When provided as an example in a DPDK package, the build of the example app should use the pkg-config-supplied values from the package. As with other examples, set up makefile to allow compilation either using pkg-config or old $RTE_SDK/$RTE_TARGET values.
Signed-off-by: Bruce Richardson <bruce.richard...@intel.com> --- examples/ethtool/Makefile | 50 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/examples/ethtool/Makefile b/examples/ethtool/Makefile index 2b40b4b61..9ea7e0e07 100644 --- a/examples/ethtool/Makefile +++ b/examples/ethtool/Makefile @@ -1,6 +1,54 @@ # SPDX-License-Identifier: BSD-3-Clause # Copyright(c) 2015 Intel Corporation +# Build using pkg-config variables if possible +$(shell pkg-config --exists libdpdk) +ifeq ($(.SHELLSTATUS),0) + +# sample app consists of two parts, an example library and app using it +APP := ethtool +SRCS-y := ethtool-app/main.c ethtool-app/ethapp.c + +LIB := rte_ethtool +LIB-SRC := rte_ethtool.c + +all: shared +.PHONY: shared static +shared: build/$(APP)-shared + ln -sf $(APP)-shared build/$(APP) +static: build/$(APP)-static + ln -sf $(APP)-static build/$(APP) + +PC_FILE := $(shell pkg-config --path libdpdk) +CFLAGS += -O3 $(shell pkg-config --cflags libdpdk) +LDFLAGS_SHARED = $(shell pkg-config --libs libdpdk) -lrte_pmd_ixgbe +LDFLAGS_STATIC = -Wl,-Bstatic $(shell pkg-config --static --libs libdpdk) + +LIB-OBJ := build/$(LIB-SRC:.c=.o) +AR_FILE := build/lib$(LIB).a + +$(LIB-OBJ): lib/$(LIB-SRC) Makefile $(PC_FILE) | build + $(CC) -c $(CFLAGS) lib/$(LIB-SRC) -o $@ + +$(AR_FILE): $(LIB-OBJ) + $(AR) r $@ $< + +build/$(APP)-shared: $(SRCS-y) $(AR_FILE) Makefile $(PC_FILE) | build + $(CC) -Ilib $(CFLAGS) $(SRCS-y) $(AR_FILE) -o $@ $(LDFLAGS) $(LDFLAGS_SHARED) + +build/$(APP)-static: $(SRCS-y) $(AR_FILE) Makefile $(PC_FILE) | build + $(CC) -Ilib $(CFLAGS) $(SRCS-y) $(AR_FILE) -o $@ $(LDFLAGS) $(LDFLAGS_STATIC) + +build: + @mkdir -p $@ + +.PHONY: clean +clean: + rm -f build/$(APP) build/$(APP)-static build/$(APP)-shared + rmdir --ignore-fail-on-non-empty build + +else + ifeq ($(RTE_SDK),) $(error "Please define RTE_SDK environment variable") endif @@ -21,3 +69,5 @@ endif DEPDIRS-ethtool-app := lib include $(RTE_SDK)/mk/rte.extsubdir.mk + +endif # no pkg-config for DPDK -- 2.14.3
