end
def log_src(src)
src = src.split(/^/)
fmt = "%#{src.size.to_s.size}d: %s"
Logging::message <<"EOM"
def log_src(src)
src = src.split(/^/)
fmt = "%#{src.size.to_s.size}d: %s"
Logging::message <<"EOM"
checked program was:
/* begin */
EOM
src.each_with_index {|line, no| Logging::message fmt, no+1, line}
Logging::message <<"EOM"
src.each_with_index {|line, no| Logging::message fmt, no+1, line}
Logging::message <<"EOM"
/* end */
EOM
end
end
def create_tmpsrc(src)
src = "#{COMMON_HEADERS}\n#{src}"
src = yield(src) if block_given?
src.gsub!(/[ \t]+$/, '')
src.gsub!(/\A\n+|^\n+$/, '')
src.sub!(/[^\n]\z/, "\\&\n")
count = 0
begin
open(CONFTEST_C, "wb") do |cfile|
cfile.print src
end
rescue Errno::EACCES
if (count += 1) < 5
sleep 0.2
retry
def create_tmpsrc(src)
src = "#{COMMON_HEADERS}\n#{src}"
src = yield(src) if block_given?
src.gsub!(/[ \t]+$/, '')
src.gsub!(/\A\n+|^\n+$/, '')
src.sub!(/[^\n]\z/, "\\&\n")
count = 0
begin
open(CONFTEST_C, "wb") do |cfile|
cfile.print src
end
rescue Errno::EACCES
if (count += 1) < 5
sleep 0.2
retry
end
end
src
end
src
end
def have_devel?
unless defined? $have_devel
$have_devel = true
$have_devel = try_link(MAIN_DOES_NOTHING)
def have_devel?
unless defined? $have_devel
$have_devel = true
$have_devel = try_link(MAIN_DOES_NOTHING)
end
$have_devel
end
$have_devel
end
def try_do(src, command, *opts, &b)
unless have_devel?
raise <<MSG
def try_do(src, command, *opts, &b)
unless have_devel?
raise <<MSG
The compiler failed to generate an executable file.
You have to install development tools first.
MSG
end
begin
src = create_tmpsrc(src, &b)
xsystem(command, *opts)
ensure
log_src(src)
rm_rf 'conftest.dSYM'
end
end
begin
src = create_tmpsrc(src, &b)
xsystem(command, *opts)
ensure
log_src(src)
rm_rf 'conftest.dSYM'
end
end
def link_command(ldflags, opt="", libpath=$DEFLIBPATH|$LIBPATH)
librubyarg = $extmk ? $LIBRUBYARG_STATIC : "$(LIBRUBYARG)"
conf = RbConfig::CONFIG.merge('hdrdir' => $hdrdir.quote,
'src' => "#{CONFTEST_C}",
'arch_hdrdir' => $arch_hdrdir.quote,
'top_srcdir' => $top_srcdir.quote,
'INCFLAGS' => "#$INCFLAGS",
'CPPFLAGS' => "#$CPPFLAGS",
'CFLAGS' => "#$CFLAGS",
'ARCH_FLAG' => "#$ARCH_FLAG",
'LDFLAGS' => "#$LDFLAGS #{ldflags}",
'LOCAL_LIBS' => "#$LOCAL_LIBS #$libs",
'LIBS' => "#{librubyarg} #{opt} #$LIBS")
conf['LIBPATH'] = libpathflag(libpath.map {|s| RbConfig::expand(s.dup, conf)})
RbConfig::expand(TRY_LINK.dup, conf)
end
def cc_command(opt="")
conf = RbConfig::CONFIG.merge('hdrdir' => $hdrdir.quote, 'srcdir' => $srcdir.quote,
'arch_hdrdir' => $arch_hdrdir.quote,
'top_srcdir' => $top_srcdir.quote)
RbConfig::expand("$(CC) #$INCFLAGS #$CPPFLAGS #$CFLAGS #$ARCH_FLAG #{opt} -c #{CONFTEST_C}",
conf)
end
def cpp_command(outfile, opt="")
conf = RbConfig::CONFIG.merge('hdrdir' => $hdrdir.quote, 'srcdir' => $srcdir.quote,
'arch_hdrdir' => $arch_hdrdir.quote,
'top_srcdir' => $top_srcdir.quote)
if $universal and (arch_flag = conf['ARCH_FLAG']) and !arch_flag.empty?
