--- a/lib_pypy/_tkinter/tklib_build.py
+++ b/lib_pypy/_tkinter/tklib_build.py
@@ -17,19 +17,14 @@ elif sys.platform == 'win32':
     incdirs = []
     linklibs = ['tcl85', 'tk85']
     libdirs = []
-elif sys.platform == 'darwin':
-    # homebrew
-    incdirs = ['/usr/local/opt/tcl-tk/include']
-    linklibs = ['tcl8.6', 'tk8.6']
-    libdirs = ['/usr/local/opt/tcl-tk/lib']
 else:
     # On some Linux distributions, the tcl and tk libraries are
     # stored in /usr/include, so we must check this case also
-    libdirs = []
+    libdirs = ["@tcl@/lib", "@tk@/lib"]
     found = False
     for _ver in ['', '8.6', '8.5']:
-        incdirs = ['/usr/include/tcl' + _ver]
-        linklibs = ['tcl' + _ver, 'tk' + _ver]
+        incdirs = ['@tcl_dev@/include', '@tk_dev@/include']
+        linklibs = ['@tcl_libprefix@', '@tk_libprefix@']
         if os.path.isdir(incdirs[0]):
             found = True
             break