diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 0000000..4aaace3
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,33 @@
+name: Build
+on: push
+jobs:
+   build:
+      runs-on: ${{ matrix.os }}
+      strategy:
+         fail-fast: false
+         matrix:
+            cxx:
+               - clang++
+               - cl.exe
+               - g++
+            include:
+               - os: ubuntu-18.04
+                 cxx: clang++
+                 run: "true"
+               - os: ubuntu-18.04
+                 cxx: g++
+                 run: "true"
+               - os: windows-2019
+                 cxx: cl.exe
+                 run: '"C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvars64.bat"'
+      name: ${{ matrix.os }} - ${{ matrix.cxx }}
+      steps:
+         - uses: actions/checkout@v1
+         - uses: actions/setup-python@v1
+           with:
+              python-version: 2.x
+         - run: pip install scons
+         - run: ${{ matrix.run }}
+         - run: scons
+           env:
+              CXX: ${{ matrix.cxx }}
diff --git a/Build/BaseEnvironment.py b/Build/BaseEnvironment.py
index 0721a38..53391f6 100644
--- a/Build/BaseEnvironment.py
+++ b/Build/BaseEnvironment.py
@@ -3,6 +3,18 @@
 import subprocess
 
 def Test(target, source, env):
+   print "YYY: " + str(source[0])
+   print "YYY: " + str(source[0].abspath)
+   print "YYY: " + os.path.normpath(str(source[0]))
+   print "YYY: " + os.path.abspath(str(source[0]))
+   print "YYY: " + os.path.abspath('.')
+
+   print "ZZZ: " + os.getcwd()
+   print "ZZZ: " + os.path.abspath(os.getcwd())
+   print "ZZZ: " + " ".join(os.listdir('.'))
+   print "ZZZ: " + " ".join(os.listdir('test'))
+   print "ZZZ: " + " ".join(os.listdir('test\build'))
+
    proc = subprocess.Popen(source[0].abspath)
    proc.wait()
    print "\n============================="
diff --git a/Build/NTEnvironment.py b/Build/NTEnvironment.py
index 3e9a0a4..9adedef 100644
--- a/Build/NTEnvironment.py
+++ b/Build/NTEnvironment.py
@@ -9,47 +9,53 @@ def __init__(self, **kw):
 
       self.ConfigureCompiler()
 
-      self['ENV']['INCLUDE'] = self['CPPPATH']
-      self['ENV']['LIB'] = self['LIBPATH']
-      self['ENV']['PATH'] = os.environ['PATH']
+      # self['ENV']['INCLUDE'] = self['CPPPATH']
+      # self['ENV']['LIB'] = self['LIBPATH']
+      # self['ENV']['PATH'] = os.environ['PATH']
 
    def ConfigureCompiler(self):
       cxx = self.WhereIs(self['CXX'])
-      cxx_bin = os.path.basename(cxx).lower()
+      cxx = os.path.normpath(cxx)
+      cxx_bin = os.path.basename(cxx)
       cxx_dir = os.path.dirname(cxx)
 
+      print "XXX: " + cxx
+      print "XXX: " + cxx_bin
+      print "XXX: " + cxx_dir
+
       if cxx_bin.startswith("cl"):
-         common = cxx_dir + "\..\.."
-         if os.path.exists(common + "\Common\IDE"):
-           os.environ['PATH'] = common + "\Common\IDE" + ";" + cxx_dir
-         elif os.path.exists(common + "\Common7\IDE"):
-           os.environ['PATH'] = common + "\Common7\IDE" + ";" + cxx_dir
+         # common = cxx_dir + "\..\.."
+         # if os.path.exists(common + "\Common\IDE"):
+         #   os.environ['PATH'] = common + "\Common\IDE"
+         # elif os.path.exists(common + "\Common7\IDE"):
+         #   os.environ['PATH'] = common + "\Common7\IDE"
+         # os.environ['PATH'] += ";" + cxx_dir
 
-         proc = Popen(cxx_bin, stderr=STDOUT, stdout=PIPE)
-         proc.wait()
-         version = "".join(proc.stdout.readlines())
+         # proc = Popen(cxx_bin, stderr=STDOUT, stdout=PIPE)
+         # proc.wait()
+         # version = "".join(proc.stdout.readlines())
 
-         if re.search("Version 12\.00", version):
-            raise EnvironmentError("Microsoft Visual C++ (6.0) Unsupported!")
-         elif re.search("Version 13\.00", version):
-            print "Microsoft Visual C++ .NET 2002 (7.0) Detected"
-         elif re.search("Version 13\.10", version):
-            print "Microsoft Visual C++ .NET 2003 (7.1) Detected"
-         elif re.search("Version 14\.00", version):
-            print "Microsoft Visual C++ 2005 (8.0) Detected"
-         elif re.search("Version 15\.00", version):
-            print "Microsoft Visual C++ 2008 (9.0) Detected"
-         elif re.search("Version 16\.00", version):
-            print "Microsoft Visual C++ 2010 (10.0) Detected"
-         else:
-            raise EnvironmentError("Unknown Microsoft Visual C++ Detected!")
+         # if re.search("Version 12\.00", version):
+         #    raise EnvironmentError("Microsoft Visual C++ (6.0) Unsupported!")
+         # elif re.search("Version 13\.00", version):
+         #    print "Microsoft Visual C++ .NET 2002 (7.0) Detected"
+         # elif re.search("Version 13\.10", version):
+         #    print "Microsoft Visual C++ .NET 2003 (7.1) Detected"
+         # elif re.search("Version 14\.00", version):
+         #    print "Microsoft Visual C++ 2005 (8.0) Detected"
+         # elif re.search("Version 15\.00", version):
+         #    print "Microsoft Visual C++ 2008 (9.0) Detected"
+         # elif re.search("Version 16\.00", version):
+         #    print "Microsoft Visual C++ 2010 (10.0) Detected"
+         # else:
+         #    raise EnvironmentError("Unknown Microsoft Visual C++ Detected!")
 
          # XXX: BOOST_ALL_NO_LIB prevents MSVC from auto-linking a non-existent library
          self.AppendUnique(CXXFLAGS = ['/EHsc', '/GR', '/DBOOST_ALL_NO_LIB'])
          self['CXX'] = cxx_bin
 #         self['LINK'] = "link.exe"
-         self['CPPPATH'] = os.path.abspath(cxx_dir + "\..\include")
-         self['LIBPATH'] = os.path.abspath(cxx_dir + "\..\lib")
+         # self['CPPPATH'] = os.path.abspath(cxx_dir + "\..\include")
+         # self['LIBPATH'] = os.path.abspath(cxx_dir + "\..\lib")
 
          sdk_dir = ""
          if os.getenv('MicrosoftPlatformSDK', None) != None: