build/pkg-config: improve static linking flags

[dpdk.git] / examples / ipsec-secgw / Makefile

diff --git a/examples/ipsec-secgw/Makefile b/examples/ipsec-secgw/Makefile
index c4d07cc..ab15fca 100644 (file)
--- a/examples/ipsec-secgw/Makefile
+++ b/examples/ipsec-secgw/Makefile
@@ -1,23 +1,76 @@
 # SPDX-License-Identifier: BSD-3-Clause
 # Copyright(c) 2016 Intel Corporation
 
+APP = ipsec-secgw
+
+#
+# all source are stored in SRCS-y
+#
+SRCS-y += parser.c
+SRCS-y += ipsec.c
+SRCS-y += esp.c
+SRCS-y += sp4.c
+SRCS-y += sp6.c
+SRCS-y += sa.c
+SRCS-y += sad.c
+SRCS-y += rt.c
+SRCS-y += ipsec_process.c
+SRCS-y += ipsec-secgw.c
+SRCS-y += ipsec_worker.c
+SRCS-y += event_helper.c
+
+CFLAGS += -gdwarf-2
+
+# 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
+
+PC_FILE := $(shell $(PKGCONF) --path libdpdk 2>/dev/null)
+CFLAGS += -O3 $(shell $(PKGCONF) --cflags libdpdk)
+LDFLAGS_SHARED = $(shell $(PKGCONF) --libs libdpdk)
+LDFLAGS_STATIC = $(shell $(PKGCONF) --static --libs libdpdk)
+
+CFLAGS += -DALLOW_EXPERIMENTAL_API
+
+build/$(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
+
 ifeq ($(RTE_SDK),)
-       $(error "Please define RTE_SDK environment variable")
+$(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
 
 ifneq ($(MAKECMDGOALS),clean)
-ifneq ($(CONFIG_RTE_LIBRTE_SECURITY),y)
-$(error "RTE_LIBRTE_SECURITY is required to build ipsec-secgw")
+ifneq ($(CONFIG_RTE_LIBRTE_IPSEC),y)
+$(error "RTE_LIBRTE_IPSEC is required to build ipsec-secgw")
 endif
 endif
 
-APP = ipsec-secgw
-
 CFLAGS += -DALLOW_EXPERIMENTAL_API
 CFLAGS += -O3 -gdwarf-2
 CFLAGS += $(WERROR_FLAGS)
@@ -29,16 +82,6 @@ ifeq ($(DEBUG),1)
 CFLAGS += -DIPSEC_DEBUG -fstack-protector-all -O0
 endif
 
-#
-# all source are stored in SRCS-y
-#
-SRCS-y += parser.c
-SRCS-y += ipsec.c
-SRCS-y += esp.c
-SRCS-y += sp4.c
-SRCS-y += sp6.c
-SRCS-y += sa.c
-SRCS-y += rt.c
-SRCS-y += ipsec-secgw.c
-
 include $(RTE_SDK)/mk/rte.extapp.mk
+
+endif