conf['ARCH_FLAG'] = arch_flag.gsub(/(?:\G|\s)-arch\s+\S+/, '')
def link_command(ldflags, opt="", libpath=$DEFLIBPATH|$LIBPATH)
librubyarg = $extmk ? $LIBRUBYARG_STATIC : "$(LIBRUBYARG)"
conf = RbConfig::CONFIG.merge('hdrdir' => $hdrdir.quote,
'src' => "#{CONFTEST_C}",
'arch_hdrdir' => $arch_hdrdir.quote,
'top_srcdir' => $top_srcdir.quote,
'INCFLAGS' => "#$INCFLAGS",
'CPPFLAGS' => "#$CPPFLAGS",
'CFLAGS' => "#$CFLAGS",
'ARCH_FLAG' => "#$ARCH_FLAG",
'LDFLAGS' => "#$LDFLAGS #{ldflags}",
'LOCAL_LIBS' => "#$LOCAL_LIBS #$libs",
'LIBS' => "#{librubyarg} #{opt} #$LIBS")
conf['LIBPATH'] = libpathflag(libpath.map {|s| RbConfig::expand(s.dup, conf)})
RbConfig::expand(TRY_LINK.dup, conf)
end
def cc_command(opt="")
conf = RbConfig::CONFIG.merge('hdrdir' => $hdrdir.quote, 'srcdir' => $srcdir.quote,
'arch_hdrdir' => $arch_hdrdir.quote,
'top_srcdir' => $top_srcdir.quote)
RbConfig::expand("$(CC) #$INCFLAGS #$CPPFLAGS #$CFLAGS #$ARCH_FLAG #{opt} -c #{CONFTEST_C}",
conf)
end
def cpp_command(outfile, opt="")
conf = RbConfig::CONFIG.merge('hdrdir' => $hdrdir.quote, 'srcdir' => $srcdir.quote,
'arch_hdrdir' => $arch_hdrdir.quote,
'top_srcdir' => $top_srcdir.quote)
if $universal and (arch_flag = conf['ARCH_FLAG']) and !arch_flag.empty?
conf['ARCH_FLAG'] = arch_flag.gsub(/(?:\G|\s)-arch\s+\S+/, '')
end
RbConfig::expand("$(CPP) #$INCFLAGS #$CPPFLAGS #$CFLAGS #{opt} #{CONFTEST_C} #{outfile}",
conf)
end
def libpathflag(libpath=$DEFLIBPATH|$LIBPATH)
libpath.map{|x|
case x
when "$(topdir)", /\A\./
LIBPATHFLAG
else
LIBPATHFLAG+RPATHFLAG
end % x.quote
}.join
end
RbConfig::expand("$(CPP) #$INCFLAGS #$CPPFLAGS #$CFLAGS #{opt} #{CONFTEST_C} #{outfile}",
conf)
end
def libpathflag(libpath=$DEFLIBPATH|$LIBPATH)
libpath.map{|x|
case x
when "$(topdir)", /\A\./
LIBPATHFLAG
else
LIBPATHFLAG+RPATHFLAG
end % x.quote
}.join
end
def with_werror(opt, opts = nil)
if opts
if opts[:werror] and config_string("WERRORFLAG") {|flag| opt = opt ? "#{opt} #{flag}" : flag}
(opts = opts.dup).delete(:werror)
def with_werror(opt, opts = nil)
if opts
if opts[:werror] and config_string("WERRORFLAG") {|flag| opt = opt ? "#{opt} #{flag}" : flag}
(opts = opts.dup).delete(:werror)
end
yield(opt, opts)
else
yield(opt)
end
yield(opt, opts)
else
yield(opt)
end
end
# :nodoc:
def try_link0(src, opt="", *opts, &b)
cmd = link_command("", opt)
if $universal
require 'tmpdir'
Dir.mktmpdir("mkmf_", oldtmpdir = ENV["TMPDIR"]) do |tmpdir|
begin
ENV["TMPDIR"] = tmpdir
try_do(src, cmd, *opts, &b)
ensure
ENV["TMPDIR"] = oldtmpdir
# :nodoc:
def try_link0(src, opt="", *opts, &b)
cmd = link_command("", opt)
if $universal
require 'tmpdir'
Dir.mktmpdir("mkmf_", oldtmpdir = ENV["TMPDIR"]) do |tmpdir|
begin
ENV["TMPDIR"] = tmpdir
try_do(src, cmd, *opts, &b)
ensure
ENV["TMPDIR"] = oldtmpdir
end
end
else
try_do(src, cmd, *opts, &b)
end
else
try_do(src, cmd, *opts, &b)
