replace libretro-common 32
NP2_PATH := $(CORE_DIR)
-INCFLAGS := -I$(NP2_PATH) \
+INCFLAGS += -I$(NP2_PATH) \
-I$(NP2_PATH)/cbus \
-I$(NP2_PATH)/common \
-I$(NP2_PATH)/diskimage \
@@ -25,7 +25,7 @@ INCFLAGS := -I$(NP2_PATH) \
-I$(NP2_PATH)/sdl2 \
-I$(NP2_PATH)/zlib
-SOURCES_C := $(NP2_PATH)/calendar.c \
+SOURCES_C += $(NP2_PATH)/calendar.c \
$(NP2_PATH)/debugsub.c \
$(NP2_PATH)/keystat.c \
$(NP2_PATH)/nevent.c \
@@ -59,7 +59,7 @@ SOURCES_C := $(NP2_PATH)/calendar.c \
$(wildcard $(NP2_PATH)/wab/*.c) \
$(wildcard $(NP2_PATH)/zlib/*.c)
-SOURCES_CXX := $(wildcard $(NP2_PATH)/sound/fmgen/*.cpp)
+SOURCES_CXX += $(wildcard $(NP2_PATH)/sound/fmgen/*.cpp)
ifeq ($(SUPPORT_NET), 1)
INCFLAGS += -I$(NP2_PATH)/network
