Re: [PATCH v2 2/4] Makefile: Require GNU make 3.82+

[Laurent Vivier]

Le 12/10/2020 à 11:47, Thomas Huth a écrit :
> On 25/08/2020 22.27, Roman Bolshakov wrote:
>> QEMU build fails with cryptic messages if make is too old:
>>
>>   Makefile.ninja:2655: *** multiple target patterns.  Stop.
>>
>> To avoid the confusion it's worth to fail the build right away and print
>> a friendly error message.
>>
>> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
>> Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com>
>> ---
>>  Makefile | 5 +++++
>>  1 file changed, 5 insertions(+)
>>
>> diff --git a/Makefile b/Makefile
>> index 81794d5c34..b4ebf3e30f 100644
>> --- a/Makefile
>> +++ b/Makefile
>> @@ -4,6 +4,11 @@ ifneq ($(words $(subst :, ,$(CURDIR))), 1)
>>    $(error main directory cannot contain spaces nor colons)
>>  endif
>>  
>> +ifeq ($(filter undefine,$(value .FEATURES)),)
>> +$(error Unsupported Make version: $(MAKE_VERSION). \
>> +        Please use GNU Make 3.82 or above)
>> +endif
>> +
>>  # Always point to the root of the build tree (needs GNU make).
>>  BUILD_DIR=$(CURDIR)
> 
> Reviewed-by: Thomas Huth <thuth@redhat.com>
> 
> 

Applied to my trivial-patches branch.

Thanks,
Laurent