end
end
# Returns whether or not the +src+ can be compiled as a C source and
# linked with its depending libraries successfully.
# +opt+ is passed to the linker as options. Note that +$CFLAGS+ and +$LDFLAGS+
# are also passed to the linker.
#
# If a block given, it is called with the source before compilation. You can
# modify the source in the block.
#
# [+src+] a String which contains a C source
# [+opt+] a String which contains linker options
def try_link(src, opt="", *opts, &b)
try_link0(src, opt, *opts, &b)
ensure
rm_f "conftest*", "c0x32*"
end
# Returns whether or not the +src+ can be compiled as a C source.
# +opt+ is passed to the C compiler as options. Note that +$CFLAGS+ is
# also passed to the compiler.
#
# If a block given, it is called with the source before compilation. You can
# modify the source in the block.
#
# [+src+] a String which contains a C source
# [+opt+] a String which contains compiler options
def try_compile(src, opt="", *opts, &b)
with_werror(opt, *opts) {|_opt, *_opts| try_do(src, cc_command(_opt), *_opts, &b)}
ensure
rm_f "conftest*"
end
# Returns whether or not the +src+ can be compiled as a C source and
# linked with its depending libraries successfully.
# +opt+ is passed to the linker as options. Note that +$CFLAGS+ and +$LDFLAGS+
# are also passed to the linker.
#
# If a block given, it is called with the source before compilation. You can
# modify the source in the block.
#
# [+src+] a String which contains a C source
# [+opt+] a String which contains linker options
def try_link(src, opt="", *opts, &b)
try_link0(src, opt, *opts, &b)
ensure
rm_f "conftest*", "c0x32*"
end
# Returns whether or not the +src+ can be preprocessed with the C preprocessor.
# +opt+ is passed to the preprocessor as options. Note that +$CFLAGS+ is
# also passed to the preprocessor.
#
# If a block given, it is called with the source before preprocessing. You can
# modify the source in the block.
#
# [+src+] a String which contains a C source
# [+opt+] a String which contains preprocessor options
def try_cpp(src, opt="", *opts, &b)
try_do(src, cpp_command(CPPOUTFILE, opt), *opts, &b)
ensure
rm_f "conftest*"
end
# Returns whether or not the +src+ can be compiled as a C source.
# +opt+ is passed to the C compiler as options. Note that +$CFLAGS+ is
# also passed to the compiler.
#
# If a block given, it is called with the source before compilation. You can
# modify the source in the block.
#
# [+src+] a String which contains a C source
# [+opt+] a String which contains compiler options
def try_compile(src, opt="", *opts, &b)
with_werror(opt, *opts) {|_opt, *_opts| try_do(src, cc_command(_opt), *_opts, &b)}
ensure
rm_f "conftest*"
end
class Object
alias_method :try_header, (config_string('try_header') || :try_cpp)
