examples: use pkg-config in makefiles

[dpdk.git] / examples / vhost / Makefile

diff --git a/examples/vhost/Makefile b/examples/vhost/Makefile
index 051ec18..ac0f48d 100644 (file)
--- a/examples/vhost/Makefile
+++ b/examples/vhost/Makefile
@@ -1,6 +1,33 @@
 # SPDX-License-Identifier: BSD-3-Clause
 # Copyright(c) 2010-2014 Intel Corporation
 
+# binary name
+APP = vhost-switch
+
+# all source are stored in SRCS-y
+SRCS-y := main.c virtio_net.c
+
+# Build using pkg-config variables if possible
+$(shell pkg-config --exists libdpdk)
+ifeq ($(.SHELLSTATUS),0)
+
+PC_FILE := $(shell pkg-config --path libdpdk)
+CFLAGS += $(shell pkg-config --cflags libdpdk)
+LDFLAGS += $(shell pkg-config --libs libdpdk)
+
+build/$(APP): $(SRCS-y) Makefile $(PC_FILE) | build
+       $(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS)
+
+build:
+       @mkdir -p $@
+
+.PHONY: clean
+clean:
+       rm -f build/$(APP)
+       rmdir --ignore-fail-on-non-empty build
+
+else # Build using legacy build system
+
 ifeq ($(RTE_SDK),)
 $(error "Please define RTE_SDK environment variable")
 endif
@@ -16,12 +43,6 @@ please change the definition of the RTE_TARGET environment variable)
 all:
 else
 
-# binary name
-APP = vhost-switch
-
-# all source are stored in SRCS-y
-SRCS-y := main.c virtio_net.c
-
 CFLAGS += -O2 -D_FILE_OFFSET_BITS=64
 CFLAGS += $(WERROR_FLAGS)
 CFLAGS += -D_GNU_SOURCE
@@ -29,3 +50,4 @@ CFLAGS += -D_GNU_SOURCE
 include $(RTE_SDK)/mk/rte.extapp.mk
 
 endif
+endif