From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <dev-bounces@dpdk.org>
Received: from dpdk.org (dpdk.org [92.243.14.124])
	by inbox.dpdk.org (Postfix) with ESMTP id 2F1A9A0487
	for <public@inbox.dpdk.org>; Tue,  2 Jul 2019 16:45:02 +0200 (CEST)
Received: from [92.243.14.124] (localhost [127.0.0.1])
	by dpdk.org (Postfix) with ESMTP id E6FB41B9B4;
	Tue,  2 Jul 2019 16:44:58 +0200 (CEST)
Received: from mga06.intel.com (mga06.intel.com [134.134.136.31])
 by dpdk.org (Postfix) with ESMTP id 797871B9AF
 for <dev@dpdk.org>; Tue,  2 Jul 2019 16:44:56 +0200 (CEST)
X-Amp-Result: SKIPPED(no attachment in message)
X-Amp-File-Uploaded: False
Received: from fmsmga002.fm.intel.com ([10.253.24.26])
 by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;
 02 Jul 2019 07:44:55 -0700
X-ExtLoop1: 1
X-IronPort-AV: E=Sophos;i="5.63,443,1557212400"; d="scan'208";a="190683399"
Received: from silpixa00399126.ir.intel.com (HELO
 silpixa00399126.ger.corp.intel.com) ([10.237.223.2])
 by fmsmga002.fm.intel.com with ESMTP; 02 Jul 2019 07:44:53 -0700
From: Bruce Richardson <bruce.richardson@intel.com>
To: dev@dpdk.org
Cc: thomas@monjalon.net, bluca@debian.org,
 Bruce Richardson <bruce.richardson@intel.com>
Date: Tue,  2 Jul 2019 15:44:41 +0100
Message-Id: <20190702144445.12103-2-bruce.richardson@intel.com>
X-Mailer: git-send-email 2.21.0
In-Reply-To: <20190702144445.12103-1-bruce.richardson@intel.com>
References: <20190517114734.7072-1-bruce.richardson@intel.com>
 <20190702144445.12103-1-bruce.richardson@intel.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Subject: [dpdk-dev] [PATCH v3 1/5] examples: add support for relocated DPDK
	install
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: DPDK patches and discussions <dev.dpdk.org>
List-Unsubscribe: <https://mails.dpdk.org/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://mails.dpdk.org/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <https://mails.dpdk.org/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
Errors-To: dev-bounces@dpdk.org
Sender: "dev" <dev-bounces@dpdk.org>

For testing of DPDK, we want to override the prefix given by the
pkg-config file, so that we can get correct paths for DPDK installed
in an unusual location.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Luca Boccassi <bluca@debian.org>
---
 examples/bbdev_app/Makefile             | 10 ++++++----
 examples/bond/Makefile                  | 10 ++++++----
 examples/cmdline/Makefile               | 10 ++++++----
 examples/distributor/Makefile           | 10 ++++++----
 examples/eventdev_pipeline/Makefile     | 10 ++++++----
 examples/exception_path/Makefile        | 10 ++++++----
 examples/fips_validation/Makefile       | 10 ++++++----
 examples/flow_classify/Makefile         | 10 ++++++----
 examples/flow_filtering/Makefile        | 10 ++++++----
 examples/helloworld/Makefile            | 10 ++++++----
 examples/ip_fragmentation/Makefile      | 10 ++++++----
 examples/ip_pipeline/Makefile           | 10 ++++++----
 examples/ip_reassembly/Makefile         | 10 ++++++----
 examples/ipsec-secgw/Makefile           | 10 ++++++----
 examples/ipv4_multicast/Makefile        | 10 ++++++----
 examples/kni/Makefile                   | 10 ++++++----
 examples/l2fwd-cat/Makefile             | 10 ++++++----
 examples/l2fwd-crypto/Makefile          | 10 ++++++----
 examples/l2fwd-jobstats/Makefile        | 10 ++++++----
 examples/l2fwd-keepalive/Makefile       | 10 ++++++----
 examples/l2fwd/Makefile                 | 10 ++++++----
 examples/l3fwd-acl/Makefile             | 10 ++++++----
 examples/l3fwd-power/Makefile           | 10 ++++++----
 examples/l3fwd-vf/Makefile              | 10 ++++++----
 examples/l3fwd/Makefile                 | 10 ++++++----
 examples/link_status_interrupt/Makefile | 10 ++++++----
 examples/load_balancer/Makefile         | 10 ++++++----
 examples/packet_ordering/Makefile       | 10 ++++++----
 examples/ptpclient/Makefile             | 10 ++++++----
 examples/qos_meter/Makefile             | 10 ++++++----
 examples/qos_sched/Makefile             | 10 ++++++----
 examples/rxtx_callbacks/Makefile        | 10 ++++++----
 examples/service_cores/Makefile         | 10 ++++++----
 examples/skeleton/Makefile              | 10 ++++++----
 examples/tep_termination/Makefile       | 10 ++++++----
 examples/timer/Makefile                 | 10 ++++++----
 examples/vhost/Makefile                 | 10 ++++++----
 examples/vhost_scsi/Makefile            | 10 ++++++----
 examples/vmdq/Makefile                  | 10 ++++++----
 examples/vmdq_dcb/Makefile              | 10 ++++++----
 40 files changed, 240 insertions(+), 160 deletions(-)

