From 3b3ae91a22d6f685e804df4f32cdeebe1bd6bd88 Mon Sep 17 00:00:00 2001 From: Patrick Ohly Date: Fri, 9 Jun 2017 15:04:03 +0200 Subject: bitbake.conf: DISTRO_FEATURES as overrides As discussed in "[Openembedded-architecture] Yocto Compatible 2.0 + signature changes", changes in .bbappend must depend on some explicit configuration change, typically selecting a distro feature. For _append and _remove, adding an override that is set only when the corresponding entry is in DISTRO_FEATURES achieves that: In local.conf: DISTRO_FEATURES_append = " my-distro-feature" In layer.conf: DISTRO_FEATURES_OVERRIDES += "my-distro-feature" In a .bbappend: do_install_append_df-my-distro-feature () { ... } The subset of DISTRO_FEATURES that are made available as overrides must be configured explicitly because using them this way should be a conscious decision. Signed-off-by: Patrick Ohly Signed-off-by: Richard Purdie --- meta/conf/bitbake.conf | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) (limited to 'meta/conf') diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf index caae6a012b..bc438cca82 100644 --- a/meta/conf/bitbake.conf +++ b/meta/conf/bitbake.conf @@ -713,7 +713,7 @@ DISTRO_NAME ??= "OpenEmbedded" # # This works for functions as well, they are really just environment variables. # Default OVERRIDES to make compilation fail fast in case of build system misconfiguration. -OVERRIDES = "${TARGET_OS}:${TRANSLATED_TARGET_ARCH}:build-${BUILD_OS}:pn-${PN}:${MACHINEOVERRIDES}:${DISTROOVERRIDES}:${CLASSOVERRIDE}:forcevariable" +OVERRIDES = "${TARGET_OS}:${TRANSLATED_TARGET_ARCH}:build-${BUILD_OS}:pn-${PN}:${MACHINEOVERRIDES}:${DISTROOVERRIDES}${DISTROFEATURESOVERRIDES}:${CLASSOVERRIDE}:forcevariable" OVERRIDES[vardepsexclude] = "MACHINEOVERRIDES" CLASSOVERRIDE ?= "class-target" DISTROOVERRIDES ?= "${@d.getVar('DISTRO') or ''}" @@ -722,6 +722,21 @@ MACHINEOVERRIDES[vardepsexclude] = "MACHINE" FILESOVERRIDES = "${TRANSLATED_TARGET_ARCH}:${MACHINEOVERRIDES}:${DISTROOVERRIDES}" +# Turns certain DISTRO_FEATURES into overrides of the same name +# or (optionally) some other name. Ensures that these special +# distro features remain set also for native and nativesdk +# recipes, so that these overrides can also be used there. +# +# Beware that this part of OVERRIDES changes during parsing, so usage +# of these overrides should be limited to .bb and .bbappend files, +# because then DISTRO_FEATURES is final. +DISTRO_FEATURES_OVERRIDES ??= "" +DISTRO_FEATURES_OVERRIDES[doc] = "A space-separated list of entries. \ +Each entry is added to OVERRIDES as df- if is in DISTRO_FEATURES." +DISTRO_FEATURES_FILTER_NATIVE_append = " ${DISTRO_FEATURES_OVERRIDES}" +DISTRO_FEATURES_FILTER_NATIVESDK_append = " ${DISTRO_FEATURES_OVERRIDES}" +DISTROFEATURESOVERRIDES = "${@ ''.join([':df-' + x for x in (set(d.getVar('DISTRO_FEATURES_OVERRIDES').split()) & set((d.getVar('DISTRO_FEATURES') or '').split()))]) }" + ################################################################## # Include the rest of the config files. ################################################################## -- cgit 1.2.3-korg