examples: detect default build directory

[dpdk.git] / examples / ethtool / ethtool-app / Makefile

diff --git a/examples/ethtool/ethtool-app/Makefile b/examples/ethtool/ethtool-app/Makefile
index 4cd9efd..3543bde 100644 (file)
--- a/examples/ethtool/ethtool-app/Makefile
+++ b/examples/ethtool/ethtool-app/Makefile
@@ -5,8 +5,8 @@ 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
 
@@ -16,7 +16,7 @@ APP = ethtool
 # all source are stored in SRCS-y
 SRCS-y := main.c ethapp.c
 
-CFLAGS += -O3 -D_GNU_SOURCE -pthread -I$(SRCDIR)/../lib
+CFLAGS += -O3 -pthread -I$(SRCDIR)/../lib
 CFLAGS += $(WERROR_FLAGS)
 
 LDLIBS += -L$(subst ethtool-app,lib,$(RTE_OUTPUT))/lib