| -rw-r--r-- | ChangeLog | 10 | ||||
| -rw-r--r-- | doc/posix-headers/stddef.texi | 4 | ||||
| -rw-r--r-- | lib/stddef.in.h | 9 |
3 files changed, 23 insertions, 0 deletions
@@ -1,3 +1,13 @@ +2021-03-02 Bruno Haible <bruno@clisp.org> + + stddef: Work around an interoperability problem of tcc with glibc. + Reported by Luca Saiu <positron@gnu.org> in + <https://lists.gnu.org/archive/html/bug-gnulib/2021-03/msg00011.html>. + * lib/stddef.in.h [__TINYC__]: In case of the special invocation + convention, undefine the macros that TinyCC's <stddef.h> should undefine + but doesn't. + * doc/posix-headers/stddef.texi: Mention the TinyCC bug. + 2021-03-02 Paul Eggert <eggert@cs.ucla.edu> mbrtowc: port to AIX 7.1 with xlc 12.1 diff --git a/doc/posix-headers/stddef.texi b/doc/posix-headers/stddef.texi index dbc0103..ba27fa8 100644 --- a/doc/posix-headers/stddef.texi +++ b/doc/posix-headers/stddef.texi @@ -27,6 +27,10 @@ NetBSD 5.0 Some platforms provide a @code{NULL} macro whose value does not have the size of a pointer: AIX 7.2 with xlc in 64-bit mode. + +@item +When this header file is provided by TinyCC 0.9.27 on glibc systems, it does +not fulfil the expectations of other glibc header files. @end itemize Portability problems not fixed by Gnulib: diff --git a/lib/stddef.in.h b/lib/stddef.in.h index ba6f903..590e12c 100644 --- a/lib/stddef.in.h +++ b/lib/stddef.in.h @@ -42,6 +42,15 @@ # define _GL_STDDEF_WINT_T # endif # @INCLUDE_NEXT@ @NEXT_STDDEF_H@ + /* On TinyCC, make sure that the macros that indicate the special invocation + convention get undefined. */ +# ifdef __TINYC__ +# undef __need_wchar_t +# undef __need_size_t +# undef __need_ptrdiff_t +# undef __need_NULL +# undef __need_wint_t +# endif # endif #else |