systemtap: Disable dangling-pointer warning

This is to fix build in RISCV64

| In constructor 'symresolution_info::symresolution_info(systemtap_session&, bool)',
|     inlined from 'int semantic_pass_symbols(systemtap_session&)' at ../git/elaborate.cxx:1884:28:
| ../git/elaborate.cxx:2601:21: error: storing the address of local variable 'sym' in '*s.systemtap_session::symbol_resolver' [-Werror=dangling-pointer=]
|  2601 |   s.symbol_resolver = this; // save resolver for early PR25841 function resolution
|       |   ~~~~~~~~~~~~~~~~~~^~~~~~
| ../git/elaborate.cxx: In function 'int semantic_pass_symbols(systemtap_session&)':
| ../git/elaborate.cxx:1884:22: note: 'sym' declared here
|  1884 |   symresolution_info sym (s);
|       |                      ^~~
| ../git/elaborate.cxx:1884:22: note: 's' declared here

(From OE-Core rev: dcc891059c5f3a17781febfff4a4280b4b7c8754)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/meta/recipes-kernel/systemtap/systemtap_git.bb b/meta/recipes-kernel/systemtap/systemtap_git.bb
index 072fcb310a..d320a8a5e0 100644
--- a/meta/recipes-kernel/systemtap/systemtap_git.bb
+++ b/meta/recipes-kernel/systemtap/systemtap_git.bb
@@ -34,6 +34,9 @@ PACKAGECONFIG[python3-probes] = "--with-python3-probes,--without-python3-probes,
 inherit autotools gettext pkgconfig systemd
 inherit ${@bb.utils.contains('PACKAGECONFIG', 'python3-probes', 'setuptools3-base', '', d)}
 
+# | ../git/elaborate.cxx:2601:21: error: storing the address of local variable 'sym' in '*s.systemtap_session::symbol_resolver' [-Werror=dangling-pointer=]
+CXXFLAGS += "-Wno-dangling-pointer"
+
 # exporter comes with python3-probes
 PACKAGES =+ "${PN}-exporter"
 FILES:${PN}-exporter = "${sysconfdir}/stap-exporter/* \