[Mesa-dev] [PATCH] configure.ac: Allowing building without shader cache without zlib.

[Vinson Lee]

On Sat, Mar 4, 2017 at 5:24 PM, Emil Velikov <emil.l.velikov at gmail.com> wrote:
> On 4 March 2017 at 22:13, Vinson Lee <vlee at freedesktop.org> wrote:
>> Fixes: 85a9b1b562b6 ("util/disk_cache: compress individual cache entries")
>> Signed-off-by: Vinson Lee <vlee at freedesktop.org>
>> ---
>>  configure.ac | 3 +--
>>  1 file changed, 1 insertion(+), 2 deletions(-)
>>
>> diff --git a/configure.ac b/configure.ac
>> index 943bc05adcd6..3526849b6dd2 100644
>> --- a/configure.ac
>> +++ b/configure.ac
>> @@ -786,7 +786,7 @@ dnl See if posix_memalign is available
>>  AC_CHECK_FUNC([posix_memalign], [DEFINES="$DEFINES -DHAVE_POSIX_MEMALIGN"])
>>
>>  dnl Check for zlib
>> -PKG_CHECK_MODULES([ZLIB], [zlib >= $ZLIB_REQUIRED])
>> +PKG_CHECK_MODULES([ZLIB], [zlib >= $ZLIB_REQUIRED], [DEFINES="$DEFINES -DENABLE_SHADER_CACHE"], [:])
>>
> Why - is it causing breakage or any system ?
>
> Afaict we really want to have this tested thoroughly and silently
> disabling it is a very bad idea.
>
> -Emil

Older distros have a zlib older than 1.2.8.