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native/nativesdk: Use fixed DISTRO_FEATURES

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There seems to be little advantage to letting distro features affect
native builds. There is a significant disadvantage: a change to
DISTRO_FEATURES will trigger a lot of unnecessary native tasks. In a
test like this:
  $ bitbake core-image-minimal
  # append " systemd" to DISTRO_FEATURES
  $ bitbake core-image-minimal
The latter build takes 44 minutes (28%) of cpu-time less with this
patch (skipping 135 native tasks). Sadly wall clock time was not
affected as glibc remains the bottleneck.

Set native distro features to DISTRO_FEATURES_NATIVE appended with
an intersection of DISTRO_FEATURES and DISTRO_FEATURES_FILTER_NATIVE.
Current default values (baitbake.conf) are
* DISTRO_FEATURES_FILTER_NATIVE ?= "api-documentation" (as gtk-doc-native
has much less dependencies when built without it)
* DISTRO_FEATURES_NATIVE ?= "x11" (to enable native UIs even if target
does not containe them)

Do the variable setting in native_virtclass_handler() because otherwise
it could still be overridden by appends and the feature backfilling.
Shuffle the early returns so DISTRO_FEATURES gets set as long as
the packagename ends with "-native".

Add similar variables for nativesdk.

To make nativesdk work we need to enable the locale options so
nativesdk-glibc-locales can build and to avoid the init manager check
in the nativesdk case so add those fixes.

(From OE-Core rev: 731744d5538e315702be828e6f2bd556309dee07)

Signed-off-by: Jussi Kukkonen <jussi.kukkonen@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Jussi Kukkonen
2017-04-11 17:35:40 +03:00
committed by Richard Purdie
parent f2e41a197f
commit db1f1adace
4 changed files with 28 additions and 4 deletions
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meta/classes/nativesdk.bbclass
+6
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@@ -70,6 +70,12 @@ python nativesdk_virtclass_handler () {
if not (pn.endswith("-nativesdk") or pn.startswith("nativesdk-")):
return
# Set features here to prevent appends and distro features backfill
# from modifying nativesdk distro features
features = set(d.getVar("DISTRO_FEATURES_NATIVESDK").split())
filtered = set(bb.utils.filter("DISTRO_FEATURES", d.getVar("DISTRO_FEATURES_FILTER_NATIVESDK"), d).split())
d.setVar("DISTRO_FEATURES", " ".join(features | filtered))
e.data.setVar("MLPREFIX", "nativesdk-")
e.data.setVar("PN", "nativesdk-" + e.data.getVar("PN").replace("-nativesdk", "").replace("nativesdk-", ""))
e.data.setVar("OVERRIDES", e.data.getVar("OVERRIDES", False) + ":virtclass-nativesdk")