X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=examples%2Fload_balancer%2FMakefile;h=caae8a1071a842ba79356b18d065e8e32e53b612;hb=0edf18eee2e7bf2c406fe29679a1c1ee3e4cc083;hp=9814dcc60441db20857dfc41c76afa9d1109bb6c;hpb=3998e2a07220844d3f3c17f76a781ced3efe0de0;p=dpdk.git

diff --git a/examples/load_balancer/Makefile b/examples/load_balancer/Makefile
index 9814dcc604..caae8a1071 100644
--- a/examples/load_balancer/Makefile
+++ b/examples/load_balancer/Makefile
@@ -1,24 +1,56 @@
 # SPDX-License-Identifier: BSD-3-Clause
 # Copyright(c) 2010-2014 Intel Corporation
 
+# binary name
+APP = load_balancer
+
+# all source are stored in SRCS-y
+SRCS-y := main.c config.c init.c runtime.c
+
+# Build using pkg-config variables if possible
+ifeq ($(shell pkg-config --exists libdpdk && echo 0),0)
+
+all: shared
+.PHONY: shared static
+shared: build/$(APP)-shared
+	ln -sf $(APP)-shared build/$(APP)
+static: build/$(APP)-static
+	ln -sf $(APP)-static build/$(APP)
+
+PKGCONF=pkg-config --define-prefix
+
+PC_FILE := $(shell $(PKGCONF) --path libdpdk)
+CFLAGS += -O3 $(shell $(PKGCONF) --cflags libdpdk)
+LDFLAGS_SHARED = $(shell $(PKGCONF) --libs libdpdk)
+LDFLAGS_STATIC = -Wl,-Bstatic $(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 $@
+
+.PHONY: clean
+clean:
+	rm -f build/$(APP) build/$(APP)-static build/$(APP)-shared
+	test -d build && rmdir -p build || true
+
+else # Build using legacy build system
+
 ifeq ($(RTE_SDK),)
 $(error "Please define RTE_SDK environment variable")
 endif
 
-# Default target, can be overridden by command line or environment
-RTE_TARGET ?= x86_64-native-linuxapp-gcc
+# 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 = load_balancer
-
-# all source are stored in SRCS-y
-SRCS-y := main.c config.c init.c runtime.c
-
 CFLAGS += -O3 -g
 CFLAGS += $(WERROR_FLAGS)
-CFLAGS_config.o := -D_GNU_SOURCE
 
 # workaround for a gcc bug with noreturn attribute
 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12603
@@ -27,3 +59,4 @@ CFLAGS_main.o += -Wno-return-type
 endif
 
 include $(RTE_SDK)/mk/rte.extapp.mk
+endif