xiaoxiang781216 commented on code in PR #17444:
URL: https://github.com/apache/nuttx/pull/17444#discussion_r2596882472
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libs/libc/string/lib_memset.c:
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@@ -53,6 +53,7 @@
#if !defined(CONFIG_LIBC_ARCH_MEMSET) && defined(LIBC_BUILD_MEMSET)
#undef memset
no_builtin("memset")
+used_code
Review Comment:
it may due to libgcc provided by toolchain doesn't provide LTO version, you
can try build the builtin library from source code by BUILTIN_COMPILER_RT:
https://github.com/apache/nuttx/blob/master/libs/libbuiltin/Kconfig#L20
but unfortunately, we doesn't support build libgcc from source yet.
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