Method: #libcheck_for_tclConfig

Defined in:

ext/tk/extconf.rb

#libcheck_for_tclConfig(tcldir, tkdir, tclconf, tkconf) ⇒ Object

# File 'ext/tk/extconf.rb', line 587

def libcheck_for_tclConfig(tcldir, tkdir, tclconf, tkconf)
  tcllib_ok = tklib_ok = false

  if TkLib_Config["tcltk-stubs"]
    stub = "stub"
    tclfunc = "Tcl_InitStubs"
    tkfunc  = "Tk_InitStubs"
  else
    stub = ""
    tclfunc = "Tcl_FindExecutable"
    tkfunc  = "Tk_Init"
  end

  incflags = ($INCFLAGS ||= "").dup
  libpath = ($LIBPATH ||= []).dup
  libs_param = ($libs ||= "").dup
  tcllibs = nil
  mkmf_param = nil

  tclver, tkver = TkLib_Config["tcltkversion"]
  exts = "(" + get_ext_list.join('|') + ")"

  if tclver
    tcl_glob = "*tcl#{stub}#{tclver}.*"
    tcl_regexp = /^.*(tcl#{stub}#{tclver}.*)\.(#{exts}).*$/
  elsif tclconf
    tcl_glob = "*tcl#{stub}#{tclconf['TCL_MAJOR_VERSION']}{.,}#{tclconf['TCL_MINOR_VERSION']}*.*"
    tcl_regexp = /^.*(tcl#{stub}#{tclconf['TCL_MAJOR_VERSION']}(?:\.|)#{tclconf['TCL_MINOR_VERSION']}.*)\.(#{exts}).*$/
  end
  if tkver
    tk_glob = "*tk#{stub}#{tkver}.*"
    tk_regexp = /^.*(tk#{stub}#{tkver}.*)\.(#{exts}).*$/
  elsif tkconf
    tk_glob = "*tk#{stub}#{tkconf['TK_MAJOR_VERSION']}{.,}#{tkconf['TK_MINOR_VERSION']}*.*"
    tk_regexp = /^.*(tk#{stub}#{tkconf['TK_MAJOR_VERSION']}(?:\.|)#{tkconf['TK_MINOR_VERSION']}.*)\.#{exts}.*$/
  end

  tcllib_ok ||= !tclconf || Dir.glob(File.join(tcldir, tcl_glob), File::FNM_CASEFOLD).find{|file|
    if file =~ tcl_regexp
      libname = $1
      ext = $2.downcase
      begin
        $INCFLAGS = incflags.dup << " " << tclconf["TCL_INCLUDE_SPEC"]
        #puts "check #{file} #{$1} #{tclfunc} #{tcldir}"
        #find_library($1, tclfunc, tcldir)
        if (tclconf && tclconf["TCL_SHARED_BUILD"] == "0") ||
            (ext != CONFIG['DLEXT'] && ext == CONFIG['LIBEXT']) || ext == "a"
          # static link
          tcllibs = $libs + " -DSTATIC_BUILD " + file.quote

          # FIX ME: avoid pathname trouble (fail to find) on MinGW.
          #   e.g. TCL_INCLUDE_SPEC describes "-I/usr/local/include",
          #        but compiler can find "-IC:/msys/1.0/local/include" only.
          $INCFLAGS << " -I" << File.join(File.dirname(File.dirname(file)),"include") if is_win32?
        else
          tcllibs = append_library($libs, libname)
          tcllibs = "#{libpathflag([tcldir])} #{tcllibs}"

          # FIX ME: avoid pathname trouble (fail to find) on MinGW.
          $INCFLAGS << " -I" << File.join(File.dirname(tcldir),"include") if is_win32?
        end

        $LIBPATH = libpath | [tcldir]
        try_func(tclfunc, tcllibs, ["tcl.h"]) ||
          ( try_func(tclfunc, tcllibs << " " << tclconf['TCL_LIBS'], ["tcl.h"]) if tclconf['TCL_LIBS'] )

      ensure
        mkmf_param = {
          'PATH' => file,
          'LIBNAME' => libname,
          'libs' => tcllibs.dup,
          'INCFLAGS' => $INCFLAGS.dup,
          'LIBPATH' => $LIBPATH.dup,
        }
        $LIBPATH = libpath.dup
        $libs = libs_param.dup
      end
    end
  }
  tclconf['MKMF_PARAMS'] = mkmf_param if tclconf && tcllib_ok

  tklib_ok ||= !tkconf || Dir.glob(File.join(tkdir, tk_glob), File::FNM_CASEFOLD).find{|file|
    if file =~ tk_regexp
      libname = $1
      ext = $2.downcase
      begin
        #puts "check #{file} #{$1} #{tkfunc} #{tkdir}"
        # find_library($1, tkfunc, tkdir)
        if (tkconf && tkconf["TCL_SHARED_BUILD"] == "0") ||
            (ext != CONFIG['DLEXT'] && ext == CONFIG['LIBEXT']) || ext == "a"
          # static link
          tklibs = " -DSTATIC_BUILD " + file.quote

          # FIX ME: avoid pathname trouble (fail to find) on MinGW.
          $INCFLAGS << " -I" << File.join(File.dirname(File.dirname(file)),"include") if is_win32?
        else
          tklibs = append_library("", libname)
          #tklibs = append_library("", $1)
          tklibs = "#{libpathflag([tkdir])} #{tklibs}"

          # FIX ME: avoid pathname trouble (fail to find) on MinGW.
          $INCFLAGS << " -I" << File.join(File.dirname(tcldir),"include") if is_win32?
        end

        tklibs << " " <<  tcllibs if tcllibs
        tmp_tklibs = tklibs.dup
        $LIBPATH = libpath | [tkdir]
        try_func(tkfunc, tklibs, ["tcl.h", "tk.h"]) ||
          ( try_func(tkfunc, tklibs << " " << tkconf['TK_LIBS'], ["tcl.h", "tk.h"]) if tkconf['TK_LIBS'] ) ||
          ( try_func(tkfunc, (tklibs = tmp_tklibs.dup) << " " << tkconf['TK_XLIBSW'], ["tcl.h", "tk.h"]) if tkconf['TK_XLIBSW'] ) ||
          ( try_func(tkfunc, tklibs << " " << tkconf['TK_LIBS'], ["tcl.h", "tk.h"]) if tkconf['TK_LIBS'] )

      ensure
        mkmf_param = {
          'PATH' => file,
          'LIBNAME' => libname,
          'libs' => tklibs.dup,
          'INCFLAGS' => $INCFLAGS.dup,
          'LIBPATH' => $LIBPATH.dup,
        }
        $LIBPATH = libpath.dup
        $libs = libs_param.dup
      end
    end
  }

  $INCFLAGS = incflags.dup
  tkconf['MKMF_PARAMS'] = mkmf_param if tkconf && tklib_ok

  [tcllib_ok, tklib_ok]
end