# all source are stored in SRCS-y
SRCS-y := main.c
+PKGCONF ?= pkg-config
+
# Build using pkg-config variables if possible
-ifneq ($(shell pkg-config --exists libdpdk && echo 0),0)
+ifneq ($(shell $(PKGCONF) --exists libdpdk && echo 0),0)
$(error "no installation of DPDK found")
endif
static: build/$(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) -DALLOW_EXPERIMENTAL_API
+CFLAGS += -O3 $(shell $(PKGCONF) --cflags libdpdk)
LDFLAGS_SHARED = $(shell $(PKGCONF) --libs libdpdk)
LDFLAGS_STATIC = $(shell $(PKGCONF) --static --libs libdpdk)
+ifeq ($(MAKECMDGOALS),static)
+# check for broken pkg-config
+ifeq ($(shell echo $(LDFLAGS_STATIC) | grep 'whole-archive.*l:lib.*no-whole-archive'),)
+$(warning "pkg-config output list does not contain drivers between 'whole-archive'/'no-whole-archive' flags.")
+$(error "Cannot generate statically-linked binaries with this version of pkg-config")
+endif
+endif
+
+CFLAGS += -DALLOW_EXPERIMENTAL_API
+
build/$(APP)-shared: $(SRCS-y) Makefile $(PC_FILE) | build
$(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_SHARED)