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-rw-r--r--examples/build_system/make/toolchain/gcc_common.mk3
1 files changed, 3 insertions, 0 deletions
diff --git a/examples/build_system/make/toolchain/gcc_common.mk b/examples/build_system/make/toolchain/gcc_common.mk
index 0cbb6774d..42fd01183 100644
--- a/examples/build_system/make/toolchain/gcc_common.mk
+++ b/examples/build_system/make/toolchain/gcc_common.mk
@@ -31,6 +31,9 @@ CFLAGS += \
-Wreturn-type \
-Wredundant-decls \
+CFLAGS_CLANG += \
+ -Wno-error=unknown-warning-option
+
# -Wmissing-prototypes \
# conversion is too strict for most mcu driver, may be disable sign/int/arith-conversion
# -Wconversion