examples/ioat: add option to control maximum frame size

[dpdk.git] / examples / vdpa / Makefile

diff --git a/examples/vdpa/Makefile b/examples/vdpa/Makefile
index c4b2184..d974db4 100644 (file)
--- a/examples/vdpa/Makefile
+++ b/examples/vdpa/Makefile
@@ -8,8 +8,10 @@ APP = vdpa
 SRCS-y := main.c
 CFLAGS += -DALLOW_EXPERIMENTAL_API
 
+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
 
@@ -20,13 +22,19 @@ shared: build/$(APP)-shared
 static: build/$(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)
 
+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.")
+$(error "Cannot generate statically-linked binaries with this version of pkg-config")
+endif
+endif
+
 build/$(APP)-shared: $(SRCS-y) Makefile $(PC_FILE) | build
        $(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_SHARED)