Re: [PATCH v2] libselinux: add ANDROID_HOST=y build option

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On Tue, Sep 27, 2016 at 12:08 PM, Stephen Smalley <sds@xxxxxxxxxxxxx> wrote:
> On 09/27/2016 03:03 PM, William Roberts wrote:
>> On Tue, Sep 27, 2016 at 11:51 AM, Stephen Smalley <sds@xxxxxxxxxxxxx> wrote:
>>> On 09/27/2016 02:43 PM, William Roberts wrote:
>>>> On Sep 27, 2016 10:00, "Stephen Smalley" <sds@xxxxxxxxxxxxx
>>>> <mailto:sds@xxxxxxxxxxxxx>> wrote:
>>>>>
>>>>> On 09/27/2016 11:08 AM, William Roberts wrote:
>>>>>> On Tue, Sep 27, 2016 at 7:11 AM, Stephen Smalley <sds@xxxxxxxxxxxxx
>>>> <mailto:sds@xxxxxxxxxxxxx>> wrote:
>>>>>>> On 09/26/2016 04:53 PM, william.c.roberts@xxxxxxxxx
>>>> <mailto:william.c.roberts@xxxxxxxxx> wrote:
>>>>>>>> From: William Roberts <william.c.roberts@xxxxxxxxx
>>>> <mailto:william.c.roberts@xxxxxxxxx>>
>>>>>>>>
>>>>>>>> To build the selinux host configuration, specify
>>>>>>>> ANDROID_HOST=y on the Make command line.
>>>>>>>>
>>>>>>>> eg)
>>>>>>>> make ANDROID_HOST=y
>>>>>>>
>>>>>>> Seems oddly named, neither corresponding to the #define it enables
>>>>>>> (BUILD_HOST) nor to the target platform.
>>>>>>
>>>>>> We could change this to BUILD_HOST=y to enable all of it, but
>>>> considering
>>>>>> that this build is specific for Android, I thought the naming to be more
>>>>>> appropriate.
>>>>>>
>>>>>> Additionally, EMBEDDED doesn't flip anything called EMBEDDED as well.
>>>>>>
>>>>>>>
>>>>>>>>
>>>>>>>> Signed-off-by: William Roberts <william.c.roberts@xxxxxxxxx
>>>> <mailto:william.c.roberts@xxxxxxxxx>>
>>>>>>>> ---
>>>>>>>>  libselinux/Makefile     |  8 +++++++-
>>>>>>>>  libselinux/src/Makefile | 50
>>>> +++++++++++++++++++++++++++++++++----------------
>>>>>>>>  2 files changed, 41 insertions(+), 17 deletions(-)
>>>>>>>>
>>>>>>>> diff --git a/libselinux/Makefile b/libselinux/Makefile
>>>>>>>> index 5a8d42c..50ae009 100644
>>>>>>>> --- a/libselinux/Makefile
>>>>>>>> +++ b/libselinux/Makefile
>>>>>>>> @@ -10,6 +10,12 @@ ifeq ($(EMBEDDED),y)
>>>>>>>>       override DISABLE_RPM=y
>>>>>>>>       override DISABLE_BOOL=y
>>>>>>>>  endif
>>>>>>>> +ifeq ($(ANDROID_HOST),y)
>>>>>>>> +     override DISABLE_SETRANS=y
>>>>>>>> +     EMFLAGS+= -DDISABLE_RPM -DNO_MEDIA_BACKEND -DNO_DB_BACKEND
>>>> -DNO_X_BACKEND \
>>>>>>>> +             -DBUILD_HOST
>>>>>>>> +     SUBDIRS = src
>>>>>>>> +endif
>>>>>
>>>>> Also, this is redundant; you can handle it entirely within
>>>>> libselinux/src/Makefile without anything here.
>>>>
>>>> You mean all the ANDROID _HOST stuff? I didn't want to depart from
>>>> what's there, that seemed to be the spot for disabling things.
>>>
>>> You don't use the -DNO_*_BACKEND or -DBUILD_HOST flags anywhere except
>>> in src/Makefile, so you don't need to set them here.
>>>
>>
>> The same could be said about DISABLE_SETRANS
>
> It isn't set in both Makefiles.  Pick one.

Its not set in both, did you mean referenced/used? In fact I don't
even set the default n, which I should be doing.
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