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Merge branch 'bpf-libbpf-cleanups'

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Jesper Dangaard Brouer says:

====================
This patchset contains some small improvements and cleanup for
the Makefile in tools/lib/bpf/.

It worries me that the libbpf.so shared library is not versioned,
but it not addressed in this patchset.
====================

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Daniel Borkmann 2018-01-17 01:18:11 +01:00
commit e8a9d9683c
1 changed files with 5 additions and 15 deletions
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20
tools/lib/bpf/Makefile
View file

@ -93,7 +93,6 @@ export prefix libdir src obj
# Shell quotes # Shell quotes
libdir_SQ = $(subst ','\'',$(libdir)) libdir_SQ = $(subst ','\'',$(libdir))
libdir_relative_SQ = $(subst ','\'',$(libdir_relative)) libdir_relative_SQ = $(subst ','\'',$(libdir_relative))
plugin_dir_SQ = $(subst ','\'',$(plugin_dir))
LIB_FILE = libbpf.a libbpf.so LIB_FILE = libbpf.a libbpf.so
@ -150,7 +149,7 @@ CMD_TARGETS = $(LIB_FILE)
TARGETS = $(CMD_TARGETS) TARGETS = $(CMD_TARGETS)
all: fixdep $(VERSION_FILES) all_cmd all: fixdep all_cmd
all_cmd: $(CMD_TARGETS) all_cmd: $(CMD_TARGETS)
@ -169,21 +168,11 @@ $(OUTPUT)libbpf.so: $(BPF_IN)
$(OUTPUT)libbpf.a: $(BPF_IN) $(OUTPUT)libbpf.a: $(BPF_IN)
$(QUIET_LINK)$(RM) $@; $(AR) rcs $@ $^ $(QUIET_LINK)$(RM) $@; $(AR) rcs $@ $^
define update_dir
(echo $1 > $@.tmp; \
if [ -r $@ ] && cmp -s $@ $@.tmp; then \
rm -f $@.tmp; \
else \
echo ' UPDATE $@'; \
mv -f $@.tmp $@; \
fi);
endef
define do_install define do_install
if [ ! -d '$(DESTDIR_SQ)$2' ]; then \ if [ ! -d '$(DESTDIR_SQ)$2' ]; then \
$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$2'; \ $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$2'; \
fi; \ fi; \
$(INSTALL) $1 '$(DESTDIR_SQ)$2' $(INSTALL) $1 $(if $3,-m $3,) '$(DESTDIR_SQ)$2'
endef endef
install_lib: all_cmd install_lib: all_cmd
@ -192,7 +181,8 @@ install_lib: all_cmd
install_headers: install_headers:
$(call QUIET_INSTALL, headers) \ $(call QUIET_INSTALL, headers) \
$(call do_install,bpf.h,$(prefix)/include/bpf,644) $(call do_install,bpf.h,$(prefix)/include/bpf,644); \
$(call do_install,libbpf.h,$(prefix)/include/bpf,644);
install: install_lib install: install_lib
@ -203,7 +193,7 @@ config-clean:
$(Q)$(MAKE) -C $(srctree)/tools/build/feature/ clean >/dev/null $(Q)$(MAKE) -C $(srctree)/tools/build/feature/ clean >/dev/null
clean: clean:
$(call QUIET_CLEAN, libbpf) $(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES) .*.d .*.cmd \ $(call QUIET_CLEAN, libbpf) $(RM) *.o *~ $(TARGETS) *.a *.so .*.d .*.cmd \
$(RM) LIBBPF-CFLAGS $(RM) LIBBPF-CFLAGS
$(call QUIET_CLEAN, core-gen) $(RM) $(OUTPUT)FEATURE-DUMP.libbpf $(call QUIET_CLEAN, core-gen) $(RM) $(OUTPUT)FEATURE-DUMP.libbpf