[sheepdog] [PATCH v2] sheepfs: use 'big_writes' option only when the version of libfuse is equal or greater than 2.8.0

[MORITA Kazutaka]

At Wed, 28 Aug 2013 17:00:36 +0800,
Robin Dong wrote:
> 
> When using sheepfs on rhel5 environment, it will report:
> 
>     fuse: unknown option `big_writes'
> 
> because the 'big_writes' option is only supported by libfuse with version >= 2.8.0.
> 
> So we should use pkg-config to check version of libfuse.
> 
> Signed-off-by: RobinDong <sanbai at taobao.com>
> ---
>  configure.ac   |    3 +++
>  sheepfs/core.c |    2 ++
>  2 files changed, 5 insertions(+), 0 deletions(-)
> 
> diff --git a/configure.ac b/configure.ac
> index 9e878f5..6ebd6a1 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -323,6 +323,9 @@ if test "x${enable_sheepfs}" = xyes; then
>  		[#define _FILE_OFFSET_BITS 64])
>  	AC_DEFINE_UNQUOTED([HAVE_SHEEPFS], 1, [have sheepfs])
>  	PACKAGE_FEATURES="$PACKAGE_FEATURES sheepfs"
> +	if [[[ `pkg-config --modversion fuse|sed s/\\\.//g` -ge 280 ]]]; then

`pkg-config --exists 'fuse >= 2.8.0'` looks simpler.

Thanks,

Kazutaka