Re: [Qemu-devel] qemu master build failure

[Christian Borntraeger]

Does it make sense to have something like

diff --git a/configure b/configure
index 831ebf2..67d7ae3 100755
--- a/configure
+++ b/configure
@@ -552,6 +552,10 @@ else
     pwd_is_source_path="n"
 fi
 
+if test -f $source_path\/qemu-version.h -a $pwd_is_source_path = "n" ; then
+error_exit "source path contains a stale configuration, cannot build outside" 
+fi
+
 check_define() {
 cat > $TMPC <<EOF
 #if !defined($1)



On 03/16/2018 06:11 PM, Paolo Bonzini wrote:
> On 16/03/2018 18:01, Andrew Jones wrote:
>> Hi Thomas,
>>
>> QEMU master is failing to build on an AArch64 machine with GCC 4.8. I get
>>
>>   ...
>>   CC      qemu-nbd.o
>> /home/drjones/code/qemu/qemu-nbd.c: In function ‘version’:
>> /home/drjones/code/qemu/qemu-nbd.c:133:7: error: expected ‘)’ before 
>> ‘QEMU_FULL_VERSION’
>>  "%s " QEMU_FULL_VERSION "\n"
>>        ^
>> /home/drjones/code/qemu/qemu-nbd.c:139:5: error: format ‘%s’ expects a 
>> matching ‘char *’ argument [-Werror=format=]
>>      , name);
>>      ^
>> cc1: all warnings being treated as errors
>> make: *** [qemu-nbd.o] Error 1
>>
>>
>> Reverting 7e563bfb8 fixes the build. I figured I'd report it now,
>> but I won't have time to look closer until Monday.
> 
> You probably have a stray qemu-version.h file somewhere.  No worries, I
> was puzzled by the same thing after I applied Thomas's patch. :)
> 
> Paolo
>