builder@f268c9620b52:~/meta-arm/poky$ git diff
diff --git a/meta/recipes-devtools/gn/gn_git.bb b/meta/recipes-devtools/gn/gn_git.bb
index d8896609b1..6a0ef5999d 100644
--- a/meta/recipes-devtools/gn/gn_git.bb
+++ b/meta/recipes-devtools/gn/gn_git.bb
@@ -49,4 +49,7 @@ BBCLASSEXTEND = "native"

 COMPATIBLE_HOST = "^(?!riscv32).*"

-CFLAGS:append:toolchain-gcc = " -Wno-error=maybe-uninitialized"
+CFLAGS += "-Wno-error=maybe-uninitialized"
+CFLAGS:remove:toolchain-clang = "-Wno-error=maybe-uninitialized"
+CXXFLAGS += "-Wno-error=maybe-uninitialized"
+CXXFLAGS:remove:toolchain-clang = "-Wno-error=maybe-uninitialized"