On Fri, 16 Feb 2018 16:22:32 +0000 Emil Velikov <emil.l.veli...@gmail.com> wrote:
> From: Emil Velikov <emil.veli...@collabora.com>
>
> A more generic way to evaluating various attributes, __has_attribute is
> available with gcc, clang, even the Oracle/Sun compiler.
>
> Signed-off-by: Emil Velikov <emil.veli...@collabora.com>
> ---
> src/scanner.c | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/src/scanner.c b/src/scanner.c
> index 679e006..c93070c 100644
> --- a/src/scanner.c
> +++ b/src/scanner.c
> @@ -1744,7 +1744,11 @@ emit_code(struct protocol *protocol, enum visibility
> vis)
> * we want to have the symbols hidden. */
> if (vis == PRIVATE) {
> symbol_visibility = "WL_PRIVATE";
> - printf("#if defined(__GNUC__) && __GNUC__ >= 4\n"
> + printf("#ifndef __has_attribute\n"
> + "# define __has_attribute(x) 0 /* Compatibility with
> non-clang compilers. */\n"
> + "#endif\n\n");
> +
> + printf("#if (__has_attribute(visibility) || defined(__GNUC__)
> && __GNUC__ >= 4\n"
> "#define WL_PRIVATE __attribute__
> ((visibility(\"hidden\")))\n"
> "#else\n"
> "#define WL_PRIVATE\n"
Reviewed-by: Pekka Paalanen <pekka.paala...@collabora.co.uk>
Thanks,
pq
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