end
# Returns whether or not the +src+ can be preprocessed with the C preprocessor.
# +opt+ is passed to the preprocessor as options. Note that +$CFLAGS+ is
# also passed to the preprocessor.
#
# If a block given, it is called with the source before preprocessing. You can
# modify the source in the block.
#
# [+src+] a String which contains a C source
# [+opt+] a String which contains preprocessor options
def try_cpp(src, opt="", *opts, &b)
try_do(src, cpp_command(CPPOUTFILE, opt), *opts, &b)
ensure
rm_f "conftest*"
end
def cpp_include(header)
if header
header = [header] unless header.kind_of? Array
header.map {|h| String === h ? "#include <#{h}>\n" : h}.join
else
""
def cpp_include(header)
if header
header = [header] unless header.kind_of? Array
header.map {|h| String === h ? "#include <#{h}>\n" : h}.join
else
""
end
end
end
def with_cppflags(flags)
cppflags = $CPPFLAGS
$CPPFLAGS = flags
ret = yield
ensure
$CPPFLAGS = cppflags unless ret
end
def with_cppflags(flags)
cppflags = $CPPFLAGS
$CPPFLAGS = flags
ret = yield
ensure
$CPPFLAGS = cppflags unless ret
end
def with_cflags(flags)
cflags = $CFLAGS
$CFLAGS = flags
ret = yield
ensure
$CFLAGS = cflags unless ret
end
def with_cflags(flags)
cflags = $CFLAGS
$CFLAGS = flags
ret = yield
ensure
$CFLAGS = cflags unless ret
end
def with_ldflags(flags)
ldflags = $LDFLAGS
$LDFLAGS = flags
ret = yield
ensure
$LDFLAGS = ldflags unless ret
end
def with_ldflags(flags)
ldflags = $LDFLAGS
$LDFLAGS = flags
ret = yield
ensure
$LDFLAGS = ldflags unless ret
end
def try_static_assert(expr, headers = nil, opt = "", &b)
headers = cpp_include(headers)
try_compile(<<SRC, opt, &b)
def try_static_assert(expr, headers = nil, opt = "", &b)
headers = cpp_include(headers)
try_compile(<<SRC, opt, &b)
#{headers}
/*top*/
int conftest_const[(#{expr}) ? 1 : -1];
SRC
end
end
def try_constant(const, headers = nil, opt = "", &b)
includes = cpp_include(headers)
if CROSS_COMPILING
if try_static_assert("#{const} > 0", headers, opt)
# positive constant
elsif try_static_assert("#{const} < 0", headers, opt)
neg = true
const = "-(#{const})"
elsif try_static_assert("#{const} == 0", headers, opt)
return 0
else
# not a constant
return nil
end
upper = 1
lower = 0
until try_static_assert("#{const} <= #{upper}", headers, opt)
lower = upper
upper <<= 1
end
return nil unless lower
while upper > lower + 1
mid = (upper + lower) / 2
if try_static_assert("#{const} > #{mid}", headers, opt)
lower = mid
def try_constant(const, headers = nil, opt = "", &b)
includes = cpp_include(headers)
if CROSS_COMPILING
if try_static_assert("#{const} > 0", headers, opt)
# positive constant
elsif try_static_assert("#{const} < 0", headers, opt)
neg = true
const = "-(#{const})"
elsif try_static_assert("#{const} == 0", headers, opt)
return 0
else
upper = mid
# not a constant
return nil
end
end
upper = -upper if neg
return upper
else
src = %{#{includes}
upper = 1
lower = 0
until try_static_assert("#{const} <= #{upper}", headers, opt)
lower = upper
upper <<= 1
end
return nil unless lower
while upper > lower + 1
mid = (upper + lower) / 2
if try_static_assert("#{const} > #{mid}", headers, opt)
lower = mid
else
upper = mid
end
end
upper = -upper if neg
return upper
else
src = %{#{includes}
#include <stdio.h>
/*top*/
int conftest_const = (int)(#{const});
int main() {printf("%d\\n", conftest_const); return 0;}
}
if try_link0(src, opt, &b)
xpopen("./conftest") do |f|
return Integer(f.gets)
if try_link0(src, opt, &b)
xpopen("./conftest") do |f|
return Integer(f.gets)
end
end
end
nil
end
nil
end
# You should use +have_func+ rather than +try_func+.
#
# [+func+] a String which contains a symbol name
# [+libs+] a String which contains library names.
# [+headers+] a String or an Array of strings which contains
# names of header files.
def try_func(func, libs, headers = nil, opt = "", &b)
headers = cpp_include(headers)
case func
when /^&/
decltype = proc {|x|"const volatile void *#{x}"}
when /\)$/
call = func
else
call = "#{func}()"
decltype = proc {|x| "void ((*#{x})())"}
end
if opt and !opt.empty?
