[PATCH] sdksyms.sh: Make sdksyms.sh work with gcc5.

[Hans de Goede]

Hi,

In case someone wants to do a better fix, I've put a
file already mangled by gcc5 cpp here:

https://fedorapeople.org/~jwrdegoede/sdksyms.pre

Regards,

Hans


On 11-02-15 16:39, Hans de Goede wrote:
> gcc5's cpp inserts patterns like this:
>
> extern
>        __attribute__((visibility("default")))
>                  int WaitForSomething(int *
>      );
>
> This patch make sdksyms.sh work with this. Note my awk skills are weak, so
> there likely is a better way to deal with this.
>
> Signed-off-by: Hans de Goede <hdegoede at redhat.com>
> ---
>   hw/xfree86/sdksyms.sh | 17 +++++++++++++++++
>   1 file changed, 17 insertions(+)
>
> diff --git a/hw/xfree86/sdksyms.sh b/hw/xfree86/sdksyms.sh
> index 2305073..99b0cae 100755
> --- a/hw/xfree86/sdksyms.sh
> +++ b/hw/xfree86/sdksyms.sh
> @@ -350,6 +350,23 @@ BEGIN {
>       if (sdk) {
>   	n = 3;
>
> +	# detect the following gcc5 cpp pattern and skip it:
> +	# extern
> +	# # 320 "../../include/os.h" 3 4
> +	#     __attribute__((visibility("default")))
> +	# # 320 "../../include/os.h"
> +	# Note in this case the "extern " or "extern void " always has
> +	# a trailing space
> +	if ($0 ~ "^extern.* $") {
> +	    getline;
> +	    getline;
> +	    getline;
> +	    getline;
> +	    n = 1;
> +	    while ($n == " ")
> +		n++;
> +	}
> +
>   	# skip attribute, if any
>   	while ($n ~ /^(__attribute__|__global)/ ||
>   	    # skip modifiers, if any
>