5a19633079
Since the examples are designed to be built by end-users using Make, we can detect and warn about broken pkg-config on the user's system as part of the build process. Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
55 lines
1.5 KiB
Makefile
55 lines
1.5 KiB
Makefile
# SPDX-License-Identifier: BSD-3-Clause
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# Copyright(c) 2019 Intel Corporation
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# binary name
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APP = ntb_fwd
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# all source are stored in SRCS-y
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SRCS-y := ntb_fwd.c
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# Build using pkg-config variables if possible
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ifneq ($(shell pkg-config --exists libdpdk && echo 0),0)
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$(error "no installation of DPDK found")
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endif
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all: shared
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.PHONY: shared static
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shared: build/$(APP)-shared
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ln -sf $(APP)-shared build/$(APP)
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static: build/$(APP)-static
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ln -sf $(APP)-static build/$(APP)
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PKGCONF ?= pkg-config
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CFLAGS += -D_FILE_OFFSET_BITS=64
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LDFLAGS += -pthread
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PC_FILE := $(shell $(PKGCONF) --path libdpdk 2>/dev/null)
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CFLAGS += -O3 $(shell $(PKGCONF) --cflags libdpdk)
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LDFLAGS_SHARED = $(shell $(PKGCONF) --libs libdpdk)
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LDFLAGS_STATIC = $(shell $(PKGCONF) --static --libs libdpdk)
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ifeq ($(MAKECMDGOALS),static)
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# check for broken pkg-config
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ifeq ($(shell echo $(LDFLAGS_STATIC) | grep 'whole-archive.*l:lib.*no-whole-archive'),)
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$(warning "pkg-config output list does not contain drivers between 'whole-archive'/'no-whole-archive' flags.")
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$(error "Cannot generate statically-linked binaries with this version of pkg-config")
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endif
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endif
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CFLAGS += -DALLOW_EXPERIMENTAL_API
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build/$(APP)-shared: $(SRCS-y) Makefile $(PC_FILE) | build
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$(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_SHARED)
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build/$(APP)-static: $(SRCS-y) Makefile $(PC_FILE) | build
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$(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_STATIC)
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build:
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@mkdir -p $@
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.PHONY: clean
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clean:
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rm -f build/$(APP) build/$(APP)-static build/$(APP)-shared
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test -d build && rmdir -p build || true
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