[[:to_str], [:join, " "], [:to_s]].each do |meth, *args|
if opt.respond_to?(meth)
break opt = opt.send(meth, *args)
# You should use +have_func+ rather than +try_func+.
#
# [+func+] a String which contains a symbol name
# [+libs+] a String which contains library names.
# [+headers+] a String or an Array of strings which contains
# names of header files.
def try_func(func, libs, headers = nil, opt = "", &b)
headers = cpp_include(headers)
case func
when /^&/
decltype = proc {|x|"const volatile void *#{x}"}
when /\)$/
call = func
else
call = "#{func}()"
decltype = proc {|x| "void ((*#{x})())"}
end
if opt and !opt.empty?
[[:to_str], [:join, " "], [:to_s]].each do |meth, *args|
if opt.respond_to?(meth)
break opt = opt.send(meth, *args)
end
end
opt = "#{opt} #{libs}"
else
opt = libs
end
opt = "#{opt} #{libs}"
else
opt = libs
end
decltype && try_link(<<"SRC", opt, &b) or
decltype && try_link(<<"SRC", opt, &b) or
#{headers}
/*top*/
#{MAIN_DOES_NOTHING}
int t() { #{decltype["volatile p"]}; p = (#{decltype[]})#{func}; return 0; }
SRC
call && try_link(<<"SRC", opt, &b)
call && try_link(<<"SRC", opt, &b)
#{headers}
/*top*/
#{MAIN_DOES_NOTHING}
int t() { #{call}; return 0; }
int t() { #{func}(); return 0; }
SRC
end
end
# You should use +have_var+ rather than +try_var+.
def try_var(var, headers = nil, opt = "", &b)
headers = cpp_include(headers)
try_compile(<<"SRC", opt, &b)
# You should use +have_var+ rather than +try_var+.
def try_var(var, headers = nil, opt = "", &b)
headers = cpp_include(headers)
try_compile(<<"SRC", opt, &b)
#{headers}
/*top*/
#{MAIN_DOES_NOTHING}
int t() { const volatile void *volatile p; p = &(&#{var})[0]; return 0; }
SRC
end
end
# Returns whether or not the +src+ can be preprocessed with the C preprocessor and
# matches with +pat+.
#
# If a block given, it is called with the source before compilation. You can
# modify the source in the block.
#
# [+pat+] a Regexp or a String
# [+src+] a String which contains a C source
# [+opt+] a String which contains preprocessor options
#
# Note:
# When pat is a Regexp the matching will be checked in process,
# otherwise egrep(1) will be invoked to check it.
def egrep_cpp(pat, src, opt = "", &b)
src = create_tmpsrc(src, &b)
xpopen(cpp_command('', opt)) do |f|
if Regexp === pat
puts(" ruby -ne 'print if #{pat.inspect}'")
f.grep(pat) {|l|
puts "#{f.lineno}: #{l}"
return true
}
false
else
puts(" egrep '#{pat}'")
begin
stdin = $stdin.dup
$stdin.reopen(f)
system("egrep", pat)
ensure
$stdin.reopen(stdin)
