[cfe-dev] http://llvm.org/apt/ with 'old' gcc: Request for comments
sylvestre at debian.org
Thu Dec 26 06:59:23 PST 2013
After some thinking on this idea, it would not work because I need /
want to use Debian/Ubuntu package to do the build and clang 3.4 is not
built on these architecture :(
So, if I bootstrap clang 3.4, I will have a dependency on libstdc++
On 25/12/2013 22:23, Arnaud Allard de Grandmaison wrote:
> Hi Sylvestre,
> The easiest is probably to have a dependency to (and use) clang-3.4 to
> On Wed, Dec 25, 2013 at 4:06 PM, Sylvestre Ledru <sylvestre at debian.org
> <mailto:sylvestre at debian.org>> wrote:
> Just a quick refresh, on llvm.org/apt/ <http://llvm.org/apt/> ,
> I am rebuilding the sources
> of LLVM to create snapshot packages for the stable branches
> and development branches (currently, 3.4, in the hope of point
> and 3.5). This currently targets 2 releases of Debian and 4 of Ubuntu
>  and the llvm
> toolchain is built using the compiler shipped with the distribution.
> Following the recent discussions on the usage of C+11, we have
> a requirement on having a recent and C++11 compiler. 
> That requires a recent version of gcc (for example, 4.6 is not
> Unfortunately, more recent versions are not available in Debian wheezy
> (current stable) or Ubuntu precise (an Ubuntu LTS).
> The usage of a backported version of gcc is not really feasible
> it would trigger a dependency on libstdc++ 4.8  and the
> by the user
> of the backported gcc.
> For now, the obvious solution would be to drop the support of these
> releases but there are still many users of these distributions.
> Any suggestions? Static linkage of libstdc++? Usage of libc++?
> Usage of
> clang 3.4 to bootstrap them?
>  http://llvm.org/apt/
>  http://llvm-jenkins.debian.net/
>  For example, currently, lldb fails to build with
> sorry, unimplemented: non-static data member initializers
> error: 'constexpr' needed for in-class initialization of static data
> member 'm_mutex' of non-integral type
> or fails to link with:
>  http://llvm.org/bugs/show_bug.cgi?id=18272
> cfe-dev mailing list
> cfe-dev at cs.uiuc.edu <mailto:cfe-dev at cs.uiuc.edu>
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