1 files changed, 17 insertions, 0 deletions

diff --git a/recipes-kernel/perf/perf.bbappend b/recipes-kernel/perf/perf.bbappend
new file mode 100644
index 00000000..54ad4dd9
--- /dev/null
+++ b/recipes-kernel/perf/perf.bbappend
@@ -0,0 +1,17 @@
+# Fix const qualifier warnings in libbpf.c when building with -Werror
+# This is a workaround for older kernel versions (6.12.x) that don't have
+# the upstream fix yet. The issue is already fixed in kernel 6.13+.
+
+# remove at next version upgrade or when output changes
+PR = "r3"
+HASHEQUIV_HASH_VERSION .= ".3"
+
+do_configure:prepend () {
+    # Apply libbpf const qualifier fixes
+    if [ -e "${S}/tools/lib/bpf/libbpf.c" ]; then
+        # Fix kallsyms_cb function - change 'char *res' to 'const char *res'
+        sed -i 's/^\(\s*\)char \*res;/\1const char *res;/' "${S}/tools/lib/bpf/libbpf.c"
+        # Fix resolve_full_path function - change 'char *next_path' to 'const char *next_path'
+        sed -i 's/^\(\s*\)char \*next_path;/\1const char *next_path;/' "${S}/tools/lib/bpf/libbpf.c"
+    fi
+}