diff --git a/examples/bbdev_app/Makefile b/examples/bbdev_app/Makefile
index af313d926..2bf97e415 100644
--- a/examples/bbdev_app/Makefile
+++ b/examples/bbdev_app/Makefile
@@ -18,10 +18,12 @@ 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 --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)
 
 CFLAGS += -DALLOW_EXPERIMENTAL_API
 
diff --git a/examples/bond/Makefile b/examples/bond/Makefile
index 278b5f690..96868f2fc 100644
--- a/examples/bond/Makefile
+++ b/examples/bond/Makefile
@@ -20,10 +20,12 @@ static: build/$(APP)-static
 
 LDFLAGS += -lrte_pmd_bond
 
-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 --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)
 
 CFLAGS += -DALLOW_EXPERIMENTAL_API
 
diff --git a/examples/cmdline/Makefile b/examples/cmdline/Makefile
index 03d9ed3cc..9b757316f 100644
--- a/examples/cmdline/Makefile
+++ b/examples/cmdline/Makefile
@@ -18,10 +18,12 @@ 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 --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) $(LDFLAGS_SHARED)
diff --git a/examples/distributor/Makefile b/examples/distributor/Makefile
index 2edc0ea3d..6aa5e7a9e 100644
--- a/examples/distributor/Makefile
+++ b/examples/distributor/Makefile
@@ -18,10 +18,12 @@ shared: build/$(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 --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) $(LDFLAGS_SHARED)
diff --git a/examples/eventdev_pipeline/Makefile b/examples/eventdev_pipeline/Makefile
index 1d3394947..626d56024 100644
--- a/examples/eventdev_pipeline/Makefile
+++ b/examples/eventdev_pipeline/Makefile
@@ -20,10 +20,12 @@ shared: build/$(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 --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) $(LDFLAGS_SHARED)
diff --git a/examples/exception_path/Makefile b/examples/exception_path/Makefile
index c3ba2787c..dc891b3d1 100644
--- a/examples/exception_path/Makefile
+++ b/examples/exception_path/Makefile
@@ -18,10 +18,12 @@ shared: build/$(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 --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) $(LDFLAGS_SHARED)
diff --git a/examples/fips_validation/Makefile b/examples/fips_validation/Makefile
index 19240911a..f8cbba592 100644
--- a/examples/fips_validation/Makefile
+++ b/examples/fips_validation/Makefile
@@ -27,10 +27,12 @@ shared: build/$(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 --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) $(LDFLAGS_SHARED)
diff --git a/examples/flow_classify/Makefile b/examples/flow_classify/Makefile
index 182debcba..aca7772b4 100644
--- a/examples/flow_classify/Makefile
+++ b/examples/flow_classify/Makefile
@@ -18,10 +18,12 @@ shared: build/$(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 --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)
 
