Re: [Qemu-devel] [PATCH v3 1/8] ahci-test: Add dependency to qemu-img tool

[Thomas Huth <thuth@redhat.com>]

On 2019-02-07 17:50, Philippe Mathieu-Daudé wrote:
> On 2/5/19 1:18 AM, Philippe Mathieu-Daudé wrote:
>> Since the ahci-test uses qemu-img, add a dependency to build it
>> before using it.
>> This fixes:
>>
>>   $ gmake check-qtest V=1
>>   QTEST_QEMU_BINARY=x86_64-softmmu/qemu-system-x86_64 QTEST_QEMU_IMG=qemu-img tests/ahci-test
>>   Failed to execute child process "/tmp/qemu-test.19tMRF/qemu-img" (No such file or directory)
>>   ERROR:tests/libqos/libqos.c:192:mkimg: assertion failed: (ret && !err)
>>
>> Reviewed-by: John Snow <jsnow@redhat.com>
>> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
>> ---
>> Slighly related is when vm-tests expect qemu-img available:
>> https://lists.gnu.org/archive/html/qemu-devel/2018-06/msg08415.html
>>
>>   $ make vm-build-ubuntu.i386
>>   Traceback (most recent call last):
>>     File "source/qemu/tests/vm/basevm.py", line 236, in main
>>       return vm.build_image(args.image)
>>     File "tests/vm/ubuntu.i386", line 67, in build_image
>>       subprocess.check_call(["qemu-img", "resize", img_tmp, "50G"])
>>   OSError: [Errno 2] No such file or directory
>>   tests/vm/Makefile.include:23: recipe for target 'tests/vm/ubuntu.i386.img' failed
>>   make: *** [tests/vm/ubuntu.i386.img] Error 2
>>
>> A better fix would be checking those tools via ./configure...
>> ---
>>  tests/Makefile.include | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/tests/Makefile.include b/tests/Makefile.include
>> index 75ad9c0dd3..679656b64a 100644
>> --- a/tests/Makefile.include
>> +++ b/tests/Makefile.include
>> @@ -708,7 +708,7 @@ tests/prom-env-test$(EXESUF): tests/prom-env-test.o $(libqos-obj-y)
>>  tests/rtas-test$(EXESUF): tests/rtas-test.o $(libqos-spapr-obj-y)
>>  tests/fdc-test$(EXESUF): tests/fdc-test.o
>>  tests/ide-test$(EXESUF): tests/ide-test.o $(libqos-pc-obj-y)
>> -tests/ahci-test$(EXESUF): tests/ahci-test.o $(libqos-pc-obj-y)
>> +tests/ahci-test$(EXESUF): tests/ahci-test.o $(libqos-pc-obj-y) qemu-img$(EXESUF)
> 
> In [*] Cleber noticed if we configure using --disable-tools, qemu-img is
> still built by when running "make check-block" due to this rule.
> 
> I think this is OK because
> - at least a test requires it, so this test will run (which is what
>   we want)
> - while the tool is available in the build directory, it still won't
>   be installed by "make install"

I guess you could also introduce a CONFIG_TOOLS switch and only run the
ahci test for CONFIG_TOOLS=y ? ... not that important, but in case you
respin the series, maybe worth a try.

 Thomas