+
+ dnl -Wno-format is a terrifically useful warning, however mingw warns
+ dnl whenever the I64 format specifier is used for long long.
+ dnl FIXME: it we detected when cygwin is using -mno-cygwin we could avoid
+ dnl disabling it for cygwin.
+ case "${host}" in
+ *-*-cygwin* | *-*-mingw32* )
+ CXXWARNINGS="$CXXWARNINGS -Wno-format"
+ esac