Fix build on some non-US locale Windows systems
Error:
gstreamer/gst/gstdebugutils.c(194): error C2001
https://bugzilla.gnome.org/show_bug.cgi?id=797186
'/wd4146', # unary minus on unsigned (beware INT_MIN)
'/wd4244', # lossy type conversion (e.g. double -> int)
'/wd4305', # truncating type conversion (e.g. double -> float)
+ cc.get_supported_arguments(['/utf-8']), # set the input encoding to utf-8
language : 'c')
elif cc.has_link_argument('-Wl,-Bsymbolic-functions')
# FIXME: Add an option for this if people ask for it