Adding shared library version, generating following files: $ ll toos/perf/lib/libperf.so* libperf.so -> libperf.so.0.0.1 libperf.so.0 -> libperf.so.0.0.1 libperf.so.0.0.1
Link: http://lkml.kernel.org/n/tip-d2cnt8qoqc5nxiibvzvuw...@git.kernel.org Signed-off-by: Jiri Olsa <jo...@kernel.org> --- tools/perf/lib/Makefile | 20 +++++++++++++++++--- tools/perf/lib/libperf.map | 4 ++++ 2 files changed, 21 insertions(+), 3 deletions(-) create mode 100644 tools/perf/lib/libperf.map diff --git a/tools/perf/lib/Makefile b/tools/perf/lib/Makefile index e6f2eb702aaa..25a6476f8b12 100644 --- a/tools/perf/lib/Makefile +++ b/tools/perf/lib/Makefile @@ -1,6 +1,10 @@ # SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) # Most of this file is copied from tools/lib/bpf/Makefile +LIBPERF_VERSION = 0 +LIBPERF_PATCHLEVEL = 0 +LIBPERF_EXTRAVERSION = 1 + MAKEFLAGS += --no-print-directory ifeq ($(srctree),) @@ -47,7 +51,13 @@ all: export srctree OUTPUT CC LD CFLAGS V include $(srctree)/tools/build/Makefile.include -LIBPERF_SO := $(OUTPUT)libperf.so +VERSION_SCRIPT := libperf.map + +PATCHLEVEL = $(LIBPERF_PATCHLEVEL) +EXTRAVERSION = $(LIBPERF_EXTRAVERSION) +VERSION = $(LIBPERF_VERSION).$(LIBPERF_PATCHLEVEL).$(LIBPERF_EXTRAVERSION) + +LIBPERF_SO := $(OUTPUT)libperf.so.$(VERSION) LIBPERF_A := $(OUTPUT)libperf.a LIBPERF_IN := $(OUTPUT)libperf-in.o @@ -58,7 +68,11 @@ $(LIBPERF_A): $(LIBPERF_IN) $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(LIBPERF_IN) $(LIBPERF_SO): $(LIBPERF_IN) - $(QUIET_LINK)$(CC) --shared -Wl,-soname,libperf.so $^ -o $@ + $(QUIET_LINK)$(CC) --shared -Wl,-soname,libperf.so \ + -Wl,--version-script=$(VERSION_SCRIPT) $^ -o $@ + @ln -sf $(@F) $(OUTPUT)libperf.so + @ln -sf $(@F) $(OUTPUT)libperf.so.$(LIBPERF_VERSION) + libs: $(LIBPERF_A) $(LIBPERF_SO) @@ -67,7 +81,7 @@ all: fixdep clean: $(call QUIET_CLEAN, libperf) $(RM) $(LIBPERF_A) \ - *.o *~ *.a *.so .*.d .*.cmd LIBPERF-CFLAGS + *.o *~ *.a *.so *.so.$(VERSION) *.so.$(LIBPERF_VERSION) .*.d .*.cmd LIBPERF-CFLAGS FORCE: diff --git a/tools/perf/lib/libperf.map b/tools/perf/lib/libperf.map new file mode 100644 index 000000000000..a8e913988edf --- /dev/null +++ b/tools/perf/lib/libperf.map @@ -0,0 +1,4 @@ +LIBPERF_0.0.1 { + local: + *; +}; -- 2.21.0
