diff --git a/ext/tk/extconf.rb b/ext/tk/extconf.rb
index 709e4d2..fa1bc80 100644
--- a/ext/tk/extconf.rb
+++ b/ext/tk/extconf.rb
@@ -615,7 +615,7 @@ def libcheck_for_tclConfig(tcldir, tkdir, tclconf, tkconf)
           $INCFLAGS << " -I" << File.join(File.dirname(File.dirname(file)),"include") if is_win32?
         else
           tcllibs = append_library($libs, libname)
-          tcllibs = "-L#{tcldir.quote} -Wl,-R#{tcldir.quote} " + tcllibs
+          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?
@@ -657,7 +657,7 @@ def libcheck_for_tclConfig(tcldir, tkdir, tclconf, tkconf)
         else
           tklibs = append_library("", libname)
           #tklibs = append_library("", $1)
-          tklibs = "-L#{tkdir.quote} -Wl,-R#{tkdir.quote} " + tklibs
+          tklibs = "#{libpathflag(tkdir)} #{tklibs}"
 
           # FIX ME: avoid pathname trouble (fail to find) on MinGW.
           $INCFLAGS << " -I" << File.join(File.dirname(tcldir),"include") if is_win32?
@@ -1126,7 +1126,7 @@ def find_tcl(tcllib, stubs, version, *opt_paths)
                   tcllibs = libs_param + " -DSTATIC_BUILD " + fname.quote
                 else
                   tcllibs = append_library($libs, lib_w_sufx)
-                  tcllibs = "-L#{path.quote} -Wl,-R#{path.quote} " + tcllibs
+                  tcllibs = "#{libpathflag(path)} #{tcllibs}"
                 end
                 if try_func(func, tcllibs, ["tcl.h"])
                   return [true, path, nil, tcllibs, *inc]
@@ -1265,7 +1265,7 @@ def find_tk(tklib, stubs, version, *opt_paths)
                   tklibs = libs_param + " -DSTATIC_BUILD " + fname.quote
                 else
                   tklibs = append_library($libs, lib_w_sufx)
-                  tklibs = "-L#{path.quote} -Wl,-R#{path.quote} " + tklibs
+                  tklibs = "#{libpathflag(path)} #{tklibs}"
                 end
                 if try_func(func, tklibs, ["tcl.h", "tk.h"])
                   return [true, path, nil, tklibs, *inc]