+PKGCONF ?= pkg-config
+
+# Build using pkg-config variables if possible
+ifneq ($(shell $(PKGCONF) --exists libdpdk && echo 0),0)
+$(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)
+
+PC_FILE := $(shell $(PKGCONF) --path libdpdk 2>/dev/null)
+CFLAGS += -O3 $(shell $(PKGCONF) --cflags libdpdk)
+LDFLAGS_SHARED = $(shell $(PKGCONF) --libs libdpdk)
+LDFLAGS_STATIC = $(shell $(PKGCONF) --static --libs libdpdk)
+
+ifeq ($(MAKECMDGOALS),static)
+# check for broken pkg-config
+ifeq ($(shell echo $(LDFLAGS_STATIC) | grep 'whole-archive.*l:lib.*no-whole-archive'),)
+$(warning "pkg-config output list does not contain drivers between 'whole-archive'/'no-whole-archive' flags.")
+$(error "Cannot generate statically-linked binaries with this version of pkg-config")
+endif
+endif
+
+CFLAGS += -DALLOW_EXPERIMENTAL_API
+CONFIG_DEFINES = $(shell $(CC) $(CFLAGS) -dM -E - < /dev/null)
+ifneq ($(findstring RTE_CRYPTO_SCHEDULER,$(CONFIG_DEFINES)),)
+LDFLAGS_SHARED += -lrte_crypto_scheduler