-VPATH = $(SRC_PATH_BARE)/lib$(NAME)
-SRC_DIR = "$(VPATH)"
-
-CFLAGS += -DHAVE_AV_CONFIG_H -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE \
- -D_ISOC9X_SOURCE -I$(BUILD_ROOT) -I$(SRC_PATH) \
- -I$(SRC_PATH)/libavutil $(OPTFLAGS)
-SRCS := $(OBJS:.o=.c) $(ASM_OBJS:.o=.S) $(CPPOBJS:.o=.cpp)
-OBJS := $(OBJS) $(ASM_OBJS) $(CPPOBJS)
-STATIC_OBJS := $(OBJS) $(STATIC_OBJS)
-SHARED_OBJS := $(OBJS) $(SHARED_OBJS)
-
-all: $(EXTRADEPS) $(LIB) $(SLIBNAME)
-
-$(LIB): $(STATIC_OBJS)
- rm -f $@
- $(AR) rc $@ $^ $(EXTRAOBJS)
- $(RANLIB) $@
+all: # make "all" default target
+
+ifndef SUBDIR
+vpath %.c $(SRC_DIR)
+vpath %.h $(SRC_DIR)
+vpath %.S $(SRC_DIR)
+vpath %.asm $(SRC_DIR)
+
+ifeq ($(SRC_DIR),$(SRC_PATH_BARE))
+BUILD_ROOT_REL = .
+else
+BUILD_ROOT_REL = ..
+endif