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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