1 files changed, 2 insertions, 2 deletions
diff --git a/config.mk b/config.mk
index 21bacef..59eb75d 100644
--- a/config.mk
+++ b/config.mk
@@ -23,8 +23,8 @@ SHARED_FLAGS = -D_DEFAULT_SOURCE -D_POSIX_C_SOURCE=200809L \
  -DPK_IMPL_ARR \
  -DPK_IMPL_STN \
 
-CFLAGS       += -Wall -pedantic $(INCS) $(SHARED_FLAGS)
-CXXFLAGS     += -Wall -pedantic $(INCS) $(SHARED_FLAGS)
+CFLAGS       += -Wall -Wextra -pedantic $(INCS) $(SHARED_FLAGS)
+CXXFLAGS     += -Wall -Wextra -pedantic $(INCS) $(SHARED_FLAGS)
 LDFLAGS      =  $(LIBS)
 
 # compiler and linker