[Buildroot] [PATCH] fakeroot: fix build when libcap-dev is installed
Arnout Vandecappelle
arnout at mind.be
Mon Jan 4 21:36:37 UTC 2016
On 04-01-16 18:47, Arnout Vandecappelle wrote:
> Hi Luca,
>
> On 04-01-16 13:01, Luca Ceresoli wrote:
>> On an Ubuntu host, and probably several other build hosts,
>> host-fakeroot fails building when libcap-dev is installed.
>>
>> Error message:
>>
>> libfakeroot.c:1646:9: error: conflicting types for 'setxattr'
>> ssize_t setxattr(const char *path, const char *name, void *value, size_t size, int flags)
>> ^
>> In file included from /usr/include/sys/capability.h:30:0,
>> from libfakeroot.c:131:
>> /usr/include/x86_64-linux-gnu/sys/xattr.h:39:12: note: previous declaration of 'setxattr' was here
>> extern int setxattr (const char *__path, const char *__name,
>> ^
>>
>> To reproduce the bug:
>>
>> make defconfig && make host-fakeroot
>>
>> This is a fakeroot bug fixed in Debian since 1.20.1-1 [0]. Apply the
>> patch [1] to Buildroot as well.
>
> Are we sure this will not break again on other distros or older Debian/Ubuntu?
I prefer Ricardo's alternative.
We will have to pay attention however, if upstream (i.e. Debian?) releases a
new version, that we _don't_ take this patch along. Although I'm not sure if the
upstream patch really breaks the build on older systems, I haven't checked when
xattr.h has changed.
Regards,
Arnout
--
Arnout Vandecappelle arnout at mind be
Senior Embedded Software Architect +32-16-286500
Essensium/Mind http://www.mind.be
G.Geenslaan 9, 3001 Leuven, Belgium BE 872 984 063 RPR Leuven
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