perf: fix for rebuilding

Fix for rebuilding error:
make[3]: *** No rule to make target `/path/to/sysroots/qemuarm64/usr/src/kernel/tools/lib/traceevent//trace-seq.c',
needed by `.trace-seq.d'.  Stop.
make[2]: *** [sub-make] Error 2

Signed-off-by: Robert Yang <liezhi.yang@windriver.com>

diff --git a/meta/recipes-kernel/perf/perf.bb b/meta/recipes-kernel/perf/perf.bb
index bd57c6c246be82381f7b9c52324690812b7b8981..6925eb22ccc9b4ed33df6945a8566853b9045fac 100644 (file)
--- a/meta/recipes-kernel/perf/perf.bb
+++ b/meta/recipes-kernel/perf/perf.bb
@@ -115,6 +115,10 @@ do_install() {
 }
 
 do_configure_prepend () {
+    # Fix for rebuilding
+    rm -rf ${B}/
+    mkdir ${B}/
+
     #kernels before 3.1 do not support WERROR env variable
     sed -i 's,-Werror ,,' ${S}/tools/perf/Makefile
     if [ -e "${S}/tools/perf/config/Makefile" ]; then