[PULL 18/20] ebpf: Add a separate target for skeleton

Jason Wang posted 20 patches 5 months, 3 weeks ago
Maintainers: Jason Wang <jasowang@redhat.com>, Andrew Melnychenko <andrew@daynix.com>, Yuri Benditovich <yuri.benditovich@daynix.com>, Dmitry Fleytman <dmitry.fleytman@gmail.com>, Akihiko Odaki <akihiko.odaki@daynix.com>, Sriram Yagnaraman <sriram.yagnaraman@ericsson.com>, "Michael S. Tsirkin" <mst@redhat.com>, Luigi Rizzo <rizzo@iet.unipi.it>, Giuseppe Lettieri <g.lettieri@iet.unipi.it>, Vincenzo Maffione <v.maffione@gmail.com>
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[PULL 18/20] ebpf: Add a separate target for skeleton
Posted by Jason Wang 5 months, 3 weeks ago
From: Akihiko Odaki <akihiko.odaki@daynix.com>

This generalizes the rule to generate the skeleton and allows to add
another.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
---
 tools/ebpf/Makefile.ebpf | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/tools/ebpf/Makefile.ebpf b/tools/ebpf/Makefile.ebpf
index 3391e7ce08..572ca5987a 100755
--- a/tools/ebpf/Makefile.ebpf
+++ b/tools/ebpf/Makefile.ebpf
@@ -1,23 +1,24 @@
-OBJS = rss.bpf.o
+SKELETONS = rss.bpf.skeleton.h
 
 LLVM_STRIP ?= llvm-strip
 CLANG ?= clang
 INC_FLAGS = `$(CLANG) -print-file-name=include`
 EXTRA_CFLAGS ?= -O2 -g -target bpf
 
-all: $(OBJS)
+all: $(SKELETONS)
 
 .PHONY: clean
 
 clean:
-	rm -f $(OBJS)
-	rm -f rss.bpf.skeleton.h
+	rm -f $(SKELETONS) $(SKELETONS:%.skeleton.h=%.o)
 
-$(OBJS):  %.o:%.c
+%.o: %.c
 	$(CLANG) $(INC_FLAGS) \
                 -D__KERNEL__ -D__ASM_SYSREG_H \
                 -I../include $(LINUXINCLUDE) \
                 $(EXTRA_CFLAGS) -c $< -o $@
 	$(LLVM_STRIP) -g $@
-	bpftool gen skeleton rss.bpf.o > rss.bpf.skeleton.h
-	cp rss.bpf.skeleton.h ../../ebpf/
+
+%.skeleton.h: %.o
+	bpftool gen skeleton $< > $@
+	cp $@ ../../ebpf/
-- 
2.42.0