[19.08,6/6] examples/vhost_crypto: support building from pkg-config info
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Commit Message
The vhost_crypto example app did not check for a libdpdk pkg-config file
and attempt to build using that. Add support for that method of compile to
align the app with the other examples.
Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
---
examples/vhost_crypto/Makefile | 55 +++++++++++++++++++++++++++++-----
1 file changed, 47 insertions(+), 8 deletions(-)
@@ -1,6 +1,50 @@
# SPDX-License-Identifier: BSD-3-Clause
# Copyright(c) 2017-2018 Intel Corporation
+# binary name
+APP = vhost-crypto
+
+# all source are stored in SRCS-y
+SRCS-y := main.c
+CFLAGS += -DALLOW_EXPERIMENTAL_API
+
+# Build using pkg-config variables if possible
+$(shell pkg-config --exists libdpdk)
+ifeq ($(.SHELLSTATUS),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
+ifneq ($(DPDK_PC_PREFIX),)
+ PKGCONF += --define-variable=prefix=$(DPDK_PC_PREFIX)
+endif
+
+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) $(LDFLAGS_SHARED)
+
+build/$(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
+ rmdir --ignore-fail-on-non-empty build
+
+else
+
ifeq ($(RTE_SDK),)
$(error "Please define RTE_SDK environment variable")
endif
@@ -16,16 +60,11 @@ please change the definition of the RTE_TARGET environment variable)
all:
else
-# binary name
-APP = vhost-crypto
-
-# all source are stored in SRCS-y
-SRCS-y := main.c
-
-CFLAGS += -DALLOW_EXPERIMENTAL_API
CFLAGS += -O2 -D_FILE_OFFSET_BITS=64
CFLAGS += $(WERROR_FLAGS)
include $(RTE_SDK)/mk/rte.extapp.mk
-endif
+endif # Linux
+
+endif # pkg-config