1# SPDX-License-Identifier: BSD-3-Clause 2# Copyright 2017 Mellanox Technologies, Ltd 3 4APP = flow 5 6SRCS-y := main.c flow_skeleton.c 7subdir := snippets 8snippet_objects := $(addprefix build/,$(notdir $(patsubst %.c,%.o,$(wildcard $(subdir)/*.c)))) 9 10PKGCONF ?= pkg-config 11 12# Build using pkg-config variables if possible 13ifneq ($(shell $(PKGCONF) --exists libdpdk && echo 0),0) 14$(error "no installation of DPDK found") 15endif 16 17all: shared 18.PHONY: shared static 19shared: build/$(APP)-shared 20 ln -sf $(APP)-shared build/$(APP) 21static: build/$(APP)-static 22 ln -sf $(APP)-static build/$(APP) 23 24PC_FILE := $(shell $(PKGCONF) --path libdpdk 2>/dev/null) 25CFLAGS += -O3 $(shell $(PKGCONF) --cflags libdpdk) 26LDFLAGS_SHARED = $(shell $(PKGCONF) --libs libdpdk) 27LDFLAGS_STATIC = $(shell $(PKGCONF) --static --libs libdpdk) 28 29ifeq ($(MAKECMDGOALS),static) 30# check for broken pkg-config 31ifeq ($(shell echo $(LDFLAGS_STATIC) | grep 'whole-archive.*l:lib.*no-whole-archive'),) 32$(warning "pkg-config output list does not contain drivers between 'whole-archive'/'no-whole-archive' flags.") 33$(error "Cannot generate statically-linked binaries with this version of pkg-config") 34endif 35endif 36 37CFLAGS += -DALLOW_EXPERIMENTAL_API 38 39build/$(APP)-shared: $(SRCS-y) $(snippet_objects) Makefile $(PC_FILE) | build 40 $(CC) $(CFLAGS) $(SRCS-y) $(snippet_objects) -o $@ $(LDFLAGS) $(LDFLAGS_SHARED) 41 42build/$(APP)-static: $(SRCS-y) $(snippet_objects) Makefile $(PC_FILE) | build 43 $(CC) $(CFLAGS) $(SRCS-y) $(snippet_objects) -o $@ $(LDFLAGS) $(LDFLAGS_STATIC) 44 45build/snippet_%.o: $(subdir)/snippet_%.c | build 46 $(CC) -c $(CFLAGS) -Wno-unused-function $< -o $@ 47 48build: 49 @mkdir -p $@ 50 51.PHONY: clean 52clean: 53 rm -f build/$(APP) build/$(APP)-static build/$(APP)-shared 54 test -d build && rmdir -p build || true 55