examples/multi_process: convert to pkg-config-based build

[dpdk.git] / examples / multi_process / client_server_mp / mp_server / Makefile

diff --git a/examples/multi_process/client_server_mp/mp_server/Makefile b/examples/multi_process/client_server_mp/mp_server/Makefile
index 50ebf1d..f49260a 100644 (file)
--- a/examples/multi_process/client_server_mp/mp_server/Makefile
+++ b/examples/multi_process/client_server_mp/mp_server/Makefile
@@ -1,34 +1,43 @@
 # SPDX-License-Identifier: BSD-3-Clause
 # Copyright(c) 2010-2014 Intel Corporation
 
-ifeq ($(RTE_SDK),)
-$(error "Please define RTE_SDK environment variable")
-endif
+# binary name
+APP = mp_server
 
-# Default target, detect a build directory, by looking for a path with a .config
-RTE_TARGET ?= $(notdir $(abspath $(dir $(firstword $(wildcard $(RTE_SDK)/*/.config)))))
+# all source are stored in SRCS-y
+SRCS-y := main.c init.c args.c
 
-include $(RTE_SDK)/mk/rte.vars.mk
+CFLAGS += -I../shared
 
-ifneq ($(CONFIG_RTE_EXEC_ENV_LINUX),y)
-$(error This application can only operate in a linux environment, \
-please change the definition of the RTE_TARGET environment variable)
+# Build using pkg-config variables if possible
+ifneq ($(shell pkg-config --exists libdpdk && echo 0),0)
+$(error "no installation of DPDK found")
 endif
 
-# binary name
-APP = mp_server
+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)
 
-# all source are stored in SRCS-y
-SRCS-y := main.c init.c args.c
+PKGCONF ?= pkg-config
+
+PC_FILE := $(shell $(PKGCONF) --path libdpdk 2>/dev/null)
+CFLAGS += -O3 $(shell $(PKGCONF) --cflags libdpdk)
+LDFLAGS_SHARED = $(shell $(PKGCONF) --libs libdpdk)
+LDFLAGS_STATIC = $(shell $(PKGCONF) --static --libs libdpdk)
 
-INC := $(sort $(wildcard *.h))
+build/$(APP)-shared: $(SRCS-y) Makefile $(PC_FILE) | build
+       $(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_SHARED)
 
-CFLAGS += -DALLOW_EXPERIMENTAL_API
-CFLAGS += $(WERROR_FLAGS) -O3
-CFLAGS += -I$(SRCDIR)/../shared
+build/$(APP)-static: $(SRCS-y) Makefile $(PC_FILE) | build
+       $(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_STATIC)
 
-# for newer gcc, e.g. 4.4, no-strict-aliasing may not be necessary
-# and so the next line can be removed in those cases.
-EXTRA_CFLAGS += -fno-strict-aliasing
+build:
+       @mkdir -p $@
 
-include $(RTE_SDK)/mk/rte.extapp.mk
+.PHONY: clean
+clean:
+       rm -f build/$(APP) build/$(APP)-static build/$(APP)-shared
+       test -d build && rmdir -p build || true