diff mbox series

[v2,28/28] perf: Do not treat maybe-uninitialized warnings as errors

Message ID 20250520-clang-toolchain-v2-28-db97c2eb3756@gmail.com
State New
Headers show
Series clang: Add clang C/C++ toolchain | expand

Commit Message

Khem Raj May 21, 2025, 6:20 a.m. UTC 
Clang finds more warnings in kernel code, make clang happy to not treat
these extra warnings as errors

Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
 meta/recipes-kernel/perf/perf.bb | 10 ++++++++++
 1 file changed, 10 insertions(+)
diff mbox series

Patch

diff --git a/meta/recipes-kernel/perf/perf.bb b/meta/recipes-kernel/perf/perf.bb
index d06dd2fa5a2bb9b2982572081ef57e2dbafbd5da..0d19e1bdc222da26a5ad0a1d4964acca437a6692 100644
--- a/meta/recipes-kernel/perf/perf.bb
+++ b/meta/recipes-kernel/perf/perf.bb
@@ -81,6 +81,16 @@  LDFLAGS = "-ldl -lutil"
 # avoiding the 'buildpaths' QA warning.
 TARGET_CC_ARCH += "${SELECTED_OPTIMIZATION} ${DEBUG_PREFIX_MAP}"
 
+#| libbpf.c: In function 'find_kernel_btf_id.constprop':
+#| libbpf.c:10009:33: error: 'mod_len' may be used uninitialized [-Werror=maybe-uninitialized]
+#| 10009 |                 if (mod_name && strncmp(mod->name, mod_name, mod_len) != 0)
+#|       |                                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#| libbpf.c:9979:21: note: 'mod_len' was declared here
+#|  9979 |         int ret, i, mod_len;
+#|       |                     ^~~~~~~
+#| cc1: all warnings being treated as errors
+TARGET_CC_ARCH:append:toolchain-clang:arm = " -fno-error=maybe-uninitialized"
+
 EXTRA_OEMAKE = '\
     V=1 \
     VF=1 \