# Returns whether or not the +src+ can be preprocessed with the C preprocessor and
# matches with +pat+.
#
# If a block given, it is called with the source before compilation. You can
# modify the source in the block.
#
# [+pat+] a Regexp or a String
# [+src+] a String which contains a C source
# [+opt+] a String which contains preprocessor options
#
# Note:
# When pat is a Regexp the matching will be checked in process,
# otherwise egrep(1) will be invoked to check it.
def egrep_cpp(pat, src, opt = "", &b)
src = create_tmpsrc(src, &b)
xpopen(cpp_command('', opt)) do |f|
if Regexp === pat
puts(" ruby -ne 'print if #{pat.inspect}'")
f.grep(pat) {|l|
puts "#{f.lineno}: #{l}"
return true
}
false
else
puts(" egrep '#{pat}'")
begin
stdin = $stdin.dup
$stdin.reopen(f)
system("egrep", pat)
ensure
$stdin.reopen(stdin)
end
end
end
ensure
rm_f "conftest*"
log_src(src)
end
ensure
rm_f "conftest*"
log_src(src)
end
# This is used internally by the have_macro? method.
def macro_defined?(macro, src, opt = "", &b)
src = src.sub(/[^\n]\z/, "\\&\n")
try_compile(src + <<"SRC", opt, &b)
# This is used internally by the have_macro? method.
def macro_defined?(macro, src, opt = "", &b)
src = src.sub(/[^\n]\z/, "\\&\n")
try_compile(src + <<"SRC", opt, &b)
/*top*/
#ifndef #{macro}
# error
>>>>>> #{macro} undefined <<<<<<
#endif
SRC
end
end
# Returns whether or not
# * the +src+ can be compiled as a C source,
# * the result object can be linked with its depending libraries successfully,
# * the linked file can be invoked as an executable
# * and the executable exits successfully
# +opt+ is passed to the linker as options. Note that +$CFLAGS+ and +$LDFLAGS+
# are also passed to the linker.
#
# If a block given, it is called with the source before compilation. You can
# modify the source in the block.
#
# [+src+] a String which contains a C source
# [+opt+] a String which contains linker options
#
# @return true when the executable exits successfully, false when it fails, or
# nil when preprocessing, compilation or link fails.
def try_run(src, opt = "", &b)
if try_link0(src, opt, &b)
xsystem("./conftest")
else
nil
# Returns whether or not
# * the +src+ can be compiled as a C source,
# * the result object can be linked with its depending libraries successfully,
# * the linked file can be invoked as an executable
# * and the executable exits successfully
# +opt+ is passed to the linker as options. Note that +$CFLAGS+ and +$LDFLAGS+
# are also passed to the linker.
#
# If a block given, it is called with the source before compilation. You can
# modify the source in the block.
#
# [+src+] a String which contains a C source
# [+opt+] a String which contains linker options
#
# @return true when the executable exits successfully, false when it fails, or
# nil when preprocessing, compilation or link fails.
def try_run(src, opt = "", &b)
if try_link0(src, opt, &b)
xsystem("./conftest")
else
nil
end
ensure
rm_f "conftest*"
end
ensure
rm_f "conftest*"
end
def install_files(mfile, ifiles, map = nil, srcprefix = nil)
ifiles or return
ifiles.empty? and return
srcprefix ||= "$(srcdir)/#{srcprefix}".chomp('/')
RbConfig::expand(srcdir = srcprefix.dup)
dirs = []
path = Hash.new {|h, i| h[i] = dirs.push([i])[-1]}
ifiles.each do |files, dir, prefix|
dir = map_dir(dir, map)
prefix &&= %r|\A#{Regexp.quote(prefix)}/?|
if /\A\.\// =~ files
# install files which are in current working directory.
files = files[2..-1]
len = nil
else
# install files which are under the $(srcdir).
files = File.join(srcdir, files)
len = srcdir.size
end
f = nil
Dir.glob(files) do |fx|
f = fx
f[0..len] = "" if len
case File.basename(f)
when *$NONINSTALLFILES
next
def install_files(mfile, ifiles, map = nil, srcprefix = nil)
ifiles or return
ifiles.empty? and return
srcprefix ||= "$(srcdir)/#{srcprefix}".chomp('/')
RbConfig::expand(srcdir = srcprefix.dup)
dirs = []
path = Hash.new {|h, i| h[i] = dirs.push([i])[-1]}
ifiles.each do |files, dir, prefix|
dir = map_dir(dir, map)
