fix use of += in waf variable

diff --git a/libs/backends/jack/wscript b/libs/backends/jack/wscript
index d3d351618748edac55788d29bc8949849f81f700..b2a12b5f66b9013797559835f5dd93047672660e 100644 (file)
--- a/libs/backends/jack/wscript
+++ b/libs/backends/jack/wscript
@@ -81,6 +81,9 @@ def build(bld):
     if bld.env['build_target'] != 'mingw':
         obj.cxxflags = [ '-fPIC' ]
         obj.cflags   = [ '-fPIC' ]
+    else:
+        obj.cxxflags = [ ]
+        obj.cflags   = [ ]
 
     if bld.is_defined ('HAVE_JACK_METADATA'):
         obj.cxxflags += [ '-DHAVE_JACK_METADATA' ]