[m-users.] Mercury packages on Debian 8 (jessie)

[Paul Bone]

On Thu, Jan 17, 2019 at 01:40:41AM +0000, Julien Fischer wrote:
> 
> On Wed, 16 Jan 2019, Paul Bone wrote:
> 
> > On Thu, Jan 17, 2019 at 01:05:42AM +1300, Richard O'Keefe wrote:
> > > Does this mean GCC 4,8 exactly, or 4.8 or later?
> > 
> > 4.8 exactly.  This version of Mercury wasn't compatible (for faster grades)
> > with newer GCCs.  It'll work on older GCCs but since the compiler name
> > "gcc-4.8" gets hard-coded into the Mercury configuration the binary packages
> > must depend on exactly the compiler name that was used to build them.
> > 
> > > I'm using Ubuntu 18, and the GCC version is 7.3.0-3ubuntu2.1.
> > > Clang is 6.0-41~exp5~ubuntu1 and
> > > pgcc is pgcc 18.10-1 64-bit target on x86-64 Linux -tp gh
> > > Should I expect any difficulty building Mercury with these?
> > 
> > Your GCC should be compatible, it's the same as mine.  I'm not sure about
> > clang, I just havn't tested it.
> 
> It's tested with clang on Linux as part the ROTD testing.  When building
> Mercury from source versions of clang from about 3.0 onwards should be
> fine.  Since clang doesn't support most of the GCC extensions that
> Mercury is interested in the set of (C) grades supported is restricted
> to the hlc* and none* ones.
> 
> However, I would imagine that for the Debian packages the C compiler
> has been configured to be GCC.

Yes.

Most of the packages configure to find "gcc" in the path.  The backported
jessie patches look for "gcc-4.8" in the path.


-- 
Paul Bone
http://paul.bone.id.au