xiaoxiang781216 commented on a change in pull request #2064:
URL: https://github.com/apache/incubator-nuttx/pull/2064#discussion_r514387086
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File path: include/sys/types.h
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@@ -188,6 +188,9 @@ typedef intptr_t ptrdiff_t;
typedef uint16_t wchar_t;
#endif
+#if defined(__WCHAR_WIDTH__) && __WCHAR_WIDTH__ != 16
+#error __WCHAR_WIDTH__ should be 16
Review comment:
So, should you split the check to another patch, maybe you can print the
related option too. But why gcc complain __WCHAR_WIDTH__ not equal to 16 for
arm?
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