Re: Help needed regarding a build failure on x32 for python-twisted, might be kernel related

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On 3/7/19 2:23 PM, Robert-André Mauchin wrote:
Hello,

I'm trying to build the new python-twisted 18.9.0, but it fails on 32 bits architecture:

BUILDSTDERR: In file included from /usr/include/asm/socket.h:1,
BUILDSTDERR:                  from /usr/include/bits/socket.h:393,
BUILDSTDERR:                  from /usr/include/sys/socket.h:33,
BUILDSTDERR:                  from src/twisted/python/_sendmsg.c:16:
BUILDSTDERR: src/twisted/python/_sendmsg.c: In function 'init_sendmsg':
BUILDSTDERR: src/twisted/python/_sendmsg.c:158:64: error: '__kernel_long_t' undeclared (first use in this function)
BUILDSTDERR:   158 |     if (-1 == PyModule_AddIntConstant(module, "SCM_TIMESTAMP", SCM_TIMESTAMP)) {
BUILDSTDERR:          |                                                                                                                         ^~~~~~~~~~~~~
BUILDSTDERR: src/twisted/python/_sendmsg.c:158:64: note: each undeclared identifier is reported only once for each function it appears in
BUILDSTDERR: error: command 'gcc' failed with exit status 1

https://koji.fedoraproject.org/koji/taskinfo?taskID=33279740

The relevant code in src/twisted/python/_sendmsg.c:

#if defined(SCM_TIMESTAMP)
     if (-1 == PyModule_AddIntConstant(module, "SCM_TIMESTAMP", SCM_TIMESTAMP)) {
         return;
     }
#endif

https://github.com/twisted/twisted/blob/trunk/src/twisted/python/_sendmsg.c#L157

This seems related to the recent changes in the kernel regarding year 2038 bug and timestamps:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/include/uapi/asm-generic/socket.h?id=887feae36aee6c08e0dafcdaa5ba921abbb2c56b

Anyone has any insight as to what might be happening and how to solve it?

Thanks,

Robert-André


See  https://bugzilla.redhat.com/show_bug.cgi?id=1686419
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