Put venv directory in main dir.

.gitignore

@@ -10,3 +10,4 @@ __pycache__/
 /website/_serve/
 /.waf*
 /.lock-waf*
+/venv/

build_utils/waf/virtenv.py

@@ -41,7 +41,7 @@ from waflib.Context import BOTH, STDOUT
 Version = distutils.version.LooseVersion
 
 
-DEFAULT_VENVDIR = os.path.expanduser('~/.local/share/virtualenvs/noisicaa')
+DEFAULT_VENVDIR = 'venv'
 
 RUNTIME = 1
 BUILD = 2
@@ -261,6 +261,8 @@ def check_virtual_env(ctx):
     if not venvdir:
         venvdir = DEFAULT_VENVDIR
 
+    venvdir = os.path.abspath(venvdir)
+
     ctx.to_log("Using virtual env path %s" % venvdir)
 
     py_path = os.path.join(venvdir, 'bin', 'python')