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

[dpdk.git] / examples / multi_process / simple_mp / Makefile

diff --git a/examples/multi_process/simple_mp/Makefile b/examples/multi_process/simple_mp/Makefile
index f88b499..410f8b5 100644 (file)
--- a/examples/multi_process/simple_mp/Makefile
+++ b/examples/multi_process/simple_mp/Makefile
@@ -1,23 +1,41 @@
 # SPDX-License-Identifier: BSD-3-Clause
 # Copyright(c) 2010-2014 Intel Corporation
 
-ifeq ($(RTE_SDK),)
-$(error "Please define RTE_SDK environment variable")
-endif
-
-# Default target, detect a build directory, by looking for a path with a .config
-RTE_TARGET ?= $(notdir $(abspath $(dir $(firstword $(wildcard $(RTE_SDK)/*/.config)))))
-
-include $(RTE_SDK)/mk/rte.vars.mk
-
 # binary name
 APP = simple_mp
 
 # all source are stored in SRCS-y
 SRCS-y := main.c mp_commands.c
 
-CFLAGS += -O3
-CFLAGS += $(WERROR_FLAGS)
-CFLAGS += -DALLOW_EXPERIMENTAL_API
+# Build using pkg-config variables if possible
+ifneq ($(shell pkg-config --exists libdpdk && echo 0),0)
+$(error "no installation of DPDK found")
+endif
+
+all: shared
+.PHONY: shared static
+shared: build/$(APP)-shared
+       ln -sf $(APP)-shared build/$(APP)
+static: build/$(APP)-static
+       ln -sf $(APP)-static build/$(APP)
+
+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 $(PKGCONF) --static --libs libdpdk)
+
+build/$(APP)-shared: $(SRCS-y) Makefile $(PC_FILE) | build
+       $(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_SHARED)
+
+build/$(APP)-static: $(SRCS-y) Makefile $(PC_FILE) | build
+       $(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_STATIC)
+
+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