69b1bb49ed
Some versions of pkg-config don't support the --path flag, which is not a
fatal error when building the apps. Without the flag, the makefile just
cannot track the .pc file of DPDK as a dependency of the build. Therefore,
we can ignore the error and suppress it by redirecting to /dev/null the
stderr from that call to pkg-config.
Fixes: 22119c4591 ("examples: use pkg-config in makefiles")
Cc: stable@dpdk.org
Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Tested-by: Ferruh Yigit <ferruh.yigit@intel.com>
66 lines
1.7 KiB
Makefile
66 lines
1.7 KiB
Makefile
# SPDX-License-Identifier: BSD-3-Clause
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# Copyright(c) 2010-2014 Intel Corporation
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# binary name
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APP = qos_sched
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# all source are stored in SRCS-y
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SRCS-y := main.c args.c init.c app_thread.c cfg_file.c cmdline.c stats.c
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# Build using pkg-config variables if possible
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ifeq ($(shell pkg-config --exists libdpdk && echo 0),0)
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all: shared
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.PHONY: shared static
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shared: build/$(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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PKGCONF ?= pkg-config
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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 = -Wl,-Bstatic $(shell $(PKGCONF) --static --libs libdpdk)
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build/$(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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test -d build && rmdir -p build || true
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else # Build using legacy build system
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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 $(RTE_SDK)/mk/rte.vars.mk
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ifneq ($(CONFIG_RTE_EXEC_ENV_LINUX),y)
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$(info This application can only operate in a linux environment, \
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please change the definition of the RTE_TARGET environment variable)
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all:
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clean:
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else
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CFLAGS += -O3
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CFLAGS += $(WERROR_FLAGS)
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include $(RTE_SDK)/mk/rte.extapp.mk
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endif
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endif
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