e9c6594264
Most examples have in their makefiles a default RTE_TARGET directory to be
used in case RTE_TARGET is not set. Rather than just using a hard-coded
default, we can instead detect what the build directory is relative to
RTE_SDK directory.
This fixes a potential issue for anyone who continues to build using
"make install T=x86_64-native-linuxapp-gcc" and skips setting RTE_TARGET
explicitly, instead relying on the fact that they were building in a
directory which corresponded to the example default path - which was
changed to "x86_64-native-linux-gcc" by commit 218c4e68c1 ("mk: use
linux and freebsd in config names").
Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Ferruh Yigit <ferruh.yigit@intel.com>
62 lines
1.6 KiB
Makefile
62 lines
1.6 KiB
Makefile
# SPDX-License-Identifier: BSD-3-Clause
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# Copyright(c) 2017 Intel Corporation
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# binary name
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APP = service_cores
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# all source are stored in SRCS-y
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SRCS-y := main.c
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# Build using pkg-config variables if possible
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$(shell pkg-config --exists libdpdk)
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ifeq ($(.SHELLSTATUS),0)
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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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PC_FILE := $(shell pkg-config --path libdpdk)
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CFLAGS += -O3 $(shell pkg-config --cflags libdpdk)
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LDFLAGS_SHARED = $(shell pkg-config --libs libdpdk)
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LDFLAGS_STATIC = -Wl,-Bstatic $(shell pkg-config --static --libs libdpdk)
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build/$(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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rmdir --ignore-fail-on-non-empty build
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else
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ifeq ($(RTE_SDK),)
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$(error "Please define RTE_SDK environment variable")
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endif
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# Default target, detect a build directory, by looking for a path with a .config
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RTE_TARGET ?= $(notdir $(abspath $(dir $(firstword $(wildcard $(RTE_SDK)/*/.config)))))
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include $(RTE_SDK)/mk/rte.vars.mk
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CFLAGS += $(WERROR_FLAGS)
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# workaround for a gcc bug with noreturn attribute
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# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12603
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ifeq ($(CONFIG_RTE_TOOLCHAIN_GCC),y)
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CFLAGS_main.o += -Wno-return-type
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endif
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include $(RTE_SDK)/mk/rte.extapp.mk
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endif
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