build/pkg-config: improve static linking flags

[dpdk.git] / examples / bond / Makefile

diff --git a/examples/bond/Makefile b/examples/bond/Makefile
index edc699d..4e4289e 100644 (file)
--- a/examples/bond/Makefile
+++ b/examples/bond/Makefile
@@ -7,12 +7,49 @@ APP = bond_app
 # all source are stored in SRCS-y
 SRCS-y := main.c
 
+# 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)
+
+LDFLAGS += -lrte_pmd_bond
+
+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")
 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
 
@@ -25,9 +62,12 @@ CFLAGS_main.o += -Wno-return-type
 endif
 
 CFLAGS += -O3
+CFLAGS += -DALLOW_EXPERIMENTAL_API
 
 ifeq ($(CONFIG_RTE_BUILD_SHARED_LIB),y)
 LDLIBS += -lrte_pmd_bond
 endif
 
 include $(RTE_SDK)/mk/rte.extapp.mk
+
+endif