On Thu, 2018-04-12 at 17:00 +0100, Ben Hutchings wrote:
> On Tue, 2018-04-03 at 05:52 -0400, Roberto C. Sánchez wrote:
> > On Mon, Apr 02, 2018 at 01:45:40AM +0100, Ben Hutchings wrote:
> > >
> > > I would suggest looking at how non-default compiler versions are built
> > > in other suites.
> > >
> > > Ben.
> > >
> >
> > Hi Ben,
> >
> > Could you provide some more specific pointers at what I should look at?
> > I tried looking at gcc-4.8 in jessie, but I was not able to figure out
> > what is different about it that makes it only build a subset of the
> > packages built by gcc-4.9.
>
> I didn't know how it worked, only that it does work. Anyway, I've
> looked now and I think you need to apply the following patch:
>
> --- gcc-4.9-4.9.2/debian/rules.conf
> +++ gcc-4.9-4.9.2/debian/rules.conf
> @@ -392,7 +392,7 @@
> # ensure that the common libs, built from the next GCC version are available
> ifeq ($(PKGSOURCE),gcc-$(BASE_VERSION))
> ifneq ($(with_common_libs),yes)
> - BASE_BUILD_DEP = gcc-4.10-base,
> + BASE_BUILD_DEP = gcc-4.7-base,
> endif
> endif
>
> --- gcc-4.9-4.9.2/debian/rules.defs
> +++ gcc-4.9-4.9.2/debian/rules.defs
> @@ -373,9 +373,9 @@
> # common things ---------------
> # build common packages, where package names don't differ in different
> # gcc versions (fixincludes, libgcj-common) ...
> -with_common_pkgs := yes
> +with_common_pkgs := no
> # ... and some libraries, which do not change (libgcc1, libssp0).
> -with_common_libs := yes
> +with_common_libs := no
> # XXX: should with_common_libs be "yes" only if this is the default compiler
> # version on the targeted arch?
>
> --- END ---
Also, the libcloog-isl-dev build dependency needs to be changed in
debian/rules.conf - not directly in debian/control. The other
versioned build dependencies are updated automatically by:
> and then run 'debian/rules control' to update debian/control etc.
Ben.
--
Ben Hutchings
The generation of random numbers is too important to be left to chance.
- Robert Coveyou
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