We have now managed to eradicate all the places in the codebase
that triggered clang's -Waddress-of-packed-member warning. Remove
the compiler flag that exempted it from our usual -Werror policy.
This will prevent any new problematic code being added in future.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 configure | 1 -
 1 file changed, 1 deletion(-)

diff --git a/configure b/configure
index fbd0825488c..50ac5d90f2e 100755
--- a/configure
+++ b/configure
@@ -1881,7 +1881,6 @@ gcc_flags="-Wno-missing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
 gcc_flags="-Wendif-labels -Wno-shift-negative-value $gcc_flags"
 gcc_flags="-Wno-initializer-overrides -Wexpansion-to-defined $gcc_flags"
 gcc_flags="-Wno-string-plus-int $gcc_flags"
-gcc_flags="-Wno-error=address-of-packed-member $gcc_flags"
 # Note that we do not add -Werror to gcc_flags here, because that would
 # enable it for all configure tests. If a configure test failed due
 # to -Werror this would just silently disable some features,
-- 
2.20.1

On 2019-02-08 14:21, Peter Maydell wrote:
> We have now managed to eradicate all the places in the codebase
> that triggered clang's -Waddress-of-packed-member warning. Remove
> the compiler flag that exempted it from our usual -Werror policy.
> This will prevent any new problematic code being added in future.
> 
> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
> ---
>  configure | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/configure b/configure
> index fbd0825488c..50ac5d90f2e 100755
> --- a/configure
> +++ b/configure
> @@ -1881,7 +1881,6 @@ gcc_flags="-Wno-missing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
>  gcc_flags="-Wendif-labels -Wno-shift-negative-value $gcc_flags"
>  gcc_flags="-Wno-initializer-overrides -Wexpansion-to-defined $gcc_flags"
>  gcc_flags="-Wno-string-plus-int $gcc_flags"
> -gcc_flags="-Wno-error=address-of-packed-member $gcc_flags"
>  # Note that we do not add -Werror to gcc_flags here, because that would
>  # enable it for all configure tests. If a configure test failed due
>  # to -Werror this would just silently disable some features,

Great!

Reviewed-by: Thomas Huth <thuth@redhat.com>

On 08/02/2019 14:33, Thomas Huth wrote:
> On 2019-02-08 14:21, Peter Maydell wrote:
>> We have now managed to eradicate all the places in the codebase
>> that triggered clang's -Waddress-of-packed-member warning. Remove
>> the compiler flag that exempted it from our usual -Werror policy.
>> This will prevent any new problematic code being added in future.
>>
>> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
>> ---
>>  configure | 1 -
>>  1 file changed, 1 deletion(-)
>>
>> diff --git a/configure b/configure
>> index fbd0825488c..50ac5d90f2e 100755
>> --- a/configure
>> +++ b/configure
>> @@ -1881,7 +1881,6 @@ gcc_flags="-Wno-missing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
>>  gcc_flags="-Wendif-labels -Wno-shift-negative-value $gcc_flags"
>>  gcc_flags="-Wno-initializer-overrides -Wexpansion-to-defined $gcc_flags"
>>  gcc_flags="-Wno-string-plus-int $gcc_flags"
>> -gcc_flags="-Wno-error=address-of-packed-member $gcc_flags"
>>  # Note that we do not add -Werror to gcc_flags here, because that would
>>  # enable it for all configure tests. If a configure test failed due
>>  # to -Werror this would just silently disable some features,
> 
> Great!
> 
> Reviewed-by: Thomas Huth <thuth@redhat.com>
> 

Applied to my trivial-patches branch.

Thanks,
Laurent

On 2/8/19 2:21 PM, Peter Maydell wrote:
> We have now managed to eradicate all the places in the codebase
> that triggered clang's -Waddress-of-packed-member warning. Remove
> the compiler flag that exempted it from our usual -Werror policy.
> This will prevent any new problematic code being added in future.

Yay!

> 
> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>

> ---
>  configure | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/configure b/configure
> index fbd0825488c..50ac5d90f2e 100755
> --- a/configure
> +++ b/configure
> @@ -1881,7 +1881,6 @@ gcc_flags="-Wno-missing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
>  gcc_flags="-Wendif-labels -Wno-shift-negative-value $gcc_flags"
>  gcc_flags="-Wno-initializer-overrides -Wexpansion-to-defined $gcc_flags"
>  gcc_flags="-Wno-string-plus-int $gcc_flags"
> -gcc_flags="-Wno-error=address-of-packed-member $gcc_flags"
>  # Note that we do not add -Werror to gcc_flags here, because that would
>  # enable it for all configure tests. If a configure test failed due
>  # to -Werror this would just silently disable some features,
>