[mosh-users] Mosh-1.2.4 compilation issues on OpenBSD 5.3 (missing pselect)

[Keith Winstein]

Hello Damon,

Please try compiling Mosh from the Git repository.

Best regards,
Keith
On Oct 12, 2013 6:48 PM, "Damon Getsman" <damo.gets at gmail.com> wrote:

> Hello, everybody.  I just dug through the archives looking to see if there
> might have been any workaround to this, but I haven't seen anything.  The
> mosh website says that there is an OpenBSD pre-compiled package available
> for mosh, but I guess that must've been a few versions ago, as I haven't
> seen anything in the 5.x repositories as far as mosh, nor in the ports
> directories.
>
> So anyway, I took it upon myself to compile things from scratch.
>  Everything went well up until ::pselect() was undeclared.  Here's the
> exact compiler error:
>
> contract:/usr/src/mosh-1.2.4$ make
> make  all-recursive
> Making all in src
> Making all in protobufs
> make  all-am
> Making all in util
>   CXX    select.o
> In file included from select.cc:33:
> select.h: In member function 'int Select::select(int)':
> select.h:139: error: '::pselect' has not been declared
> *** Error 1 in src/util (Makefile:288 'select.o': @echo "  CXX   "
> select.o;g++ -DHAVE_CONFIG_H -I. -I../..     -Wall  -fno-strict-overflow
> ...)
> *** Error 1 in src (Makefile:296 'all-recursive')
> *** Error 1 in . (Makefile:337 'all-recursive')
> *** Error 1 in /usr/src/mosh-1.2.4 (Makefile:255 'all')
>
> Anyway, I've found a couple of potential workarounds.  First, there is one
> found at
> http://openbsd.7691.n7.nabble.com/PATCH-net-mosh-and-pselect-td227394.html ;
> unfortunately, this appears to apply to a version of mosh found in an
> OpenBSD that has mosh in /usr/ports, which my 5.3 system most certainly
> does not.
>
> Second, I did find raw source code for a pselect() function, but I'm not
> really sure if it's going to be compatible with what this particular
> application is going to use it for, it's been awhile since I worked with
> C/C++.  I found that at
> ftp://ftp.fr.openbsd.org/pub/OpenBSD/src/usr.sbin/nsd/compat/pselect.c ,
> but it was provided as a pselect() for 'nsd', not for any generic package.
>
> Anyway, any help that you guys could point me to or suggestions you can
> offer would very much be appreciated.  Mosh rocks and I really want to have
> it on my only externally-facing system (the BSD one).  Thanks in advance!
>
> -Damon Getsman
>
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