LDFLAGS += -lrte_pmd_bond
-PKGCONF=pkg-config --define-prefix
+PKGCONF ?= pkg-config
-PC_FILE := $(shell $(PKGCONF) --path libdpdk)
+PC_FILE := $(shell $(PKGCONF) --path libdpdk 2>/dev/null)
CFLAGS += -O3 $(shell $(PKGCONF) --cflags libdpdk)
LDFLAGS_SHARED = $(shell $(PKGCONF) --libs libdpdk)
LDFLAGS_STATIC = -Wl,-Bstatic $(shell $(PKGCONF) --static --libs libdpdk)