 CFLAGS += -DALLOW_EXPERIMENTAL_API
 
diff --git a/examples/flow_filtering/Makefile b/examples/flow_filtering/Makefile
index b182a2a29..a64a10a08 100644
--- a/examples/flow_filtering/Makefile
+++ b/examples/flow_filtering/Makefile
@@ -16,10 +16,12 @@ 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 --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) $(LDFLAGS_SHARED)
diff --git a/examples/helloworld/Makefile b/examples/helloworld/Makefile
index 980b011fc..2ab294091 100644
--- a/examples/helloworld/Makefile
+++ b/examples/helloworld/Makefile
@@ -18,10 +18,12 @@ shared: build/$(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 --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) $(LDFLAGS_SHARED)
diff --git a/examples/ip_fragmentation/Makefile b/examples/ip_fragmentation/Makefile
index 56726d688..63b66ce25 100644
--- a/examples/ip_fragmentation/Makefile
+++ b/examples/ip_fragmentation/Makefile
@@ -19,10 +19,12 @@ shared: build/$(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 --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) $(LDFLAGS_SHARED)
diff --git a/examples/ip_pipeline/Makefile b/examples/ip_pipeline/Makefile
index acd93e29b..1553d705d 100644
--- a/examples/ip_pipeline/Makefile
+++ b/examples/ip_pipeline/Makefile
@@ -31,10 +31,12 @@ shared: build/$(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 --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)
 
 CFLAGS += -I.
 
diff --git a/examples/ip_reassembly/Makefile b/examples/ip_reassembly/Makefile
index 1baec86ad..5af5d63bd 100644
--- a/examples/ip_reassembly/Makefile
+++ b/examples/ip_reassembly/Makefile
@@ -19,10 +19,12 @@ 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 --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) $(LDFLAGS_SHARED)
diff --git a/examples/ipsec-secgw/Makefile b/examples/ipsec-secgw/Makefile
index a2d8244e8..1bfaf3b9a 100644
--- a/examples/ipsec-secgw/Makefile
+++ b/examples/ipsec-secgw/Makefile
@@ -29,10 +29,12 @@ shared: build/$(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 --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)
 
 CFLAGS += -DALLOW_EXPERIMENTAL_API
 
diff --git a/examples/ipv4_multicast/Makefile b/examples/ipv4_multicast/Makefile
index 5595b9cbf..a03bfadbf 100644
--- a/examples/ipv4_multicast/Makefile
+++ b/examples/ipv4_multicast/Makefile
@@ -19,10 +19,12 @@ 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 --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) $(LDFLAGS_SHARED)
diff --git a/examples/kni/Makefile b/examples/kni/Makefile
index e01703567..46f592692 100644
--- a/examples/kni/Makefile
+++ b/examples/kni/Makefile
@@ -18,11 +18,13 @@ shared: build/$(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)
+PKGCONF=pkg-config --define-prefix
+
+PC_FILE := $(shell $(PKGCONF) --path libdpdk)
+CFLAGS += -O3 $(shell $(PKGCONF) --cflags libdpdk)
 CFLAGS += -DALLOW_EXPERIMENTAL_API
-LDFLAGS_SHARED = $(shell pkg-config --libs libdpdk)
-LDFLAGS_STATIC = -Wl,-Bstatic $(shell pkg-config --static --libs 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) $(LDFLAGS_SHARED)
diff --git a/examples/l2fwd-cat/Makefile b/examples/l2fwd-cat/Makefile
index b4f729a66..e83d406b0 100644
--- a/examples/l2fwd-cat/Makefile
+++ b/examples/l2fwd-cat/Makefile
@@ -18,10 +18,12 @@ shared: build/$(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 --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)
 
