Add support for Visual Studio 2015 and encoding issues

Replace 'touch' command with Python implementation to reduce dependency on cygwin.

buildtools/config.py

@@ -789,7 +789,7 @@ def runcmd(cmd, getOutput=False, echoCmd=True, fatal=True):
     if getOutput:
         output = sp.stdout.read()
         if sys.version_info > (3,):
-            output = output.decode('utf-8')  # TODO: is utf-8 okay here?
+            output = output.decode('utf-8', 'ignore')  # TODO: is utf-8 okay here?
         output = output.rstrip()
         
     rval = sp.wait()
@@ -850,6 +850,8 @@ def getVisCVersion():
         return '90'
     if 'Version 16' in text:
         return '100'
+    if 'Version 19' in text:
+        return '140'
     # TODO: Add more tests to get the other versions...
     else:
         return 'FIXME'

wscript

@@ -68,12 +68,8 @@ def configure(conf):
         # version. We have a chicken-egg problem here. The compiler needs to
         # be selected before the Python stuff can be configured, but we need
         # Python to know what version of the compiler to use.
-        # TODO: Fix this
-        msvc_version = '9.0' #conf.options.msvc_ver
-        if conf.options.python and ('33' in conf.options.python or
-                                    '34' in conf.options.python):
-            msvc_version = '10.0'
-
+        import distutils.msvc9compiler
+        msvc_version = str( distutils.msvc9compiler.get_build_version() )
         conf.env['MSVC_VERSIONS'] = ['msvc ' + msvc_version]
         conf.env['MSVC_TARGETS'] = [conf.options.msvc_arch]
         conf.load('msvc')
@@ -616,7 +612,8 @@ def copyFileToPkg(task):
     from buildtools.config   import opj
     src = task.inputs[0].abspath() 
     tgt = task.outputs[0].abspath() 
-    task.exec_command('touch %s' % tgt)
+    #task.exec_command('touch %s' % tgt)
+    open(tgt, "wb").close() # 'touch'
     tgt = opj(cfg.PKGDIR, os.path.basename(src))
     copy_file(src, tgt, verbose=1)
     return 0