common/cnxk: allow building for generic arm64
[dpdk.git] / examples / ntb / Makefile
1 # SPDX-License-Identifier: BSD-3-Clause
2 # Copyright(c) 2019 Intel Corporation
3
4 # binary name
5 APP = ntb_fwd
6
7 # all source are stored in SRCS-y
8 SRCS-y := ntb_fwd.c
9
10 PKGCONF ?= pkg-config
11
12 # Build using pkg-config variables if possible
13 ifneq ($(shell $(PKGCONF) --exists libdpdk && echo 0),0)
14 $(error "no installation of DPDK found")
15 endif
16
17 all: shared
18 .PHONY: shared static
19 shared: build/$(APP)-shared
20         ln -sf $(APP)-shared build/$(APP)
21 static: build/$(APP)-static
22         ln -sf $(APP)-static build/$(APP)
23
24 CFLAGS += -D_FILE_OFFSET_BITS=64
25 LDFLAGS += -pthread
26
27 PC_FILE := $(shell $(PKGCONF) --path libdpdk 2>/dev/null)
28 CFLAGS += -O3 $(shell $(PKGCONF) --cflags libdpdk)
29 LDFLAGS_SHARED = $(shell $(PKGCONF) --libs libdpdk)
30 LDFLAGS_STATIC = $(shell $(PKGCONF) --static --libs libdpdk)
31
32 ifeq ($(MAKECMDGOALS),static)
33 # check for broken pkg-config
34 ifeq ($(shell echo $(LDFLAGS_STATIC) | grep 'whole-archive.*l:lib.*no-whole-archive'),)
35 $(warning "pkg-config output list does not contain drivers between 'whole-archive'/'no-whole-archive' flags.")
36 $(error "Cannot generate statically-linked binaries with this version of pkg-config")
37 endif
38 endif
39
40 CFLAGS += -DALLOW_EXPERIMENTAL_API
41
42 build/$(APP)-shared: $(SRCS-y) Makefile $(PC_FILE) | build
43         $(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_SHARED)
44
45 build/$(APP)-static: $(SRCS-y) Makefile $(PC_FILE) | build
46         $(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_STATIC)
47
48 build:
49         @mkdir -p $@
50
51 .PHONY: clean
52 clean:
53         rm -f build/$(APP) build/$(APP)-static build/$(APP)-shared
54         test -d build && rmdir -p build || true