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	informations from existing Makefile. * ext/socket/extconf.rb: check if getaddrinfo() works fine only when wide-getaddrinfo option is not given. fixed: [ruby-dev:25422] * ext/tk/extconf.rb: separate tkutil configuration. * lib/mkmf.rb ($extmk): check if under ext directory. * lib/mkmf.rb (Logging.postpone): allow recursive operation. * lib/mkmf.rb (try_constant): make sure if really a constant, reduce the number of times of compile. * lib/mkmf.rb (have_macro, have_var, byte_order): new functions. * lib/mkmf.rb (find_library): allow directory list with separators. * lib/mkmf.rb (arg_config): manage provided configuration options. * lib/mkmf.rb (dir_config): accept arrays of directory names as default values. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@7901 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
		
			
				
	
	
		
			278 lines
		
	
	
	
		
			8.2 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			278 lines
		
	
	
	
		
			8.2 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
# extconf.rb for tcltklib
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require 'mkmf'
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is_win32 = (/mswin32|mingw|cygwin|bccwin32/ =~ RUBY_PLATFORM)
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is_macosx = (/darwin/ =~ RUBY_PLATFORM)
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mac_need_framework = 
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  is_macosx &&
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  enable_config("mac-tcltk-framework", false) &&
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  FileTest.directory?("/Library/Frameworks/Tcl.framework/") &&
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  FileTest.directory?("/Library/Frameworks/Tk.framework/")
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unless is_win32
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  have_library("nsl", "t_open")
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  have_library("socket", "socket")
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  have_library("dl", "dlopen")
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  have_library("m", "log") 
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end
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dir_config("tk")
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dir_config("tcl")
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dir_config("X11")
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tklib = with_config("tklib")
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tcllib = with_config("tcllib")
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stubs = enable_config("tcltk_stubs") || with_config("tcltk_stubs")
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def find_tcl(tcllib, stubs)
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  paths = ["/usr/local/lib", "/usr/pkg/lib", "/usr/lib"]
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  if stubs
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    func = "Tcl_InitStubs"
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    lib = "tclstub"
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  else
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    func = "Tcl_FindExecutable"
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    lib = "tcl"
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  end
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  if tcllib
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    find_library(tcllib, func, *paths)
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  elsif find_library(lib, func, *paths)
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    true
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  else
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    %w[8.5 8.4 8.3 8.2 8.1 8.0 7.6].find { |ver|
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      find_library("#{lib}#{ver}", func, *paths) or
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        find_library("#{lib}#{ver.delete('.')}", func, *paths) or
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        find_library("tcl#{ver}", func, *paths) or
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        find_library("tcl#{ver.delete('.')}", func, *paths)
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    }
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  end
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end
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def find_tk(tklib, stubs)
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  paths = ["/usr/local/lib", "/usr/pkg/lib", "/usr/lib"]
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  if stubs
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    func = "Tk_InitStubs"
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    lib = "tkstub"
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  else
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    func = "Tk_Init"
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    lib = "tk"
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  end
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  if tklib
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    find_library(tklib, func, *paths)
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  elsif find_library(lib, func, *paths)
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    true
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  else
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    %w[8.5 8.4 8.3 8.2 8.1 8.0 4.2].find { |ver|
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      find_library("#{lib}#{ver}", func, *paths) or
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        find_library("#{lib}#{ver.delete('.')}", func, *paths) or
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        find_library("tk#{ver}", func, *paths) or
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        find_library("tk#{ver.delete('.')}", func, *paths)
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    }
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  end
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end
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def pthread_check()
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  tcl_major_ver = nil
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  tcl_minor_ver = nil
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  # Is tcl-thread given by user ?
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  case enable_config("tcl-thread")
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  when true
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    $CPPFLAGS += ' -DFORCE_TCL_THREAD=1'
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    tcl_enable_thread = true
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  when false
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    $CPPFLAGS += ' -DFORCE_TCL_THREAD=1'
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    tcl_enable_thread = false
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  else
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    tcl_enable_thread = nil
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  end
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  if (tclConfig = with_config("tclConfig-file"))
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    if tcl_enable_thread == true
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      puts("Warning: --with-tclConfig-file option is ignored, because --enable-tcl-thread option is given.")
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    elsif tcl_enable_thread == false
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      puts("Warning: --with-tclConfig-file option is ignored, because --disable-tcl-thread option is given.")
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    else
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      # tcl-thread is unknown and tclConfig.sh is given
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      begin
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        open(tclConfig, "r") do |cfg|
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          while line = cfg.gets()
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            if line =~ /^\s*TCL_THREADS=(0|1)/
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              tcl_enable_thread = ($1 == "1")
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              break
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            end
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            if line =~ /^\s*TCL_MAJOR_VERSION=("|')(\d+)\1/
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              tcl_major_ver = $2
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              if tcl_major_ver =~ /^[1-7]$/
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                tcl_enable_thread = false
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                break
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              end
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              if tcl_major_ver == "8" && tcl_minor_ver == "0"
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                tcl_enable_thread = false
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                break
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              end
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            end
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            if line =~ /^\s*TCL_MINOR_VERSION=("|')(\d+)\1/
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              tcl_minor_ver = $2
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              if tcl_major_ver == "8" && tcl_minor_ver == "0"
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                tcl_enable_thread = false
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                break
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              end
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            end
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          end
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        end
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        if tcl_enable_thread == nil
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          # not find definition
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          if tcl_major_ver
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            puts("Warning: '#{tclConfig}' doesn't include TCL_THREADS definition.")
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          else
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            puts("Warning: '#{tclConfig}' may not be a tclConfig file.")
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          end
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          tclConfig = false
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        end
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      rescue Exception
