1# SPDX-License-Identifier: BSD-3-Clause 2# Copyright(c) 2010-2014 Intel Corporation 3 4# binary name 5APP = kni 6 7# all source are stored in SRCS-y 8SRCS-y := main.c 9 10# Build using pkg-config variables if possible 11ifneq ($(shell pkg-config --exists libdpdk && echo 0),0) 12$(error "no installation of DPDK found") 13endif 14 15all: shared 16.PHONY: shared static 17shared: build/$(APP)-shared 18 ln -sf $(APP)-shared build/$(APP) 19static: build/$(APP)-static 20 ln -sf $(APP)-static build/$(APP) 21 22PKGCONF ?= pkg-config 23 24PC_FILE := $(shell $(PKGCONF) --path libdpdk 2>/dev/null) 25CFLAGS += -O3 $(shell $(PKGCONF) --cflags libdpdk) 26CFLAGS += -DALLOW_EXPERIMENTAL_API 27LDFLAGS_SHARED = $(shell $(PKGCONF) --libs libdpdk) 28LDFLAGS_STATIC = $(shell $(PKGCONF) --static --libs libdpdk) 29 30ifeq ($(MAKECMDGOALS),static) 31# check for broken pkg-config 32ifeq ($(shell echo $(LDFLAGS_STATIC) | grep 'whole-archive.*l:lib.*no-whole-archive'),) 33$(warning "pkg-config output list does not contain drivers between 'whole-archive'/'no-whole-archive' flags.") 34$(error "Cannot generate statically-linked binaries with this version of pkg-config") 35endif 36endif 37 38LDFLAGS += -pthread 39 40build/$(APP)-shared: $(SRCS-y) Makefile $(PC_FILE) | build 41 $(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_SHARED) 42 43build/$(APP)-static: $(SRCS-y) Makefile $(PC_FILE) | build 44 $(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_STATIC) 45 46build: 47 @mkdir -p $@ 48 49.PHONY: clean 50clean: 51 rm -f build/$(APP) build/$(APP)-static build/$(APP)-shared 52 test -d build && rmdir -p build || true 53