Re: [PATCH v3 2/5] configure: make the libaio test conditional on blktap{1, 2}

["Roger Pau Monné" <roger.pau@citrix.com>]

On 19/06/14 19:35, Wei Liu wrote:
> On Thu, Jun 19, 2014 at 06:32:45PM +0200, Roger Pau Monne wrote:
>> libaio is only required for blktap{1,2}, so make the check conditional
>> on whether the user has requested blktap{1,2} or not.
>>
>> Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
>> Cc: Ian Jackson <Ian.Jackson@eu.citrix.com>
>> Cc: Ian Campbell <ian.campbell@citrix.com>
>> ---
>> Please re-run autoconf after applying this patch.
>> ---
>> Changes since v2:
>>  - Make libaio test conditional on whether blktap2 is also enabled.
>> ---
>>  tools/configure.ac |    2 ++
>>  1 files changed, 2 insertions(+), 0 deletions(-)
>>
>> diff --git a/tools/configure.ac b/tools/configure.ac
>> index 836bbba..6d70f04 100644
>> --- a/tools/configure.ac
>> +++ b/tools/configure.ac
>> @@ -262,7 +262,9 @@ AC_CHECK_HEADER([lzo/lzo1x.h], [
>>  AC_CHECK_LIB([lzo2], [lzo1x_decompress], [zlib="$zlib -DHAVE_LZO1X -llzo2"])
>>  ])
>>  AC_SUBST(zlib)
>> +AS_IF([test "x$enable_blktap1" = "xyes" || test "x$enable_blktap2" = "xyes"], [
>>  AC_CHECK_LIB([aio], [io_setup], [], [AC_MSG_ERROR([Could not find libaio])])
>> +])
> 
> Libaio is needed by QEMU as well.

Not on FreeBSD, and Qemu already runs it's own configure script, so I
don't think we need to check for everything that Qemu needs here.

Roger.