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>
[sw0312.kim: backport upstream commit 39efdd94e314 to resolved gcc-12 build issue]
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Change-Id: I8bb940b7c02b919b0af16a499ff33a53472ed939

diff --git a/tools/lib/traceevent/Makefile b/tools/lib/traceevent/Makefile
index cc3315da6dc397d6ef672089ce6a34577e1957b1..755bcc81d8d17666a27f2b8004160e14ee1300c3 100644 (file)
--- a/tools/lib/traceevent/Makefile
+++ b/tools/lib/traceevent/Makefile
@@ -251,7 +251,7 @@ endef
 
 define do_generate_dynamic_list_file
        (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
 endef