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Subject: Re: [OMPI users] Question about scheduler support
From: Hjelm, Nathan T (hjelmn_at_[hidden])
Date: 2014-05-16 16:33:15


+1 the bootstrapping issue is 50% of the reason I will never use CMake for any production code.

vygr:~ hjelmn$ type -p cmake
vygr:~ hjelmn$

Nada, zilch, nothing on standard OS X install. I do not want to put an extra requirement on my users. Nor do I want something as simple-minded as CMake. autotools works great for me.

-Nathan

________________________________________
From: users [users-bounces_at_[hidden]] on behalf of Ralph Castain [rhc_at_[hidden]]
Sent: Friday, May 16, 2014 2:07 PM
To: Open MPI Users
Subject: Re: [OMPI users] Question about scheduler support

On May 16, 2014, at 1:03 PM, Fabricio Cannini <fcannini_at_[hidden]<mailto:fcannini_at_[hidden]>> wrote:

Em 16-05-2014 10:06, Jeff Squyres (jsquyres) escreveu:
On May 15, 2014, at 8:00 PM, Fabricio Cannini <fcannini_at_[hidden]<mailto:fcannini_at_[hidden]>>
wrote:

Nobody is disagreeing that one could find a way to make CMake
work - all we are saying is that (a) CMake has issues too, just
like autotools, and (b) we have yet to see a compelling reason to
undertake the transition...which would have to be a *very*
compelling one.

I was simply agreeing with Maxime about why it could work. ;)

But if you and the other devels are fine with it, i'm fine too.

FWIW, simply for my own curiosity's sake, if someone could confirm
deny whether cmake:

1. Supports the following compiler suites: GNU (that's a given, I
assume), Clang, OS X native (which is variants of GNU and Clang),
Absoft, PGI, Intel, Cray, HP-UX, Oracle Solaris (Linux and Solaris),
Tru64, Microsoft Visual, IBM BlueGene (I think that's gcc, but am
not entirely sure). (some of these matter mainly to hwloc, not
necessarily OMPI)

Not 100% confirmed, but this is good evidence that cmake does indeed supports all these suites. See the file list:

http://fr2.rpmfind.net//linux/RPM/centos/6.5/x86_64/Packages/cmake-2.6.4-5.el6.x86_64.html

http://fr2.rpmfind.net//linux/RPM/dag/redhat/el6/x86_64/extras/cmake-2.8.8-1.el6.rfx.x86_64.html

http://fr2.rpmfind.net//linux/RPM/opensuse/factory/aarch64/aarch64/cmake-3.0.0~rc4-2.1.aarch64.html

2. Bootstrap a tarball such that an end user does not need to have
cmake installed.

What do you mean by 'bootstrapping a tarball' ?

If someone doesn't have cmake installed and downloads a tarball that was built from a CMake-based project, can they configure/build that tarball? Or do they have to install cmake first?

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