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tools lib traceevent: Add version for traceevent shared object

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Adding version support for libtraceevent.so object.

Using the existing EVENT_PARSE_VERSION variable to construct
the .so object version string, which now consists of:

  $(EP_VERSION).$(EP_PATCHLEVEL).$(EP_EXTRAVERSION)

Looks like it was created for this purpose anyway.

The build will now produce following traeceevent libraries:

  $ ll libtraceevent*
  libtraceevent.a
  libtraceevent.so -> libtraceevent.so.1.1.0
  libtraceevent.so.1 -> libtraceevent.so.1.1.0
  libtraceevent.so.1.1.0

Also the install target will carry them:

  $ make DESTDIR=/tmp/krava prefix=/usr install
  INSTALL  trace_plugins
  INSTALL  libtraceevent.a
  INSTALL  libtraceevent.so.1.1.0

  $ find /tmp/krava/ | xargs ls -l
  ...
  /tmp/krava/usr/lib64:
  total 572
  libtraceevent.a
  libtraceevent.so -> libtraceevent.so.1.1.0
  libtraceevent.so.1 -> libtraceevent.so.1.1.0
  libtraceevent.so.1.1.0
  ...

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/n/tip-v64z62fh0dwt0ueie5usrnac@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2016-07-31 16:52:34 +02:00 committed by Arnaldo Carvalho de Melo
parent 39944a768a
commit fe316723a8
1 changed files with 9 additions and 5 deletions
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14
tools/lib/traceevent/Makefile
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@ -99,8 +99,6 @@ libdir_SQ = $(subst ','\'',$(libdir))
libdir_relative_SQ = $(subst ','\'',$(libdir_relative))
plugin_dir_SQ = $(subst ','\'',$(plugin_dir))
LIB_TARGET = libtraceevent.a libtraceevent.so
CONFIG_INCLUDES =
CONFIG_LIBS =
CONFIG_FLAGS =
@ -114,6 +112,9 @@ N =
EVENT_PARSE_VERSION = $(EP_VERSION).$(EP_PATCHLEVEL).$(EP_EXTRAVERSION)
LIB_TARGET = libtraceevent.a libtraceevent.so.$(EVENT_PARSE_VERSION)
LIB_INSTALL = libtraceevent.a libtraceevent.so*
INCLUDES = -I. -I $(srctree)/tools/include $(CONFIG_INCLUDES)
# Set compile option CFLAGS
@ -171,8 +172,10 @@ all_cmd: $(CMD_TARGETS)
$(TE_IN): force
$(Q)$(MAKE) $(build)=libtraceevent
$(OUTPUT)libtraceevent.so: $(TE_IN)
$(QUIET_LINK)$(CC) --shared $^ -o $@
$(OUTPUT)libtraceevent.so.$(EVENT_PARSE_VERSION): $(TE_IN)
$(QUIET_LINK)$(CC) --shared $^ -Wl,-soname,libtraceevent.so.$(EP_VERSION) -o $@
@ln -sf $(@F) $(OUTPUT)libtraceevent.so
@ln -sf $(@F) $(OUTPUT)libtraceevent.so.$(EP_VERSION)
$(OUTPUT)libtraceevent.a: $(TE_IN)
$(QUIET_LINK)$(RM) $@; $(AR) rcs $@ $^
@ -262,7 +265,8 @@ endef
install_lib: all_cmd install_plugins
$(call QUIET_INSTALL, $(LIB_TARGET)) \
$(call do_install,$(LIB_TARGET),$(libdir_SQ))
$(call do_install_mkdir,$(libdir_SQ)); \
cp -fpR $(LIB_INSTALL) $(DESTDIR)$(libdir_SQ)
install_plugins: $(PLUGINS)
$(call QUIET_INSTALL, trace_plugins) \