[Freeipa-devel] [PATCH 0228] Drop unnecessary #define _BSD_SOURCE

Martin Basti mbasti at redhat.com
Tue Nov 25 18:53:00 UTC 2014


On 12/11/14 16:34, Petr Spacek wrote:
> On 25.2.2014 15:05, Lukas Slebodnik wrote:
>> On (25/02/14 09:54), Petr Spacek wrote:
>>> On 24.2.2014 18:56, Lukas Slebodnik wrote:
>>>> On (24/02/14 16:48), Petr Spacek wrote:
>>>>> Hello,
>>>>>
>>>>> Drop unnecessary #define _BSD_SOURCE.
>>>>>
>>>>> --
>>>>> Petr^2 Spacek
>>>> >From 1b5105e3ab92f2a898313da5f7e20e6f3e9d1d2a Mon Sep 17 00:00:00 2001
>>>>> From: Petr Spacek <pspacek at redhat.com>
>>>>> Date: Mon, 24 Feb 2014 16:48:09 +0100
>>>>> Subject: [PATCH] Drop unnecessary #define _BSD_SOURCE.
>>>>>
>>>>> Signed-off-by: Petr Spacek <pspacek at redhat.com>
>>>>> ---
>>>>> src/krb5_helper.c | 2 --
>>>>> 1 file changed, 2 deletions(-)
>>>>>
>>>>> diff --git a/src/krb5_helper.c b/src/krb5_helper.c
>>>>> index d1787209483f2ae49b480492290ff5d4bafc677c..71f4fff9fec551abbd81e25c59de80d2ded0dfc6 100644
>>>>> --- a/src/krb5_helper.c
>>>>> +++ b/src/krb5_helper.c
>>>>> @@ -15,8 +15,6 @@
>>>>>   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
>>>>>   */
>>>>>
>>>>> -#define _BSD_SOURCE
>>>>> -
>>>>> #include <isc/util.h>
>>>>> #include <string.h>
>>>>> #include <stdlib.h>
>>>>> --
>>>>> 1.8.5.3
>>>>>
>>>> Simo is an author (according to git blame)
>>>> He defined this macro due to function setenv
>>>>
>>> >from man setenv:
>>>> NAME
>>>>         setenv - change or add an environment variable
>>>>
>>>> SYNOPSIS
>>>>         #include <stdlib.h>
>>>>
>>>>         int setenv(const char *name, const char *value, int overwrite);
>>>>
>>>>         int unsetenv(const char *name);
>>>>
>>>>     Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
>>>>
>>>>         setenv(), unsetenv():
>>>>             _BSD_SOURCE || _POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600
>>>> ----------------------------------------------------------------------------
>>>>
>>>> Macros _BSD_SOURCE _POSIX_C_SOURCE were defined when I included
>>>> header file <stdlib.h>. I tested only on fedora 20. It can be used
>>>> on the other distributions.
>>>>
>>>> I would rather let this macro as is.
>>> Wow, I didn't expect that somebody will spend time on this :-)
>>>
>>> See build logs from Fedora 21
>>> http://koji.fedoraproject.org/koji/getfile?taskID=6565007&name=build.log
>> You should have noticed this in the 1st mail. Because it is difference between
>> removing unnecessary macro and depprecated usage of macro.
>>
>> /usr/include/features.h:145:3: error: #warning "_BSD_SOURCE and _SVID_SOURCE
>> are deprecated, use _DEFAULT_SOURCE" [-Werror=cpp]
>>   # warning "_BSD_SOURCE and _SVID_SOURCE are deprecated, use _DEFAULT_SOURCE"
>>
>>> Patches with 'the right' solution are welcome. I'm not going to spend
>>> more time on this.
> Attached patch should fix the warning in the 'proper' way, I hope. Without
> this patch the warning constantly pops up on Fedora 21.
>
Works for me, I haven't had warning there.

-- 
Martin Basti




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