The continuous integration found this compilation error, that occurs with GCC versionx 8.x and older:
./uchar.h:1055:1: error: nonnull argument references non-pointer operand (argument 1, operand 2) This patch fixes it. 2023-07-15 Bruno Haible <br...@clisp.org> c32_apply_type_test: Fix compilation error with GCC < 9. * lib/uchar.in.h (c32_apply_type_test) [_GL_WCHAR_T_IS_UCS4]: Remove _GL_ARG_NONNULL attribute. diff --git a/lib/uchar.in.h b/lib/uchar.in.h index eed6db3c54..1c2bd008f5 100644 --- a/lib/uchar.in.h +++ b/lib/uchar.in.h @@ -710,14 +710,19 @@ _GL_CXXALIASWARN (c32_get_type_test); This function is the counterpart of function 'iswctype' for wide characters. */ #if @GNULIB_C32_APPLY_TYPE_TEST@ -# if _GL_WCHAR_T_IS_UCS4 && !defined IN_C32_APPLY_TYPE_TEST +# if _GL_WCHAR_T_IS_UCS4 +# if !defined IN_C32_APPLY_TYPE_TEST _GL_BEGIN_C_LINKAGE -_GL_INLINE _GL_ARG_NONNULL ((2)) int +_GL_INLINE int c32_apply_type_test (wint_t wc, c32_type_test_t property) { return iswctype (wc, property); } _GL_END_C_LINKAGE +# else +_GL_FUNCDECL_SYS (c32_apply_type_test, int, + (wint_t wc, c32_type_test_t property)); +# endif # else _GL_FUNCDECL_SYS (c32_apply_type_test, int, (wint_t wc, c32_type_test_t property)