prefix &&= %r|\A#{Regexp.quote(prefix)}/?|
if /\A\.\// =~ files
# install files which are in current working directory.
files = files[2..-1]
len = nil
else
# install files which are under the $(srcdir).
files = File.join(srcdir, files)
len = srcdir.size
end
f = nil
Dir.glob(files) do |fx|
f = fx
f[0..len] = "" if len
case File.basename(f)
when *$NONINSTALLFILES
next
end
d = File.dirname(f)
d.sub!(prefix, "") if prefix
d = (d.empty? || d == ".") ? dir : File.join(dir, d)
f = File.join(srcprefix, f) if len
path[d] << f
end
unless len or f
d = File.dirname(files)
d.sub!(prefix, "") if prefix
d = (d.empty? || d == ".") ? dir : File.join(dir, d)
path[d] << files
end
d = File.dirname(f)
d.sub!(prefix, "") if prefix
d = (d.empty? || d == ".") ? dir : File.join(dir, d)
f = File.join(srcprefix, f) if len
path[d] << f
end
unless len or f
d = File.dirname(files)
d.sub!(prefix, "") if prefix
d = (d.empty? || d == ".") ? dir : File.join(dir, d)
path[d] << files
end
dirs
end
dirs
end
def install_rb(mfile, dest, srcdir = nil)
install_files(mfile, [["lib/**/*.rb", dest, "lib"]], nil, srcdir)
end
def install_rb(mfile, dest, srcdir = nil)
install_files(mfile, [["lib/**/*.rb", dest, "lib"]], nil, srcdir)
end
def append_library(libs, lib) # :no-doc:
format(LIBARG, lib) + " " + libs
end
def append_library(libs, lib) # :no-doc:
format(LIBARG, lib) + " " + libs
end
def message(*s)
unless Logging.quiet and not $VERBOSE
printf(*s)
$stdout.flush
def message(*s)
unless Logging.quiet and not $VERBOSE
printf(*s)
$stdout.flush
end
end
end
# This emits a string to stdout that allows users to see the results of the
# various have* and find* methods as they are tested.
#
# Internal use only.
#
def checking_for(m, fmt = nil)
f = caller[0][/in `([^<].*)'$/, 1] and f << ": " #` for vim #'
m = "checking #{/\Acheck/ =~ f ? '' : 'for '}#{m}... "
message "%s", m
a = r = nil
Logging::postpone do
r = yield
a = (fmt ? "#{fmt % r}" : r ? "yes" : "no") << "\n"
"#{f}#{m}-------------------- #{a}\n"
end
message(a)
Logging::message "--------------------\n\n"
r
end
# This emits a string to stdout that allows users to see the results of the
# various have* and find* methods as they are tested.
#
# Internal use only.
#
def checking_for(m, fmt = nil)
f = caller[0][/in `([^<].*)'$/, 1] and f << ": " #` for vim #'
m = "checking #{/\Acheck/ =~ f ? '' : 'for '}#{m}... "
message "%s", m
a = r = nil
Logging::postpone do
r = yield
a = (fmt ? "#{fmt % r}" : r ? "yes" : "no") << "\n"
"#{f}#{m}-------------------- #{a}\n"
end
message(a)
Logging::message "--------------------\n\n"
r
end
def checking_message(target, place = nil, opt = nil)
[["in", place], ["with", opt]].inject("#{target}") do |msg, (pre, noun)|
if noun
[[:to_str], [:join, ","], [:to_s]].each do |meth, *args|
if noun.respond_to?(meth)
break noun = noun.send(meth, *args)
def checking_message(target, place = nil, opt = nil)
[["in", place], ["with", opt]].inject("#{target}") do |msg, (pre, noun)|
if noun
[[:to_str], [:join, ","], [:to_s]].each do |meth, *args|
if noun.respond_to?(meth)
break noun = noun.send(meth, *args)
end
end
msg << " #{pre} #{noun}" unless noun.empty?
end
msg << " #{pre} #{noun}" unless noun.empty?
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