104     _PROJECT_BASE = os.path.dirname(_safe_realpath(sys.executable))  variable
108     _PROJECT_BASE = _safe_realpath(os.getcwd())  variable
110 if os.name == "nt" and "pcbuild" in _PROJECT_BASE[-8:].lower():
111     _PROJECT_BASE = _safe_realpath(os.path.join(_PROJECT_BASE, pardir))  variable
113 if os.name == "nt" and "\\pc\\v" in _PROJECT_BASE[-10:].lower():
114     _PROJECT_BASE = _safe_realpath(os.path.join(_PROJECT_BASE, pardir, pardir))  variable
116 if os.name == "nt" and "\\pcbuild\\amd64" in _PROJECT_BASE[-14:].lower():
117     _PROJECT_BASE = _safe_realpath(os.path.join(_PROJECT_BASE, pardir, pardir))  variable
122     _PROJECT_BASE = os.path.normpath(os.path.abspath("."))  variable
125         if os.path.isfile(os.path.join(_PROJECT_BASE, "Modules", fn)):
279         return os.path.join(_PROJECT_BASE, "Makefile")
408             inc_dir = os.path.join(_PROJECT_BASE, "PC")
410             inc_dir = _PROJECT_BASE
467         _CONFIG_VARS['projectbase'] = _PROJECT_BASE
480             _CONFIG_VARS['srcdir'] = _PROJECT_BASE
487             base = _PROJECT_BASE