X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=examples%2Frxtx_callbacks%2FMakefile;h=584b9fafb0a6a7c92c82585cd8785c1fe4076b05;hb=4f299b7169000aa55fe7a48fe98736f728e4f710;hp=c72ba66d6c772a0696be9a9a11850fbdac35db12;hpb=8728ccf37615904cf23fb8763895b05c9a3c6b0c;p=dpdk.git

diff --git a/examples/rxtx_callbacks/Makefile b/examples/rxtx_callbacks/Makefile
index c72ba66d6c..584b9fafb0 100644
--- a/examples/rxtx_callbacks/Makefile
+++ b/examples/rxtx_callbacks/Makefile
@@ -8,8 +8,7 @@ APP = rxtx_callbacks
 SRCS-y := main.c
 
 # Build using pkg-config variables if possible
-$(shell pkg-config --exists libdpdk)
-ifeq ($(.SHELLSTATUS),0)
+ifeq ($(shell pkg-config --exists libdpdk && echo 0),0)
 
 all: shared
 .PHONY: shared static
@@ -18,12 +17,12 @@ shared: build/$(APP)-shared
 static: build/$(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)
-LDFLAGS_STATIC = -Wl,-Bstatic $(shell pkg-config --static --libs libdpdk)
+PKGCONF ?= pkg-config
 
-CFLAGS += -DALLOW_EXPERIMENTAL_API
+PC_FILE := $(shell $(PKGCONF) --path libdpdk 2>/dev/null)
+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) $(LDFLAGS_SHARED)
@@ -37,7 +36,7 @@ build:
 .PHONY: clean
 clean:
 	rm -f build/$(APP) build/$(APP)-static build/$(APP)-shared
-	rmdir --ignore-fail-on-non-empty build
+	test -d build && rmdir -p build || true
 
 else # Build using legacy build system
 
@@ -45,14 +44,16 @@ 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
 
-CFLAGS += -DALLOW_EXPERIMENTAL_API
 CFLAGS += $(WERROR_FLAGS)
 
+# rte_eth_read_clock is experimental
+CFLAGS += -DALLOW_EXPERIMENTAL_API
+
 # workaround for a gcc bug with noreturn attribute
 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12603
 ifeq ($(CONFIG_RTE_TOOLCHAIN_GCC),y)