build/pkg-config: improve static linking flags

[dpdk.git] / examples / l3fwd / Makefile

diff --git a/examples/l3fwd/Makefile b/examples/l3fwd/Makefile
index 8cc8f6a..b25a515 100644 (file)
--- a/examples/l3fwd/Makefile
+++ b/examples/l3fwd/Makefile
@@ -5,11 +5,11 @@
 APP = l3fwd
 
 # all source are stored in SRCS-y
-SRCS-y := main.c l3fwd_lpm.c l3fwd_em.c
+SRCS-y := main.c l3fwd_lpm.c l3fwd_em.c l3fwd_event.c
+SRCS-y += l3fwd_event_generic.c l3fwd_event_internal_port.c
 
 # Build using pkg-config variables if possible
-$(shell pkg-config --exists libdpdk)
-ifeq ($(.SHELLSTATUS),0)
+ifeq ($(shell pkg-config --exists libdpdk && echo 0),0)
 
 all: shared
 .PHONY: shared static
@@ -18,12 +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
 
-CFLAGS += -DALLOW_EXPERIMENTAL_API
+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)
 
 build/$(APP)-shared: $(SRCS-y) Makefile $(PC_FILE) | build
        $(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_SHARED)
@@ -37,7 +37,7 @@ build:
 .PHONY: clean
 clean:
        rm -f build/$(APP) build/$(APP)-static build/$(APP)-shared
-       rmdir --ignore-fail-on-non-empty build
+       test -d build && rmdir -p build || true
 
 else # Build using legacy build system
 
@@ -45,15 +45,15 @@ 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
 
-CFLAGS += -DALLOW_EXPERIMENTAL_API
 CFLAGS += -I$(SRCDIR)
 CFLAGS += -O3 $(USER_FLAGS)
 CFLAGS += $(WERROR_FLAGS)
+CFLAGS += -DALLOW_EXPERIMENTAL_API
 
 include $(RTE_SDK)/mk/rte.extapp.mk
 endif