examples: warn about broken pkg-config

[dpdk.git] / examples / ip_fragmentation / Makefile

diff --git a/examples/ip_fragmentation/Makefile b/examples/ip_fragmentation/Makefile
index f6baf63..b5b546e 100644 (file)
--- a/examples/ip_fragmentation/Makefile
+++ b/examples/ip_fragmentation/Makefile
@@ -24,10 +24,19 @@ PKGCONF ?= pkg-config
 
 PC_FILE := $(shell $(PKGCONF) --path libdpdk 2>/dev/null)
 CFLAGS += -O3 $(shell $(PKGCONF) --cflags libdpdk)
-CFLAGS += -DALLOW_EXPERIMENTAL_API
 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)