diff options
Diffstat (limited to 'morphlib/buildcommand.py')
| -rw-r--r-- | morphlib/buildcommand.py | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/morphlib/buildcommand.py b/morphlib/buildcommand.py index a658fc55..527163f6 100644 --- a/morphlib/buildcommand.py +++ b/morphlib/buildcommand.py @@ -126,11 +126,21 @@ class BuildCommand(object): root_arch = root_artifact.source.morphology['arch'] host_arch = morphlib.util.get_host_architecture() - if root_arch != host_arch: - raise morphlib.Error( - 'Are you trying to cross-build? ' - 'Host architecture is %s but target is %s' - % (host_arch, root_arch)) + + if root_arch == host_arch: + return + + # Since the armv8 instruction set is nearly entirely armv7 compatible, + # and since the incompatibilities are appropriately trapped in the + # kernel, we can safely run any armv7 toolchain natively on armv8. + if host_arch == 'armv8l' and root_arch in ('armv7l', 'armv7lhf'): + return + if host_arch == 'armv8b' and root_arch in ('armv7b', 'armv7bhf'): + return + + raise morphlib.Error( + 'Are you trying to cross-build? Host architecture is %s but ' + 'target is %s' % (host_arch, root_arch)) @staticmethod def _validate_has_non_bootstrap_chunks(srcpool): |