- rmdir --ignore-fail-on-non-empty build
-
-else # Build using legacy build system
-
-ifeq ($(RTE_SDK),)
-$(error "Please define RTE_SDK environment variable")
-endif
-
-ifeq ($(PQOS_INSTALL_PATH),)
-$(error "Please define PQOS_INSTALL_PATH environment variable")
-endif
-
-# Default target, detect a build directory, by looking for a path with a .config
-RTE_TARGET ?= $(notdir $(abspath $(dir $(firstword $(wildcard $(RTE_SDK)/*/.config)))))
-
-include $(RTE_SDK)/mk/rte.vars.mk
-
-CFLAGS += $(WERROR_FLAGS)
-
-# workaround for a gcc bug with noreturn attribute
-# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12603
-ifeq ($(CONFIG_RTE_TOOLCHAIN_GCC),y)
-CFLAGS_main.o += -Wno-return-type
-endif
-
-EXTRA_CFLAGS += -O3 -g -Wfatal-errors
-
-CFLAGS += -I$(PQOS_INSTALL_PATH)/../include
-
-LDLIBS += -L$(PQOS_INSTALL_PATH)
-LDLIBS += -lpqos
-
-include $(RTE_SDK)/mk/rte.extapp.mk
-endif