Hi, It looks like sparse do not understand constructions like L'\0'. .-(~)------------------------------------------------------------(yura@yura-tl)- `--> cat b.c int main(void) { L'\0'; return 0; } .-(~)------------------------------------------------------------(yura@yura-tl)- `--> gcc b.c .-(~)------------------------------------------------------------(yura@yura-tl)- `--> cgcc b.c b.c:3:10: error: Expected ; at end of statement b.c:3:10: error: got `\0' b.c:3:9: error: undefined identifier `L' This causes problems with /usr/include/wchar.h and /usr/include/bits/wchar.h includes from ubuntu. /usr/include/bits/wchar.h:38:8: error: garbage at end: `\0' - 1 > 0 /usr/include/wchar.h:393:51: error: Expected ) in expression /usr/include/wchar.h:393:51: error: got `\0' Relevant lines from these headers: extern int __wctob_alias (wint_t __c) __asm ("wctob"); __extern_inline int __NTH (wctob (wint_t __wc)) { return (__builtin_constant_p (__wc) && __wc >= L'\0' && __wc <= L'\x7f' ? (int) __wc : __wctob_alias (__wc)); } and #ifdef __WCHAR_UNSIGNED__ #define __WCHAR_MIN L'\0' /* Failing that, rely on the preprocessor's knowledge of the signedness of wchar_t. */ #elif L'\0' - 1 > 0 #define __WCHAR_MIN L'\0' #else #define __WCHAR_MIN (-__WCHAR_MAX - 1) #endif -- Best regards, Yura -- To unsubscribe from this list: send the line "unsubscribe linux-sparse" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html