diff options
Diffstat (limited to 'meta/classes/native.bbclass')
| -rw-r--r-- | meta/classes/native.bbclass | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/meta/classes/native.bbclass b/meta/classes/native.bbclass index 76a599bc15..fc7422c5d7 100644 --- a/meta/classes/native.bbclass +++ b/meta/classes/native.bbclass @@ -195,3 +195,34 @@ USE_NLS = "no" RECIPERDEPTASK = "do_populate_sysroot" do_populate_sysroot[rdeptask] = "${RECIPERDEPTASK}" + +# +# Native task outputs are directly run on the target (host) system after being +# built. Even if the output of this recipe doesn't change, a change in one of +# its dependencies may cause a change in the output it generates (e.g. rpm +# output depends on the output of its dependent zstd library). +# +# This can cause poor interactions with hash equivalence, since this recipes +# output-changing dependency is "hidden" and downstream task only see that this +# recipe has the same outhash and therefore is equivalent. This can result in +# different output in different cases. +# +# To resolve this, unhide the output-changing dependency by adding its unihash +# to this tasks outhash calculation. Unfortunately, don't know specifically +# know which dependencies are output-changing, so we have to add all of them. +# +python native_add_do_populate_sysroot_deps () { + current_task = "do_" + d.getVar("BB_CURRENTTASK") + if current_task != "do_populate_sysroot": + return + + taskdepdata = d.getVar("BB_TASKDEPDATA", False) + pn = d.getVar("PN") + deps = { + dep[0]:dep[6] for dep in taskdepdata.values() if + dep[1] == current_task and dep[0] != pn + } + + d.setVar("HASHEQUIV_EXTRA_SIGDATA", "\n".join("%s: %s" % (k, deps[k]) for k in sorted(deps.keys()))) +} +SSTATECREATEFUNCS += "native_add_do_populate_sysroot_deps" |