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        puts("Warning: fail to read '#{tclConfig}'!! --> ignore the file")
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        tclConfig = false
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      end
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    end
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  end
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  if tcl_enable_thread == nil && !tclConfig
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    # tcl-thread is unknown and tclConfig is unavailable
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    begin
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      try_run_available = try_run("int main() { exit(0); }")
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    rescue Exception
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      # cannot try_run. Is CROSS-COMPILE environment?
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      puts(%Q'\
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*****************************************************************************
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**
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** PTHREAD SUPPORT CHECK WARNING: 
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**
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**   We cannot check the consistency of pthread support between Ruby 
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**   and Tcl/Tk library on your environment (do coss-compile?). If the 
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**   consistency is not kept, some memory troubles (e.g. "Hang-up" or 
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**   "Segmentation Fault") may bother you. We strongly recommend you to  
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**   check the consistency by your own hand.
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**
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*****************************************************************************
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')
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      return true
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    end
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  end
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  if tcl_enable_thread == nil
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    # tcl-thread is unknown
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    if try_run(<<EOF)
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#include <tcl.h>
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int main() { 
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   Tcl_Interp *ip;
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   ip = Tcl_CreateInterp();
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   exit((Tcl_Eval(ip, "set tcl_platform(threaded)") == TCL_OK)? 0: 1);
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}
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EOF
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      tcl_enable_thread = true
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    elsif try_run(<<EOF)
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#include <tcl.h>
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static Tcl_ThreadDataKey dataKey;
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int main() { exit((Tcl_GetThreadData(&dataKey, 1) == dataKey)? 1: 0); }
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EOF
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      tcl_enable_thread = true
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    else
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      tcl_enable_thread = false
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    end
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  end
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  # check pthread mode
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  if (macro_defined?('HAVE_LIBPTHREAD', '#include "ruby.h"'))
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    # ruby -> enable
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    unless tcl_enable_thread
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      # ruby -> enable && tcl -> disable
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      puts(%Q'\
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*****************************************************************************
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**
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** PTHREAD SUPPORT MODE WARNING: 
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**
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**   Ruby is compiled with --enable-pthread, but your Tcl/Tk libraries
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**   seems to be compiled without "pthread support". Although You can 
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**   create tcltklib library, this combination may cause memory trouble 
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**   (e.g. "Hang-up" or "Segmentation Fault"). If you have no reason you
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**   must have to keep current pthread support status, we recommend you 
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**   to make both or neither libraries to support pthread.
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**
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**   If you want change the status of pthread support, please recompile 
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**   Ruby without "--enable-pthread" configure option or recompile Tcl/Tk 
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**   with "--enable-threads" configure option (if your Tcl/Tk is later 
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**   than  or equal to Tcl/Tk8.1).
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**
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*****************************************************************************
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')
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    end
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    # ruby -> enable && tcl -> enable/disable
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    if tcl_enable_thread
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      $CPPFLAGS += ' -DWITH_TCL_ENABLE_THREAD=1'
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    else
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      $CPPFLAGS += ' -DWITH_TCL_ENABLE_THREAD=0'
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    end
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    return true
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  else
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    # ruby -> disable
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    if tcl_enable_thread
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      # ruby -> disable && tcl -> enable
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      puts(%Q'\
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*****************************************************************************
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**
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** PTHREAD SUPPORT MODE ERRROR: 
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**
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**   Ruby is not compiled with --enable-pthread, but your Tcl/Tk 
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**   libararies seems to be compiled with "pthread support". This 
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**   combination possibly cause "Hang-up" or "Segmentation Fault" 
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**   frequently when Ruby/Tk is working. We NEVER recommend you to 
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**   create the library under such combination of pthread support. 
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**
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**   Please recompile Ruby with "--enable-pthread" configure option 
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**   or recompile Tcl/Tk with "--disable-threads" configure option.
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**
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*****************************************************************************
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')
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      $CPPFLAGS += ' -DWITH_TCL_ENABLE_THREAD=1'
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      return false
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    else
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      # ruby -> disable && tcl -> disable
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      $CPPFLAGS += ' -DWITH_TCL_ENABLE_THREAD=0'
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      return true
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    end
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  end
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end
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if mac_need_framework || 
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   (have_header("tcl.h") && have_header("tk.h") &&
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    (is_win32 || find_library("X11", "XOpenDisplay",
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      "/usr/X11/lib", "/usr/lib/X11", "/usr/X11R6/lib", "/usr/openwin/lib")) &&
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    find_tcl(tcllib, stubs) &&
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    find_tk(tklib, stubs))
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  $CPPFLAGS += ' -DUSE_TCL_STUBS -DUSE_TK_STUBS' if stubs
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  $CPPFLAGS += ' -D_WIN32' if /cygwin/ =~ RUBY_PLATFORM
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  if mac_need_framework
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    $CPPFLAGS += ' -I/Library/Frameworks/Tcl.framework/headers -I/Library/Frameworks/Tk.framework/Headers'
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    $LDFLAGS += ' -framework Tk -framework Tcl'
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  end
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  if stubs or pthread_check
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    # create Makefile
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    # for SUPPORT_STATUS
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    $INSTALLFILES ||= []
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    $INSTALLFILES << ["lib/tkextlib/SUPPORT_STATUS", "$(RUBYLIBDIR)", "lib"]
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    # create
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    create_makefile("tcltklib")
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  end
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end
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