Re: [Qemu-devel] [PATCH] Makefile: Properly order build targets 'all' and 'check'

[Michal Privoznik <mprivozn@redhat.com>]

On 23.06.2015 14:49, Thomas Huth wrote:
> On Tue, 23 Jun 2015 14:42:35 +0200
> Michal Privoznik <mprivozn@redhat.com> wrote:
> 
>> On 23.06.2015 14:37, Peter Maydell wrote:
>>> On 23 June 2015 at 13:30, Michal Privoznik <mprivozn@redhat.com> wrote:
>>>> I'm used to run 'make -j5 all check'. However, this is not possible in
>>>> qemu because of the missing dependency in the Makefile. If I do that,
>>>> tests are usually started with build and since not everything is built
>>>> yet, they often fail too. Moreover, we should run test suite only
>>>> after every binary we want to test has been built.
>>>>
>>>> Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
>>>> ---
>>>>  Makefile | 1 +
>>>>  1 file changed, 1 insertion(+)
>>>>
>>>> diff --git a/Makefile b/Makefile
>>>> index e7c5c3a..67eeb87 100644
>>>> --- a/Makefile
>>>> +++ b/Makefile
>>>> @@ -151,6 +151,7 @@ dummy := $(call unnest-vars,, \
>>>>
>>>>  ifneq ($(wildcard config-host.mak),)
>>>>  include $(SRC_PATH)/tests/Makefile
>>>> +check: all
>>>>  endif
>>>>  ifeq ($(CONFIG_SMARTCARD_NSS),y)
>>>>  include $(SRC_PATH)/libcacard/Makefile
>>>
>>> I'm having difficulty understanding the use of conditionals
>>> in our makefile -- can you explain why inside this ifneq
>>> rather than outside is the right place for this dependency?
>>
>> Well, I guess it could be outside too. My thinking was, that we include
>> the tests/Makefile - which defines the 'check' target - only
>> conditionally, therefore the dependency should be defined only sometimes
>> too. I guess it won't hurt if it was outside too.
> 
> Maybe it's simpler to add the dependency into tests/Makefile instead?
> 

Yeah, that could work too. For some reason I thought that having it
there would result in making 'all' just under tests/. But Now that I
tried it out it works just nicely. Do you want me to post v2 or is that
something that can be fixed just before pushing?

Michal