Re: [Qemu-devel] [PATCH v2 2/2] tests: correctly skip qtest on non-POSIX hosts

[Stefan Weil <sw@weilnetz.de>]

Am 27.03.2014 15:28, schrieb Stefan Hajnoczi:
> qtest test cases only work on POSIX hosts.  The following line only
> defines dependencies for qtest binaries on POSIX hosts:
> 
>   check-qtest-$(CONFIG_POSIX)=$(foreach TARGET,$(TARGETS),$(check-qtest-$(TARGET)-y))
> 
> But the QTEST_TARGETS definition earlier in the Makefile fails to check
> CONFIG_POSIX.  The causes targets to be generated for qtest test cases

That causes targets ... ?

> even though we don't know how to build the binaries.
> 
> The following error message is printed when trying to run gtester on a
> binary that was never built:
> 
>   GLib-WARNING **: Failed to execute test binary: tests/endianness-test.exe: Failed to execute child process "tests/endianness-test.exe" (No such file or directory)
> 
> This patch makes QTEST_TARGETS empty on non-POSIX hosts.  This prevents
> the targets from being generated.
> 
> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
> ---
>  tests/Makefile | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/tests/Makefile b/tests/Makefile
> index 803c8e6..679cfbc 100644
> --- a/tests/Makefile
> +++ b/tests/Makefile
> @@ -277,8 +277,10 @@ tests/qemu-iotests/socket_scm_helper$(EXESUF): tests/qemu-iotests/socket_scm_hel
>  # QTest rules
>  
>  TARGETS=$(patsubst %-softmmu,%, $(filter %-softmmu,$(TARGET_DIRS)))
> +ifeq ($(CONFIG_POSIX),y)
>  QTEST_TARGETS=$(foreach TARGET,$(TARGETS), $(if $(check-qtest-$(TARGET)-y), $(TARGET),))
> -check-qtest-$(CONFIG_POSIX)=$(foreach TARGET,$(TARGETS), $(check-qtest-$(TARGET)-y))
> +check-qtest-y=$(foreach TARGET,$(TARGETS), $(check-qtest-$(TARGET)-y))

I'd keep this line unmodified after the endif, but that's just my
personal style preference.

> +endif
>  
>  qtest-obj-y = tests/libqtest.o libqemuutil.a libqemustub.a
>  $(check-qtest-y): $(qtest-obj-y)
> 

My own patch also works because CONFIG_POSIX is undefined for Windows:
http://repo.or.cz/w/qemu/ar7.git/patch/fb8019dc75641ce7b35d40d4836663acb9c17b8b

Reviewed-by: Stefan Weil <sw@weilnetz.de>