BACKPORT: libtraceevent: Fix build with binutils 2.35

In binutils 2.35, 'nm -D' changed to show symbol versions along with
symbol names, with the usual @@ separator.  When generating
libtraceevent-dynamic-list we need just the names, so strip off the
version suffix if present.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Reviewed-by: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-trace-devel@vger.kernel.org
Cc: stable@vger.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
(cherry picked from commit 39efdd94e314336f4acbac4c07e0f37bdc3bef71)

Conflicts:
	tools/lib/traceevent/plugins/Makefile
        [renamed from tools/lib/traceevent/Makefile]

Change-Id: I5b3eea63a5cc92604cc135790894b464202db81e
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
This commit is contained in:
Ben Hutchings
2020-07-25 02:06:23 +01:00
committed by Tao Huang
parent cbe1c93391
commit 254429cb15

View File

@ -263,7 +263,7 @@ define do_generate_dynamic_list_file
xargs echo "U w W" | tr 'w ' 'W\n' | sort -u | xargs echo`;\
if [ "$$symbol_type" = "U W" ];then \
(echo '{'; \
$(NM) -u -D $1 | awk 'NF>1 {print "\t"$$2";"}' | sort -u;\
$(NM) -u -D $1 | awk 'NF>1 {sub("@.*", "", $$2); print "\t"$$2";"}' | sort -u;\
echo '};'; \
) > $2; \
else \