[Build-common-hackers] Bug#487546: cdbs: class/langcore.mk should set CC=gcc if CC is not set
dr at jones.dk
Sun Jun 21 15:10:16 UTC 2009
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On Sun, Jun 21, 2009 at 04:56:05PM +0300, Peter Eisentraut wrote:
>On Sunday 21 June 2009 14:40:25 Jonas Smedegaard wrote:
>> On Sun, Jun 21, 2009 at 01:32:44PM +0300, Peter Eisentraut wrote:
>> >I turns out that /usr/bin/cc is an alternative, and so we cannot
>> >assume that it is gcc. And although it is not explicitly spelled
>> >out in the policy, the build essential list strongly hints that
>> >packages are supposed to be built with gcc by default.
>> >So I think it would be easy and safe to set CC = gcc near where we
>> >set CFLAGS, and the same for C++.
>> >Another advantage of this would be that packages built with cdbs
>> >don't use a different compiler invocation than those built without.
>> A build environment using a different C compiler than the default gcc
>> as cc is broken with respect to Package compilation. (I believe that
>> to be in Policy somewhere too).
>> I do not see it as the task of CDBS to fix/overrule broken build
>But that is exactly the point. cdbs will by default select "cc" as the
>compiler, and there is no guarantee anywhere that that is gcc. So in
>accordance with what you and I are saying, cdbs should take care that
>it really calls gcc.
I disagree. If someone choose to use a weird C compiler, then things
might break for them, maybe not. We should not care about that.
>Or perhaps we should ask for clarification on this matter in a wider
Yes. Do that.
If Debian in general feels that each package should ensure sanity of its
environment, then it might make sense for CDBS to offer a skeleton to
help apply that. But quite possibly it then makes better sense to do
that in dpkg, and we again should not care about it in CDBS.
* Jonas Smedegaard - idealist og Internet-arkitekt
* Tlf.: +45 40843136 Website: http://dr.jones.dk/
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