# SPDX-License-Identifier: BSD-3-Clause
# Copyright(c) 2018 Intel Corporation
-ifeq ($(RTE_SDK),)
-$(error "Please define RTE_SDK environment variable")
-endif
-
-# Default target, can be overridden by command line or environment
-RTE_TARGET ?= x86_64-native-linuxapp-gcc
-
-include $(RTE_SDK)/mk/rte.vars.mk
-
-ifneq ($(CONFIG_RTE_EXEC_ENV),"linuxapp")
-$(info This application can only operate in a linuxapp environment, \
-please change the definition of the RTE_TARGET environment variable)
-all:
-else
-
# binary name
APP = vdpa
# all source are stored in SRCS-y
SRCS-y := main.c
-
-CFLAGS += -O2 -D_FILE_OFFSET_BITS=64
-CFLAGS += $(WERROR_FLAGS)
-CFLAGS += -D_GNU_SOURCE
CFLAGS += -DALLOW_EXPERIMENTAL_API
-include $(RTE_SDK)/mk/rte.extapp.mk
-
+# Build using pkg-config variables if possible
+ifneq ($(shell pkg-config --exists libdpdk && echo 0),0)
+$(error "no installation of DPDK found")
endif
+
+all: shared
+.PHONY: shared static
+shared: build/$(APP)-shared
+ ln -sf $(APP)-shared build/$(APP)
+static: build/$(APP)-static
+ ln -sf $(APP)-static build/$(APP)
+
+PKGCONF ?= pkg-config
+
+PC_FILE := $(shell $(PKGCONF) --path libdpdk 2>/dev/null)
+CFLAGS += -O3 $(shell $(PKGCONF) --cflags libdpdk)
+LDFLAGS_SHARED = $(shell $(PKGCONF) --libs libdpdk)
+LDFLAGS_STATIC = $(shell $(PKGCONF) --static --libs libdpdk)
+
+build/$(APP)-shared: $(SRCS-y) Makefile $(PC_FILE) | build
+ $(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_SHARED)
+
+build/$(APP)-static: $(SRCS-y) Makefile $(PC_FILE) | build
+ $(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_STATIC)
+
+build:
+ @mkdir -p $@
+
+.PHONY: clean
+clean:
+ rm -f build/$(APP) build/$(APP)-static build/$(APP)-shared
+ test -d build && rmdir -p build || true