[waf] always try to detect blas

diff --git a/wscript b/wscript
index 4d6fad6..ecd3219 100644 (file)
--- a/wscript
+++ b/wscript
@@ -84,10 +84,10 @@ def options(ctx):
     add_option_enable_disable(ctx, 'apple-audio', default = None,
             help_str = 'use CoreFoundation (darwin only) (auto)',
             help_disable_str = 'do not use CoreFoundation framework')
-    add_option_enable_disable(ctx, 'blas', default = False,
+    add_option_enable_disable(ctx, 'blas', default = None,
             help_str = 'use BLAS acceleration library (no)',
             help_disable_str = 'do not use BLAS library')
-    add_option_enable_disable(ctx, 'atlas', default = False,
+    add_option_enable_disable(ctx, 'atlas', default = None,
             help_str = 'use ATLAS acceleration library (no)',
             help_disable_str = 'do not use ATLAS library')
     add_option_enable_disable(ctx, 'wavread', default = True,