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Re: [Qemu-devel] [PATCH 6/7] Add -Wold-style-declaration -Wold-style-de
From: |
Blue Swirl |
Subject: |
Re: [Qemu-devel] [PATCH 6/7] Add -Wold-style-declaration -Wold-style-definition to QEMU_CFLAGS |
Date: |
Wed, 23 Sep 2009 20:16:38 +0300 |
On Wed, Sep 23, 2009 at 7:09 PM, Markus Armbruster <address@hidden> wrote:
> 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?
Yes, OpenBSD uses 3.3.5 (propolice).
There are already similar checks for linker flags in configure, new
checks for warnings available would allow a different set of flags for
the latest and greatest GCC and the good old ones.
- [Qemu-devel] [PATCH 0/7] Remove pre ANSI c89 code, Juan Quintela, 2009/09/22
- [Qemu-devel] [PATCH 4/7] gcc wants 1st static and then const, Juan Quintela, 2009/09/22
- [Qemu-devel] [PATCH 2/7] static and inline should came before the type of the functions, Juan Quintela, 2009/09/22
- [Qemu-devel] [PATCH 1/7] Use proper typedef syntax, Juan Quintela, 2009/09/22
- [Qemu-devel] [PATCH 3/7] Bring two last users of K&R definitions to ANSI c89, Juan Quintela, 2009/09/22
- [Qemu-devel] [PATCH 5/7] __thread should be before real type, Juan Quintela, 2009/09/22
- [Qemu-devel] [PATCH 6/7] Add -Wold-style-declaration -Wold-style-definition to QEMU_CFLAGS, Juan Quintela, 2009/09/22
[Qemu-devel] [PATCH 7/7] Remove PARAMS() macro, Juan Quintela, 2009/09/22
Re: [Qemu-devel] [PATCH 0/7] Remove pre ANSI c89 code, Markus Armbruster, 2009/09/23