change: no longer pass -O0 to gcc when --with-debug is specified because gcc often generates bogus DWARF info when optimization is disabled.
change: no longer pass -O0 to gcc when --with-debug is specified because gcc often generates bogus DWARF info when optimization is disabled.

tedlz123/Openresty,tedlz123/Openresty,tedlz123/Openresty,tedlz123/Openresty