[CentOS-virt] Fwd: Building Xen on RHEL7

[Todd Zullinger]

Peter wrote:
> On 12/22/2013 08:32 PM, Nico Kadel-Garcia wrote:
>> On Sun, Dec 22, 2013 at 1:30 AM, Peter <peter at pajamian.dhs.org> wrote:
>>>
>>> gcc is considered to be part of the standard build toolset and as such 
>>> is not required to be listed as a dependency in any spec file.
>>
>> Part of a standard build toolset or not, it needs to be mentioned. The 
>> dev86 SRPM was pretty old, admittedly. But Fedora, and EPEL, and RHEL, 
>> all build their  RPM's with "mock" and "koji" these days, and gcc is 
>> *not* part of the basic build environment. There are reasons, having 
>> to do with cross-compilation and alternative compiler toolchains. So 
>> RHEL, Fedora, and EPEL RPM's all specify "cc" or "gcc" as needed,
>>
>> Do take a good look at those Fedora SRPM's if you think I'm kidding..
>
> I did check before I made the comment in the first place (this is for 
> el6 from epel buildsys-build is the standard install for mock epel-6):
> $ yum groupinfo buildsys-build
>
> ...
>
> Group: Buildsystem building group 
> Mandatory Packages:
>
> ...
>
>   gcc 
>   gcc-c++
>
> ...

Additionally, the Fedora Packaging Guidlines list these as exceptions 
which are not to be added as BuildRequires:

https://fedoraproject.org/wiki/Packaging:Guidelines#Exceptions_2

-- 
Todd        OpenPGP -> KeyID: 0xBEAF0CE3 | URL: www.pobox.com/~tmz/pgp
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