Prepare Python scripts for building for Mac OSX.

This refs #4.

macbuild/ReadMe.txt

@@ -1,4 +1,4 @@
-<< Draft >>
+<< Draft Version 0.001>>
 
 This directory "macbuild" contains different files required to build KLayout
 version 0.25 or later for different Max OSX including:
@@ -7,7 +7,7 @@ version 0.25 or later for different Max OSX including:
     * Sierra      (10.12)
     * High Sierra (10.13)
 
-By default, Qt framework is the from Mac Ports (https://www.macports.org/) which
+By default, Qt framework is Qt5 from Mac Ports (https://www.macports.org/) which
 is usually located under:
    /opt/local/libexec/qt5/
 
@@ -15,10 +15,10 @@ Also by default, supported script languages, i.e,, Ruby and Python, are those
 standard ones bundled with the OS.
 However, you are able to choose other options like Python from Anaconda.
 
-etc. etc.
+bla bla bla ...
 
 
-Make a symbolic link from the parent directory like:
+To use the top script "build4mac.py" make a symbolic link from the parent directory like:
     build4mac.py -> macbuild/build4mac.py
 then execute the Python script to build with appropriate options if required.
 

macbuild/build4mac.py

@@ -4,7 +4,7 @@
 #===============================================================================
 # File: "macbuild/build4mac.py"
 #
-#  The top script for building KLayout (http://www.klayout.de/index.php)
+#  The top Python script for building KLayout (http://www.klayout.de/index.php)
 #  version 0.25 or later on different Apple Mac OSX platforms.
 #===============================================================================
 from __future__ import print_function  # to use print() of Python 3 in Python >= 2.7
@@ -343,7 +343,7 @@ def Run():
   if not MakeOptions == "":
     parameters += " \\\n  -option %s" % MakeOptions
 
-  # (F) about Ruby
+  # (E) about Ruby
   if ModuleRuby == "nil":
     parameters += " \\\n  -noruby"
   else:
@@ -351,7 +351,7 @@ def Run():
     parameters += " \\\n  -rbinc  %s" % RubyDictionary[ModuleRuby]['inc']
     parameters += " \\\n  -rblib  %s" % RubyDictionary[ModuleRuby]['lib']
 
-  # (G) about Python
+  # (F) about Python
   if ModulePython == "nil":
     parameters += " \\\n  -nopython"
   else:

macbuild/build4mac_env.py

@@ -4,8 +4,8 @@
 #===============================================================================
 # File: "macbuild/build4mac_env.py"
 #
-# Dictionaries
-#  of different modules for building KLayout (http://www.klayout.de/index.php)
+# Here are dictionaries of ...
+#  different modules for building KLayout (http://www.klayout.de/index.php)
 #  version 0.25 or later on different Apple Mac OSX platforms.
 #
 # This file is imported by 'build4mac.py' script.