Re: [Qemu-devel] [PATCH 6/7] Add -Wold-style-declaration -Wold-style-definition to QEMU_CFLAGS

[Markus Armbruster]

Laurent Desnogues <address@hidden> writes:

> On Wed, Sep 23, 2009 at 1:19 AM, Juan Quintela <address@hidden> wrote:
>> ANSI c89 has been with us for a while.
>>
>> Signed-off-by: Juan Quintela <address@hidden>
>> ---
>>  configure |    1 +
>>  1 files changed, 1 insertions(+), 0 deletions(-)
>>
>> diff --git a/configure b/configure
>> index 62dccd2..81b9ba8 100755
>> --- a/configure
>> +++ b/configure
>> @@ -1648,6 +1648,7 @@ if test "$debug" = "no" ; then
>>  fi
>>  QEMU_CFLAGS="-Wall -Wundef -Wendif-labels -Wwrite-strings 
>> -Wmissing-prototypes $QEMU_CFLAGS"
>>  QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
>> +QEMU_CFLAGS="-Wold-style-declaration -Wold-style-definition $QEMU_CFLAGS"
>
> Some older versions of gcc don't handle -Wold-style-declaration.
> For instance gcc 4.1.2.

Pretty old, do we want to support it?  If yes, make configure detect
whether the warning works?