 LDFLAGS += -lpqos
 
diff --git a/examples/l2fwd-crypto/Makefile b/examples/l2fwd-crypto/Makefile
index 3986a4c10..87d311193 100644
--- a/examples/l2fwd-crypto/Makefile
+++ b/examples/l2fwd-crypto/Makefile
@@ -18,10 +18,12 @@ 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 --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) $(LDFLAGS_SHARED)
diff --git a/examples/l2fwd-jobstats/Makefile b/examples/l2fwd-jobstats/Makefile
index 4517a3d7d..d63ece8e3 100644
--- a/examples/l2fwd-jobstats/Makefile
+++ b/examples/l2fwd-jobstats/Makefile
@@ -18,10 +18,12 @@ shared: build/$(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 --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) $(LDFLAGS_SHARED)
diff --git a/examples/l2fwd-keepalive/Makefile b/examples/l2fwd-keepalive/Makefile
index 56d0e0666..9b92bc238 100644
--- a/examples/l2fwd-keepalive/Makefile
+++ b/examples/l2fwd-keepalive/Makefile
@@ -20,10 +20,12 @@ static: build/$(APP)-static
 
 LDFLAGS += -pthread -lrt
 
-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 --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) $(LDFLAGS_SHARED)
diff --git a/examples/l2fwd/Makefile b/examples/l2fwd/Makefile
index 43277318f..fb352e1b7 100644
--- a/examples/l2fwd/Makefile
+++ b/examples/l2fwd/Makefile
@@ -18,10 +18,12 @@ shared: build/$(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 --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) $(LDFLAGS_SHARED)
diff --git a/examples/l3fwd-acl/Makefile b/examples/l3fwd-acl/Makefile
index b38343725..d12d3a987 100644
--- a/examples/l3fwd-acl/Makefile
+++ b/examples/l3fwd-acl/Makefile
@@ -18,10 +18,12 @@ shared: build/$(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 --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) $(LDFLAGS_SHARED)
diff --git a/examples/l3fwd-power/Makefile b/examples/l3fwd-power/Makefile
index 2b749d5c3..359f323dc 100644
--- a/examples/l3fwd-power/Makefile
+++ b/examples/l3fwd-power/Makefile
@@ -18,10 +18,12 @@ shared: build/$(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 --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)
 
 CFLAGS += -DALLOW_EXPERIMENTAL_API
 
diff --git a/examples/l3fwd-vf/Makefile b/examples/l3fwd-vf/Makefile
index 8ad2fbcbc..892ecf38b 100644
--- a/examples/l3fwd-vf/Makefile
+++ b/examples/l3fwd-vf/Makefile
@@ -18,10 +18,12 @@ 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 --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) $(LDFLAGS_SHARED)
diff --git a/examples/l3fwd/Makefile b/examples/l3fwd/Makefile
index dcc38a928..52976880a 100644
--- a/examples/l3fwd/Makefile
+++ b/examples/l3fwd/Makefile
@@ -18,10 +18,12 @@ shared: build/$(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 --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) $(LDFLAGS_SHARED)
diff --git a/examples/link_status_interrupt/Makefile b/examples/link_status_interrupt/Makefile
index 987724d47..77774eda7 100644
--- a/examples/link_status_interrupt/Makefile
+++ b/examples/link_status_interrupt/Makefile
@@ -18,10 +18,12 @@ shared: build/$(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 --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) $(LDFLAGS_SHARED)
diff --git a/examples/load_balancer/Makefile b/examples/load_balancer/Makefile
index 935ee1591..09676a57c 100644
--- a/examples/load_balancer/Makefile
+++ b/examples/load_balancer/Makefile
@@ -18,10 +18,12 @@ shared: build/$(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 --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) $(LDFLAGS_SHARED)
diff --git a/examples/packet_ordering/Makefile b/examples/packet_ordering/Makefile
index 2c3187a41..eb01b2d5b 100644
--- a/examples/packet_ordering/Makefile
+++ b/examples/packet_ordering/Makefile
@@ -18,10 +18,12 @@ shared: build/$(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 --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) $(LDFLAGS_SHARED)
diff --git a/examples/ptpclient/Makefile b/examples/ptpclient/Makefile
index 857a679b7..019476a7a 100644
--- a/examples/ptpclient/Makefile
+++ b/examples/ptpclient/Makefile
@@ -18,10 +18,12 @@ shared: build/$(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 --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) $(LDFLAGS_SHARED)
diff --git a/examples/qos_meter/Makefile b/examples/qos_meter/Makefile
index 7321f34f3..e4d170177 100644
--- a/examples/qos_meter/Makefile
+++ b/examples/qos_meter/Makefile
@@ -18,10 +18,12 @@ shared: build/$(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 --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)
 
