diff --git a/SConscript b/SConscript
index 027f3a3..a45340d 100644
--- a/SConscript
+++ b/SConscript
@@ -710,6 +710,14 @@ if 'TOOLS' in config:
 env = Environment(tools = tools, variables = vars, ENV = os.environ)
 env['RECIPES_FOLDERS'] = [Dir('recipes')]
 env['SYSTEM_CACHE_DIR'] = os.path.join(_find_system_cache_dir(), 'spp_cache')
+env['CLONE_DIR'] = os.path.join(env['SYSTEM_CACHE_DIR'], 'cloned')
+env['DOWNLOAD_DIR'] = os.path.join(env['SYSTEM_CACHE_DIR'], 'downloaded')
+env['UPDATE_REPOSITORIES'] = update_repositories
+env['CXX_STANDARD'] = config['CXX_STANDARD']  # make it available to everyone
+env['DEPS_CFLAGS'] = []
+env['DEPS_CXXFLAGS'] = []
+env['DEPS_LINKFLAGS'] = []
+
 print(f'Detected system cache directory: {env["SYSTEM_CACHE_DIR"]}')
 try:
     os.makedirs(env['SYSTEM_CACHE_DIR'], exist_ok=True)