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-rw-r--r--libs/backends/portaudio/wscript3
1 files changed, 3 insertions, 0 deletions
diff --git a/libs/backends/portaudio/wscript b/libs/backends/portaudio/wscript
index 9c661d83b0..967b6044d5 100644
--- a/libs/backends/portaudio/wscript
+++ b/libs/backends/portaudio/wscript
@@ -40,3 +40,6 @@ def build(bld):
'ARDOURBACKEND_DLL_EXPORTS',
'USE_MMCSS_THREAD_PRIORITIES'
]
+ if bld.env['build_target'] == 'mingw':
+ # MIDI input doesn't work with -O3 or -O2 so override
+ obj.cxxflags = [ '-O0' ]