extconf.rb in duckdb-1.0.0.2

- old
+ new

@@ -68,6 +68,8 @@
 have_func('duckdb_fetch_chunk', 'duckdb.h')
 
 # duckdb_parameter_name in duckdb <= 0.9.1 is not found on Windows.
 have_func('duckdb_parameter_name', 'duckdb.h')
 
+$CFLAGS << ' -DDUCKDB_API_NO_DEPRECATED' if ENV['DUCKDB_API_NO_DEPRECATED']
+
 create_makefile('duckdb/duckdb_native')