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	git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@9497 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
		
			
				
	
	
		
			309 lines
		
	
	
	
		
			8.9 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			309 lines
		
	
	
	
		
			8.9 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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def find_framework(tcl_hdr, tk_hdr)
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  if framework_dir = with_config("tcltk-framework")
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    paths = [framework_dir]
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  else
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    unless tcl_hdr || tk_hdr ||
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        enable_config("tcltk-framework", false) ||
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        enable_config("mac-tcltk-framework", false)
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      return false
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    end
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    paths = ["/Library/Frameworks", "/System/Library/Frameworks"]
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  end
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  checking_for('Tcl/Tk Framework') {
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    paths.find{|dir|
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      dir.strip!
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      dir.chomp!('/')
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      (tcl_hdr || FileTest.directory?(dir + "/Tcl.framework/") ) &&
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        (tk_hdr || FileTest.directory?(dir + "/Tk.framework/") )
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    }
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  }
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end
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tcl_framework_header = with_config("tcl-framework-header")
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tk_framework_header  = with_config("tk-framework-header")
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tcltk_framework = find_framework(tcl_framework_header, tk_framework_header)
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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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    tcl_enable_thread = true
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  when false
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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 the Tcl/Tk library in your environment (are you perhaps
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**   cross-compiling?). If pthread support for these 2 packages is
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**   inconsistent you may find you get errors when running Ruby/Tk
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**   (e.g. hangs or segmentation faults).  We strongly recommend
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**   you to check the consistency manually.
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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_NATIVETHREAD', '#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 library
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**   seems to be compiled without pthread support. Although you can
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**   create the tcltklib library, this combination may cause errors
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**   (e.g. hangs or segmentation faults). If you have no reason to
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**   keep the current pthread support status, we recommend you reconfigure
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**   and recompile the libraries so that both or neither support pthreads.
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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/Tk 8.1).
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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 ERROR: 
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**
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**   Ruby is not compiled with --enable-pthread, but your Tcl/Tk 
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**   library seems to be compiled with pthread support. This
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**   combination may cause frequent hang or segmentation fault
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**   errors when Ruby/Tk is working. We recommend that you NEVER
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**   create the library with such a combination of pthread support.
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**
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**   Please recompile Ruby with the "--enable-pthread" configure option
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**   or recompile Tcl/Tk with the "--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 tcltk_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 tcltk_framework
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    if tcl_framework_header
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      $CPPFLAGS += " -I#{tcl_framework_header}"
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    else
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      $CPPFLAGS += " -I#{tcltk_framework}/Tcl.framework/Headers"
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    end
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    if tk_framework_header
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      $CPPFLAGS += " -I#{tk_framework_header}"
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    else
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      $CPPFLAGS += " -I#{tcltk_framework}/Tk.framework/Headers"
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    end
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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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