 CFLAGS += -DALLOW_EXPERIMENTAL_API
 
diff --git a/examples/qos_sched/Makefile b/examples/qos_sched/Makefile
index 7012c3d4c..0c92c4866 100644
--- a/examples/qos_sched/Makefile
+++ b/examples/qos_sched/Makefile
@@ -18,10 +18,12 @@ 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 --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) $(LDFLAGS_SHARED)
diff --git a/examples/rxtx_callbacks/Makefile b/examples/rxtx_callbacks/Makefile
index a2fb1e3b0..2ababd2e4 100644
--- a/examples/rxtx_callbacks/Makefile
+++ b/examples/rxtx_callbacks/Makefile
@@ -18,10 +18,12 @@ shared: build/$(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 --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) $(LDFLAGS_SHARED)
diff --git a/examples/service_cores/Makefile b/examples/service_cores/Makefile
index 1dcd4c62e..ae7d6478c 100644
--- a/examples/service_cores/Makefile
+++ b/examples/service_cores/Makefile
@@ -18,10 +18,12 @@ shared: build/$(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 --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) $(LDFLAGS_SHARED)
diff --git a/examples/skeleton/Makefile b/examples/skeleton/Makefile
index b9cd05f2f..68454a558 100644
--- a/examples/skeleton/Makefile
+++ b/examples/skeleton/Makefile
@@ -18,10 +18,12 @@ shared: build/$(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 --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) $(LDFLAGS_SHARED)
diff --git a/examples/tep_termination/Makefile b/examples/tep_termination/Makefile
index 3782378d9..be5aa9a64 100644
--- a/examples/tep_termination/Makefile
+++ b/examples/tep_termination/Makefile
@@ -20,10 +20,12 @@ static: build/$(APP)-static
 
 LDFLAGS += -pthread
 
-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 --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)
 
 CFLAGS += -Wno-deprecated-declarations
 
diff --git a/examples/timer/Makefile b/examples/timer/Makefile
index f49703ff4..d21e4c63c 100644
--- a/examples/timer/Makefile
+++ b/examples/timer/Makefile
@@ -18,10 +18,12 @@ 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 --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) $(LDFLAGS_SHARED)
diff --git a/examples/vhost/Makefile b/examples/vhost/Makefile
index 9c3e0ece0..5e1400678 100644
--- a/examples/vhost/Makefile
+++ b/examples/vhost/Makefile
@@ -20,10 +20,12 @@ static: build/$(APP)-static
 
 LDFLAGS += -pthread
 
-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 --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)
 
 CFLAGS += -DALLOW_EXPERIMENTAL_API
 
diff --git a/examples/vhost_scsi/Makefile b/examples/vhost_scsi/Makefile
index 813ab66a8..3ea37ebc6 100644
--- a/examples/vhost_scsi/Makefile
+++ b/examples/vhost_scsi/Makefile
@@ -21,10 +21,12 @@ static: build/$(APP)-static
 CFLAGS += -D_FILE_OFFSET_BITS=64
 LDFLAGS += -pthread
 
-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 --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) $(LDFLAGS_SHARED)
diff --git a/examples/vmdq/Makefile b/examples/vmdq/Makefile
index b67d1937f..dc1bc82d0 100644
--- a/examples/vmdq/Makefile
+++ b/examples/vmdq/Makefile
@@ -18,10 +18,12 @@ shared: build/$(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 --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) $(LDFLAGS_SHARED)
diff --git a/examples/vmdq_dcb/Makefile b/examples/vmdq_dcb/Makefile
index 0ddcc320b..a77e78987 100644
--- a/examples/vmdq_dcb/Makefile
+++ b/examples/vmdq_dcb/Makefile
@@ -18,10 +18,12 @@ shared: build/$(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 --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)
-- 
2.21.0