Re: [PATCH] Fix build on non GLIBC platforms (FreeBSD at least)

[Brian Paul]

Robert Noland wrote:
> Build was broken by commit 9666529b5a5be1fcde82caadc2fe2efa5ea81e49
> 
> I'm not certain that this is entirely the correct fix since the demo
> from bug #23774 seemed to work before the commit that broke the build.
> 
> Signed-off-by: Robert Noland <rnol...@2hip.net>
> ---
>  src/glx/x11/glxhash.c |    7 +++++++
>  1 files changed, 7 insertions(+), 0 deletions(-)
> 
> diff --git a/src/glx/x11/glxhash.c b/src/glx/x11/glxhash.c
> index 7d28ada..dcf8c98 100644
> --- a/src/glx/x11/glxhash.c
> +++ b/src/glx/x11/glxhash.c
> @@ -87,6 +87,12 @@
>  
>  #define HASH_ALLOC malloc
>  #define HASH_FREE  free
> +#ifndef __GLIBC__
> +#define HASH_RANDOM_DECL     char *ps, rs[256]
> +#define HASH_RANDOM_INIT(seed)       ps = initstate(seed, rs, sizeof(rs))
> +#define HASH_RANDOM          random()
> +#define HASH_RANDOM_DESTROY  setstate(ps)
> +#else
>  #define HASH_RANDOM_DECL     struct random_data rd; int32_t rv; char rs[256]
>  #define HASH_RANDOM_INIT(seed)                                       \
>     do {                                                              \
> @@ -95,6 +101,7 @@
>     } while(0)
>  #define HASH_RANDOM             ((void) random_r(&rd, &rv), rv)
>  #define HASH_RANDOM_DESTROY
> +#endif
>  
>  typedef struct __glxHashBucket
>  {

I was just looking at this after my coworker found the build failure 
on MacOS.

Would nrand48() be a more portable option?  Ian?

See http://evanjones.ca/random-thread-safe.html

-Brian


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